Merge tag 'topic/lockless-gem-bo-freeing-2016-06-01' of git://anongit.freedesktop.org/drm-intel into drm-next
lockless gem bo freeing patches (and the oddball related patch) for all
the drivers who's maintainers are asleep at the helm - includes you ;-)
I based this on top of drm-fixes to include Chris' fix for the cma issue.
* tag 'topic/lockless-gem-bo-freeing-2016-06-01' of git://anongit.freedesktop.org/drm-intel: (21 commits)
drm/arcpgu: Use lockless gem BO free callback
drm/sun4i: Use lockless gem BO free callback
drm/omapdrm: Nuke dummy fb->dirty callback
drm/msm: Nuke dummy fb->dirty callback
drm/rockchip: Use cma gem vm ops
drm/sti: Use lockless gem BO free callback
drm: sti: remove useless call to dev->struct_mutex
drm/virtio: Use lockless gem BO free callback
drm/tilcdc: Use lockless gem BO free callback
drm/shmob: Use lockless gem BO free callback
drm/rockchip: Use lockless gem BO free callback
drm/rcar-du: Use lockless gem BO free callback
drm/qxl: Use lockless gem BO free callback
drm/nouveau: Use lockless gem BO free callback
drm/mga200g: Use lockless gem BO free callback
drm/fls-dcu: Use lockless gem BO free callback
drm/cirrus: Use lockless gem BO free callback
drm/bochs: Use lockless gem BO free callback
drm/atmel: Use lockless gem BO free callback
drm/ast: Use lockless gem BO free callback
...
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index de79efd..8c68768 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -128,16 +128,44 @@
!Edrivers/base/platform.c
!Edrivers/base/bus.c
</sect1>
- <sect1><title>Device Drivers DMA Management</title>
+ <sect1>
+ <title>Buffer Sharing and Synchronization</title>
+ <para>
+ The dma-buf subsystem provides the framework for sharing buffers
+ for hardware (DMA) access across multiple device drivers and
+ subsystems, and for synchronizing asynchronous hardware access.
+ </para>
+ <para>
+ This is used, for example, by drm "prime" multi-GPU support, but
+ is of course not limited to GPU use cases.
+ </para>
+ <para>
+ The three main components of this are: (1) dma-buf, representing
+ a sg_table and exposed to userspace as a file descriptor to allow
+ passing between devices, (2) fence, which provides a mechanism
+ to signal when one device as finished access, and (3) reservation,
+ which manages the shared or exclusive fence(s) associated with
+ the buffer.
+ </para>
+ <sect2><title>dma-buf</title>
!Edrivers/dma-buf/dma-buf.c
-!Edrivers/dma-buf/fence.c
-!Edrivers/dma-buf/seqno-fence.c
-!Iinclude/linux/fence.h
-!Iinclude/linux/seqno-fence.h
+!Iinclude/linux/dma-buf.h
+ </sect2>
+ <sect2><title>reservation</title>
+!Pdrivers/dma-buf/reservation.c Reservation Object Overview
!Edrivers/dma-buf/reservation.c
!Iinclude/linux/reservation.h
+ </sect2>
+ <sect2><title>fence</title>
+!Edrivers/dma-buf/fence.c
+!Iinclude/linux/fence.h
+!Edrivers/dma-buf/seqno-fence.c
+!Iinclude/linux/seqno-fence.h
!Edrivers/dma-buf/sync_file.c
!Iinclude/linux/sync_file.h
+ </sect2>
+ </sect1>
+ <sect1><title>Device Drivers DMA Management</title>
!Edrivers/base/dma-coherent.c
!Edrivers/base/dma-mapping.c
</sect1>
diff --git a/Documentation/DocBook/gpu.tmpl b/Documentation/DocBook/gpu.tmpl
index 7586bf75..b3a04b5 100644
--- a/Documentation/DocBook/gpu.tmpl
+++ b/Documentation/DocBook/gpu.tmpl
@@ -1092,22 +1092,6 @@
operation.
</para>
</sect2>
- <sect2>
- <title>Locking</title>
- <para>
- Beside some lookup structures with their own locking (which is hidden
- behind the interface functions) most of the modeset state is protected
- by the <code>dev-<mode_config.lock</code> mutex and additionally
- per-crtc locks to allow cursor updates, pageflips and similar operations
- to occur concurrently with background tasks like output detection.
- Operations which cross domains like a full modeset always grab all
- locks. Drivers there need to protect resources shared between crtcs with
- additional locking. They also need to be careful to always grab the
- relevant crtc locks if a modset functions touches crtc state, e.g. for
- load detection (which does only grab the <code>mode_config.lock</code>
- to allow concurrent screen updates on live crtcs).
- </para>
- </sect2>
</sect1>
<!-- Internals: kms initialization and cleanup -->
@@ -2845,14 +2829,7 @@
<para>
Drivers must initialize the vertical blanking handling core with a call to
<function>drm_vblank_init</function> in their
- <methodname>load</methodname> operation. The function will set the struct
- <structname>drm_device</structname>
- <structfield>vblank_disable_allowed</structfield> field to 0. This will
- keep vertical blanking interrupts enabled permanently until the first mode
- set operation, where <structfield>vblank_disable_allowed</structfield> is
- set to 1. The reason behind this is not clear. Drivers can set the field
- to 1 after <function>calling drm_vblank_init</function> to make vertical
- blanking interrupts dynamically managed from the beginning.
+ <methodname>load</methodname> operation.
</para>
<para>
Vertical blanking interrupts can be enabled by the DRM core or by drivers
diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt
index c6938e5..4da60b4 100644
--- a/Documentation/arm64/silicon-errata.txt
+++ b/Documentation/arm64/silicon-errata.txt
@@ -56,6 +56,7 @@
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
+| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
diff --git a/Documentation/devicetree/bindings/display/imx/ldb.txt b/Documentation/devicetree/bindings/display/imx/ldb.txt
index 0a175d9..a407462 100644
--- a/Documentation/devicetree/bindings/display/imx/ldb.txt
+++ b/Documentation/devicetree/bindings/display/imx/ldb.txt
@@ -62,6 +62,7 @@
display-timings are used instead.
Optional properties (required if display-timings are used):
+ - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
- display-timings : A node that describes the display timings as defined in
Documentation/devicetree/bindings/display/display-timing.txt.
- fsl,data-mapping : should be "spwg" or "jeida"
diff --git a/Documentation/filesystems/devpts.txt b/Documentation/filesystems/devpts.txt
index 30d2fcb..9f94fe27 100644
--- a/Documentation/filesystems/devpts.txt
+++ b/Documentation/filesystems/devpts.txt
@@ -1,141 +1,26 @@
+Each mount of the devpts filesystem is now distinct such that ptys
+and their indicies allocated in one mount are independent from ptys
+and their indicies in all other mounts.
-To support containers, we now allow multiple instances of devpts filesystem,
-such that indices of ptys allocated in one instance are independent of indices
-allocated in other instances of devpts.
+All mounts of the devpts filesystem now create a /dev/pts/ptmx node
+with permissions 0000.
-To preserve backward compatibility, this support for multiple instances is
-enabled only if:
+To retain backwards compatibility the a ptmx device node (aka any node
+created with "mknod name c 5 2") when opened will look for an instance
+of devpts under the name "pts" in the same directory as the ptmx device
+node.
- - CONFIG_DEVPTS_MULTIPLE_INSTANCES=y, and
- - '-o newinstance' mount option is specified while mounting devpts
-
-IOW, devpts now supports both single-instance and multi-instance semantics.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=n, there is no change in behavior and
-this referred to as the "legacy" mode. In this mode, the new mount options
-(-o newinstance and -o ptmxmode) will be ignored with a 'bogus option' message
-on console.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=y and devpts is mounted without the
-'newinstance' option (as in current start-up scripts) the new mount binds
-to the initial kernel mount of devpts. This mode is referred to as the
-'single-instance' mode and the current, single-instance semantics are
-preserved, i.e PTYs are common across the system.
-
-The only difference between this single-instance mode and the legacy mode
-is the presence of new, '/dev/pts/ptmx' node with permissions 0000, which
-can safely be ignored.
-
-If CONFIG_DEVPTS_MULTIPLE_INSTANCES=y and 'newinstance' option is specified,
-the mount is considered to be in the multi-instance mode and a new instance
-of the devpts fs is created. Any ptys created in this instance are independent
-of ptys in other instances of devpts. Like in the single-instance mode, the
-/dev/pts/ptmx node is present. To effectively use the multi-instance mode,
-open of /dev/ptmx must be a redirected to '/dev/pts/ptmx' using a symlink or
-bind-mount.
-
-Eg: A container startup script could do the following:
-
- $ chmod 0666 /dev/pts/ptmx
- $ rm /dev/ptmx
- $ ln -s pts/ptmx /dev/ptmx
- $ ns_exec -cm /bin/bash
-
- # We are now in new container
-
- $ umount /dev/pts
- $ mount -t devpts -o newinstance lxcpts /dev/pts
- $ sshd -p 1234
-
-where 'ns_exec -cm /bin/bash' calls clone() with CLONE_NEWNS flag and execs
-/bin/bash in the child process. A pty created by the sshd is not visible in
-the original mount of /dev/pts.
+As an option instead of placing a /dev/ptmx device node at /dev/ptmx
+it is possible to place a symlink to /dev/pts/ptmx at /dev/ptmx or
+to bind mount /dev/ptx/ptmx to /dev/ptmx. If you opt for using
+the devpts filesystem in this manner devpts should be mounted with
+the ptmxmode=0666, or chmod 0666 /dev/pts/ptmx should be called.
Total count of pty pairs in all instances is limited by sysctls:
kernel.pty.max = 4096 - global limit
-kernel.pty.reserve = 1024 - reserve for initial instance
+kernel.pty.reserve = 1024 - reserved for filesystems mounted from the initial mount namespace
kernel.pty.nr - current count of ptys
Per-instance limit could be set by adding mount option "max=<count>".
This feature was added in kernel 3.4 together with sysctl kernel.pty.reserve.
In kernels older than 3.4 sysctl kernel.pty.max works as per-instance limit.
-
-User-space changes
-------------------
-
-In multi-instance mode (i.e '-o newinstance' mount option is specified at least
-once), following user-space issues should be noted.
-
-1. If -o newinstance mount option is never used, /dev/pts/ptmx can be ignored
- and no change is needed to system-startup scripts.
-
-2. To effectively use multi-instance mode (i.e -o newinstance is specified)
- administrators or startup scripts should "redirect" open of /dev/ptmx to
- /dev/pts/ptmx using either a bind mount or symlink.
-
- $ mount -t devpts -o newinstance devpts /dev/pts
-
- followed by either
-
- $ rm /dev/ptmx
- $ ln -s pts/ptmx /dev/ptmx
- $ chmod 666 /dev/pts/ptmx
- or
- $ mount -o bind /dev/pts/ptmx /dev/ptmx
-
-3. The '/dev/ptmx -> pts/ptmx' symlink is the preferred method since it
- enables better error-reporting and treats both single-instance and
- multi-instance mounts similarly.
-
- But this method requires that system-startup scripts set the mode of
- /dev/pts/ptmx correctly (default mode is 0000). The scripts can set the
- mode by, either
-
- - adding ptmxmode mount option to devpts entry in /etc/fstab, or
- - using 'chmod 0666 /dev/pts/ptmx'
-
-4. If multi-instance mode mount is needed for containers, but the system
- startup scripts have not yet been updated, container-startup scripts
- should bind mount /dev/ptmx to /dev/pts/ptmx to avoid breaking single-
- instance mounts.
-
- Or, in general, container-startup scripts should use:
-
- mount -t devpts -o newinstance -o ptmxmode=0666 devpts /dev/pts
- if [ ! -L /dev/ptmx ]; then
- mount -o bind /dev/pts/ptmx /dev/ptmx
- fi
-
- When all devpts mounts are multi-instance, /dev/ptmx can permanently be
- a symlink to pts/ptmx and the bind mount can be ignored.
-
-5. A multi-instance mount that is not accompanied by the /dev/ptmx to
- /dev/pts/ptmx redirection would result in an unusable/unreachable pty.
-
- mount -t devpts -o newinstance lxcpts /dev/pts
-
- immediately followed by:
-
- open("/dev/ptmx")
-
- would create a pty, say /dev/pts/7, in the initial kernel mount.
- But /dev/pts/7 would be invisible in the new mount.
-
-6. The permissions for /dev/pts/ptmx node should be specified when mounting
- /dev/pts, using the '-o ptmxmode=%o' mount option (default is 0000).
-
- mount -t devpts -o newinstance -o ptmxmode=0644 devpts /dev/pts
-
- The permissions can be later be changed as usual with 'chmod'.
-
- chmod 666 /dev/pts/ptmx
-
-7. A mount of devpts without the 'newinstance' option results in binding to
- initial kernel mount. This behavior while preserving legacy semantics,
- does not provide strict isolation in a container environment. i.e by
- mounting devpts without the 'newinstance' option, a container could
- get visibility into the 'host' or root container's devpts.
-
- To workaround this and have strict isolation, all mounts of devpts,
- including the mount in the root container, should use the newinstance
- option.
diff --git a/Documentation/kdump/gdbmacros.txt b/Documentation/kdump/gdbmacros.txt
index 35f6a98..220d0a8 100644
--- a/Documentation/kdump/gdbmacros.txt
+++ b/Documentation/kdump/gdbmacros.txt
@@ -170,21 +170,92 @@
address the kernel panicked.
end
+define dump_log_idx
+ set $idx = $arg0
+ if ($argc > 1)
+ set $prev_flags = $arg1
+ else
+ set $prev_flags = 0
+ end
+ set $msg = ((struct printk_log *) (log_buf + $idx))
+ set $prefix = 1
+ set $newline = 1
+ set $log = log_buf + $idx + sizeof(*$msg)
+
+ # prev & LOG_CONT && !(msg->flags & LOG_PREIX)
+ if (($prev_flags & 8) && !($msg->flags & 4))
+ set $prefix = 0
+ end
+
+ # msg->flags & LOG_CONT
+ if ($msg->flags & 8)
+ # (prev & LOG_CONT && !(prev & LOG_NEWLINE))
+ if (($prev_flags & 8) && !($prev_flags & 2))
+ set $prefix = 0
+ end
+ # (!(msg->flags & LOG_NEWLINE))
+ if (!($msg->flags & 2))
+ set $newline = 0
+ end
+ end
+
+ if ($prefix)
+ printf "[%5lu.%06lu] ", $msg->ts_nsec / 1000000000, $msg->ts_nsec % 1000000000
+ end
+ if ($msg->text_len != 0)
+ eval "printf \"%%%d.%ds\", $log", $msg->text_len, $msg->text_len
+ end
+ if ($newline)
+ printf "\n"
+ end
+ if ($msg->dict_len > 0)
+ set $dict = $log + $msg->text_len
+ set $idx = 0
+ set $line = 1
+ while ($idx < $msg->dict_len)
+ if ($line)
+ printf " "
+ set $line = 0
+ end
+ set $c = $dict[$idx]
+ if ($c == '\0')
+ printf "\n"
+ set $line = 1
+ else
+ if ($c < ' ' || $c >= 127 || $c == '\\')
+ printf "\\x%02x", $c
+ else
+ printf "%c", $c
+ end
+ end
+ set $idx = $idx + 1
+ end
+ printf "\n"
+ end
+end
+document dump_log_idx
+ Dump a single log given its index in the log buffer. The first
+ parameter is the index into log_buf, the second is optional and
+ specified the previous log buffer's flags, used for properly
+ formatting continued lines.
+end
define dmesg
- set $i = 0
- set $end_idx = (log_end - 1) & (log_buf_len - 1)
+ set $i = log_first_idx
+ set $end_idx = log_first_idx
+ set $prev_flags = 0
- while ($i < logged_chars)
- set $idx = (log_end - 1 - logged_chars + $i) & (log_buf_len - 1)
-
- if ($idx + 100 <= $end_idx) || \
- ($end_idx <= $idx && $idx + 100 < log_buf_len)
- printf "%.100s", &log_buf[$idx]
- set $i = $i + 100
+ while (1)
+ set $msg = ((struct printk_log *) (log_buf + $i))
+ if ($msg->len == 0)
+ set $i = 0
else
- printf "%c", log_buf[$idx]
- set $i = $i + 1
+ dump_log_idx $i $prev_flags
+ set $i = $i + $msg->len
+ set $prev_flags = $msg->flags
+ end
+ if ($i == $end_idx)
+ loop_break
end
end
end
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index 631b0f7..9d05ed7 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -369,8 +369,6 @@
Switch configuration
--------------------
-- priv_size: additional size needed by the switch driver for its private context
-
- tag_protocol: this is to indicate what kind of tagging protocol is supported,
should be a valid value from the dsa_tag_protocol enum
@@ -416,11 +414,6 @@
to the switch port MDIO registers. If unavailable return a negative error
code.
-- poll_link: Function invoked by DSA to query the link state of the switch
- builtin Ethernet PHYs, per port. This function is responsible for calling
- netif_carrier_{on,off} when appropriate, and can be used to poll all ports in a
- single call. Executes from workqueue context.
-
- adjust_link: Function invoked by the PHY library when a slave network device
is attached to a PHY device. This function is responsible for appropriately
configuring the switch port link parameters: speed, duplex, pause based on
@@ -542,6 +535,16 @@
Bridge VLAN filtering
---------------------
+- port_vlan_filtering: bridge layer function invoked when the bridge gets
+ configured for turning on or off VLAN filtering. If nothing specific needs to
+ be done at the hardware level, this callback does not need to be implemented.
+ When VLAN filtering is turned on, the hardware must be programmed with
+ rejecting 802.1Q frames which have VLAN IDs outside of the programmed allowed
+ VLAN ID map/rules. If there is no PVID programmed into the switch port,
+ untagged frames must be rejected as well. When turned off the switch must
+ accept any 802.1Q frames irrespective of their VLAN ID, and untagged frames are
+ allowed.
+
- port_vlan_prepare: bridge layer function invoked when the bridge prepares the
configuration of a VLAN on the given port. If the operation is not supported
by the hardware, this function should return -EOPNOTSUPP to inform the bridge
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 6c7f365b..9ae9293 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1036,15 +1036,17 @@
shared_media - BOOLEAN
Send(router) or accept(host) RFC1620 shared media redirects.
- Overrides ip_secure_redirects.
+ Overrides secure_redirects.
shared_media for the interface will be enabled if at least one of
conf/{all,interface}/shared_media is set to TRUE,
it will be disabled otherwise
default TRUE
secure_redirects - BOOLEAN
- Accept ICMP redirect messages only for gateways,
- listed in default gateway list.
+ Accept ICMP redirect messages only to gateways listed in the
+ interface's current gateway list. Even if disabled, RFC1122 redirect
+ rules still apply.
+ Overridden by shared_media.
secure_redirects for the interface will be enabled if at least one of
conf/{all,interface}/secure_redirects is set to TRUE,
it will be disabled otherwise
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt
index 20d0571..3849814 100644
--- a/Documentation/security/keys.txt
+++ b/Documentation/security/keys.txt
@@ -826,7 +826,8 @@
(*) Compute a Diffie-Hellman shared secret or public key
long keyctl(KEYCTL_DH_COMPUTE, struct keyctl_dh_params *params,
- char *buffer, size_t buflen);
+ char *buffer, size_t buflen,
+ void *reserved);
The params struct contains serial numbers for three keys:
@@ -843,6 +844,8 @@
public key. If the base is the remote public key, the result is
the shared secret.
+ The reserved argument must be set to NULL.
+
The buffer length must be at least the length of the prime, or zero.
If the buffer length is nonzero, the length of the result is
diff --git a/MAINTAINERS b/MAINTAINERS
index 7304d2e..81382b2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3854,6 +3854,9 @@
S: Maintained
F: drivers/gpu/drm/
F: drivers/gpu/vga/
+F: Documentation/devicetree/bindings/display/
+F: Documentation/devicetree/bindings/gpu/
+F: Documentation/devicetree/bindings/video/
F: Documentation/DocBook/gpu.*
F: include/drm/
F: include/uapi/drm/
@@ -7989,6 +7992,7 @@
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
S: Odd Fixes
+F: Documentation/devicetree/bindings/net/
F: drivers/net/
F: include/linux/if_*
F: include/linux/netdevice.h
@@ -8944,6 +8948,7 @@
L: linux-gpio@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
S: Maintained
+F: Documentation/devicetree/bindings/pinctrl/
F: drivers/pinctrl/
F: include/linux/pinctrl/
diff --git a/Makefile b/Makefile
index 0f70de6..8d1301a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 7
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
NAME = Psychotic Stoned Sheep
# *DOCUMENTATION*
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index ef9119f..4d93758 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -733,8 +733,8 @@
if (ret)
return ret;
- vfp_flush_hwstate(thread);
thread->vfpstate.hard = new_vfp;
+ vfp_flush_hwstate(thread);
return 0;
}
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 76747d9..5a0a691 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -113,6 +113,18 @@
config MMU
def_bool y
+config ARM64_PAGE_SHIFT
+ int
+ default 16 if ARM64_64K_PAGES
+ default 14 if ARM64_16K_PAGES
+ default 12
+
+config ARM64_CONT_SHIFT
+ int
+ default 5 if ARM64_64K_PAGES
+ default 7 if ARM64_16K_PAGES
+ default 4
+
config ARCH_MMAP_RND_BITS_MIN
default 14 if ARM64_64K_PAGES
default 16 if ARM64_16K_PAGES
@@ -426,6 +438,15 @@
If unsure, say Y.
+config CAVIUM_ERRATUM_23144
+ bool "Cavium erratum 23144: ITS SYNC hang on dual socket system"
+ depends on NUMA
+ default y
+ help
+ ITS SYNC command hang for cross node io and collections/cpu mapping.
+
+ If unsure, say Y.
+
config CAVIUM_ERRATUM_23154
bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
default y
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index 710fde4..0cc758c 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -12,7 +12,8 @@
who are working in architecture specific areas of the kernel.
It is probably not a good idea to enable this feature in a production
kernel.
- If in doubt, say "N"
+
+ If in doubt, say N.
config PID_IN_CONTEXTIDR
bool "Write the current PID to the CONTEXTIDR register"
@@ -38,15 +39,15 @@
value.
config DEBUG_SET_MODULE_RONX
- bool "Set loadable kernel module data as NX and text as RO"
- depends on MODULES
- help
- This option helps catch unintended modifications to loadable
- kernel module's text and read-only data. It also prevents execution
- of module data. Such protection may interfere with run-time code
- patching and dynamic kernel tracing - and they might also protect
- against certain classes of kernel exploits.
- If in doubt, say "N".
+ bool "Set loadable kernel module data as NX and text as RO"
+ depends on MODULES
+ default y
+ help
+ Is this is set, kernel module text and rodata will be made read-only.
+ This is to help catch accidental or malicious attempts to change the
+ kernel's executable code.
+
+ If in doubt, say Y.
config DEBUG_RODATA
bool "Make kernel text and rodata read-only"
@@ -56,7 +57,7 @@
is to help catch accidental or malicious attempts to change the
kernel's executable code.
- If in doubt, say Y
+ If in doubt, say Y.
config DEBUG_ALIGN_RODATA
depends on DEBUG_RODATA
@@ -69,7 +70,7 @@
alignment and potentially wasted space. Turn on this option if
performance is more important than memory pressure.
- If in doubt, say N
+ If in doubt, say N.
source "drivers/hwtracing/coresight/Kconfig"
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 354d754..7085e32 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -60,7 +60,9 @@
# The byte offset of the kernel image in RAM from the start of RAM.
ifeq ($(CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET), y)
-TEXT_OFFSET := $(shell awk 'BEGIN {srand(); printf "0x%03x000\n", int(512 * rand())}')
+TEXT_OFFSET := $(shell awk "BEGIN {srand(); printf \"0x%06x\n\", \
+ int(2 * 1024 * 1024 / (2 ^ $(CONFIG_ARM64_PAGE_SHIFT)) * \
+ rand()) * (2 ^ $(CONFIG_ARM64_PAGE_SHIFT))}")
else
TEXT_OFFSET := 0x00080000
endif
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index 7a09c48..579b6e6 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -160,14 +160,14 @@
#define STACK_RND_MASK (0x3ffff >> (PAGE_SHIFT - 12))
#endif
-#ifdef CONFIG_COMPAT
-
#ifdef __AARCH64EB__
#define COMPAT_ELF_PLATFORM ("v8b")
#else
#define COMPAT_ELF_PLATFORM ("v8l")
#endif
+#ifdef CONFIG_COMPAT
+
#define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3)
/* AArch32 registers. */
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 72a3025..31b7322 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -55,8 +55,9 @@
#define VMEMMAP_SIZE (UL(1) << (VA_BITS - PAGE_SHIFT - 1 + STRUCT_PAGE_MAX_SHIFT))
/*
- * PAGE_OFFSET - the virtual address of the start of the kernel image (top
+ * PAGE_OFFSET - the virtual address of the start of the linear map (top
* (VA_BITS - 1))
+ * KIMAGE_VADDR - the virtual address of the start of the kernel image
* VA_BITS - the maximum number of bits for virtual addresses.
* VA_START - the first kernel virtual address.
* TASK_SIZE - the maximum size of a user space task.
diff --git a/arch/arm64/include/asm/page.h b/arch/arm64/include/asm/page.h
index 17b45f7..8472c6d 100644
--- a/arch/arm64/include/asm/page.h
+++ b/arch/arm64/include/asm/page.h
@@ -23,16 +23,8 @@
/* PAGE_SHIFT determines the page size */
/* CONT_SHIFT determines the number of pages which can be tracked together */
-#ifdef CONFIG_ARM64_64K_PAGES
-#define PAGE_SHIFT 16
-#define CONT_SHIFT 5
-#elif defined(CONFIG_ARM64_16K_PAGES)
-#define PAGE_SHIFT 14
-#define CONT_SHIFT 7
-#else
-#define PAGE_SHIFT 12
-#define CONT_SHIFT 4
-#endif
+#define PAGE_SHIFT CONFIG_ARM64_PAGE_SHIFT
+#define CONT_SHIFT CONFIG_ARM64_CONT_SHIFT
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 0685d74..9e397a5 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -81,19 +81,6 @@
#define segment_eq(a, b) ((a) == (b))
/*
- * Return 1 if addr < current->addr_limit, 0 otherwise.
- */
-#define __addr_ok(addr) \
-({ \
- unsigned long flag; \
- asm("cmp %1, %0; cset %0, lo" \
- : "=&r" (flag) \
- : "r" (addr), "0" (current_thread_info()->addr_limit) \
- : "cc"); \
- flag; \
-})
-
-/*
* Test whether a block of memory is a valid user space address.
* Returns 1 if the range is valid, 0 otherwise.
*
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index 41e58fe..e78ac26 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -44,7 +44,7 @@
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
-#define __NR_compat_syscalls 390
+#define __NR_compat_syscalls 394
#endif
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index 5b925b7..b7e8ef1 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -801,6 +801,14 @@
__SYSCALL(__NR_userfaultfd, sys_userfaultfd)
#define __NR_membarrier 389
__SYSCALL(__NR_membarrier, sys_membarrier)
+#define __NR_mlock2 390
+__SYSCALL(__NR_mlock2, sys_mlock2)
+#define __NR_copy_file_range 391
+__SYSCALL(__NR_copy_file_range, sys_copy_file_range)
+#define __NR_preadv2 392
+__SYSCALL(__NR_preadv2, compat_sys_preadv2)
+#define __NR_pwritev2 393
+__SYSCALL(__NR_pwritev2, compat_sys_pwritev2)
/*
* Please add new compat syscalls above this comment and update
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 3808470..c173d32 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -22,6 +22,8 @@
#include <linux/bitops.h>
#include <linux/bug.h>
+#include <linux/compat.h>
+#include <linux/elf.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/personality.h>
@@ -104,6 +106,7 @@
static int c_show(struct seq_file *m, void *v)
{
int i, j;
+ bool compat = personality(current->personality) == PER_LINUX32;
for_each_online_cpu(i) {
struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
@@ -115,6 +118,9 @@
* "processor". Give glibc what it expects.
*/
seq_printf(m, "processor\t: %d\n", i);
+ if (compat)
+ seq_printf(m, "model name\t: ARMv8 Processor rev %d (%s)\n",
+ MIDR_REVISION(midr), COMPAT_ELF_PLATFORM);
seq_printf(m, "BogoMIPS\t: %lu.%02lu\n",
loops_per_jiffy / (500000UL/HZ),
@@ -127,7 +133,7 @@
* software which does already (at least for 32-bit).
*/
seq_puts(m, "Features\t:");
- if (personality(current->personality) == PER_LINUX32) {
+ if (compat) {
#ifdef CONFIG_COMPAT
for (j = 0; compat_hwcap_str[j]; j++)
if (compat_elf_hwcap & (1 << j))
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index c539208..f7cf463 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -477,8 +477,9 @@
void __user *pc = (void __user *)instruction_pointer(regs);
console_verbose();
- pr_crit("Bad mode in %s handler detected, code 0x%08x -- %s\n",
- handler[reason], esr, esr_get_class_string(esr));
+ pr_crit("Bad mode in %s handler detected on CPU%d, code 0x%08x -- %s\n",
+ handler[reason], smp_processor_id(), esr,
+ esr_get_class_string(esr));
__show_regs(regs);
info.si_signo = SIGILL;
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index fff7cd4..5f8f80b 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -169,7 +169,8 @@
* Make sure stores to the GIC via the memory mapped interface
* are now visible to the system register interface.
*/
- dsb(st);
+ if (!cpu_if->vgic_sre)
+ dsb(st);
cpu_if->vgic_vmcr = read_gicreg(ICH_VMCR_EL2);
@@ -190,12 +191,11 @@
if (!(vcpu->arch.vgic_cpu.live_lrs & (1UL << i)))
continue;
- if (cpu_if->vgic_elrsr & (1 << i)) {
+ if (cpu_if->vgic_elrsr & (1 << i))
cpu_if->vgic_lr[i] &= ~ICH_LR_STATE;
- continue;
- }
+ else
+ cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
- cpu_if->vgic_lr[i] = __gic_v3_get_lr(i);
__gic_v3_set_lr(0, i);
}
@@ -236,8 +236,12 @@
val = read_gicreg(ICC_SRE_EL2);
write_gicreg(val | ICC_SRE_EL2_ENABLE, ICC_SRE_EL2);
- isb(); /* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
- write_gicreg(1, ICC_SRE_EL1);
+
+ if (!cpu_if->vgic_sre) {
+ /* Make sure ENABLE is set at EL2 before setting SRE at EL1 */
+ isb();
+ write_gicreg(1, ICC_SRE_EL1);
+ }
}
void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
@@ -256,8 +260,10 @@
* been actually programmed with the value we want before
* starting to mess with the rest of the GIC.
*/
- write_gicreg(cpu_if->vgic_sre, ICC_SRE_EL1);
- isb();
+ if (!cpu_if->vgic_sre) {
+ write_gicreg(0, ICC_SRE_EL1);
+ isb();
+ }
val = read_gicreg(ICH_VTR_EL2);
max_lr_idx = vtr_to_max_lr_idx(val);
@@ -306,18 +312,18 @@
* (re)distributors. This ensure the guest will read the
* correct values from the memory-mapped interface.
*/
- isb();
- dsb(sy);
+ if (!cpu_if->vgic_sre) {
+ isb();
+ dsb(sy);
+ }
vcpu->arch.vgic_cpu.live_lrs = live_lrs;
/*
* Prevent the guest from touching the GIC system registers if
* SRE isn't enabled for GICv3 emulation.
*/
- if (!cpu_if->vgic_sre) {
- write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
- ICC_SRE_EL2);
- }
+ write_gicreg(read_gicreg(ICC_SRE_EL2) & ~ICC_SRE_EL2_ENABLE,
+ ICC_SRE_EL2);
}
void __hyp_text __vgic_v3_init_lrs(void)
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 7bbe3ff..a57d650 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -134,6 +134,17 @@
return true;
}
+static bool access_gic_sre(struct kvm_vcpu *vcpu,
+ struct sys_reg_params *p,
+ const struct sys_reg_desc *r)
+{
+ if (p->is_write)
+ return ignore_write(vcpu, p);
+
+ p->regval = vcpu->arch.vgic_cpu.vgic_v3.vgic_sre;
+ return true;
+}
+
static bool trap_raz_wi(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *r)
@@ -958,7 +969,7 @@
access_gic_sgi },
/* ICC_SRE_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b1100), CRm(0b1100), Op2(0b101),
- trap_raz_wi },
+ access_gic_sre },
/* CONTEXTIDR_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b1101), CRm(0b0000), Op2(0b001),
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index 8404190..ccfde23 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -150,6 +150,7 @@
struct pg_level {
const struct prot_bits *bits;
+ const char *name;
size_t num;
u64 mask;
};
@@ -157,15 +158,19 @@
static struct pg_level pg_level[] = {
{
}, { /* pgd */
+ .name = "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pud */
+ .name = (CONFIG_PGTABLE_LEVELS > 3) ? "PUD" : "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pmd */
+ .name = (CONFIG_PGTABLE_LEVELS > 2) ? "PMD" : "PGD",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
}, { /* pte */
+ .name = "PTE",
.bits = pte_bits,
.num = ARRAY_SIZE(pte_bits),
},
@@ -214,7 +219,8 @@
delta >>= 10;
unit++;
}
- seq_printf(st->seq, "%9lu%c", delta, *unit);
+ seq_printf(st->seq, "%9lu%c %s", delta, *unit,
+ pg_level[st->level].name);
if (pg_level[st->level].bits)
dump_prot(st, pg_level[st->level].bits,
pg_level[st->level].num);
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index aa8aee7..2e49bd2 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -306,6 +306,10 @@
hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
} else if (ps == PUD_SIZE) {
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
+ } else if (ps == (PAGE_SIZE * CONT_PTES)) {
+ hugetlb_add_hstate(CONT_PTE_SHIFT);
+ } else if (ps == (PMD_SIZE * CONT_PMDS)) {
+ hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT);
} else {
hugetlb_bad_size();
pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10);
@@ -314,3 +318,13 @@
return 1;
}
__setup("hugepagesz=", setup_hugepagesz);
+
+#ifdef CONFIG_ARM64_64K_PAGES
+static __init int add_default_hugepagesz(void)
+{
+ if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL)
+ hugetlb_add_hstate(CONT_PMD_SHIFT);
+ return 0;
+}
+arch_initcall(add_default_hugepagesz);
+#endif
diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h
index 4736020..5e953ab 100644
--- a/arch/parisc/include/asm/traps.h
+++ b/arch/parisc/include/asm/traps.h
@@ -8,6 +8,8 @@
void parisc_terminate(char *msg, struct pt_regs *regs,
int code, unsigned long offset) __noreturn __cold;
+void die_if_kernel(char *str, struct pt_regs *regs, long err);
+
/* mm/fault.c */
void do_page_fault(struct pt_regs *regs, unsigned long code,
unsigned long address);
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index e81ccf1..5adc339 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -324,8 +324,9 @@
per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision;
per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model;
- printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
- cpunum, coproc_cfg.revision, coproc_cfg.model);
+ if (cpunum == 0)
+ printk(KERN_INFO "FP[%d] enabled: Rev %ld Model %ld\n",
+ cpunum, coproc_cfg.revision, coproc_cfg.model);
/*
** store status register to stack (hopefully aligned)
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index 58dd680..31ec99a 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -309,11 +309,6 @@
clocks_calc_mult_shift(&cyc2ns_mul, &cyc2ns_shift, current_cr16_khz,
NSEC_PER_MSEC, 0);
-#if defined(CONFIG_HAVE_UNSTABLE_SCHED_CLOCK) && defined(CONFIG_64BIT)
- /* At bootup only one 64bit CPU is online and cr16 is "stable" */
- set_sched_clock_stable();
-#endif
-
start_cpu_itimer(); /* get CPU 0 started */
/* register at clocksource framework */
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index d7c0acb..2b65c01 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -28,6 +28,7 @@
#include <linux/ratelimit.h>
#include <asm/uaccess.h>
#include <asm/hardirq.h>
+#include <asm/traps.h>
/* #define DEBUG_UNALIGNED 1 */
@@ -130,8 +131,6 @@
int unaligned_enabled __read_mostly = 1;
-void die_if_kernel (char *str, struct pt_regs *regs, long err);
-
static int emulate_ldh(struct pt_regs *regs, int toreg)
{
unsigned long saddr = regs->ior;
@@ -666,7 +665,7 @@
break;
}
- if (modify && R1(regs->iir))
+ if (ret == 0 && modify && R1(regs->iir))
regs->gr[R1(regs->iir)] = newbase;
@@ -677,6 +676,14 @@
if (ret)
{
+ /*
+ * The unaligned handler failed.
+ * If we were called by __get_user() or __put_user() jump
+ * to it's exception fixup handler instead of crashing.
+ */
+ if (!user_mode(regs) && fixup_exception(regs))
+ return;
+
printk(KERN_CRIT "Unaligned handler failed, ret = %d\n", ret);
die_if_kernel("Unaligned data reference", regs, 28);
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index ddd988b..e278a87 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -75,7 +75,10 @@
if (addr >= kernel_unwind_table.start &&
addr <= kernel_unwind_table.end)
e = find_unwind_entry_in_table(&kernel_unwind_table, addr);
- else
+ else {
+ unsigned long flags;
+
+ spin_lock_irqsave(&unwind_lock, flags);
list_for_each_entry(table, &unwind_tables, list) {
if (addr >= table->start &&
addr <= table->end)
@@ -86,6 +89,8 @@
break;
}
}
+ spin_unlock_irqrestore(&unwind_lock, flags);
+ }
return e;
}
@@ -303,18 +308,16 @@
insn = *(unsigned int *)npc;
- if ((insn & 0xffffc000) == 0x37de0000 ||
- (insn & 0xffe00000) == 0x6fc00000) {
+ if ((insn & 0xffffc001) == 0x37de0000 ||
+ (insn & 0xffe00001) == 0x6fc00000) {
/* ldo X(sp), sp, or stwm X,D(sp) */
- frame_size += (insn & 0x1 ? -1 << 13 : 0) |
- ((insn & 0x3fff) >> 1);
+ frame_size += (insn & 0x3fff) >> 1;
dbg("analyzing func @ %lx, insn=%08x @ "
"%lx, frame_size = %ld\n", info->ip,
insn, npc, frame_size);
- } else if ((insn & 0xffe00008) == 0x73c00008) {
+ } else if ((insn & 0xffe00009) == 0x73c00008) {
/* std,ma X,D(sp) */
- frame_size += (insn & 0x1 ? -1 << 13 : 0) |
- (((insn >> 4) & 0x3ff) << 3);
+ frame_size += ((insn >> 4) & 0x3ff) << 3;
dbg("analyzing func @ %lx, insn=%08x @ "
"%lx, frame_size = %ld\n", info->ip,
insn, npc, frame_size);
@@ -333,6 +336,9 @@
}
}
+ if (frame_size > e->Total_frame_size << 3)
+ frame_size = e->Total_frame_size << 3;
+
if (!unwind_special(info, e->region_start, frame_size)) {
info->prev_sp = info->sp - frame_size;
if (e->Millicode)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index c1e82e9..a0948f4 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -717,7 +717,7 @@
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
-#define SPRN_MMCR2 769
+#define SPRN_MMCR2 785
#define SPRN_MMCRA 0x312
#define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
#define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
@@ -754,13 +754,13 @@
#define SPRN_PMC6 792
#define SPRN_PMC7 793
#define SPRN_PMC8 794
-#define SPRN_SIAR 780
-#define SPRN_SDAR 781
#define SPRN_SIER 784
#define SIER_SIPR 0x2000000 /* Sampled MSR_PR */
#define SIER_SIHV 0x1000000 /* Sampled MSR_HV */
#define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */
#define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */
+#define SPRN_SIAR 796
+#define SPRN_SDAR 797
#define SPRN_TACR 888
#define SPRN_TCSCR 889
#define SPRN_CSIGR 890
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index da51925..ccd2037 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -656,6 +656,7 @@
W(0xffff0000), W(0x003e0000), /* POWER6 */
W(0xffff0000), W(0x003f0000), /* POWER7 */
W(0xffff0000), W(0x004b0000), /* POWER8E */
+ W(0xffff0000), W(0x004c0000), /* POWER8NVL */
W(0xffff0000), W(0x004d0000), /* POWER8 */
W(0xffffffff), W(0x0f000004), /* all 2.07-compliant */
W(0xffffffff), W(0x0f000003), /* all 2.06-compliant */
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5926896..b2740c6 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -159,6 +159,19 @@
},
};
+/*
+ * 'R' and 'C' update notes:
+ * - Under pHyp or KVM, the updatepp path will not set C, thus it *will*
+ * create writeable HPTEs without C set, because the hcall H_PROTECT
+ * that we use in that case will not update C
+ * - The above is however not a problem, because we also don't do that
+ * fancy "no flush" variant of eviction and we use H_REMOVE which will
+ * do the right thing and thus we don't have the race I described earlier
+ *
+ * - Under bare metal, we do have the race, so we need R and C set
+ * - We make sure R is always set and never lost
+ * - C is _PAGE_DIRTY, and *should* always be set for a writeable mapping
+ */
unsigned long htab_convert_pte_flags(unsigned long pteflags)
{
unsigned long rflags = 0;
@@ -186,9 +199,14 @@
rflags |= 0x1;
}
/*
- * Always add "C" bit for perf. Memory coherence is always enabled
+ * We can't allow hardware to update hpte bits. Hence always
+ * set 'R' bit and set 'C' if it is a write fault
+ * Memory coherence is always enabled
*/
- rflags |= HPTE_R_C | HPTE_R_M;
+ rflags |= HPTE_R_R | HPTE_R_M;
+
+ if (pteflags & _PAGE_DIRTY)
+ rflags |= HPTE_R_C;
/*
* Add in WIG bits
*/
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index eb44511..6703187 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -33,10 +33,7 @@
changed = !pmd_same(*(pmdp), entry);
if (changed) {
__ptep_set_access_flags(pmdp_ptep(pmdp), pmd_pte(entry));
- /*
- * Since we are not supporting SW TLB systems, we don't
- * have any thing similar to flush_tlb_page_nohash()
- */
+ flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
}
return changed;
}
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 18b2c11..c939e6e 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -296,11 +296,6 @@
void __init radix__early_init_mmu(void)
{
unsigned long lpcr;
- /*
- * setup LPCR UPRT based on mmu_features
- */
- lpcr = mfspr(SPRN_LPCR);
- mtspr(SPRN_LPCR, lpcr | LPCR_UPRT);
#ifdef CONFIG_PPC_64K_PAGES
/* PAGE_SIZE mappings */
@@ -343,8 +338,11 @@
__pte_frag_size_shift = H_PTE_FRAG_SIZE_SHIFT;
radix_init_page_sizes();
- if (!firmware_has_feature(FW_FEATURE_LPAR))
+ if (!firmware_has_feature(FW_FEATURE_LPAR)) {
+ lpcr = mfspr(SPRN_LPCR);
+ mtspr(SPRN_LPCR, lpcr | LPCR_UPRT);
radix_init_partition_table();
+ }
radix_init_pgtable();
}
@@ -353,16 +351,15 @@
{
unsigned long lpcr;
/*
- * setup LPCR UPRT based on mmu_features
+ * update partition table control register and UPRT
*/
- lpcr = mfspr(SPRN_LPCR);
- mtspr(SPRN_LPCR, lpcr | LPCR_UPRT);
- /*
- * update partition table control register, 64 K size.
- */
- if (!firmware_has_feature(FW_FEATURE_LPAR))
+ if (!firmware_has_feature(FW_FEATURE_LPAR)) {
+ lpcr = mfspr(SPRN_LPCR);
+ mtspr(SPRN_LPCR, lpcr | LPCR_UPRT);
+
mtspr(SPRN_PTCR,
__pa(partition_tb) | (PATB_SIZE_SHIFT - 12));
+ }
}
void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base,
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index ac3ffd9..3998e0f 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -53,7 +53,6 @@
static int ibm_slot_error_detail;
static int ibm_get_config_addr_info;
static int ibm_get_config_addr_info2;
-static int ibm_configure_bridge;
static int ibm_configure_pe;
/*
@@ -81,7 +80,14 @@
ibm_get_config_addr_info2 = rtas_token("ibm,get-config-addr-info2");
ibm_get_config_addr_info = rtas_token("ibm,get-config-addr-info");
ibm_configure_pe = rtas_token("ibm,configure-pe");
- ibm_configure_bridge = rtas_token("ibm,configure-bridge");
+
+ /*
+ * ibm,configure-pe and ibm,configure-bridge have the same semantics,
+ * however ibm,configure-pe can be faster. If we can't find
+ * ibm,configure-pe then fall back to using ibm,configure-bridge.
+ */
+ if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE)
+ ibm_configure_pe = rtas_token("ibm,configure-bridge");
/*
* Necessary sanity check. We needn't check "get-config-addr-info"
@@ -93,8 +99,7 @@
(ibm_read_slot_reset_state2 == RTAS_UNKNOWN_SERVICE &&
ibm_read_slot_reset_state == RTAS_UNKNOWN_SERVICE) ||
ibm_slot_error_detail == RTAS_UNKNOWN_SERVICE ||
- (ibm_configure_pe == RTAS_UNKNOWN_SERVICE &&
- ibm_configure_bridge == RTAS_UNKNOWN_SERVICE)) {
+ ibm_configure_pe == RTAS_UNKNOWN_SERVICE) {
pr_info("EEH functionality not supported\n");
return -EINVAL;
}
@@ -615,29 +620,41 @@
{
int config_addr;
int ret;
+ /* Waiting 0.2s maximum before skipping configuration */
+ int max_wait = 200;
/* Figure out the PE address */
config_addr = pe->config_addr;
if (pe->addr)
config_addr = pe->addr;
- /* Use new configure-pe function, if supported */
- if (ibm_configure_pe != RTAS_UNKNOWN_SERVICE) {
+ while (max_wait > 0) {
ret = rtas_call(ibm_configure_pe, 3, 1, NULL,
config_addr, BUID_HI(pe->phb->buid),
BUID_LO(pe->phb->buid));
- } else if (ibm_configure_bridge != RTAS_UNKNOWN_SERVICE) {
- ret = rtas_call(ibm_configure_bridge, 3, 1, NULL,
- config_addr, BUID_HI(pe->phb->buid),
- BUID_LO(pe->phb->buid));
- } else {
- return -EFAULT;
+
+ if (!ret)
+ return ret;
+
+ /*
+ * If RTAS returns a delay value that's above 100ms, cut it
+ * down to 100ms in case firmware made a mistake. For more
+ * on how these delay values work see rtas_busy_delay_time
+ */
+ if (ret > RTAS_EXTENDED_DELAY_MIN+2 &&
+ ret <= RTAS_EXTENDED_DELAY_MAX)
+ ret = RTAS_EXTENDED_DELAY_MIN+2;
+
+ max_wait -= rtas_busy_delay_time(ret);
+
+ if (max_wait < 0)
+ break;
+
+ rtas_busy_delay(ret);
}
- if (ret)
- pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
- __func__, pe->phb->global_number, pe->addr, ret);
-
+ pr_warn("%s: Unable to configure bridge PHB#%d-PE#%x (%d)\n",
+ __func__, pe->phb->global_number, pe->addr, ret);
return ret;
}
diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig
index 0ac42cc..d5ec71b 100644
--- a/arch/s390/configs/default_defconfig
+++ b/arch/s390/configs/default_defconfig
@@ -1,8 +1,7 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
CONFIG_AUDIT=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
@@ -13,19 +12,19 @@
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
-CONFIG_CGROUP_FREEZER=y
-CONFIG_CGROUP_PIDS=y
-CONFIG_CGROUP_DEVICE=y
-CONFIG_CPUSETS=y
-CONFIG_CGROUP_CPUACCT=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
-CONFIG_MEMCG_KMEM=y
-CONFIG_CGROUP_HUGETLB=y
-CONFIG_CGROUP_PERF=y
+CONFIG_BLK_CGROUP=y
CONFIG_CFS_BANDWIDTH=y
CONFIG_RT_GROUP_SCHED=y
-CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CHECKPOINT_RESTORE=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_SCHED_AUTOGROUP=y
@@ -55,7 +54,6 @@
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_LIVEPATCH=y
-CONFIG_MARCH_Z196=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=256
CONFIG_NUMA=y
@@ -65,6 +63,15 @@
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CLEANCACHE=y
+CONFIG_FRONTSWAP=y
+CONFIG_CMA=y
+CONFIG_MEM_SOFT_DIRTY=y
+CONFIG_ZPOOL=m
+CONFIG_ZBUD=m
+CONFIG_ZSMALLOC=m
+CONFIG_ZSMALLOC_STAT=y
+CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_PCI=y
CONFIG_PCI_DEBUG=y
CONFIG_HOTPLUG_PCI=y
@@ -452,6 +459,7 @@
CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
+# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
@@ -537,6 +545,8 @@
CONFIG_PRINTK_TIME=y
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_GDB_SCRIPTS=y
CONFIG_FRAME_WARN=1024
CONFIG_READABLE_ASM=y
CONFIG_UNUSED_SYMBOLS=y
@@ -555,13 +565,17 @@
CONFIG_SLUB_STATS=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_VM=y
+CONFIG_DEBUG_VM_VMACACHE=y
CONFIG_DEBUG_VM_RB=y
+CONFIG_DEBUG_VM_PGFLAGS=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
CONFIG_DEBUG_PER_CPU_MAPS=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y
+CONFIG_WQ_WATCHDOG=y
CONFIG_PANIC_ON_OOPS=y
+CONFIG_DEBUG_TIMEKEEPING=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y
@@ -596,6 +610,8 @@
CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_UPROBE_EVENT=y
+CONFIG_FUNCTION_PROFILER=y
+CONFIG_TRACE_ENUM_MAP_FILE=y
CONFIG_LKDTM=m
CONFIG_TEST_LIST_SORT=y
CONFIG_KPROBES_SANITY_TEST=y
@@ -607,7 +623,6 @@
CONFIG_TEST_KSTRTOX=y
CONFIG_DMA_API_DEBUG=y
CONFIG_TEST_BPF=m
-# CONFIG_STRICT_DEVMEM is not set
CONFIG_S390_PTDUMP=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
@@ -651,7 +666,6 @@
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_ZLIB=y
CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
@@ -664,7 +678,7 @@
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_ASYMMETRIC_KEY_TYPE=m
+CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
CONFIG_CRC7=m
diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig
index a31dcd5..f46a351 100644
--- a/arch/s390/configs/gcov_defconfig
+++ b/arch/s390/configs/gcov_defconfig
@@ -1,8 +1,7 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
CONFIG_AUDIT=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
@@ -13,17 +12,17 @@
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
-CONFIG_CGROUP_FREEZER=y
-CONFIG_CGROUP_PIDS=y
-CONFIG_CGROUP_DEVICE=y
-CONFIG_CPUSETS=y
-CONFIG_CGROUP_CPUACCT=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
-CONFIG_MEMCG_KMEM=y
-CONFIG_CGROUP_HUGETLB=y
-CONFIG_CGROUP_PERF=y
CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CHECKPOINT_RESTORE=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_SCHED_AUTOGROUP=y
@@ -53,7 +52,6 @@
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z196=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=256
CONFIG_NUMA=y
@@ -62,6 +60,14 @@
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CLEANCACHE=y
+CONFIG_FRONTSWAP=y
+CONFIG_CMA=y
+CONFIG_ZSWAP=y
+CONFIG_ZBUD=m
+CONFIG_ZSMALLOC=m
+CONFIG_ZSMALLOC_STAT=y
+CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_PCI=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
@@ -530,6 +536,8 @@
CONFIG_DLM=m
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_GDB_SCRIPTS=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=1024
CONFIG_UNUSED_SYMBOLS=y
@@ -547,13 +555,13 @@
CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y
CONFIG_BLK_DEV_IO_TRACE=y
# CONFIG_KPROBE_EVENT is not set
+CONFIG_TRACE_ENUM_MAP_FILE=y
CONFIG_LKDTM=m
CONFIG_RBTREE_TEST=m
CONFIG_INTERVAL_TREE_TEST=m
CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BPF=m
-# CONFIG_STRICT_DEVMEM is not set
CONFIG_S390_PTDUMP=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
@@ -597,8 +605,6 @@
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_ZLIB=y
-CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_USER_API_HASH=m
@@ -610,7 +616,7 @@
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_ASYMMETRIC_KEY_TYPE=m
+CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
CONFIG_CRC7=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index 7b73bf3..ba0f2a5 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -1,8 +1,7 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
CONFIG_AUDIT=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
@@ -14,17 +13,17 @@
CONFIG_IKCONFIG_PROC=y
CONFIG_NUMA_BALANCING=y
# CONFIG_NUMA_BALANCING_DEFAULT_ENABLED is not set
-CONFIG_CGROUP_FREEZER=y
-CONFIG_CGROUP_PIDS=y
-CONFIG_CGROUP_DEVICE=y
-CONFIG_CPUSETS=y
-CONFIG_CGROUP_CPUACCT=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
-CONFIG_MEMCG_KMEM=y
-CONFIG_CGROUP_HUGETLB=y
-CONFIG_CGROUP_PERF=y
CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CHECKPOINT_RESTORE=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_SCHED_AUTOGROUP=y
@@ -53,7 +52,6 @@
CONFIG_CFQ_GROUP_IOSCHED=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_LIVEPATCH=y
-CONFIG_MARCH_Z196=y
CONFIG_TUNE_ZEC12=y
CONFIG_NR_CPUS=512
CONFIG_NUMA=y
@@ -62,6 +60,14 @@
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CLEANCACHE=y
+CONFIG_FRONTSWAP=y
+CONFIG_CMA=y
+CONFIG_ZSWAP=y
+CONFIG_ZBUD=m
+CONFIG_ZSMALLOC=m
+CONFIG_ZSMALLOC_STAT=y
+CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_PCI=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
@@ -447,6 +453,7 @@
CONFIG_RAW_DRIVER=m
CONFIG_HANGCHECK_TIMER=m
CONFIG_TN3270_FS=y
+# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
@@ -530,6 +537,8 @@
CONFIG_DLM=m
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_GDB_SCRIPTS=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_FRAME_WARN=1024
CONFIG_UNUSED_SYMBOLS=y
@@ -546,11 +555,12 @@
CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_UPROBE_EVENT=y
+CONFIG_FUNCTION_PROFILER=y
+CONFIG_TRACE_ENUM_MAP_FILE=y
CONFIG_LKDTM=m
CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BPF=m
-# CONFIG_STRICT_DEVMEM is not set
CONFIG_S390_PTDUMP=y
CONFIG_ENCRYPTED_KEYS=m
CONFIG_SECURITY=y
@@ -594,8 +604,6 @@
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_ZLIB=y
-CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_USER_API_HASH=m
@@ -607,7 +615,7 @@
CONFIG_CRYPTO_DES_S390=m
CONFIG_CRYPTO_AES_S390=m
CONFIG_CRYPTO_GHASH_S390=m
-CONFIG_ASYMMETRIC_KEY_TYPE=m
+CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m
CONFIG_X509_CERTIFICATE_PARSER=m
CONFIG_CRC7=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index 1719843..4366a3e 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -1,5 +1,5 @@
# CONFIG_SWAP is not set
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -7,7 +7,6 @@
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_MARCH_Z196=y
CONFIG_TUNE_ZEC12=y
# CONFIG_COMPAT is not set
CONFIG_NR_CPUS=2
@@ -64,7 +63,6 @@
# CONFIG_SCHED_DEBUG is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_FTRACE is not set
-# CONFIG_STRICT_DEVMEM is not set
# CONFIG_PFAULT is not set
# CONFIG_S390_HYPFS_FS is not set
# CONFIG_VIRTUALIZATION is not set
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index e24f2af..3f571ea 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,8 +1,8 @@
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
+CONFIG_USELIB=y
CONFIG_AUDIT=y
-CONFIG_NO_HZ=y
+CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
@@ -11,19 +11,19 @@
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_CGROUPS=y
-CONFIG_CGROUP_FREEZER=y
-CONFIG_CGROUP_PIDS=y
-CONFIG_CGROUP_DEVICE=y
-CONFIG_CPUSETS=y
-CONFIG_CGROUP_CPUACCT=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
-CONFIG_MEMCG_KMEM=y
-CONFIG_CGROUP_HUGETLB=y
-CONFIG_CGROUP_PERF=y
+CONFIG_BLK_CGROUP=y
CONFIG_CGROUP_SCHED=y
CONFIG_RT_GROUP_SCHED=y
-CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CHECKPOINT_RESTORE=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
CONFIG_BLK_DEV_INITRD=y
@@ -44,7 +44,6 @@
CONFIG_IBM_PARTITION=y
CONFIG_DEFAULT_DEADLINE=y
CONFIG_LIVEPATCH=y
-CONFIG_MARCH_Z196=y
CONFIG_NR_CPUS=256
CONFIG_NUMA=y
CONFIG_HZ_100=y
@@ -52,6 +51,14 @@
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_CLEANCACHE=y
+CONFIG_FRONTSWAP=y
+CONFIG_CMA=y
+CONFIG_ZSWAP=y
+CONFIG_ZBUD=m
+CONFIG_ZSMALLOC=m
+CONFIG_ZSMALLOC_STAT=y
+CONFIG_IDLE_PAGE_TRACKING=y
CONFIG_CRASH_DUMP=y
CONFIG_BINFMT_MISC=m
CONFIG_HIBERNATION=y
@@ -61,7 +68,6 @@
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
-# CONFIG_INET_LRO is not set
CONFIG_L2TP=m
CONFIG_L2TP_DEBUGFS=m
CONFIG_VLAN_8021Q=y
@@ -144,6 +150,9 @@
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_HUGETLBFS=y
# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_GDB_SCRIPTS=y
CONFIG_UNUSED_SYMBOLS=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
@@ -158,20 +167,21 @@
CONFIG_DEBUG_LOCKDEP=y
CONFIG_DEBUG_ATOMIC_SLEEP=y
CONFIG_DEBUG_LIST=y
-CONFIG_DEBUG_PI_LIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
CONFIG_RCU_CPU_STALL_TIMEOUT=60
CONFIG_RCU_TRACE=y
CONFIG_LATENCYTOP=y
CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y
-CONFIG_TRACER_SNAPSHOT=y
+CONFIG_SCHED_TRACER=y
+CONFIG_FTRACE_SYSCALLS=y
CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
CONFIG_STACK_TRACER=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_UPROBE_EVENT=y
+CONFIG_FUNCTION_PROFILER=y
+CONFIG_TRACE_ENUM_MAP_FILE=y
CONFIG_KPROBES_SANITY_TEST=y
-# CONFIG_STRICT_DEVMEM is not set
CONFIG_S390_PTDUMP=y
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_AUTHENC=m
@@ -212,8 +222,6 @@
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_ZLIB=m
-CONFIG_CRYPTO_LZO=m
CONFIG_CRYPTO_LZ4=m
CONFIG_CRYPTO_LZ4HC=m
CONFIG_CRYPTO_ANSI_CPRNG=m
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 7a31440..19288c1 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -250,6 +250,7 @@
report_user_fault(regs, SIGSEGV, 1);
si.si_signo = SIGSEGV;
+ si.si_errno = 0;
si.si_code = si_code;
si.si_addr = (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK);
force_sig_info(SIGSEGV, &si, current);
diff --git a/arch/s390/net/bpf_jit.h b/arch/s390/net/bpf_jit.h
index f010c93..fda605d 100644
--- a/arch/s390/net/bpf_jit.h
+++ b/arch/s390/net/bpf_jit.h
@@ -37,7 +37,7 @@
* | | |
* +---------------+ |
* | 8 byte skbp | |
- * R15+170 -> +---------------+ |
+ * R15+176 -> +---------------+ |
* | 8 byte hlen | |
* R15+168 -> +---------------+ |
* | 4 byte align | |
@@ -58,7 +58,7 @@
#define STK_OFF (STK_SPACE - STK_160_UNUSED)
#define STK_OFF_TMP 160 /* Offset of tmp buffer on stack */
#define STK_OFF_HLEN 168 /* Offset of SKB header length on stack */
-#define STK_OFF_SKBP 170 /* Offset of SKB pointer on stack */
+#define STK_OFF_SKBP 176 /* Offset of SKB pointer on stack */
#define STK_OFF_R6 (160 - 11 * 8) /* Offset of r6 on stack */
#define STK_OFF_TCCNT (160 - 12 * 8) /* Offset of tail_call_cnt on stack */
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 9133b0e..bee281f 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -45,7 +45,7 @@
int labels[1]; /* Labels for local jumps */
};
-#define BPF_SIZE_MAX 0x7ffff /* Max size for program (20 bit signed displ) */
+#define BPF_SIZE_MAX 0xffff /* Max size for program (16 bit branches) */
#define SEEN_SKB 1 /* skb access */
#define SEEN_MEM 2 /* use mem[] for temporary storage */
@@ -450,7 +450,7 @@
emit_load_skb_data_hlen(jit);
if (jit->seen & SEEN_SKB_CHANGE)
/* stg %b1,ST_OFF_SKBP(%r0,%r15) */
- EMIT6_DISP_LH(0xe3000000, 0x0024, REG_W1, REG_0, REG_15,
+ EMIT6_DISP_LH(0xe3000000, 0x0024, BPF_REG_1, REG_0, REG_15,
STK_OFF_SKBP);
}
diff --git a/arch/sparc/include/asm/head_64.h b/arch/sparc/include/asm/head_64.h
index 10e9dab..f0700cf 100644
--- a/arch/sparc/include/asm/head_64.h
+++ b/arch/sparc/include/asm/head_64.h
@@ -15,6 +15,10 @@
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
+#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
+#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
+#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
+
#define __CHEETAH_ID 0x003e0014
#define __JALAPENO_ID 0x003e0016
#define __SERRANO_ID 0x003e0022
diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h
index 71b5a67..781b9f1 100644
--- a/arch/sparc/include/asm/ttable.h
+++ b/arch/sparc/include/asm/ttable.h
@@ -589,8 +589,8 @@
restored; \
nop; nop; nop; nop; nop; nop; \
nop; nop; nop; nop; nop; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_dax; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_mna; \
ba,a,pt %xcc, user_rtt_fill_fixup;
@@ -652,8 +652,8 @@
restored; \
nop; nop; nop; nop; nop; \
nop; nop; nop; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
- ba,a,pt %xcc, user_rtt_fill_fixup; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_dax; \
+ ba,a,pt %xcc, user_rtt_fill_fixup_mna; \
ba,a,pt %xcc, user_rtt_fill_fixup;
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 7cf9c6e..fdb1332 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -21,6 +21,7 @@
CFLAGS_REMOVE_pcr.o := -pg
endif
+obj-$(CONFIG_SPARC64) += urtt_fill.o
obj-$(CONFIG_SPARC32) += entry.o wof.o wuf.o
obj-$(CONFIG_SPARC32) += etrap_32.o
obj-$(CONFIG_SPARC32) += rtrap_32.o
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index d08bdaf..216948c 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -14,10 +14,6 @@
#include <asm/visasm.h>
#include <asm/processor.h>
-#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE)
-#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV)
-#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG)
-
#ifdef CONFIG_CONTEXT_TRACKING
# define SCHEDULE_USER schedule_user
#else
@@ -242,52 +238,17 @@
wrpr %g1, %cwp
ba,a,pt %xcc, user_rtt_fill_64bit
+user_rtt_fill_fixup_dax:
+ ba,pt %xcc, user_rtt_fill_fixup_common
+ mov 1, %g3
+
+user_rtt_fill_fixup_mna:
+ ba,pt %xcc, user_rtt_fill_fixup_common
+ mov 2, %g3
+
user_rtt_fill_fixup:
- rdpr %cwp, %g1
- add %g1, 1, %g1
- wrpr %g1, 0x0, %cwp
-
- rdpr %wstate, %g2
- sll %g2, 3, %g2
- wrpr %g2, 0x0, %wstate
-
- /* We know %canrestore and %otherwin are both zero. */
-
- sethi %hi(sparc64_kern_pri_context), %g2
- ldx [%g2 + %lo(sparc64_kern_pri_context)], %g2
- mov PRIMARY_CONTEXT, %g1
-
-661: stxa %g2, [%g1] ASI_DMMU
- .section .sun4v_1insn_patch, "ax"
- .word 661b
- stxa %g2, [%g1] ASI_MMU
- .previous
-
- sethi %hi(KERNBASE), %g1
- flush %g1
-
- or %g4, FAULT_CODE_WINFIXUP, %g4
- stb %g4, [%g6 + TI_FAULT_CODE]
- stx %g5, [%g6 + TI_FAULT_ADDR]
-
- mov %g6, %l1
- wrpr %g0, 0x0, %tl
-
-661: nop
- .section .sun4v_1insn_patch, "ax"
- .word 661b
- SET_GL(0)
- .previous
-
- wrpr %g0, RTRAP_PSTATE, %pstate
-
- mov %l1, %g6
- ldx [%g6 + TI_TASK], %g4
- LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3)
- call do_sparc64_fault
- add %sp, PTREGS_OFF, %o0
- ba,pt %xcc, rtrap
- nop
+ ba,pt %xcc, user_rtt_fill_fixup_common
+ clr %g3
user_rtt_pre_restore:
add %g1, 1, %g1
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 3c25241..91cc2f4 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -138,12 +138,24 @@
return 0;
}
+/* Checks if the fp is valid. We always build signal frames which are
+ * 16-byte aligned, therefore we can always enforce that the restore
+ * frame has that property as well.
+ */
+static bool invalid_frame_pointer(void __user *fp, int fplen)
+{
+ if ((((unsigned long) fp) & 15) ||
+ ((unsigned long)fp) > 0x100000000ULL - fplen)
+ return true;
+ return false;
+}
+
void do_sigreturn32(struct pt_regs *regs)
{
struct signal_frame32 __user *sf;
compat_uptr_t fpu_save;
compat_uptr_t rwin_save;
- unsigned int psr;
+ unsigned int psr, ufp;
unsigned int pc, npc;
sigset_t set;
compat_sigset_t seta;
@@ -158,11 +170,16 @@
sf = (struct signal_frame32 __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
- if (!access_ok(VERIFY_READ, sf, sizeof(*sf)) ||
- (((unsigned long) sf) & 3))
+ if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv;
- if (get_user(pc, &sf->info.si_regs.pc) ||
+ if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
+ goto segv;
+
+ if (ufp & 0x7)
+ goto segv;
+
+ if (__get_user(pc, &sf->info.si_regs.pc) ||
__get_user(npc, &sf->info.si_regs.npc))
goto segv;
@@ -227,7 +244,7 @@
asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
{
struct rt_signal_frame32 __user *sf;
- unsigned int psr, pc, npc;
+ unsigned int psr, pc, npc, ufp;
compat_uptr_t fpu_save;
compat_uptr_t rwin_save;
sigset_t set;
@@ -242,11 +259,16 @@
sf = (struct rt_signal_frame32 __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
- if (!access_ok(VERIFY_READ, sf, sizeof(*sf)) ||
- (((unsigned long) sf) & 3))
+ if (invalid_frame_pointer(sf, sizeof(*sf)))
goto segv;
- if (get_user(pc, &sf->regs.pc) ||
+ if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))
+ goto segv;
+
+ if (ufp & 0x7)
+ goto segv;
+
+ if (__get_user(pc, &sf->regs.pc) ||
__get_user(npc, &sf->regs.npc))
goto segv;
@@ -307,14 +329,6 @@
force_sig(SIGSEGV, current);
}
-/* Checks if the fp is valid */
-static int invalid_frame_pointer(void __user *fp, int fplen)
-{
- if ((((unsigned long) fp) & 7) || ((unsigned long)fp) > 0x100000000ULL - fplen)
- return 1;
- return 0;
-}
-
static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp;
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 52aa5e4..c3c12ef 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -60,10 +60,22 @@
#define SF_ALIGNEDSZ (((sizeof(struct signal_frame) + 7) & (~7)))
#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame) + 7) & (~7)))
+/* Checks if the fp is valid. We always build signal frames which are
+ * 16-byte aligned, therefore we can always enforce that the restore
+ * frame has that property as well.
+ */
+static inline bool invalid_frame_pointer(void __user *fp, int fplen)
+{
+ if ((((unsigned long) fp) & 15) || !__access_ok((unsigned long)fp, fplen))
+ return true;
+
+ return false;
+}
+
asmlinkage void do_sigreturn(struct pt_regs *regs)
{
+ unsigned long up_psr, pc, npc, ufp;
struct signal_frame __user *sf;
- unsigned long up_psr, pc, npc;
sigset_t set;
__siginfo_fpu_t __user *fpu_save;
__siginfo_rwin_t __user *rwin_save;
@@ -77,10 +89,13 @@
sf = (struct signal_frame __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
- if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))
+ if (!invalid_frame_pointer(sf, sizeof(*sf)))
goto segv_and_exit;
- if (((unsigned long) sf) & 3)
+ if (get_user(ufp, &sf->info.si_regs.u_regs[UREG_FP]))
+ goto segv_and_exit;
+
+ if (ufp & 0x7)
goto segv_and_exit;
err = __get_user(pc, &sf->info.si_regs.pc);
@@ -127,7 +142,7 @@
asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
{
struct rt_signal_frame __user *sf;
- unsigned int psr, pc, npc;
+ unsigned int psr, pc, npc, ufp;
__siginfo_fpu_t __user *fpu_save;
__siginfo_rwin_t __user *rwin_save;
sigset_t set;
@@ -135,8 +150,13 @@
synchronize_user_stack();
sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
- if (!access_ok(VERIFY_READ, sf, sizeof(*sf)) ||
- (((unsigned long) sf) & 0x03))
+ if (!invalid_frame_pointer(sf, sizeof(*sf)))
+ goto segv;
+
+ if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))
+ goto segv;
+
+ if (ufp & 0x7)
goto segv;
err = __get_user(pc, &sf->regs.pc);
@@ -178,15 +198,6 @@
force_sig(SIGSEGV, current);
}
-/* Checks if the fp is valid */
-static inline int invalid_frame_pointer(void __user *fp, int fplen)
-{
- if ((((unsigned long) fp) & 7) || !__access_ok((unsigned long)fp, fplen))
- return 1;
-
- return 0;
-}
-
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp = regs->u_regs[UREG_FP];
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 39aaec1..5ee930c 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -234,6 +234,17 @@
goto out;
}
+/* Checks if the fp is valid. We always build rt signal frames which
+ * are 16-byte aligned, therefore we can always enforce that the
+ * restore frame has that property as well.
+ */
+static bool invalid_frame_pointer(void __user *fp)
+{
+ if (((unsigned long) fp) & 15)
+ return true;
+ return false;
+}
+
struct rt_signal_frame {
struct sparc_stackf ss;
siginfo_t info;
@@ -246,8 +257,8 @@
void do_rt_sigreturn(struct pt_regs *regs)
{
+ unsigned long tpc, tnpc, tstate, ufp;
struct rt_signal_frame __user *sf;
- unsigned long tpc, tnpc, tstate;
__siginfo_fpu_t __user *fpu_save;
__siginfo_rwin_t __user *rwin_save;
sigset_t set;
@@ -261,10 +272,16 @@
(regs->u_regs [UREG_FP] + STACK_BIAS);
/* 1. Make sure we are not getting garbage from the user */
- if (((unsigned long) sf) & 3)
+ if (invalid_frame_pointer(sf))
goto segv;
- err = get_user(tpc, &sf->regs.tpc);
+ if (get_user(ufp, &sf->regs.u_regs[UREG_FP]))
+ goto segv;
+
+ if ((ufp + STACK_BIAS) & 0x7)
+ goto segv;
+
+ err = __get_user(tpc, &sf->regs.tpc);
err |= __get_user(tnpc, &sf->regs.tnpc);
if (test_thread_flag(TIF_32BIT)) {
tpc &= 0xffffffff;
@@ -308,14 +325,6 @@
force_sig(SIGSEGV, current);
}
-/* Checks if the fp is valid */
-static int invalid_frame_pointer(void __user *fp)
-{
- if (((unsigned long) fp) & 15)
- return 1;
- return 0;
-}
-
static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp = regs->u_regs[UREG_FP] + STACK_BIAS;
diff --git a/arch/sparc/kernel/sigutil_32.c b/arch/sparc/kernel/sigutil_32.c
index 0f6eebe..e5fe8ce 100644
--- a/arch/sparc/kernel/sigutil_32.c
+++ b/arch/sparc/kernel/sigutil_32.c
@@ -48,6 +48,10 @@
int restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
int err;
+
+ if (((unsigned long) fpu) & 3)
+ return -EFAULT;
+
#ifdef CONFIG_SMP
if (test_tsk_thread_flag(current, TIF_USEDFPU))
regs->psr &= ~PSR_EF;
@@ -97,7 +101,10 @@
struct thread_info *t = current_thread_info();
int i, wsaved, err;
- __get_user(wsaved, &rp->wsaved);
+ if (((unsigned long) rp) & 3)
+ return -EFAULT;
+
+ get_user(wsaved, &rp->wsaved);
if (wsaved > NSWINS)
return -EFAULT;
diff --git a/arch/sparc/kernel/sigutil_64.c b/arch/sparc/kernel/sigutil_64.c
index 387834a..36aadcb 100644
--- a/arch/sparc/kernel/sigutil_64.c
+++ b/arch/sparc/kernel/sigutil_64.c
@@ -37,7 +37,10 @@
unsigned long fprs;
int err;
- err = __get_user(fprs, &fpu->si_fprs);
+ if (((unsigned long) fpu) & 7)
+ return -EFAULT;
+
+ err = get_user(fprs, &fpu->si_fprs);
fprs_write(0);
regs->tstate &= ~TSTATE_PEF;
if (fprs & FPRS_DL)
@@ -72,7 +75,10 @@
struct thread_info *t = current_thread_info();
int i, wsaved, err;
- __get_user(wsaved, &rp->wsaved);
+ if (((unsigned long) rp) & 7)
+ return -EFAULT;
+
+ get_user(wsaved, &rp->wsaved);
if (wsaved > NSWINS)
return -EFAULT;
diff --git a/arch/sparc/kernel/urtt_fill.S b/arch/sparc/kernel/urtt_fill.S
new file mode 100644
index 0000000..5604a2b0
--- /dev/null
+++ b/arch/sparc/kernel/urtt_fill.S
@@ -0,0 +1,98 @@
+#include <asm/thread_info.h>
+#include <asm/trap_block.h>
+#include <asm/spitfire.h>
+#include <asm/ptrace.h>
+#include <asm/head.h>
+
+ .text
+ .align 8
+ .globl user_rtt_fill_fixup_common
+user_rtt_fill_fixup_common:
+ rdpr %cwp, %g1
+ add %g1, 1, %g1
+ wrpr %g1, 0x0, %cwp
+
+ rdpr %wstate, %g2
+ sll %g2, 3, %g2
+ wrpr %g2, 0x0, %wstate
+
+ /* We know %canrestore and %otherwin are both zero. */
+
+ sethi %hi(sparc64_kern_pri_context), %g2
+ ldx [%g2 + %lo(sparc64_kern_pri_context)], %g2
+ mov PRIMARY_CONTEXT, %g1
+
+661: stxa %g2, [%g1] ASI_DMMU
+ .section .sun4v_1insn_patch, "ax"
+ .word 661b
+ stxa %g2, [%g1] ASI_MMU
+ .previous
+
+ sethi %hi(KERNBASE), %g1
+ flush %g1
+
+ mov %g4, %l4
+ mov %g5, %l5
+ brnz,pn %g3, 1f
+ mov %g3, %l3
+
+ or %g4, FAULT_CODE_WINFIXUP, %g4
+ stb %g4, [%g6 + TI_FAULT_CODE]
+ stx %g5, [%g6 + TI_FAULT_ADDR]
+1:
+ mov %g6, %l1
+ wrpr %g0, 0x0, %tl
+
+661: nop
+ .section .sun4v_1insn_patch, "ax"
+ .word 661b
+ SET_GL(0)
+ .previous
+
+ wrpr %g0, RTRAP_PSTATE, %pstate
+
+ mov %l1, %g6
+ ldx [%g6 + TI_TASK], %g4
+ LOAD_PER_CPU_BASE(%g5, %g6, %g1, %g2, %g3)
+
+ brnz,pn %l3, 1f
+ nop
+
+ call do_sparc64_fault
+ add %sp, PTREGS_OFF, %o0
+ ba,pt %xcc, rtrap
+ nop
+
+1: cmp %g3, 2
+ bne,pn %xcc, 2f
+ nop
+
+ sethi %hi(tlb_type), %g1
+ lduw [%g1 + %lo(tlb_type)], %g1
+ cmp %g1, 3
+ bne,pt %icc, 1f
+ add %sp, PTREGS_OFF, %o0
+ mov %l4, %o2
+ call sun4v_do_mna
+ mov %l5, %o1
+ ba,a,pt %xcc, rtrap
+1: mov %l4, %o1
+ mov %l5, %o2
+ call mem_address_unaligned
+ nop
+ ba,a,pt %xcc, rtrap
+
+2: sethi %hi(tlb_type), %g1
+ mov %l4, %o1
+ lduw [%g1 + %lo(tlb_type)], %g1
+ mov %l5, %o2
+ cmp %g1, 3
+ bne,pt %icc, 1f
+ add %sp, PTREGS_OFF, %o0
+ call sun4v_data_access_exception
+ nop
+ ba,a,pt %xcc, rtrap
+
+1: call spitfire_data_access_exception
+ nop
+ ba,a,pt %xcc, rtrap
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 652683c..14bb0d5 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2824,9 +2824,10 @@
* the Data-TLB for huge pages.
*/
if (tlb_type == cheetah_plus) {
+ bool need_context_reload = false;
unsigned long ctx;
- spin_lock(&ctx_alloc_lock);
+ spin_lock_irq(&ctx_alloc_lock);
ctx = mm->context.sparc64_ctx_val;
ctx &= ~CTX_PGSZ_MASK;
ctx |= CTX_PGSZ_BASE << CTX_PGSZ0_SHIFT;
@@ -2845,9 +2846,12 @@
* also executing in this address space.
*/
mm->context.sparc64_ctx_val = ctx;
- on_each_cpu(context_reload, mm, 0);
+ need_context_reload = true;
}
- spin_unlock(&ctx_alloc_lock);
+ spin_unlock_irq(&ctx_alloc_lock);
+
+ if (need_context_reload)
+ on_each_cpu(context_reload, mm, 0);
}
}
#endif
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index bca14c8..757390e 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -223,36 +223,19 @@
* despite the efforts of the "RAM buffer" approach, which simply rounds
* memory boundaries up to 64M to try to catch space that may decode
* as RAM and so is not suitable for MMIO.
- *
- * And yes, so far on current devices the base addr is always under 4G.
*/
-static u32 __init intel_stolen_base(int num, int slot, int func, size_t stolen_size)
-{
- u32 base;
-
- /*
- * For the PCI IDs in this quirk, the stolen base is always
- * in 0x5c, aka the BDSM register (yes that's really what
- * it's called).
- */
- base = read_pci_config(num, slot, func, 0x5c);
- base &= ~((1<<20) - 1);
-
- return base;
-}
#define KB(x) ((x) * 1024UL)
#define MB(x) (KB (KB (x)))
-#define GB(x) (MB (KB (x)))
static size_t __init i830_tseg_size(void)
{
- u8 tmp = read_pci_config_byte(0, 0, 0, I830_ESMRAMC);
+ u8 esmramc = read_pci_config_byte(0, 0, 0, I830_ESMRAMC);
- if (!(tmp & TSEG_ENABLE))
+ if (!(esmramc & TSEG_ENABLE))
return 0;
- if (tmp & I830_TSEG_SIZE_1M)
+ if (esmramc & I830_TSEG_SIZE_1M)
return MB(1);
else
return KB(512);
@@ -260,27 +243,26 @@
static size_t __init i845_tseg_size(void)
{
- u8 tmp = read_pci_config_byte(0, 0, 0, I845_ESMRAMC);
+ u8 esmramc = read_pci_config_byte(0, 0, 0, I845_ESMRAMC);
+ u8 tseg_size = esmramc & I845_TSEG_SIZE_MASK;
- if (!(tmp & TSEG_ENABLE))
+ if (!(esmramc & TSEG_ENABLE))
return 0;
- switch (tmp & I845_TSEG_SIZE_MASK) {
- case I845_TSEG_SIZE_512K:
- return KB(512);
- case I845_TSEG_SIZE_1M:
- return MB(1);
+ switch (tseg_size) {
+ case I845_TSEG_SIZE_512K: return KB(512);
+ case I845_TSEG_SIZE_1M: return MB(1);
default:
- WARN_ON(1);
- return 0;
+ WARN(1, "Unknown ESMRAMC value: %x!\n", esmramc);
}
+ return 0;
}
static size_t __init i85x_tseg_size(void)
{
- u8 tmp = read_pci_config_byte(0, 0, 0, I85X_ESMRAMC);
+ u8 esmramc = read_pci_config_byte(0, 0, 0, I85X_ESMRAMC);
- if (!(tmp & TSEG_ENABLE))
+ if (!(esmramc & TSEG_ENABLE))
return 0;
return MB(1);
@@ -300,285 +282,287 @@
* On 830/845/85x the stolen memory base isn't available in any
* register. We need to calculate it as TOM-TSEG_SIZE-stolen_size.
*/
-static u32 __init i830_stolen_base(int num, int slot, int func, size_t stolen_size)
+static phys_addr_t __init i830_stolen_base(int num, int slot, int func,
+ size_t stolen_size)
{
- return i830_mem_size() - i830_tseg_size() - stolen_size;
+ return (phys_addr_t)i830_mem_size() - i830_tseg_size() - stolen_size;
}
-static u32 __init i845_stolen_base(int num, int slot, int func, size_t stolen_size)
+static phys_addr_t __init i845_stolen_base(int num, int slot, int func,
+ size_t stolen_size)
{
- return i830_mem_size() - i845_tseg_size() - stolen_size;
+ return (phys_addr_t)i830_mem_size() - i845_tseg_size() - stolen_size;
}
-static u32 __init i85x_stolen_base(int num, int slot, int func, size_t stolen_size)
+static phys_addr_t __init i85x_stolen_base(int num, int slot, int func,
+ size_t stolen_size)
{
- return i85x_mem_size() - i85x_tseg_size() - stolen_size;
+ return (phys_addr_t)i85x_mem_size() - i85x_tseg_size() - stolen_size;
}
-static u32 __init i865_stolen_base(int num, int slot, int func, size_t stolen_size)
+static phys_addr_t __init i865_stolen_base(int num, int slot, int func,
+ size_t stolen_size)
{
+ u16 toud;
+
/*
* FIXME is the graphics stolen memory region
* always at TOUD? Ie. is it always the last
* one to be allocated by the BIOS?
*/
- return read_pci_config_16(0, 0, 0, I865_TOUD) << 16;
+ toud = read_pci_config_16(0, 0, 0, I865_TOUD);
+
+ return (phys_addr_t)toud << 16;
+}
+
+static phys_addr_t __init gen3_stolen_base(int num, int slot, int func,
+ size_t stolen_size)
+{
+ u32 bsm;
+
+ /* Almost universally we can find the Graphics Base of Stolen Memory
+ * at register BSM (0x5c) in the igfx configuration space. On a few
+ * (desktop) machines this is also mirrored in the bridge device at
+ * different locations, or in the MCHBAR.
+ */
+ bsm = read_pci_config(num, slot, func, INTEL_BSM);
+
+ return (phys_addr_t)bsm & INTEL_BSM_MASK;
}
static size_t __init i830_stolen_size(int num, int slot, int func)
{
- size_t stolen_size;
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(0, 0, 0, I830_GMCH_CTRL);
+ gms = gmch_ctrl & I830_GMCH_GMS_MASK;
- switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
- case I830_GMCH_GMS_STOLEN_512:
- stolen_size = KB(512);
- break;
- case I830_GMCH_GMS_STOLEN_1024:
- stolen_size = MB(1);
- break;
- case I830_GMCH_GMS_STOLEN_8192:
- stolen_size = MB(8);
- break;
- case I830_GMCH_GMS_LOCAL:
- /* local memory isn't part of the normal address space */
- stolen_size = 0;
- break;
+ switch (gms) {
+ case I830_GMCH_GMS_STOLEN_512: return KB(512);
+ case I830_GMCH_GMS_STOLEN_1024: return MB(1);
+ case I830_GMCH_GMS_STOLEN_8192: return MB(8);
+ /* local memory isn't part of the normal address space */
+ case I830_GMCH_GMS_LOCAL: return 0;
default:
- return 0;
+ WARN(1, "Unknown GMCH_CTRL value: %x!\n", gmch_ctrl);
}
- return stolen_size;
+ return 0;
}
static size_t __init gen3_stolen_size(int num, int slot, int func)
{
- size_t stolen_size;
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(0, 0, 0, I830_GMCH_CTRL);
+ gms = gmch_ctrl & I855_GMCH_GMS_MASK;
- switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
- case I855_GMCH_GMS_STOLEN_1M:
- stolen_size = MB(1);
- break;
- case I855_GMCH_GMS_STOLEN_4M:
- stolen_size = MB(4);
- break;
- case I855_GMCH_GMS_STOLEN_8M:
- stolen_size = MB(8);
- break;
- case I855_GMCH_GMS_STOLEN_16M:
- stolen_size = MB(16);
- break;
- case I855_GMCH_GMS_STOLEN_32M:
- stolen_size = MB(32);
- break;
- case I915_GMCH_GMS_STOLEN_48M:
- stolen_size = MB(48);
- break;
- case I915_GMCH_GMS_STOLEN_64M:
- stolen_size = MB(64);
- break;
- case G33_GMCH_GMS_STOLEN_128M:
- stolen_size = MB(128);
- break;
- case G33_GMCH_GMS_STOLEN_256M:
- stolen_size = MB(256);
- break;
- case INTEL_GMCH_GMS_STOLEN_96M:
- stolen_size = MB(96);
- break;
- case INTEL_GMCH_GMS_STOLEN_160M:
- stolen_size = MB(160);
- break;
- case INTEL_GMCH_GMS_STOLEN_224M:
- stolen_size = MB(224);
- break;
- case INTEL_GMCH_GMS_STOLEN_352M:
- stolen_size = MB(352);
- break;
+ switch (gms) {
+ case I855_GMCH_GMS_STOLEN_1M: return MB(1);
+ case I855_GMCH_GMS_STOLEN_4M: return MB(4);
+ case I855_GMCH_GMS_STOLEN_8M: return MB(8);
+ case I855_GMCH_GMS_STOLEN_16M: return MB(16);
+ case I855_GMCH_GMS_STOLEN_32M: return MB(32);
+ case I915_GMCH_GMS_STOLEN_48M: return MB(48);
+ case I915_GMCH_GMS_STOLEN_64M: return MB(64);
+ case G33_GMCH_GMS_STOLEN_128M: return MB(128);
+ case G33_GMCH_GMS_STOLEN_256M: return MB(256);
+ case INTEL_GMCH_GMS_STOLEN_96M: return MB(96);
+ case INTEL_GMCH_GMS_STOLEN_160M:return MB(160);
+ case INTEL_GMCH_GMS_STOLEN_224M:return MB(224);
+ case INTEL_GMCH_GMS_STOLEN_352M:return MB(352);
default:
- stolen_size = 0;
- break;
+ WARN(1, "Unknown GMCH_CTRL value: %x!\n", gmch_ctrl);
}
- return stolen_size;
+ return 0;
}
static size_t __init gen6_stolen_size(int num, int slot, int func)
{
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
- gmch_ctrl >>= SNB_GMCH_GMS_SHIFT;
- gmch_ctrl &= SNB_GMCH_GMS_MASK;
+ gms = (gmch_ctrl >> SNB_GMCH_GMS_SHIFT) & SNB_GMCH_GMS_MASK;
- return gmch_ctrl << 25; /* 32 MB units */
+ return (size_t)gms * MB(32);
}
static size_t __init gen8_stolen_size(int num, int slot, int func)
{
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
- gmch_ctrl >>= BDW_GMCH_GMS_SHIFT;
- gmch_ctrl &= BDW_GMCH_GMS_MASK;
- return gmch_ctrl << 25; /* 32 MB units */
+ gms = (gmch_ctrl >> BDW_GMCH_GMS_SHIFT) & BDW_GMCH_GMS_MASK;
+
+ return (size_t)gms * MB(32);
}
static size_t __init chv_stolen_size(int num, int slot, int func)
{
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
- gmch_ctrl >>= SNB_GMCH_GMS_SHIFT;
- gmch_ctrl &= SNB_GMCH_GMS_MASK;
+ gms = (gmch_ctrl >> SNB_GMCH_GMS_SHIFT) & SNB_GMCH_GMS_MASK;
/*
* 0x0 to 0x10: 32MB increments starting at 0MB
* 0x11 to 0x16: 4MB increments starting at 8MB
* 0x17 to 0x1d: 4MB increments start at 36MB
*/
- if (gmch_ctrl < 0x11)
- return gmch_ctrl << 25;
- else if (gmch_ctrl < 0x17)
- return (gmch_ctrl - 0x11 + 2) << 22;
+ if (gms < 0x11)
+ return (size_t)gms * MB(32);
+ else if (gms < 0x17)
+ return (size_t)(gms - 0x11 + 2) * MB(4);
else
- return (gmch_ctrl - 0x17 + 9) << 22;
+ return (size_t)(gms - 0x17 + 9) * MB(4);
}
-struct intel_stolen_funcs {
- size_t (*size)(int num, int slot, int func);
- u32 (*base)(int num, int slot, int func, size_t size);
-};
-
static size_t __init gen9_stolen_size(int num, int slot, int func)
{
u16 gmch_ctrl;
+ u16 gms;
gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
- gmch_ctrl >>= BDW_GMCH_GMS_SHIFT;
- gmch_ctrl &= BDW_GMCH_GMS_MASK;
+ gms = (gmch_ctrl >> BDW_GMCH_GMS_SHIFT) & BDW_GMCH_GMS_MASK;
- if (gmch_ctrl < 0xf0)
- return gmch_ctrl << 25; /* 32 MB units */
+ /* 0x0 to 0xef: 32MB increments starting at 0MB */
+ /* 0xf0 to 0xfe: 4MB increments starting at 4MB */
+ if (gms < 0xf0)
+ return (size_t)gms * MB(32);
else
- /* 4MB increments starting at 0xf0 for 4MB */
- return (gmch_ctrl - 0xf0 + 1) << 22;
+ return (size_t)(gms - 0xf0 + 1) * MB(4);
}
-typedef size_t (*stolen_size_fn)(int num, int slot, int func);
-
-static const struct intel_stolen_funcs i830_stolen_funcs __initconst = {
- .base = i830_stolen_base,
- .size = i830_stolen_size,
+struct intel_early_ops {
+ size_t (*stolen_size)(int num, int slot, int func);
+ phys_addr_t (*stolen_base)(int num, int slot, int func, size_t size);
};
-static const struct intel_stolen_funcs i845_stolen_funcs __initconst = {
- .base = i845_stolen_base,
- .size = i830_stolen_size,
+static const struct intel_early_ops i830_early_ops __initconst = {
+ .stolen_base = i830_stolen_base,
+ .stolen_size = i830_stolen_size,
};
-static const struct intel_stolen_funcs i85x_stolen_funcs __initconst = {
- .base = i85x_stolen_base,
- .size = gen3_stolen_size,
+static const struct intel_early_ops i845_early_ops __initconst = {
+ .stolen_base = i845_stolen_base,
+ .stolen_size = i830_stolen_size,
};
-static const struct intel_stolen_funcs i865_stolen_funcs __initconst = {
- .base = i865_stolen_base,
- .size = gen3_stolen_size,
+static const struct intel_early_ops i85x_early_ops __initconst = {
+ .stolen_base = i85x_stolen_base,
+ .stolen_size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs gen3_stolen_funcs __initconst = {
- .base = intel_stolen_base,
- .size = gen3_stolen_size,
+static const struct intel_early_ops i865_early_ops __initconst = {
+ .stolen_base = i865_stolen_base,
+ .stolen_size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs gen6_stolen_funcs __initconst = {
- .base = intel_stolen_base,
- .size = gen6_stolen_size,
+static const struct intel_early_ops gen3_early_ops __initconst = {
+ .stolen_base = gen3_stolen_base,
+ .stolen_size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs gen8_stolen_funcs __initconst = {
- .base = intel_stolen_base,
- .size = gen8_stolen_size,
+static const struct intel_early_ops gen6_early_ops __initconst = {
+ .stolen_base = gen3_stolen_base,
+ .stolen_size = gen6_stolen_size,
};
-static const struct intel_stolen_funcs gen9_stolen_funcs __initconst = {
- .base = intel_stolen_base,
- .size = gen9_stolen_size,
+static const struct intel_early_ops gen8_early_ops __initconst = {
+ .stolen_base = gen3_stolen_base,
+ .stolen_size = gen8_stolen_size,
};
-static const struct intel_stolen_funcs chv_stolen_funcs __initconst = {
- .base = intel_stolen_base,
- .size = chv_stolen_size,
+static const struct intel_early_ops gen9_early_ops __initconst = {
+ .stolen_base = gen3_stolen_base,
+ .stolen_size = gen9_stolen_size,
};
-static const struct pci_device_id intel_stolen_ids[] __initconst = {
- INTEL_I830_IDS(&i830_stolen_funcs),
- INTEL_I845G_IDS(&i845_stolen_funcs),
- INTEL_I85X_IDS(&i85x_stolen_funcs),
- INTEL_I865G_IDS(&i865_stolen_funcs),
- INTEL_I915G_IDS(&gen3_stolen_funcs),
- INTEL_I915GM_IDS(&gen3_stolen_funcs),
- INTEL_I945G_IDS(&gen3_stolen_funcs),
- INTEL_I945GM_IDS(&gen3_stolen_funcs),
- INTEL_VLV_M_IDS(&gen6_stolen_funcs),
- INTEL_VLV_D_IDS(&gen6_stolen_funcs),
- INTEL_PINEVIEW_IDS(&gen3_stolen_funcs),
- INTEL_I965G_IDS(&gen3_stolen_funcs),
- INTEL_G33_IDS(&gen3_stolen_funcs),
- INTEL_I965GM_IDS(&gen3_stolen_funcs),
- INTEL_GM45_IDS(&gen3_stolen_funcs),
- INTEL_G45_IDS(&gen3_stolen_funcs),
- INTEL_IRONLAKE_D_IDS(&gen3_stolen_funcs),
- INTEL_IRONLAKE_M_IDS(&gen3_stolen_funcs),
- INTEL_SNB_D_IDS(&gen6_stolen_funcs),
- INTEL_SNB_M_IDS(&gen6_stolen_funcs),
- INTEL_IVB_M_IDS(&gen6_stolen_funcs),
- INTEL_IVB_D_IDS(&gen6_stolen_funcs),
- INTEL_HSW_D_IDS(&gen6_stolen_funcs),
- INTEL_HSW_M_IDS(&gen6_stolen_funcs),
- INTEL_BDW_M_IDS(&gen8_stolen_funcs),
- INTEL_BDW_D_IDS(&gen8_stolen_funcs),
- INTEL_CHV_IDS(&chv_stolen_funcs),
- INTEL_SKL_IDS(&gen9_stolen_funcs),
- INTEL_BXT_IDS(&gen9_stolen_funcs),
- INTEL_KBL_IDS(&gen9_stolen_funcs),
+static const struct intel_early_ops chv_early_ops __initconst = {
+ .stolen_base = gen3_stolen_base,
+ .stolen_size = chv_stolen_size,
};
-static void __init intel_graphics_stolen(int num, int slot, int func)
+static const struct pci_device_id intel_early_ids[] __initconst = {
+ INTEL_I830_IDS(&i830_early_ops),
+ INTEL_I845G_IDS(&i845_early_ops),
+ INTEL_I85X_IDS(&i85x_early_ops),
+ INTEL_I865G_IDS(&i865_early_ops),
+ INTEL_I915G_IDS(&gen3_early_ops),
+ INTEL_I915GM_IDS(&gen3_early_ops),
+ INTEL_I945G_IDS(&gen3_early_ops),
+ INTEL_I945GM_IDS(&gen3_early_ops),
+ INTEL_VLV_M_IDS(&gen6_early_ops),
+ INTEL_VLV_D_IDS(&gen6_early_ops),
+ INTEL_PINEVIEW_IDS(&gen3_early_ops),
+ INTEL_I965G_IDS(&gen3_early_ops),
+ INTEL_G33_IDS(&gen3_early_ops),
+ INTEL_I965GM_IDS(&gen3_early_ops),
+ INTEL_GM45_IDS(&gen3_early_ops),
+ INTEL_G45_IDS(&gen3_early_ops),
+ INTEL_IRONLAKE_D_IDS(&gen3_early_ops),
+ INTEL_IRONLAKE_M_IDS(&gen3_early_ops),
+ INTEL_SNB_D_IDS(&gen6_early_ops),
+ INTEL_SNB_M_IDS(&gen6_early_ops),
+ INTEL_IVB_M_IDS(&gen6_early_ops),
+ INTEL_IVB_D_IDS(&gen6_early_ops),
+ INTEL_HSW_D_IDS(&gen6_early_ops),
+ INTEL_HSW_M_IDS(&gen6_early_ops),
+ INTEL_BDW_M_IDS(&gen8_early_ops),
+ INTEL_BDW_D_IDS(&gen8_early_ops),
+ INTEL_CHV_IDS(&chv_early_ops),
+ INTEL_SKL_IDS(&gen9_early_ops),
+ INTEL_BXT_IDS(&gen9_early_ops),
+ INTEL_KBL_IDS(&gen9_early_ops),
+};
+
+static void __init
+intel_graphics_stolen(int num, int slot, int func,
+ const struct intel_early_ops *early_ops)
{
+ phys_addr_t base, end;
size_t size;
+
+ size = early_ops->stolen_size(num, slot, func);
+ base = early_ops->stolen_base(num, slot, func, size);
+
+ if (!size || !base)
+ return;
+
+ end = base + size - 1;
+ printk(KERN_INFO "Reserving Intel graphics memory at %pa-%pa\n",
+ &base, &end);
+
+ /* Mark this space as reserved */
+ e820_add_region(base, size, E820_RESERVED);
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+}
+
+static void __init intel_graphics_quirks(int num, int slot, int func)
+{
+ const struct intel_early_ops *early_ops;
+ u16 device;
int i;
- u32 start;
- u16 device, subvendor, subdevice;
device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
- subvendor = read_pci_config_16(num, slot, func,
- PCI_SUBSYSTEM_VENDOR_ID);
- subdevice = read_pci_config_16(num, slot, func, PCI_SUBSYSTEM_ID);
- for (i = 0; i < ARRAY_SIZE(intel_stolen_ids); i++) {
- if (intel_stolen_ids[i].device == device) {
- const struct intel_stolen_funcs *stolen_funcs =
- (const struct intel_stolen_funcs *)intel_stolen_ids[i].driver_data;
- size = stolen_funcs->size(num, slot, func);
- start = stolen_funcs->base(num, slot, func, size);
- if (size && start) {
- printk(KERN_INFO "Reserving Intel graphics stolen memory at 0x%x-0x%x\n",
- start, start + (u32)size - 1);
- /* Mark this space as reserved */
- e820_add_region(start, size, E820_RESERVED);
- sanitize_e820_map(e820.map,
- ARRAY_SIZE(e820.map),
- &e820.nr_map);
- }
- return;
- }
+ for (i = 0; i < ARRAY_SIZE(intel_early_ids); i++) {
+ kernel_ulong_t driver_data = intel_early_ids[i].driver_data;
+
+ if (intel_early_ids[i].device != device)
+ continue;
+
+ early_ops = (typeof(early_ops))driver_data;
+
+ intel_graphics_stolen(num, slot, func, early_ops);
+
+ return;
}
}
@@ -627,7 +611,7 @@
{ PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
{ PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID,
- QFLAG_APPLY_ONCE, intel_graphics_stolen },
+ QFLAG_APPLY_ONCE, intel_graphics_quirks },
/*
* HPET on the current version of the Baytrail platform has accuracy
* problems: it will halt in deep idle state - so we disable it.
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 769af90..7597b42 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -181,19 +181,22 @@
struct kvm_cpuid_entry __user *entries)
{
int r, i;
- struct kvm_cpuid_entry *cpuid_entries;
+ struct kvm_cpuid_entry *cpuid_entries = NULL;
r = -E2BIG;
if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
goto out;
r = -ENOMEM;
- cpuid_entries = vmalloc(sizeof(struct kvm_cpuid_entry) * cpuid->nent);
- if (!cpuid_entries)
- goto out;
- r = -EFAULT;
- if (copy_from_user(cpuid_entries, entries,
- cpuid->nent * sizeof(struct kvm_cpuid_entry)))
- goto out_free;
+ if (cpuid->nent) {
+ cpuid_entries = vmalloc(sizeof(struct kvm_cpuid_entry) *
+ cpuid->nent);
+ if (!cpuid_entries)
+ goto out;
+ r = -EFAULT;
+ if (copy_from_user(cpuid_entries, entries,
+ cpuid->nent * sizeof(struct kvm_cpuid_entry)))
+ goto out;
+ }
for (i = 0; i < cpuid->nent; i++) {
vcpu->arch.cpuid_entries[i].function = cpuid_entries[i].function;
vcpu->arch.cpuid_entries[i].eax = cpuid_entries[i].eax;
@@ -212,9 +215,8 @@
kvm_x86_ops->cpuid_update(vcpu);
r = kvm_update_cpuid(vcpu);
-out_free:
- vfree(cpuid_entries);
out:
+ vfree(cpuid_entries);
return r;
}
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 24e8001..def97b3 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -336,12 +336,12 @@
#ifdef CONFIG_X86_64
static void __set_spte(u64 *sptep, u64 spte)
{
- *sptep = spte;
+ WRITE_ONCE(*sptep, spte);
}
static void __update_clear_spte_fast(u64 *sptep, u64 spte)
{
- *sptep = spte;
+ WRITE_ONCE(*sptep, spte);
}
static u64 __update_clear_spte_slow(u64 *sptep, u64 spte)
@@ -390,7 +390,7 @@
*/
smp_wmb();
- ssptep->spte_low = sspte.spte_low;
+ WRITE_ONCE(ssptep->spte_low, sspte.spte_low);
}
static void __update_clear_spte_fast(u64 *sptep, u64 spte)
@@ -400,7 +400,7 @@
ssptep = (union split_spte *)sptep;
sspte = (union split_spte)spte;
- ssptep->spte_low = sspte.spte_low;
+ WRITE_ONCE(ssptep->spte_low, sspte.spte_low);
/*
* If we map the spte from present to nonpresent, we should clear
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c805cf4..902d9da 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2314,6 +2314,7 @@
case MSR_AMD64_NB_CFG:
case MSR_FAM10H_MMIO_CONF_BASE:
case MSR_AMD64_BU_CFG2:
+ case MSR_IA32_PERF_CTL:
msr_info->data = 0;
break;
case MSR_K7_EVNTSEL0 ... MSR_K7_EVNTSEL3:
@@ -2972,6 +2973,10 @@
| KVM_VCPUEVENT_VALID_SMM))
return -EINVAL;
+ if (events->exception.injected &&
+ (events->exception.nr > 31 || events->exception.nr == NMI_VECTOR))
+ return -EINVAL;
+
process_nmi(vcpu);
vcpu->arch.exception.pending = events->exception.injected;
vcpu->arch.exception.nr = events->exception.nr;
@@ -3036,6 +3041,11 @@
if (dbgregs->flags)
return -EINVAL;
+ if (dbgregs->dr6 & ~0xffffffffull)
+ return -EINVAL;
+ if (dbgregs->dr7 & ~0xffffffffull)
+ return -EINVAL;
+
memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db));
kvm_update_dr0123(vcpu);
vcpu->arch.dr6 = dbgregs->dr6;
@@ -7815,7 +7825,7 @@
slot = id_to_memslot(slots, id);
if (size) {
- if (WARN_ON(slot->npages))
+ if (slot->npages)
return -EEXIST;
/*
diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig
index e28e912..331f6ba 100644
--- a/crypto/asymmetric_keys/Kconfig
+++ b/crypto/asymmetric_keys/Kconfig
@@ -13,6 +13,7 @@
tristate "Asymmetric public-key crypto algorithm subtype"
select MPILIB
select CRYPTO_HASH_INFO
+ select CRYPTO_AKCIPHER
help
This option provides support for asymmetric public key type handling.
If signature generation and/or verification are to be used,
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index 0d92d0f..c7ba948 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -331,15 +331,6 @@
pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
pr->pblk = object.processor.pblk_address;
-
- /*
- * We don't care about error returns - we just try to mark
- * these reserved so that nobody else is confused into thinking
- * that this region might be unused..
- *
- * (In particular, allocating the IO range for Cardbus)
- */
- request_region(pr->throttling.address, 6, "ACPI CPU throttle");
}
/*
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 3d5b8a0..c1d138e 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -754,7 +754,8 @@
}
int acpi_video_get_levels(struct acpi_device *device,
- struct acpi_video_device_brightness **dev_br)
+ struct acpi_video_device_brightness **dev_br,
+ int *pmax_level)
{
union acpi_object *obj = NULL;
int i, max_level = 0, count = 0, level_ac_battery = 0;
@@ -841,6 +842,8 @@
br->count = count;
*dev_br = br;
+ if (pmax_level)
+ *pmax_level = max_level;
out:
kfree(obj);
@@ -869,7 +872,7 @@
struct acpi_video_device_brightness *br = NULL;
int result = -EINVAL;
- result = acpi_video_get_levels(device->dev, &br);
+ result = acpi_video_get_levels(device->dev, &br, &max_level);
if (result)
return result;
device->brightness = br;
@@ -1737,7 +1740,7 @@
mutex_lock(&video->device_list_lock);
list_for_each_entry(dev, &video->video_device_list, entry) {
- if (!acpi_video_device_lcd_query_levels(dev, &levels))
+ if (!acpi_video_device_lcd_query_levels(dev->dev->handle, &levels))
kfree(levels);
}
mutex_unlock(&video->device_list_lock);
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index 0f18dbc..daceb80 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -83,27 +83,22 @@
static u8
acpi_hw_get_access_bit_width(struct acpi_generic_address *reg, u8 max_bit_width)
{
- u64 address;
-
if (!reg->access_width) {
+ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
+ max_bit_width = 32;
+ }
+
/*
* Detect old register descriptors where only the bit_width field
- * makes senses. The target address is copied to handle possible
- * alignment issues.
+ * makes senses.
*/
- ACPI_MOVE_64_TO_64(&address, ®->address);
- if (!reg->bit_offset && reg->bit_width &&
+ if (reg->bit_width < max_bit_width &&
+ !reg->bit_offset && reg->bit_width &&
ACPI_IS_POWER_OF_TWO(reg->bit_width) &&
- ACPI_IS_ALIGNED(reg->bit_width, 8) &&
- ACPI_IS_ALIGNED(address, reg->bit_width)) {
+ ACPI_IS_ALIGNED(reg->bit_width, 8)) {
return (reg->bit_width);
- } else {
- if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
- return (32);
- } else {
- return (max_bit_width);
- }
}
+ return (max_bit_width);
} else {
return (1 << (reg->access_width + 2));
}
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index f170d74..c72e648 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -676,6 +676,15 @@
if (!pr->flags.throttling)
return -ENODEV;
+ /*
+ * We don't care about error returns - we just try to mark
+ * these reserved so that nobody else is confused into thinking
+ * that this region might be unused..
+ *
+ * (In particular, allocating the IO range for Cardbus)
+ */
+ request_region(pr->throttling.address, 6, "ACPI CPU throttle");
+
pr->throttling.state = 0;
duty_mask = pr->throttling.state_count - 1;
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index a969a7e..85aaf22 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -181,13 +181,17 @@
"reserved 27",
"reserved 28",
"reserved 29",
- "reserved 30",
+ "reserved 30", /* FIXME: The strings between 30-40 might be wrong. */
"reassembly abort: no buffers",
"receive buffer overflow",
"change in GFC",
"receive buffer full",
"low priority discard - no receive descriptor",
"low priority discard - missing end of packet",
+ "reserved 37",
+ "reserved 38",
+ "reserved 39",
+ "reseverd 40",
"reserved 41",
"reserved 42",
"reserved 43",
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 7d00f29..809dd1e 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -1128,7 +1128,7 @@
/* make the ptr point to the corresponding buffer desc entry */
buf_desc_ptr += desc;
if (!desc || (desc > iadev->num_rx_desc) ||
- ((buf_desc_ptr->vc_index & 0xffff) > iadev->num_vc)) {
+ ((buf_desc_ptr->vc_index & 0xffff) >= iadev->num_vc)) {
free_desc(dev, desc);
IF_ERR(printk("IA: bad descriptor desc = %d \n", desc);)
return -1;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 36bc11a..9009295 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1832,7 +1832,7 @@
unsigned int cpufreq_driver_fast_switch(struct cpufreq_policy *policy,
unsigned int target_freq)
{
- clamp_val(target_freq, policy->min, policy->max);
+ target_freq = clamp_val(target_freq, policy->min, policy->max);
return cpufreq_driver->fast_switch(policy, target_freq);
}
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 3a9c432..0d159b5 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -449,7 +449,7 @@
cpu->acpi_perf_data.states[0].core_frequency =
policy->cpuinfo.max_freq / 1000;
cpu->valid_pss_table = true;
- pr_info("_PPC limits will be enforced\n");
+ pr_debug("_PPC limits will be enforced\n");
return;
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-xts.c b/drivers/crypto/ccp/ccp-crypto-aes-xts.c
index 52c7395..0d0d452 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-xts.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-xts.c
@@ -122,6 +122,7 @@
struct ccp_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct ccp_aes_req_ctx *rctx = ablkcipher_request_ctx(req);
unsigned int unit;
+ u32 unit_size;
int ret;
if (!ctx->u.aes.key_len)
@@ -133,11 +134,17 @@
if (!req->info)
return -EINVAL;
- for (unit = 0; unit < ARRAY_SIZE(unit_size_map); unit++)
- if (!(req->nbytes & (unit_size_map[unit].size - 1)))
- break;
+ unit_size = CCP_XTS_AES_UNIT_SIZE__LAST;
+ if (req->nbytes <= unit_size_map[0].size) {
+ for (unit = 0; unit < ARRAY_SIZE(unit_size_map); unit++) {
+ if (!(req->nbytes & (unit_size_map[unit].size - 1))) {
+ unit_size = unit_size_map[unit].value;
+ break;
+ }
+ }
+ }
- if ((unit_size_map[unit].value == CCP_XTS_AES_UNIT_SIZE__LAST) ||
+ if ((unit_size == CCP_XTS_AES_UNIT_SIZE__LAST) ||
(ctx->u.aes.key_len != AES_KEYSIZE_128)) {
/* Use the fallback to process the request for any
* unsupported unit sizes or key sizes
@@ -158,7 +165,7 @@
rctx->cmd.engine = CCP_ENGINE_XTS_AES_128;
rctx->cmd.u.xts.action = (encrypt) ? CCP_AES_ACTION_ENCRYPT
: CCP_AES_ACTION_DECRYPT;
- rctx->cmd.u.xts.unit_size = unit_size_map[unit].value;
+ rctx->cmd.u.xts.unit_size = unit_size;
rctx->cmd.u.xts.key = &ctx->u.aes.key_sg;
rctx->cmd.u.xts.key_len = ctx->u.aes.key_len;
rctx->cmd.u.xts.iv = &rctx->iv_sg;
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 6eefaa2..63464e8 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -1986,7 +1986,7 @@
&dd->pdata->algs_info[i].algs_list[j]);
err_pm:
pm_runtime_disable(dev);
- if (dd->polling_mode)
+ if (!dd->polling_mode)
dma_release_channel(dd->dma_lch);
data_err:
dev_err(dev, "initialization failed.\n");
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 4a2c07e..6355ab3 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -33,6 +33,7 @@
#include <linux/seq_file.h>
#include <linux/poll.h>
#include <linux/reservation.h>
+#include <linux/mm.h>
#include <uapi/linux/dma-buf.h>
@@ -90,7 +91,7 @@
dmabuf = file->private_data;
/* check for overflowing the buffer's size */
- if (vma->vm_pgoff + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) >
+ if (vma->vm_pgoff + vma_pages(vma) >
dmabuf->size >> PAGE_SHIFT)
return -EINVAL;
@@ -723,11 +724,11 @@
return -EINVAL;
/* check for offset overflow */
- if (pgoff + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) < pgoff)
+ if (pgoff + vma_pages(vma) < pgoff)
return -EOVERFLOW;
/* check for overflowing the buffer's size */
- if (pgoff + ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) >
+ if (pgoff + vma_pages(vma) >
dmabuf->size >> PAGE_SHIFT)
return -EINVAL;
diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index c0bd572..9566a62 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -35,6 +35,17 @@
#include <linux/reservation.h>
#include <linux/export.h>
+/**
+ * DOC: Reservation Object Overview
+ *
+ * The reservation object provides a mechanism to manage shared and
+ * exclusive fences associated with a buffer. A reservation object
+ * can have attached one exclusive fence (normally associated with
+ * write operations) or N shared fences (read operations). The RCU
+ * mechanism is used to protect read access to fences from locked
+ * write-side updates.
+ */
+
DEFINE_WW_CLASS(reservation_ww_class);
EXPORT_SYMBOL(reservation_ww_class);
@@ -43,9 +54,17 @@
const char reservation_seqcount_string[] = "reservation_seqcount";
EXPORT_SYMBOL(reservation_seqcount_string);
-/*
- * Reserve space to add a shared fence to a reservation_object,
- * must be called with obj->lock held.
+
+/**
+ * reservation_object_reserve_shared - Reserve space to add a shared
+ * fence to a reservation_object.
+ * @obj: reservation object
+ *
+ * Should be called before reservation_object_add_shared_fence(). Must
+ * be called with obj->lock held.
+ *
+ * RETURNS
+ * Zero for success, or -errno
*/
int reservation_object_reserve_shared(struct reservation_object *obj)
{
@@ -180,7 +199,11 @@
fence_put(old_fence);
}
-/*
+/**
+ * reservation_object_add_shared_fence - Add a fence to a shared slot
+ * @obj: the reservation object
+ * @fence: the shared fence to add
+ *
* Add a fence to a shared slot, obj->lock must be held, and
* reservation_object_reserve_shared_fence has been called.
*/
@@ -200,6 +223,13 @@
}
EXPORT_SYMBOL(reservation_object_add_shared_fence);
+/**
+ * reservation_object_add_excl_fence - Add an exclusive fence.
+ * @obj: the reservation object
+ * @fence: the shared fence to add
+ *
+ * Add a fence to the exclusive slot. The obj->lock must be held.
+ */
void reservation_object_add_excl_fence(struct reservation_object *obj,
struct fence *fence)
{
@@ -233,6 +263,18 @@
}
EXPORT_SYMBOL(reservation_object_add_excl_fence);
+/**
+ * reservation_object_get_fences_rcu - Get an object's shared and exclusive
+ * fences without update side lock held
+ * @obj: the reservation object
+ * @pfence_excl: the returned exclusive fence (or NULL)
+ * @pshared_count: the number of shared fences returned
+ * @pshared: the array of shared fence ptrs returned (array is krealloc'd to
+ * the required size, and must be freed by caller)
+ *
+ * RETURNS
+ * Zero or -errno
+ */
int reservation_object_get_fences_rcu(struct reservation_object *obj,
struct fence **pfence_excl,
unsigned *pshared_count,
@@ -319,6 +361,18 @@
}
EXPORT_SYMBOL_GPL(reservation_object_get_fences_rcu);
+/**
+ * reservation_object_wait_timeout_rcu - Wait on reservation's objects
+ * shared and/or exclusive fences.
+ * @obj: the reservation object
+ * @wait_all: if true, wait on all fences, else wait on just exclusive fence
+ * @intr: if true, do interruptible wait
+ * @timeout: timeout value in jiffies or zero to return immediately
+ *
+ * RETURNS
+ * Returns -ERESTARTSYS if interrupted, 0 if the wait timed out, or
+ * greater than zer on success.
+ */
long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
bool wait_all, bool intr,
unsigned long timeout)
@@ -416,6 +470,16 @@
return ret;
}
+/**
+ * reservation_object_test_signaled_rcu - Test if a reservation object's
+ * fences have been signaled.
+ * @obj: the reservation object
+ * @test_all: if true, test all fences, otherwise only test the exclusive
+ * fence
+ *
+ * RETURNS
+ * true if all fences signaled, else false
+ */
bool reservation_object_test_signaled_rcu(struct reservation_object *obj,
bool test_all)
{
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index d39014d..fc5f197 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -29,7 +29,6 @@
#include <mach/hardware.h>
#include <mach/platform.h>
-#include <mach/irqs.h>
#define LPC32XX_GPIO_P3_INP_STATE _GPREG(0x000)
#define LPC32XX_GPIO_P3_OUTP_SET _GPREG(0x004)
@@ -371,61 +370,16 @@
static int lpc32xx_gpio_to_irq_p01(struct gpio_chip *chip, unsigned offset)
{
- return IRQ_LPC32XX_P0_P1_IRQ;
-}
-
-static const char lpc32xx_gpio_to_irq_gpio_p3_table[] = {
- IRQ_LPC32XX_GPIO_00,
- IRQ_LPC32XX_GPIO_01,
- IRQ_LPC32XX_GPIO_02,
- IRQ_LPC32XX_GPIO_03,
- IRQ_LPC32XX_GPIO_04,
- IRQ_LPC32XX_GPIO_05,
-};
-
-static int lpc32xx_gpio_to_irq_gpio_p3(struct gpio_chip *chip, unsigned offset)
-{
- if (offset < ARRAY_SIZE(lpc32xx_gpio_to_irq_gpio_p3_table))
- return lpc32xx_gpio_to_irq_gpio_p3_table[offset];
return -ENXIO;
}
-static const char lpc32xx_gpio_to_irq_gpi_p3_table[] = {
- IRQ_LPC32XX_GPI_00,
- IRQ_LPC32XX_GPI_01,
- IRQ_LPC32XX_GPI_02,
- IRQ_LPC32XX_GPI_03,
- IRQ_LPC32XX_GPI_04,
- IRQ_LPC32XX_GPI_05,
- IRQ_LPC32XX_GPI_06,
- IRQ_LPC32XX_GPI_07,
- IRQ_LPC32XX_GPI_08,
- IRQ_LPC32XX_GPI_09,
- -ENXIO, /* 10 */
- -ENXIO, /* 11 */
- -ENXIO, /* 12 */
- -ENXIO, /* 13 */
- -ENXIO, /* 14 */
- -ENXIO, /* 15 */
- -ENXIO, /* 16 */
- -ENXIO, /* 17 */
- -ENXIO, /* 18 */
- IRQ_LPC32XX_GPI_19,
- -ENXIO, /* 20 */
- -ENXIO, /* 21 */
- -ENXIO, /* 22 */
- -ENXIO, /* 23 */
- -ENXIO, /* 24 */
- -ENXIO, /* 25 */
- -ENXIO, /* 26 */
- -ENXIO, /* 27 */
- IRQ_LPC32XX_GPI_28,
-};
+static int lpc32xx_gpio_to_irq_gpio_p3(struct gpio_chip *chip, unsigned offset)
+{
+ return -ENXIO;
+}
static int lpc32xx_gpio_to_irq_gpi_p3(struct gpio_chip *chip, unsigned offset)
{
- if (offset < ARRAY_SIZE(lpc32xx_gpio_to_irq_gpi_p3_table))
- return lpc32xx_gpio_to_irq_gpi_p3_table[offset];
return -ENXIO;
}
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d407f904..24f60d2 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -20,6 +20,7 @@
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
+#include <linux/compat.h>
#include <uapi/linux/gpio.h>
#include "gpiolib.h"
@@ -316,7 +317,7 @@
{
struct gpio_device *gdev = filp->private_data;
struct gpio_chip *chip = gdev->chip;
- int __user *ip = (int __user *)arg;
+ void __user *ip = (void __user *)arg;
/* We fail any subsequent ioctl():s when the chip is gone */
if (!chip)
@@ -388,6 +389,14 @@
return -EINVAL;
}
+#ifdef CONFIG_COMPAT
+static long gpio_ioctl_compat(struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ return gpio_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
/**
* gpio_chrdev_open() - open the chardev for ioctl operations
* @inode: inode for this chardev
@@ -431,7 +440,9 @@
.owner = THIS_MODULE,
.llseek = noop_llseek,
.unlocked_ioctl = gpio_ioctl,
- .compat_ioctl = gpio_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = gpio_ioctl_compat,
+#endif
};
static void gpiodevice_release(struct device *dev)
@@ -618,6 +629,8 @@
goto err_free_label;
}
+ spin_unlock_irqrestore(&gpio_lock, flags);
+
for (i = 0; i < chip->ngpio; i++) {
struct gpio_desc *desc = &gdev->descs[i];
@@ -649,8 +662,6 @@
}
}
- spin_unlock_irqrestore(&gpio_lock, flags);
-
#ifdef CONFIG_PINCTRL
INIT_LIST_HEAD(&gdev->pin_ranges);
#endif
@@ -1356,10 +1367,13 @@
/*
* This descriptor validation needs to be inserted verbatim into each
* function taking a descriptor, so we need to use a preprocessor
- * macro to avoid endless duplication.
+ * macro to avoid endless duplication. If the desc is NULL it is an
+ * optional GPIO and calls should just bail out.
*/
#define VALIDATE_DESC(desc) do { \
- if (!desc || !desc->gdev) { \
+ if (!desc) \
+ return 0; \
+ if (!desc->gdev) { \
pr_warn("%s: invalid GPIO\n", __func__); \
return -EINVAL; \
} \
@@ -1370,7 +1384,9 @@
} } while (0)
#define VALIDATE_DESC_VOID(desc) do { \
- if (!desc || !desc->gdev) { \
+ if (!desc) \
+ return; \
+ if (!desc->gdev) { \
pr_warn("%s: invalid GPIO\n", __func__); \
return; \
} \
@@ -2066,17 +2082,30 @@
*/
int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset)
{
- if (offset >= chip->ngpio)
- return -EINVAL;
+ struct gpio_desc *desc;
- if (test_bit(FLAG_IS_OUT, &chip->gpiodev->descs[offset].flags)) {
+ desc = gpiochip_get_desc(chip, offset);
+ if (IS_ERR(desc))
+ return PTR_ERR(desc);
+
+ /* Flush direction if something changed behind our back */
+ if (chip->get_direction) {
+ int dir = chip->get_direction(chip, offset);
+
+ if (dir)
+ clear_bit(FLAG_IS_OUT, &desc->flags);
+ else
+ set_bit(FLAG_IS_OUT, &desc->flags);
+ }
+
+ if (test_bit(FLAG_IS_OUT, &desc->flags)) {
chip_err(chip,
"%s: tried to flag a GPIO set as output for IRQ\n",
__func__);
return -EIO;
}
- set_bit(FLAG_USED_AS_IRQ, &chip->gpiodev->descs[offset].flags);
+ set_bit(FLAG_USED_AS_IRQ, &desc->flags);
return 0;
}
EXPORT_SYMBOL_GPL(gpiochip_lock_as_irq);
diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index fef1b04..0813c2f 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -33,8 +33,17 @@
*
*/
+static void hdlcd_crtc_cleanup(struct drm_crtc *crtc)
+{
+ struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
+
+ /* stop the controller on cleanup */
+ hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
+ drm_crtc_cleanup(crtc);
+}
+
static const struct drm_crtc_funcs hdlcd_crtc_funcs = {
- .destroy = drm_crtc_cleanup,
+ .destroy = hdlcd_crtc_cleanup,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.reset = drm_atomic_helper_crtc_reset,
@@ -97,7 +106,7 @@
struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
struct drm_display_mode *m = &crtc->state->adjusted_mode;
struct videomode vm;
- unsigned int polarities, line_length, err;
+ unsigned int polarities, err;
vm.vfront_porch = m->crtc_vsync_start - m->crtc_vdisplay;
vm.vback_porch = m->crtc_vtotal - m->crtc_vsync_end;
@@ -113,23 +122,18 @@
if (m->flags & DRM_MODE_FLAG_PVSYNC)
polarities |= HDLCD_POLARITY_VSYNC;
- line_length = crtc->primary->state->fb->pitches[0];
-
/* Allow max number of outstanding requests and largest burst size */
hdlcd_write(hdlcd, HDLCD_REG_BUS_OPTIONS,
HDLCD_BUS_MAX_OUTSTAND | HDLCD_BUS_BURST_16);
- hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_LENGTH, line_length);
- hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_PITCH, line_length);
- hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_COUNT, m->crtc_vdisplay - 1);
hdlcd_write(hdlcd, HDLCD_REG_V_DATA, m->crtc_vdisplay - 1);
hdlcd_write(hdlcd, HDLCD_REG_V_BACK_PORCH, vm.vback_porch - 1);
hdlcd_write(hdlcd, HDLCD_REG_V_FRONT_PORCH, vm.vfront_porch - 1);
hdlcd_write(hdlcd, HDLCD_REG_V_SYNC, vm.vsync_len - 1);
+ hdlcd_write(hdlcd, HDLCD_REG_H_DATA, m->crtc_hdisplay - 1);
hdlcd_write(hdlcd, HDLCD_REG_H_BACK_PORCH, vm.hback_porch - 1);
hdlcd_write(hdlcd, HDLCD_REG_H_FRONT_PORCH, vm.hfront_porch - 1);
hdlcd_write(hdlcd, HDLCD_REG_H_SYNC, vm.hsync_len - 1);
- hdlcd_write(hdlcd, HDLCD_REG_H_DATA, m->crtc_hdisplay - 1);
hdlcd_write(hdlcd, HDLCD_REG_POLARITIES, polarities);
err = hdlcd_set_pxl_fmt(crtc);
@@ -144,20 +148,19 @@
struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
clk_prepare_enable(hdlcd->clk);
+ hdlcd_crtc_mode_set_nofb(crtc);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 1);
- drm_crtc_vblank_on(crtc);
}
static void hdlcd_crtc_disable(struct drm_crtc *crtc)
{
struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
- if (!crtc->primary->fb)
+ if (!crtc->state->active)
return;
- clk_disable_unprepare(hdlcd->clk);
hdlcd_write(hdlcd, HDLCD_REG_COMMAND, 0);
- drm_crtc_vblank_off(crtc);
+ clk_disable_unprepare(hdlcd->clk);
}
static int hdlcd_crtc_atomic_check(struct drm_crtc *crtc,
@@ -179,20 +182,17 @@
static void hdlcd_crtc_atomic_begin(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
- struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
- unsigned long flags;
+ struct drm_pending_vblank_event *event = crtc->state->event;
- if (crtc->state->event) {
- struct drm_pending_vblank_event *event = crtc->state->event;
-
+ if (event) {
crtc->state->event = NULL;
- event->pipe = drm_crtc_index(crtc);
- WARN_ON(drm_crtc_vblank_get(crtc) != 0);
-
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
- list_add_tail(&event->base.link, &hdlcd->event_list);
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+ spin_lock_irq(&crtc->dev->event_lock);
+ if (drm_crtc_vblank_get(crtc) == 0)
+ drm_crtc_arm_vblank_event(crtc, event);
+ else
+ drm_crtc_send_vblank_event(crtc, event);
+ spin_unlock_irq(&crtc->dev->event_lock);
}
}
@@ -225,6 +225,15 @@
static int hdlcd_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
+ u32 src_w, src_h;
+
+ src_w = state->src_w >> 16;
+ src_h = state->src_h >> 16;
+
+ /* we can't do any scaling of the plane source */
+ if ((src_w != state->crtc_w) || (src_h != state->crtc_h))
+ return -EINVAL;
+
return 0;
}
@@ -233,20 +242,31 @@
{
struct hdlcd_drm_private *hdlcd;
struct drm_gem_cma_object *gem;
+ unsigned int depth, bpp;
+ u32 src_w, src_h, dest_w, dest_h;
dma_addr_t scanout_start;
- if (!plane->state->crtc || !plane->state->fb)
+ if (!plane->state->fb)
return;
- hdlcd = crtc_to_hdlcd_priv(plane->state->crtc);
+ drm_fb_get_bpp_depth(plane->state->fb->pixel_format, &depth, &bpp);
+ src_w = plane->state->src_w >> 16;
+ src_h = plane->state->src_h >> 16;
+ dest_w = plane->state->crtc_w;
+ dest_h = plane->state->crtc_h;
gem = drm_fb_cma_get_gem_obj(plane->state->fb, 0);
- scanout_start = gem->paddr;
+ scanout_start = gem->paddr + plane->state->fb->offsets[0] +
+ plane->state->crtc_y * plane->state->fb->pitches[0] +
+ plane->state->crtc_x * bpp / 8;
+
+ hdlcd = plane->dev->dev_private;
+ hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_LENGTH, plane->state->fb->pitches[0]);
+ hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_PITCH, plane->state->fb->pitches[0]);
+ hdlcd_write(hdlcd, HDLCD_REG_FB_LINE_COUNT, dest_h - 1);
hdlcd_write(hdlcd, HDLCD_REG_FB_BASE, scanout_start);
}
static const struct drm_plane_helper_funcs hdlcd_plane_helper_funcs = {
- .prepare_fb = NULL,
- .cleanup_fb = NULL,
.atomic_check = hdlcd_plane_atomic_check,
.atomic_update = hdlcd_plane_atomic_update,
};
@@ -294,16 +314,6 @@
return plane;
}
-void hdlcd_crtc_suspend(struct drm_crtc *crtc)
-{
- hdlcd_crtc_disable(crtc);
-}
-
-void hdlcd_crtc_resume(struct drm_crtc *crtc)
-{
- hdlcd_crtc_enable(crtc);
-}
-
int hdlcd_setup_crtc(struct drm_device *drm)
{
struct hdlcd_drm_private *hdlcd = drm->dev_private;
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index b987c63..49e586d 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -49,8 +49,6 @@
atomic_set(&hdlcd->dma_end_count, 0);
#endif
- INIT_LIST_HEAD(&hdlcd->event_list);
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
hdlcd->mmio = devm_ioremap_resource(drm->dev, res);
if (IS_ERR(hdlcd->mmio)) {
@@ -84,11 +82,7 @@
goto setup_fail;
}
- pm_runtime_enable(drm->dev);
-
- pm_runtime_get_sync(drm->dev);
ret = drm_irq_install(drm, platform_get_irq(pdev, 0));
- pm_runtime_put_sync(drm->dev);
if (ret < 0) {
DRM_ERROR("failed to install IRQ handler\n");
goto irq_fail;
@@ -164,24 +158,9 @@
atomic_inc(&hdlcd->vsync_count);
#endif
- if (irq_status & HDLCD_INTERRUPT_VSYNC) {
- bool events_sent = false;
- unsigned long flags;
- struct drm_pending_vblank_event *e, *t;
-
+ if (irq_status & HDLCD_INTERRUPT_VSYNC)
drm_crtc_handle_vblank(&hdlcd->crtc);
- spin_lock_irqsave(&drm->event_lock, flags);
- list_for_each_entry_safe(e, t, &hdlcd->event_list, base.link) {
- list_del(&e->base.link);
- drm_crtc_send_vblank_event(&hdlcd->crtc, e);
- events_sent = true;
- }
- if (events_sent)
- drm_crtc_vblank_put(&hdlcd->crtc);
- spin_unlock_irqrestore(&drm->event_lock, flags);
- }
-
/* acknowledge interrupt(s) */
hdlcd_write(hdlcd, HDLCD_REG_INT_CLEAR, irq_status);
@@ -275,6 +254,7 @@
static struct drm_info_list hdlcd_debugfs_list[] = {
{ "interrupt_count", hdlcd_show_underrun_count, 0 },
{ "clocks", hdlcd_show_pxlclock, 0 },
+ { "fb", drm_fb_cma_debugfs_show, 0 },
};
static int hdlcd_debugfs_init(struct drm_minor *minor)
@@ -316,7 +296,7 @@
.get_vblank_counter = drm_vblank_no_hw_counter,
.enable_vblank = hdlcd_enable_vblank,
.disable_vblank = hdlcd_disable_vblank,
- .gem_free_object = drm_gem_cma_free_object,
+ .gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = drm_gem_cma_dumb_create,
.dumb_map_offset = drm_gem_cma_dumb_map_offset,
@@ -357,6 +337,8 @@
return -ENOMEM;
drm->dev_private = hdlcd;
+ dev_set_drvdata(dev, drm);
+
hdlcd_setup_mode_config(drm);
ret = hdlcd_load(drm, 0);
if (ret)
@@ -366,14 +348,18 @@
if (ret)
goto err_unload;
- dev_set_drvdata(dev, drm);
-
ret = component_bind_all(dev, drm);
if (ret) {
DRM_ERROR("Failed to bind all components\n");
goto err_unregister;
}
+ ret = pm_runtime_set_active(dev);
+ if (ret)
+ goto err_pm_active;
+
+ pm_runtime_enable(dev);
+
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
if (ret < 0) {
DRM_ERROR("failed to initialise vblank\n");
@@ -399,16 +385,16 @@
drm_mode_config_cleanup(drm);
drm_vblank_cleanup(drm);
err_vblank:
+ pm_runtime_disable(drm->dev);
+err_pm_active:
component_unbind_all(dev, drm);
err_unregister:
drm_dev_unregister(drm);
err_unload:
- pm_runtime_get_sync(drm->dev);
drm_irq_uninstall(drm);
- pm_runtime_put_sync(drm->dev);
- pm_runtime_disable(drm->dev);
of_reserved_mem_device_release(drm->dev);
err_free:
+ dev_set_drvdata(dev, NULL);
drm_dev_unref(drm);
return ret;
@@ -495,30 +481,34 @@
static int __maybe_unused hdlcd_pm_suspend(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct drm_crtc *crtc;
+ struct hdlcd_drm_private *hdlcd = drm ? drm->dev_private : NULL;
- if (pm_runtime_suspended(dev))
+ if (!hdlcd)
return 0;
- drm_modeset_lock_all(drm);
- list_for_each_entry(crtc, &drm->mode_config.crtc_list, head)
- hdlcd_crtc_suspend(crtc);
- drm_modeset_unlock_all(drm);
+ drm_kms_helper_poll_disable(drm);
+
+ hdlcd->state = drm_atomic_helper_suspend(drm);
+ if (IS_ERR(hdlcd->state)) {
+ drm_kms_helper_poll_enable(drm);
+ return PTR_ERR(hdlcd->state);
+ }
+
return 0;
}
static int __maybe_unused hdlcd_pm_resume(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct drm_crtc *crtc;
+ struct hdlcd_drm_private *hdlcd = drm ? drm->dev_private : NULL;
- if (!pm_runtime_suspended(dev))
+ if (!hdlcd)
return 0;
- drm_modeset_lock_all(drm);
- list_for_each_entry(crtc, &drm->mode_config.crtc_list, head)
- hdlcd_crtc_resume(crtc);
- drm_modeset_unlock_all(drm);
+ drm_atomic_helper_resume(drm, hdlcd->state);
+ drm_kms_helper_poll_enable(drm);
+ pm_runtime_set_active(dev);
+
return 0;
}
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.h b/drivers/gpu/drm/arm/hdlcd_drv.h
index aa23478..e3950a0 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.h
+++ b/drivers/gpu/drm/arm/hdlcd_drv.h
@@ -9,10 +9,9 @@
void __iomem *mmio;
struct clk *clk;
struct drm_fbdev_cma *fbdev;
- struct drm_framebuffer *fb;
- struct list_head event_list;
struct drm_crtc crtc;
struct drm_plane *plane;
+ struct drm_atomic_state *state;
#ifdef CONFIG_DEBUG_FS
atomic_t buffer_underrun_count;
atomic_t bus_error_count;
@@ -36,7 +35,5 @@
int hdlcd_setup_crtc(struct drm_device *dev);
void hdlcd_set_scanout(struct hdlcd_drm_private *hdlcd);
-void hdlcd_crtc_suspend(struct drm_crtc *crtc);
-void hdlcd_crtc_resume(struct drm_crtc *crtc);
#endif /* __HDLCD_DRV_H__ */
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
index cf23a75..bd12231 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c
@@ -391,12 +391,11 @@
{
struct atmel_hlcdc_crtc_state *state;
- if (crtc->state && crtc->state->mode_blob)
- drm_property_unreference_blob(crtc->state->mode_blob);
-
if (crtc->state) {
+ __drm_atomic_helper_crtc_destroy_state(crtc->state);
state = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state);
kfree(state);
+ crtc->state = NULL;
}
state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -415,8 +414,9 @@
return NULL;
state = kmalloc(sizeof(*state), GFP_KERNEL);
- if (state)
- __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
+ if (!state)
+ return NULL;
+ __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
cur = drm_crtc_state_to_atmel_hlcdc_crtc_state(crtc->state);
state->output_mode = cur->output_mode;
diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c
index d3d8d7b..0b1a411 100644
--- a/drivers/gpu/drm/cirrus/cirrus_mode.c
+++ b/drivers/gpu/drm/cirrus/cirrus_mode.c
@@ -331,9 +331,6 @@
struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc);
int i;
- if (size != CIRRUS_LUT_SIZE)
- return;
-
for (i = 0; i < CIRRUS_LUT_SIZE; i++) {
cirrus_crtc->lut_r[i] = red[i];
cirrus_crtc->lut_g[i] = green[i];
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index ddfa0d1..939df90 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -414,6 +414,9 @@
for_each_crtc_in_state(state, crtc, crtc_state, i) {
const struct drm_crtc_helper_funcs *funcs;
+ if (!crtc_state->enable)
+ continue;
+
if (!crtc_state->mode_changed &&
!crtc_state->connectors_changed)
continue;
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 0e3cc66..1e28eee 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -5138,6 +5138,9 @@
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size)
{
+ uint16_t *r_base, *g_base, *b_base;
+ int i;
+
crtc->gamma_size = gamma_size;
crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3,
@@ -5147,6 +5150,16 @@
return -ENOMEM;
}
+ r_base = crtc->gamma_store;
+ g_base = r_base + gamma_size;
+ b_base = g_base + gamma_size;
+ for (i = 0; i < gamma_size; i++) {
+ r_base[i] = i << 8;
+ g_base[i] = i << 8;
+ b_base[i] = i << 8;
+ }
+
+
return 0;
}
EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c
index 9a401ae..622f788 100644
--- a/drivers/gpu/drm/drm_edid_load.c
+++ b/drivers/gpu/drm/drm_edid_load.c
@@ -271,7 +271,7 @@
* by commas, search through the list looking for one that
* matches the connector.
*
- * If there's one or more that don't't specify a connector, keep
+ * If there's one or more that doesn't specify a connector, keep
* the last one found one as a fallback.
*/
fwstr = kstrdup(edid_firmware, GFP_KERNEL);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 7c2eb75..7590df5 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1042,7 +1042,6 @@
{
struct drm_fb_helper *fb_helper = info->par;
struct drm_framebuffer *fb = fb_helper->fb;
- int pindex;
if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
u32 *palette;
@@ -1074,38 +1073,10 @@
!fb_helper->funcs->gamma_get))
return -EINVAL;
- pindex = regno;
+ WARN_ON(fb->bits_per_pixel != 8);
- if (fb->bits_per_pixel == 16) {
- pindex = regno << 3;
+ fb_helper->funcs->gamma_set(crtc, red, green, blue, regno);
- if (fb->depth == 16 && regno > 63)
- return -EINVAL;
- if (fb->depth == 15 && regno > 31)
- return -EINVAL;
-
- if (fb->depth == 16) {
- u16 r, g, b;
- int i;
- if (regno < 32) {
- for (i = 0; i < 8; i++)
- fb_helper->funcs->gamma_set(crtc, red,
- green, blue, pindex + i);
- }
-
- fb_helper->funcs->gamma_get(crtc, &r,
- &g, &b,
- pindex >> 1);
-
- for (i = 0; i < 4; i++)
- fb_helper->funcs->gamma_set(crtc, r,
- green, b,
- (pindex >> 1) + i);
- }
- }
-
- if (fb->depth != 16)
- fb_helper->funcs->gamma_set(crtc, red, green, blue, pindex);
return 0;
}
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 0fac801..5a773e4 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -42,10 +42,6 @@
#include <linux/vgaarb.h>
#include <linux/export.h>
-/* Access macro for slots in vblank timestamp ringbuffer. */
-#define vblanktimestamp(dev, pipe, count) \
- ((dev)->vblank[pipe].time[(count) % DRM_VBLANKTIME_RBSIZE])
-
/* Retry timestamp calculation up to 3 times to satisfy
* drm_timestamp_precision before giving up.
*/
@@ -82,29 +78,15 @@
struct timeval *t_vblank, u32 last)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
- u32 tslot;
assert_spin_locked(&dev->vblank_time_lock);
vblank->last = last;
- /* All writers hold the spinlock, but readers are serialized by
- * the latching of vblank->count below.
- */
- tslot = vblank->count + vblank_count_inc;
- vblanktimestamp(dev, pipe, tslot) = *t_vblank;
-
- /*
- * vblank timestamp updates are protected on the write side with
- * vblank_time_lock, but on the read side done locklessly using a
- * sequence-lock on the vblank counter. Ensure correct ordering using
- * memory barrriers. We need the barrier both before and also after the
- * counter update to synchronize with the next timestamp write.
- * The read-side barriers for this are in drm_vblank_count_and_time.
- */
- smp_wmb();
+ write_seqlock(&vblank->seqlock);
+ vblank->time = *t_vblank;
vblank->count += vblank_count_inc;
- smp_wmb();
+ write_sequnlock(&vblank->seqlock);
}
/**
@@ -205,7 +187,7 @@
const struct timeval *t_old;
u64 diff_ns;
- t_old = &vblanktimestamp(dev, pipe, vblank->count);
+ t_old = &vblank->time;
diff_ns = timeval_to_ns(&t_vblank) - timeval_to_ns(t_old);
/*
@@ -239,49 +221,6 @@
diff = 1;
}
- /*
- * FIMXE: Need to replace this hack with proper seqlocks.
- *
- * Restrict the bump of the software vblank counter to a safe maximum
- * value of +1 whenever there is the possibility that concurrent readers
- * of vblank timestamps could be active at the moment, as the current
- * implementation of the timestamp caching and updating is not safe
- * against concurrent readers for calls to store_vblank() with a bump
- * of anything but +1. A bump != 1 would very likely return corrupted
- * timestamps to userspace, because the same slot in the cache could
- * be concurrently written by store_vblank() and read by one of those
- * readers without the read-retry logic detecting the collision.
- *
- * Concurrent readers can exist when we are called from the
- * drm_vblank_off() or drm_vblank_on() functions and other non-vblank-
- * irq callers. However, all those calls to us are happening with the
- * vbl_lock locked to prevent drm_vblank_get(), so the vblank refcount
- * can't increase while we are executing. Therefore a zero refcount at
- * this point is safe for arbitrary counter bumps if we are called
- * outside vblank irq, a non-zero count is not 100% safe. Unfortunately
- * we must also accept a refcount of 1, as whenever we are called from
- * drm_vblank_get() -> drm_vblank_enable() the refcount will be 1 and
- * we must let that one pass through in order to not lose vblank counts
- * during vblank irq off - which would completely defeat the whole
- * point of this routine.
- *
- * Whenever we are called from vblank irq, we have to assume concurrent
- * readers exist or can show up any time during our execution, even if
- * the refcount is currently zero, as vblank irqs are usually only
- * enabled due to the presence of readers, and because when we are called
- * from vblank irq we can't hold the vbl_lock to protect us from sudden
- * bumps in vblank refcount. Therefore also restrict bumps to +1 when
- * called from vblank irq.
- */
- if ((diff > 1) && (atomic_read(&vblank->refcount) > 1 ||
- (flags & DRM_CALLED_FROM_VBLIRQ))) {
- DRM_DEBUG_VBL("clamping vblank bump to 1 on crtc %u: diffr=%u "
- "refcount %u, vblirq %u\n", pipe, diff,
- atomic_read(&vblank->refcount),
- (flags & DRM_CALLED_FROM_VBLIRQ) != 0);
- diff = 1;
- }
-
DRM_DEBUG_VBL("updating vblank count on crtc %u:"
" current=%u, diff=%u, hw=%u hw_last=%u\n",
pipe, vblank->count, diff, cur_vblank, vblank->last);
@@ -303,6 +242,37 @@
store_vblank(dev, pipe, diff, &t_vblank, cur_vblank);
}
+/**
+ * drm_accurate_vblank_count - retrieve the master vblank counter
+ * @crtc: which counter to retrieve
+ *
+ * This function is similar to @drm_crtc_vblank_count but this
+ * function interpolates to handle a race with vblank irq's.
+ *
+ * This is mostly useful for hardware that can obtain the scanout
+ * position, but doesn't have a frame counter.
+ */
+u32 drm_accurate_vblank_count(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ unsigned int pipe = drm_crtc_index(crtc);
+ u32 vblank;
+ unsigned long flags;
+
+ WARN(!dev->driver->get_vblank_timestamp,
+ "This function requires support for accurate vblank timestamps.");
+
+ spin_lock_irqsave(&dev->vblank_time_lock, flags);
+
+ drm_update_vblank_count(dev, pipe, 0);
+ vblank = drm_vblank_count(dev, pipe);
+
+ spin_unlock_irqrestore(&dev->vblank_time_lock, flags);
+
+ return vblank;
+}
+EXPORT_SYMBOL(drm_accurate_vblank_count);
+
/*
* Disable vblank irq's on crtc, make sure that last vblank count
* of hardware and corresponding consistent software vblank counter
@@ -417,6 +387,7 @@
init_waitqueue_head(&vblank->queue);
setup_timer(&vblank->disable_timer, vblank_disable_fn,
(unsigned long)vblank);
+ seqlock_init(&vblank->seqlock);
}
DRM_INFO("Supports vblank timestamp caching Rev 2 (21.10.2013).\n");
@@ -986,25 +957,19 @@
struct timeval *vblanktime)
{
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
- int count = DRM_TIMESTAMP_MAXRETRIES;
- u32 cur_vblank;
+ u32 vblank_count;
+ unsigned int seq;
if (WARN_ON(pipe >= dev->num_crtcs))
return 0;
- /*
- * Vblank timestamps are read lockless. To ensure consistency the vblank
- * counter is rechecked and ordering is ensured using memory barriers.
- * This works like a seqlock. The write-side barriers are in store_vblank.
- */
do {
- cur_vblank = vblank->count;
- smp_rmb();
- *vblanktime = vblanktimestamp(dev, pipe, cur_vblank);
- smp_rmb();
- } while (cur_vblank != vblank->count && --count > 0);
+ seq = read_seqbegin(&vblank->seqlock);
+ vblank_count = vblank->count;
+ *vblanktime = vblank->time;
+ } while (read_seqretry(&vblank->seqlock, seq));
- return cur_vblank;
+ return vblank_count;
}
EXPORT_SYMBOL(drm_vblank_count_and_time);
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 04de6fd..cb39f45 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -179,12 +179,14 @@
int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node)
{
struct drm_mm_node *hole;
- u64 end = node->start + node->size;
+ u64 end;
u64 hole_start;
u64 hole_end;
BUG_ON(node == NULL);
+ end = node->start + node->size;
+
/* Find the relevant hole to add our node to */
drm_mm_for_each_hole(hole, mm, hole_start, hole_end) {
if (hole_start > node->start || hole_end < end)
diff --git a/drivers/gpu/drm/drm_modeset_lock.c b/drivers/gpu/drm/drm_modeset_lock.c
index e3a4adf..f33ebe6 100644
--- a/drivers/gpu/drm/drm_modeset_lock.c
+++ b/drivers/gpu/drm/drm_modeset_lock.c
@@ -30,12 +30,12 @@
*
* As KMS moves toward more fine grained locking, and atomic ioctl where
* userspace can indirectly control locking order, it becomes necessary
- * to use ww_mutex and acquire-contexts to avoid deadlocks. But because
+ * to use &ww_mutex and acquire-contexts to avoid deadlocks. But because
* the locking is more distributed around the driver code, we want a bit
* of extra utility/tracking out of our acquire-ctx. This is provided
* by drm_modeset_lock / drm_modeset_acquire_ctx.
*
- * For basic principles of ww_mutex, see: Documentation/locking/ww-mutex-design.txt
+ * For basic principles of &ww_mutex, see: Documentation/locking/ww-mutex-design.txt
*
* The basic usage pattern is to:
*
@@ -51,6 +51,13 @@
* ... do stuff ...
* drm_modeset_drop_locks(&ctx);
* drm_modeset_acquire_fini(&ctx);
+ *
+ * On top of of these per-object locks using &ww_mutex there's also an overall
+ * dev->mode_config.lock, for protecting everything else. Mostly this means
+ * probe state of connectors, and preventing hotplug add/removal of connectors.
+ *
+ * Finally there's a bunch of dedicated locks to protect drm core internal
+ * lists and lookup data structures.
*/
/**
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index 398015b..7b6c849 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -491,7 +491,6 @@
struct drm_psb_private *dev_priv = dev->dev_private;
struct gma_crtc *gma_crtc;
int i;
- uint16_t *r_base, *g_base, *b_base;
/* We allocate a extra array of drm_connector pointers
* for fbdev after the crtc */
@@ -519,16 +518,10 @@
gma_crtc->pipe = pipe;
gma_crtc->plane = pipe;
- r_base = gma_crtc->base.gamma_store;
- g_base = r_base + 256;
- b_base = g_base + 256;
for (i = 0; i < 256; i++) {
gma_crtc->lut_r[i] = i;
gma_crtc->lut_g[i] = i;
gma_crtc->lut_b[i] = i;
- r_base[i] = i << 8;
- g_base[i] = i << 8;
- b_base[i] = i << 8;
gma_crtc->lut_adj[i] = 0;
}
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index 3f94785..1936572 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -173,7 +173,7 @@
.fops = &kirin_drm_fops,
.set_busid = drm_platform_set_busid,
- .gem_free_object = drm_gem_cma_free_object,
+ .gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = kirin_gem_cma_dumb_create,
.dumb_map_offset = drm_gem_cma_dumb_map_offset,
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 0b88ba0..7e29444 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -59,6 +59,7 @@
intel_bios.o \
intel_color.o \
intel_display.o \
+ intel_dpio_phy.o \
intel_dpll_mgr.o \
intel_fbc.o \
intel_fifo_underrun.o \
@@ -81,10 +82,12 @@
dvo_tfp410.o \
intel_crt.o \
intel_ddi.o \
+ intel_dp_aux_backlight.o \
intel_dp_link_training.o \
intel_dp_mst.o \
intel_dp.o \
intel_dsi.o \
+ intel_dsi_dcs_backlight.o \
intel_dsi_panel_vbt.o \
intel_dsi_pll.o \
intel_dvo.o \
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index a337f33..d97f28b 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -215,7 +215,8 @@
CMD( MI_RS_CONTEXT, SMI, F, 1, S ),
CMD( MI_LOAD_SCAN_LINES_INCL, SMI, !F, 0x3F, M ),
CMD( MI_LOAD_SCAN_LINES_EXCL, SMI, !F, 0x3F, R ),
- CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, R ),
+ CMD( MI_LOAD_REGISTER_REG, SMI, !F, 0xFF, W,
+ .reg = { .offset = 1, .mask = 0x007FFFFC, .step = 1 } ),
CMD( MI_RS_STORE_DATA_IMM, SMI, !F, 0xFF, S ),
CMD( MI_LOAD_URB_MEM, SMI, !F, 0xFF, S ),
CMD( MI_STORE_URB_MEM, SMI, !F, 0xFF, S ),
@@ -750,12 +751,12 @@
int cmd_table_count;
int ret;
- if (!IS_GEN7(engine->dev))
+ if (!IS_GEN7(engine->i915))
return 0;
switch (engine->id) {
case RCS:
- if (IS_HASWELL(engine->dev)) {
+ if (IS_HASWELL(engine->i915)) {
cmd_tables = hsw_render_ring_cmds;
cmd_table_count =
ARRAY_SIZE(hsw_render_ring_cmds);
@@ -764,7 +765,7 @@
cmd_table_count = ARRAY_SIZE(gen7_render_cmds);
}
- if (IS_HASWELL(engine->dev)) {
+ if (IS_HASWELL(engine->i915)) {
engine->reg_tables = hsw_render_reg_tables;
engine->reg_table_count = ARRAY_SIZE(hsw_render_reg_tables);
} else {
@@ -780,7 +781,7 @@
engine->get_cmd_length_mask = gen7_bsd_get_cmd_length_mask;
break;
case BCS:
- if (IS_HASWELL(engine->dev)) {
+ if (IS_HASWELL(engine->i915)) {
cmd_tables = hsw_blt_ring_cmds;
cmd_table_count = ARRAY_SIZE(hsw_blt_ring_cmds);
} else {
@@ -788,7 +789,7 @@
cmd_table_count = ARRAY_SIZE(gen7_blt_cmds);
}
- if (IS_HASWELL(engine->dev)) {
+ if (IS_HASWELL(engine->i915)) {
engine->reg_tables = hsw_blt_reg_tables;
engine->reg_table_count = ARRAY_SIZE(hsw_blt_reg_tables);
} else {
@@ -1035,7 +1036,7 @@
if (!engine->needs_cmd_parser)
return false;
- if (!USES_PPGTT(engine->dev))
+ if (!USES_PPGTT(engine->i915))
return false;
return (i915.enable_cmd_parser == 1);
@@ -1098,6 +1099,11 @@
return false;
}
+ if (desc->cmd.value == MI_LOAD_REGISTER_REG) {
+ DRM_DEBUG_DRIVER("CMD: Rejected LRR to OACONTROL\n");
+ return false;
+ }
+
if (desc->cmd.value == MI_LOAD_REGISTER_IMM(1))
*oacontrol_set = (cmd[offset + 1] != 0);
}
@@ -1113,6 +1119,12 @@
return false;
}
+ if (desc->cmd.value == MI_LOAD_REGISTER_REG) {
+ DRM_DEBUG_DRIVER("CMD: Rejected LRR to masked register 0x%08X\n",
+ reg_addr);
+ return false;
+ }
+
if (desc->cmd.value == MI_LOAD_REGISTER_IMM(1) &&
(offset + 2 > length ||
(cmd[offset + 1] & reg->mask) != reg->value)) {
@@ -1275,8 +1287,21 @@
*
* Return: the current version number of the cmd parser
*/
-int i915_cmd_parser_get_version(void)
+int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv)
{
+ struct intel_engine_cs *engine;
+ bool active = false;
+
+ /* If the command parser is not enabled, report 0 - unsupported */
+ for_each_engine(engine, dev_priv) {
+ if (i915_needs_cmd_parser(engine)) {
+ active = true;
+ break;
+ }
+ }
+ if (!active)
+ return 0;
+
/*
* Command parser version history
*
@@ -1288,6 +1313,7 @@
* 4. L3 atomic chicken bits of HSW_SCRATCH1 and HSW_ROW_CHICKEN3.
* 5. GPGPU dispatch compute indirect registers.
* 6. TIMESTAMP register and Haswell CS GPR registers
+ * 7. Allow MI_LOAD_REGISTER_REG between whitelisted registers.
*/
- return 6;
+ return 7;
}
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 3269033..0a4bedb 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -89,17 +89,17 @@
return 0;
}
-static const char get_active_flag(struct drm_i915_gem_object *obj)
+static char get_active_flag(struct drm_i915_gem_object *obj)
{
return obj->active ? '*' : ' ';
}
-static const char get_pin_flag(struct drm_i915_gem_object *obj)
+static char get_pin_flag(struct drm_i915_gem_object *obj)
{
return obj->pin_display ? 'p' : ' ';
}
-static const char get_tiling_flag(struct drm_i915_gem_object *obj)
+static char get_tiling_flag(struct drm_i915_gem_object *obj)
{
switch (obj->tiling_mode) {
default:
@@ -109,12 +109,12 @@
}
}
-static inline const char get_global_flag(struct drm_i915_gem_object *obj)
+static char get_global_flag(struct drm_i915_gem_object *obj)
{
return i915_gem_obj_to_ggtt(obj) ? 'g' : ' ';
}
-static inline const char get_pin_mapped_flag(struct drm_i915_gem_object *obj)
+static char get_pin_mapped_flag(struct drm_i915_gem_object *obj)
{
return obj->mapping ? 'M' : ' ';
}
@@ -607,18 +607,20 @@
for_each_intel_crtc(dev, crtc) {
const char pipe = pipe_name(crtc->pipe);
const char plane = plane_name(crtc->plane);
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
spin_lock_irq(&dev->event_lock);
- work = crtc->unpin_work;
+ work = crtc->flip_work;
if (work == NULL) {
seq_printf(m, "No flip due on pipe %c (plane %c)\n",
pipe, plane);
} else {
+ u32 pending;
u32 addr;
- if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
- seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
+ pending = atomic_read(&work->pending);
+ if (pending) {
+ seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n",
pipe, plane);
} else {
seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
@@ -638,11 +640,7 @@
seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n",
work->flip_queued_vblank,
work->flip_ready_vblank,
- drm_crtc_vblank_count(&crtc->base));
- if (work->enable_stall_check)
- seq_puts(m, "Stall check enabled, ");
- else
- seq_puts(m, "Stall check waiting for page flip ioctl, ");
+ intel_crtc_get_vblank_counter(crtc));
seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
if (INTEL_INFO(dev)->gen >= 4)
@@ -1383,7 +1381,7 @@
seqno[id] = engine->get_seqno(engine);
}
- i915_get_extra_instdone(dev, instdone);
+ i915_get_extra_instdone(dev_priv, instdone);
intel_runtime_pm_put(dev_priv);
@@ -2004,7 +2002,7 @@
ctx->legacy_hw_ctx.rcs_state == NULL)
continue;
- seq_puts(m, "HW context ");
+ seq_printf(m, "HW context %u ", ctx->hw_id);
describe_ctx(m, ctx);
if (ctx == dev_priv->kernel_context)
seq_printf(m, "(kernel context) ");
@@ -2046,15 +2044,13 @@
struct drm_i915_gem_object *ctx_obj = ctx->engine[engine->id].state;
unsigned long ggtt_offset = 0;
+ seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id);
+
if (ctx_obj == NULL) {
- seq_printf(m, "Context on %s with no gem object\n",
- engine->name);
+ seq_puts(m, "\tNot allocated\n");
return;
}
- seq_printf(m, "CONTEXT: %s %u\n", engine->name,
- intel_execlists_ctx_id(ctx, engine));
-
if (!i915_gem_obj_ggtt_bound(ctx_obj))
seq_puts(m, "\tNot bound in GGTT\n");
else
@@ -2100,9 +2096,8 @@
return ret;
list_for_each_entry(ctx, &dev_priv->context_list, link)
- if (ctx != dev_priv->kernel_context)
- for_each_engine(engine, dev_priv)
- i915_dump_lrc_obj(m, ctx, engine);
+ for_each_engine(engine, dev_priv)
+ i915_dump_lrc_obj(m, ctx, engine);
mutex_unlock(&dev->struct_mutex);
@@ -2173,8 +2168,8 @@
seq_printf(m, "\t%d requests in queue\n", count);
if (head_req) {
- seq_printf(m, "\tHead request id: %u\n",
- intel_execlists_ctx_id(head_req->ctx, engine));
+ seq_printf(m, "\tHead request context: %u\n",
+ head_req->ctx->hw_id);
seq_printf(m, "\tHead request tail: %u\n",
head_req->tail);
}
@@ -2313,12 +2308,12 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
- if (INTEL_INFO(dev)->gen == 6)
+ if (IS_GEN6(dev_priv))
seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
for_each_engine(engine, dev_priv) {
seq_printf(m, "%s\n", engine->name);
- if (INTEL_INFO(dev)->gen == 7)
+ if (IS_GEN7(dev_priv))
seq_printf(m, "GFX_MODE: 0x%08x\n",
I915_READ(RING_MODE_GEN7(engine)));
seq_printf(m, "PP_DIR_BASE: 0x%08x\n",
@@ -3168,7 +3163,7 @@
enum intel_engine_id id;
int j, ret;
- if (!i915_semaphore_is_enabled(dev)) {
+ if (!i915_semaphore_is_enabled(dev_priv)) {
seq_puts(m, "Semaphores are disabled\n");
return 0;
}
@@ -4769,7 +4764,7 @@
intel_runtime_pm_get(dev_priv);
- i915_handle_error(dev, val,
+ i915_handle_error(dev_priv, val,
"Manually setting wedged to %llu", val);
intel_runtime_pm_put(dev_priv);
@@ -4919,7 +4914,7 @@
}
if (val & (DROP_RETIRE | DROP_ACTIVE))
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(dev_priv);
if (val & DROP_BOUND)
i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND);
@@ -4993,7 +4988,7 @@
dev_priv->rps.max_freq_softlimit = val;
- intel_set_rps(dev, val);
+ intel_set_rps(dev_priv, val);
mutex_unlock(&dev_priv->rps.hw_lock);
@@ -5060,7 +5055,7 @@
dev_priv->rps.min_freq_softlimit = val;
- intel_set_rps(dev, val);
+ intel_set_rps(dev_priv, val);
mutex_unlock(&dev_priv->rps.hw_lock);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index b3198fc..fd06bff 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -186,7 +186,7 @@
value = 1;
break;
case I915_PARAM_HAS_SEMAPHORES:
- value = i915_semaphore_is_enabled(dev);
+ value = i915_semaphore_is_enabled(dev_priv);
break;
case I915_PARAM_HAS_PRIME_VMAP_FLUSH:
value = 1;
@@ -204,7 +204,7 @@
value = 1;
break;
case I915_PARAM_CMD_PARSER_VERSION:
- value = i915_cmd_parser_get_version();
+ value = i915_cmd_parser_get_version(dev_priv);
break;
case I915_PARAM_HAS_COHERENT_PHYS_GTT:
value = 1;
@@ -223,8 +223,7 @@
return -ENODEV;
break;
case I915_PARAM_HAS_GPU_RESET:
- value = i915.enable_hangcheck &&
- intel_has_gpu_reset(dev);
+ value = i915.enable_hangcheck && intel_has_gpu_reset(dev_priv);
break;
case I915_PARAM_HAS_RESOURCE_STREAMER:
value = HAS_RESOURCE_STREAMER(dev);
@@ -425,6 +424,43 @@
.can_switch = i915_switcheroo_can_switch,
};
+static void i915_gem_fini(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = to_i915(dev);
+
+ /*
+ * Neither the BIOS, ourselves or any other kernel
+ * expects the system to be in execlists mode on startup,
+ * so we need to reset the GPU back to legacy mode. And the only
+ * known way to disable logical contexts is through a GPU reset.
+ *
+ * So in order to leave the system in a known default configuration,
+ * always reset the GPU upon unload. Afterwards we then clean up the
+ * GEM state tracking, flushing off the requests and leaving the
+ * system in a known idle state.
+ *
+ * Note that is of the upmost importance that the GPU is idle and
+ * all stray writes are flushed *before* we dismantle the backing
+ * storage for the pinned objects.
+ *
+ * However, since we are uncertain that reseting the GPU on older
+ * machines is a good idea, we don't - just in case it leaves the
+ * machine in an unusable condition.
+ */
+ if (HAS_HW_CONTEXTS(dev)) {
+ int reset = intel_gpu_reset(dev_priv, ALL_ENGINES);
+ WARN_ON(reset && reset != -ENODEV);
+ }
+
+ mutex_lock(&dev->struct_mutex);
+ i915_gem_reset(dev);
+ i915_gem_cleanup_engines(dev);
+ i915_gem_context_fini(dev);
+ mutex_unlock(&dev->struct_mutex);
+
+ WARN_ON(!list_empty(&to_i915(dev)->context_list));
+}
+
static int i915_load_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -454,6 +490,9 @@
if (ret)
goto cleanup_vga_client;
+ /* must happen before intel_power_domains_init_hw() on VLV/CHV */
+ intel_update_rawclk(dev_priv);
+
intel_power_domains_init_hw(dev_priv, false);
intel_csr_ucode_init(dev_priv);
@@ -503,10 +542,7 @@
return 0;
cleanup_gem:
- mutex_lock(&dev->struct_mutex);
- i915_gem_cleanup_engines(dev);
- i915_gem_context_fini(dev);
- mutex_unlock(&dev->struct_mutex);
+ i915_gem_fini(dev);
cleanup_irq:
intel_guc_ucode_fini(dev);
drm_irq_uninstall(dev);
@@ -850,7 +886,7 @@
DRM_INFO("Display disabled (module parameter)\n");
info->num_pipes = 0;
} else if (info->num_pipes > 0 &&
- (INTEL_INFO(dev)->gen == 7 || INTEL_INFO(dev)->gen == 8) &&
+ (IS_GEN7(dev_priv) || IS_GEN8(dev_priv)) &&
HAS_PCH_SPLIT(dev)) {
u32 fuse_strap = I915_READ(FUSE_STRAP);
u32 sfuse_strap = I915_READ(SFUSE_STRAP);
@@ -874,7 +910,7 @@
DRM_INFO("PipeC fused off\n");
info->num_pipes -= 1;
}
- } else if (info->num_pipes > 0 && INTEL_INFO(dev)->gen == 9) {
+ } else if (info->num_pipes > 0 && IS_GEN9(dev_priv)) {
u32 dfsm = I915_READ(SKL_DFSM);
u8 disabled_mask = 0;
bool invalid;
@@ -915,9 +951,11 @@
else if (INTEL_INFO(dev)->gen >= 9)
gen9_sseu_info_init(dev);
- /* Snooping is broken on BXT A stepping. */
info->has_snoop = !info->has_llc;
- info->has_snoop &= !IS_BXT_REVID(dev, 0, BXT_REVID_A1);
+
+ /* Snooping is broken on BXT A stepping. */
+ if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ info->has_snoop = false;
DRM_DEBUG_DRIVER("slice total: %u\n", info->slice_total);
DRM_DEBUG_DRIVER("subslice total: %u\n", info->subslice_total);
@@ -930,6 +968,20 @@
info->has_subslice_pg ? "y" : "n");
DRM_DEBUG_DRIVER("has EU power gating: %s\n",
info->has_eu_pg ? "y" : "n");
+
+ i915.enable_execlists =
+ intel_sanitize_enable_execlists(dev_priv,
+ i915.enable_execlists);
+
+ /*
+ * i915.enable_ppgtt is read-only, so do an early pass to validate the
+ * user's requested state against the hardware/driver capabilities. We
+ * do this now so that we can print out any log messages once rather
+ * than every time we check intel_enable_ppgtt().
+ */
+ i915.enable_ppgtt =
+ intel_sanitize_enable_ppgtt(dev_priv, i915.enable_ppgtt);
+ DRM_DEBUG_DRIVER("ppgtt mode: %i\n", i915.enable_ppgtt);
}
static void intel_init_dpio(struct drm_i915_private *dev_priv)
@@ -1020,6 +1072,9 @@
memcpy(device_info, info, sizeof(dev_priv->info));
device_info->device_id = dev->pdev->device;
+ BUG_ON(device_info->gen > sizeof(device_info->gen_mask) * BITS_PER_BYTE);
+ device_info->gen_mask = BIT(device_info->gen - 1);
+
spin_lock_init(&dev_priv->irq_lock);
spin_lock_init(&dev_priv->gpu_error.lock);
mutex_init(&dev_priv->backlight_lock);
@@ -1137,7 +1192,7 @@
if (ret < 0)
goto put_bridge;
- intel_uncore_init(dev);
+ intel_uncore_init(dev_priv);
return 0;
@@ -1155,7 +1210,7 @@
{
struct drm_device *dev = dev_priv->dev;
- intel_uncore_fini(dev);
+ intel_uncore_fini(dev_priv);
i915_mmio_cleanup(dev);
pci_dev_put(dev_priv->bridge_dev);
}
@@ -1206,8 +1261,15 @@
pci_set_master(dev->pdev);
/* overlay on gen2 is broken and can't address above 1G */
- if (IS_GEN2(dev))
- dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+ if (IS_GEN2(dev)) {
+ ret = dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30));
+ if (ret) {
+ DRM_ERROR("failed to set DMA mask\n");
+
+ goto out_ggtt;
+ }
+ }
+
/* 965GM sometimes incorrectly writes to hardware status page (HWS)
* using 32bit addressing, overwriting memory if HWS is located
@@ -1217,8 +1279,15 @@
* behaviour if any general state is accessed within a page above 4GB,
* which also needs to be handled carefully.
*/
- if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
- dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+ if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) {
+ ret = dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32));
+
+ if (ret) {
+ DRM_ERROR("failed to set DMA mask\n");
+
+ goto out_ggtt;
+ }
+ }
aperture_size = ggtt->mappable_end;
@@ -1236,7 +1305,7 @@
pm_qos_add_request(&dev_priv->pm_qos, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
- intel_uncore_sanitize(dev);
+ intel_uncore_sanitize(dev_priv);
intel_opregion_setup(dev);
@@ -1300,7 +1369,7 @@
* Notify a valid surface after modesetting,
* when running inside a VM.
*/
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY);
i915_setup_sysfs(dev);
@@ -1459,10 +1528,7 @@
flush_workqueue(dev_priv->wq);
intel_guc_ucode_fini(dev);
- mutex_lock(&dev->struct_mutex);
- i915_gem_cleanup_engines(dev);
- i915_gem_context_fini(dev);
- mutex_unlock(&dev->struct_mutex);
+ i915_gem_fini(dev);
intel_fbc_cleanup_cfb(dev_priv);
intel_power_domains_fini(dev_priv);
@@ -1570,15 +1636,15 @@
DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0),
DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW),
- DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_CREATE, i915_gem_context_create_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_DESTROY, i915_gem_context_destroy_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_REG_READ, i915_reg_read_ioctl, DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS, i915_get_reset_stats_ioctl, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(I915_GET_RESET_STATS, i915_gem_context_reset_stats_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_USERPTR, i915_gem_userptr_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_GETPARAM, i915_gem_context_getparam_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(I915_GEM_CONTEXT_SETPARAM, i915_gem_context_setparam_ioctl, DRM_RENDER_ALLOW),
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index f313b4d..61bf5a9 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -35,11 +35,9 @@
#include "i915_trace.h"
#include "intel_drv.h"
-#include <linux/apple-gmux.h>
#include <linux/console.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
-#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_crtc_helper.h>
@@ -300,22 +298,26 @@
static const struct intel_device_info intel_broadwell_d_info = {
BDW_FEATURES,
.gen = 8,
+ .is_broadwell = 1,
};
static const struct intel_device_info intel_broadwell_m_info = {
BDW_FEATURES,
.gen = 8, .is_mobile = 1,
+ .is_broadwell = 1,
};
static const struct intel_device_info intel_broadwell_gt3d_info = {
BDW_FEATURES,
.gen = 8,
+ .is_broadwell = 1,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
};
static const struct intel_device_info intel_broadwell_gt3m_info = {
BDW_FEATURES,
.gen = 8, .is_mobile = 1,
+ .is_broadwell = 1,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
};
@@ -530,9 +532,9 @@
pci_dev_put(pch);
}
-bool i915_semaphore_is_enabled(struct drm_device *dev)
+bool i915_semaphore_is_enabled(struct drm_i915_private *dev_priv)
{
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_GEN(dev_priv) < 6)
return false;
if (i915.semaphores >= 0)
@@ -542,13 +544,9 @@
if (i915.enable_execlists)
return false;
- /* Until we get further testing... */
- if (IS_GEN8(dev))
- return false;
-
#ifdef CONFIG_INTEL_IOMMU
/* Enable semaphores on SNB when IO remapping is off */
- if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
+ if (IS_GEN6(dev_priv) && intel_iommu_gfx_mapped)
return false;
#endif
@@ -610,7 +608,7 @@
intel_guc_suspend(dev);
- intel_suspend_gt_powersave(dev);
+ intel_suspend_gt_powersave(dev_priv);
intel_display_suspend(dev);
@@ -630,7 +628,7 @@
opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
intel_opregion_notify_adapter(dev, opregion_target_state);
- intel_uncore_forcewake_reset(dev, false);
+ intel_uncore_forcewake_reset(dev_priv, false);
intel_opregion_fini(dev);
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
@@ -777,7 +775,7 @@
spin_lock_irq(&dev_priv->irq_lock);
if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
intel_dp_mst_resume(dev);
@@ -870,9 +868,9 @@
DRM_ERROR("Resume prepare failed: %d, continuing anyway\n",
ret);
- intel_uncore_early_sanitize(dev, true);
+ intel_uncore_early_sanitize(dev_priv, true);
- if (IS_BROXTON(dev)) {
+ if (IS_BROXTON(dev_priv)) {
if (!dev_priv->suspended_to_idle)
gen9_sanitize_dc_state(dev_priv);
bxt_disable_dc9(dev_priv);
@@ -880,7 +878,7 @@
hsw_disable_pc8(dev_priv);
}
- intel_uncore_sanitize(dev);
+ intel_uncore_sanitize(dev_priv);
if (IS_BROXTON(dev_priv) ||
!(dev_priv->suspended_to_idle && dev_priv->csr.dmc_payload))
@@ -923,14 +921,14 @@
* - re-init interrupt state
* - re-init display
*/
-int i915_reset(struct drm_device *dev)
+int i915_reset(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_device *dev = dev_priv->dev;
struct i915_gpu_error *error = &dev_priv->gpu_error;
unsigned reset_counter;
int ret;
- intel_reset_gt_powersave(dev);
+ intel_reset_gt_powersave(dev_priv);
mutex_lock(&dev->struct_mutex);
@@ -946,7 +944,7 @@
i915_gem_reset(dev);
- ret = intel_gpu_reset(dev, ALL_ENGINES);
+ ret = intel_gpu_reset(dev_priv, ALL_ENGINES);
/* Also reset the gpu hangman. */
if (error->stop_rings != 0) {
@@ -1001,7 +999,7 @@
* of re-init after reset.
*/
if (INTEL_INFO(dev)->gen > 5)
- intel_enable_gt_powersave(dev);
+ intel_enable_gt_powersave(dev_priv);
return 0;
@@ -1030,13 +1028,7 @@
if (PCI_FUNC(pdev->devfn))
return -ENODEV;
- /*
- * apple-gmux is needed on dual GPU MacBook Pro
- * to probe the panel if we're the inactive GPU.
- */
- if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
- apple_gmux_present() && pdev != vga_default_device() &&
- !vga_switcheroo_handler_flags())
+ if (vga_switcheroo_client_probe_defer(pdev))
return -EPROBE_DEFER;
return drm_get_pci_dev(pdev, ent, &driver);
@@ -1115,6 +1107,49 @@
return i915_drm_resume(drm_dev);
}
+/* freeze: before creating the hibernation_image */
+static int i915_pm_freeze(struct device *dev)
+{
+ return i915_pm_suspend(dev);
+}
+
+static int i915_pm_freeze_late(struct device *dev)
+{
+ int ret;
+
+ ret = i915_pm_suspend_late(dev);
+ if (ret)
+ return ret;
+
+ ret = i915_gem_freeze_late(dev_to_i915(dev));
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/* thaw: called after creating the hibernation image, but before turning off. */
+static int i915_pm_thaw_early(struct device *dev)
+{
+ return i915_pm_resume_early(dev);
+}
+
+static int i915_pm_thaw(struct device *dev)
+{
+ return i915_pm_resume(dev);
+}
+
+/* restore: called after loading the hibernation image. */
+static int i915_pm_restore_early(struct device *dev)
+{
+ return i915_pm_resume_early(dev);
+}
+
+static int i915_pm_restore(struct device *dev)
+{
+ return i915_pm_resume(dev);
+}
+
/*
* Save all Gunit registers that may be lost after a D3 and a subsequent
* S0i[R123] transition. The list of registers needing a save/restore is
@@ -1478,7 +1513,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- if (WARN_ON_ONCE(!(dev_priv->rps.enabled && intel_enable_rc6(dev))))
+ if (WARN_ON_ONCE(!(dev_priv->rps.enabled && intel_enable_rc6())))
return -ENODEV;
if (WARN_ON_ONCE(!HAS_RUNTIME_PM(dev)))
@@ -1517,7 +1552,7 @@
intel_guc_suspend(dev);
- intel_suspend_gt_powersave(dev);
+ intel_suspend_gt_powersave(dev_priv);
intel_runtime_pm_disable_interrupts(dev_priv);
ret = 0;
@@ -1539,7 +1574,7 @@
return ret;
}
- intel_uncore_forcewake_reset(dev, false);
+ intel_uncore_forcewake_reset(dev_priv, false);
enable_rpm_wakeref_asserts(dev_priv);
WARN_ON_ONCE(atomic_read(&dev_priv->pm.wakeref_count));
@@ -1620,7 +1655,7 @@
* we can do is to hope that things will still work (and disable RPM).
*/
i915_gem_init_swizzling(dev);
- gen6_update_ring_freq(dev);
+ gen6_update_ring_freq(dev_priv);
intel_runtime_pm_enable_interrupts(dev_priv);
@@ -1632,7 +1667,7 @@
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
intel_hpd_init(dev_priv);
- intel_enable_gt_powersave(dev);
+ intel_enable_gt_powersave(dev_priv);
enable_rpm_wakeref_asserts(dev_priv);
@@ -1669,14 +1704,14 @@
* @restore, @restore_early : called after rebooting and restoring the
* hibernation image [PMSG_RESTORE]
*/
- .freeze = i915_pm_suspend,
- .freeze_late = i915_pm_suspend_late,
- .thaw_early = i915_pm_resume_early,
- .thaw = i915_pm_resume,
+ .freeze = i915_pm_freeze,
+ .freeze_late = i915_pm_freeze_late,
+ .thaw_early = i915_pm_thaw_early,
+ .thaw = i915_pm_thaw,
.poweroff = i915_pm_suspend,
.poweroff_late = i915_pm_poweroff_late,
- .restore_early = i915_pm_resume_early,
- .restore = i915_pm_resume,
+ .restore_early = i915_pm_restore_early,
+ .restore = i915_pm_restore,
/* S0ix (via runtime suspend) event handlers */
.runtime_suspend = intel_runtime_suspend,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5faacc6..b4ea941 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -66,7 +66,7 @@
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20160425"
+#define DRIVER_DATE "20160522"
#undef WARN_ON
/* Many gcc seem to no see through this and fall over :( */
@@ -324,6 +324,12 @@
&dev->mode_config.plane_list, \
base.head)
+#define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \
+ list_for_each_entry(intel_plane, &dev->mode_config.plane_list, \
+ base.head) \
+ for_each_if ((plane_mask) & \
+ (1 << drm_plane_index(&intel_plane->base)))
+
#define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \
list_for_each_entry(intel_plane, \
&(dev)->mode_config.plane_list, \
@@ -333,6 +339,10 @@
#define for_each_intel_crtc(dev, intel_crtc) \
list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
+#define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \
+ list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head) \
+ for_each_if ((crtc_mask) & (1 << drm_crtc_index(&intel_crtc->base)))
+
#define for_each_intel_encoder(dev, intel_encoder) \
list_for_each_entry(intel_encoder, \
&(dev)->mode_config.encoder_list, \
@@ -588,6 +598,7 @@
struct intel_crtc_state *newstate);
void (*initial_watermarks)(struct intel_crtc_state *cstate);
void (*optimize_watermarks)(struct intel_crtc_state *cstate);
+ int (*compute_global_watermarks)(struct drm_atomic_state *state);
void (*update_wm)(struct drm_crtc *crtc);
int (*modeset_calc_cdclk)(struct drm_atomic_state *state);
void (*modeset_commit_cdclk)(struct drm_atomic_state *state);
@@ -612,7 +623,7 @@
struct drm_i915_gem_object *obj,
struct drm_i915_gem_request *req,
uint32_t flags);
- void (*hpd_irq_setup)(struct drm_device *dev);
+ void (*hpd_irq_setup)(struct drm_i915_private *dev_priv);
/* clock updates for mode set */
/* cursor updates */
/* render clock increase/decrease */
@@ -735,6 +746,7 @@
func(is_valleyview) sep \
func(is_cherryview) sep \
func(is_haswell) sep \
+ func(is_broadwell) sep \
func(is_skylake) sep \
func(is_broxton) sep \
func(is_kabylake) sep \
@@ -757,9 +769,10 @@
struct intel_device_info {
u32 display_mmio_offset;
u16 device_id;
- u8 num_pipes:3;
+ u8 num_pipes;
u8 num_sprites[I915_MAX_PIPES];
u8 gen;
+ u16 gen_mask;
u8 ring_mask; /* Rings supported by the HW */
DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG, SEP_SEMICOLON);
/* Register offsets for the various display pipes and transcoders */
@@ -851,6 +864,9 @@
struct i915_ctx_hang_stats hang_stats;
struct i915_hw_ppgtt *ppgtt;
+ /* Unique identifier for this context, used by the hw for tracking */
+ unsigned hw_id;
+
/* Legacy ring buffer submission */
struct {
struct drm_i915_gem_object *rcs_state;
@@ -865,6 +881,7 @@
struct i915_vma *lrc_vma;
u64 lrc_desc;
uint32_t *lrc_reg_state;
+ bool initialised;
} engine[I915_NUM_ENGINES];
struct list_head link;
@@ -1488,6 +1505,7 @@
bool present;
bool active_low_pwm;
u8 min_brightness; /* min_brightness/255 of max */
+ enum intel_backlight_type type;
} backlight;
/* MIPI DSI */
@@ -1580,7 +1598,7 @@
};
struct skl_wm_values {
- bool dirty[I915_MAX_PIPES];
+ unsigned dirty_pipes;
struct skl_ddb_allocation ddb;
uint32_t wm_linetime[I915_MAX_PIPES];
uint32_t plane[I915_MAX_PIPES][I915_MAX_PLANES][8];
@@ -1838,6 +1856,13 @@
DECLARE_HASHTABLE(mm_structs, 7);
struct mutex mm_lock;
+ /* The hw wants to have a stable context identifier for the lifetime
+ * of the context (for OA, PASID, faults, etc). This is limited
+ * in execlists to 21 bits.
+ */
+ struct ida context_hw_ida;
+#define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */
+
/* Kernel Modesetting */
struct drm_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
@@ -1950,9 +1975,6 @@
*/
uint16_t skl_latency[8];
- /* Committed wm config */
- struct intel_wm_config config;
-
/*
* The skl_wm_values structure is a bit too big for stack
* allocation, so we keep the staging struct where we store
@@ -1975,6 +1997,13 @@
* cstate->wm.need_postvbl_update.
*/
struct mutex wm_mutex;
+
+ /*
+ * Set during HW readout of watermarks/DDB. Some platforms
+ * need to know when we're still using BIOS-provided values
+ * (which we don't fully trust).
+ */
+ bool distrust_bios_wm;
} wm;
struct i915_runtime_pm pm;
@@ -2227,9 +2256,75 @@
};
#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
-void i915_gem_track_fb(struct drm_i915_gem_object *old,
- struct drm_i915_gem_object *new,
- unsigned frontbuffer_bits);
+/*
+ * Optimised SGL iterator for GEM objects
+ */
+static __always_inline struct sgt_iter {
+ struct scatterlist *sgp;
+ union {
+ unsigned long pfn;
+ dma_addr_t dma;
+ };
+ unsigned int curr;
+ unsigned int max;
+} __sgt_iter(struct scatterlist *sgl, bool dma) {
+ struct sgt_iter s = { .sgp = sgl };
+
+ if (s.sgp) {
+ s.max = s.curr = s.sgp->offset;
+ s.max += s.sgp->length;
+ if (dma)
+ s.dma = sg_dma_address(s.sgp);
+ else
+ s.pfn = page_to_pfn(sg_page(s.sgp));
+ }
+
+ return s;
+}
+
+/**
+ * __sg_next - return the next scatterlist entry in a list
+ * @sg: The current sg entry
+ *
+ * Description:
+ * If the entry is the last, return NULL; otherwise, step to the next
+ * element in the array (@sg@+1). If that's a chain pointer, follow it;
+ * otherwise just return the pointer to the current element.
+ **/
+static inline struct scatterlist *__sg_next(struct scatterlist *sg)
+{
+#ifdef CONFIG_DEBUG_SG
+ BUG_ON(sg->sg_magic != SG_MAGIC);
+#endif
+ return sg_is_last(sg) ? NULL :
+ likely(!sg_is_chain(++sg)) ? sg :
+ sg_chain_ptr(sg);
+}
+
+/**
+ * for_each_sgt_dma - iterate over the DMA addresses of the given sg_table
+ * @__dmap: DMA address (output)
+ * @__iter: 'struct sgt_iter' (iterator state, internal)
+ * @__sgt: sg_table to iterate over (input)
+ */
+#define for_each_sgt_dma(__dmap, __iter, __sgt) \
+ for ((__iter) = __sgt_iter((__sgt)->sgl, true); \
+ ((__dmap) = (__iter).dma + (__iter).curr); \
+ (((__iter).curr += PAGE_SIZE) < (__iter).max) || \
+ ((__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0))
+
+/**
+ * for_each_sgt_page - iterate over the pages of the given sg_table
+ * @__pp: page pointer (output)
+ * @__iter: 'struct sgt_iter' (iterator state, internal)
+ * @__sgt: sg_table to iterate over (input)
+ */
+#define for_each_sgt_page(__pp, __iter, __sgt) \
+ for ((__iter) = __sgt_iter((__sgt)->sgl, false); \
+ ((__pp) = (__iter).pfn == 0 ? NULL : \
+ pfn_to_page((__iter).pfn + ((__iter).curr >> PAGE_SHIFT))); \
+ (((__iter).curr += PAGE_SIZE) < (__iter).max) || \
+ ((__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0))
/**
* Request queue structure.
@@ -2278,6 +2373,9 @@
/** Position in the ringbuffer of the end of the whole request */
u32 tail;
+ /** Preallocate space in the ringbuffer for the emitting the request */
+ u32 reserved_space;
+
/**
* Context and ring buffer related to this request
* Contexts are refcounted, so when this request is associated with a
@@ -2291,6 +2389,17 @@
struct intel_context *ctx;
struct intel_ringbuffer *ringbuf;
+ /**
+ * Context related to the previous request.
+ * As the contexts are accessed by the hardware until the switch is
+ * completed to a new context, the hardware may still be writing
+ * to the context object after the breadcrumb is visible. We must
+ * not unpin/unbind/prune that object whilst still active and so
+ * we keep the previous context pinned until the following (this)
+ * request is retired.
+ */
+ struct intel_context *previous_context;
+
/** Batch buffer related to this request if any (used for
error state dump only) */
struct drm_i915_gem_object *batch_obj;
@@ -2327,6 +2436,8 @@
/** Execlists no. of times this request has been sent to the ELSP */
int elsp_submitted;
+ /** Execlists context hardware id. */
+ unsigned ctx_hw_id;
};
struct drm_i915_gem_request * __must_check
@@ -2359,23 +2470,9 @@
static inline void
i915_gem_request_unreference(struct drm_i915_gem_request *req)
{
- WARN_ON(!mutex_is_locked(&req->engine->dev->struct_mutex));
kref_put(&req->ref, i915_gem_request_free);
}
-static inline void
-i915_gem_request_unreference__unlocked(struct drm_i915_gem_request *req)
-{
- struct drm_device *dev;
-
- if (!req)
- return;
-
- dev = req->engine->dev;
- if (kref_put_mutex(&req->ref, i915_gem_request_free, &dev->struct_mutex))
- mutex_unlock(&dev->struct_mutex);
-}
-
static inline void i915_gem_request_assign(struct drm_i915_gem_request **pdst,
struct drm_i915_gem_request *src)
{
@@ -2503,9 +2600,29 @@
#define INTEL_INFO(p) (&__I915__(p)->info)
#define INTEL_GEN(p) (INTEL_INFO(p)->gen)
#define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
-#define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
#define REVID_FOREVER 0xff
+#define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
+
+#define GEN_FOREVER (0)
+/*
+ * Returns true if Gen is in inclusive range [Start, End].
+ *
+ * Use GEN_FOREVER for unbound start and or end.
+ */
+#define IS_GEN(p, s, e) ({ \
+ unsigned int __s = (s), __e = (e); \
+ BUILD_BUG_ON(!__builtin_constant_p(s)); \
+ BUILD_BUG_ON(!__builtin_constant_p(e)); \
+ if ((__s) != GEN_FOREVER) \
+ __s = (s) - 1; \
+ if ((__e) == GEN_FOREVER) \
+ __e = BITS_PER_LONG - 1; \
+ else \
+ __e = (e) - 1; \
+ !!(INTEL_INFO(p)->gen_mask & GENMASK((__e), (__s))); \
+})
+
/*
* Return true if revision is in range [since,until] inclusive.
*
@@ -2538,7 +2655,7 @@
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_cherryview)
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
-#define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_cherryview && IS_GEN8(dev))
+#define IS_BROADWELL(dev) (INTEL_INFO(dev)->is_broadwell)
#define IS_SKYLAKE(dev) (INTEL_INFO(dev)->is_skylake)
#define IS_BROXTON(dev) (INTEL_INFO(dev)->is_broxton)
#define IS_KABYLAKE(dev) (INTEL_INFO(dev)->is_kabylake)
@@ -2606,14 +2723,14 @@
* have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
* chips, etc.).
*/
-#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
-#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
-#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
-#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
-#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
-#define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
-#define IS_GEN8(dev) (INTEL_INFO(dev)->gen == 8)
-#define IS_GEN9(dev) (INTEL_INFO(dev)->gen == 9)
+#define IS_GEN2(dev) (INTEL_INFO(dev)->gen_mask & BIT(1))
+#define IS_GEN3(dev) (INTEL_INFO(dev)->gen_mask & BIT(2))
+#define IS_GEN4(dev) (INTEL_INFO(dev)->gen_mask & BIT(3))
+#define IS_GEN5(dev) (INTEL_INFO(dev)->gen_mask & BIT(4))
+#define IS_GEN6(dev) (INTEL_INFO(dev)->gen_mask & BIT(5))
+#define IS_GEN7(dev) (INTEL_INFO(dev)->gen_mask & BIT(6))
+#define IS_GEN8(dev) (INTEL_INFO(dev)->gen_mask & BIT(7))
+#define IS_GEN9(dev) (INTEL_INFO(dev)->gen_mask & BIT(8))
#define RENDER_RING (1<<RCS)
#define BSD_RING (1<<VCS)
@@ -2686,7 +2803,7 @@
IS_CHERRYVIEW(dev) || IS_SKYLAKE(dev) || \
IS_KABYLAKE(dev) || IS_BROXTON(dev))
#define HAS_RC6(dev) (INTEL_INFO(dev)->gen >= 6)
-#define HAS_RC6p(dev) (INTEL_INFO(dev)->gen == 6 || IS_IVYBRIDGE(dev))
+#define HAS_RC6p(dev) (IS_GEN6(dev) || IS_IVYBRIDGE(dev))
#define HAS_CSR(dev) (IS_GEN9(dev))
@@ -2740,6 +2857,9 @@
extern int i915_suspend_switcheroo(struct drm_device *dev, pm_message_t state);
extern int i915_resume_switcheroo(struct drm_device *dev);
+int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
+ int enable_ppgtt);
+
/* i915_dma.c */
void __printf(3, 4)
__i915_printk(struct drm_i915_private *dev_priv, const char *level,
@@ -2760,9 +2880,9 @@
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
#endif
-extern int intel_gpu_reset(struct drm_device *dev, u32 engine_mask);
-extern bool intel_has_gpu_reset(struct drm_device *dev);
-extern int i915_reset(struct drm_device *dev);
+extern int intel_gpu_reset(struct drm_i915_private *dev_priv, u32 engine_mask);
+extern bool intel_has_gpu_reset(struct drm_i915_private *dev_priv);
+extern int i915_reset(struct drm_i915_private *dev_priv);
extern int intel_guc_reset(struct drm_i915_private *dev_priv);
extern void intel_engine_init_hangcheck(struct intel_engine_cs *engine);
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
@@ -2772,30 +2892,33 @@
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
/* intel_hotplug.c */
-void intel_hpd_irq_handler(struct drm_device *dev, u32 pin_mask, u32 long_mask);
+void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
+ u32 pin_mask, u32 long_mask);
void intel_hpd_init(struct drm_i915_private *dev_priv);
void intel_hpd_init_work(struct drm_i915_private *dev_priv);
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
bool intel_hpd_pin_to_port(enum hpd_pin pin, enum port *port);
/* i915_irq.c */
-void i915_queue_hangcheck(struct drm_device *dev);
+void i915_queue_hangcheck(struct drm_i915_private *dev_priv);
__printf(3, 4)
-void i915_handle_error(struct drm_device *dev, u32 engine_mask,
+void i915_handle_error(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
const char *fmt, ...);
extern void intel_irq_init(struct drm_i915_private *dev_priv);
int intel_irq_install(struct drm_i915_private *dev_priv);
void intel_irq_uninstall(struct drm_i915_private *dev_priv);
-extern void intel_uncore_sanitize(struct drm_device *dev);
-extern void intel_uncore_early_sanitize(struct drm_device *dev,
+extern void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
+extern void intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
bool restore_forcewake);
-extern void intel_uncore_init(struct drm_device *dev);
+extern void intel_uncore_init(struct drm_i915_private *dev_priv);
extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
-extern void intel_uncore_fini(struct drm_device *dev);
-extern void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore);
+extern void intel_uncore_fini(struct drm_i915_private *dev_priv);
+extern void intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv,
+ bool restore);
const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
enum forcewake_domains domains);
@@ -2811,9 +2934,9 @@
u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv);
void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
-static inline bool intel_vgpu_active(struct drm_device *dev)
+static inline bool intel_vgpu_active(struct drm_i915_private *dev_priv)
{
- return to_i915(dev)->vgpu.active;
+ return dev_priv->vgpu.active;
}
void
@@ -2909,7 +3032,7 @@
struct drm_file *file_priv);
int i915_gem_get_tiling(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-int i915_gem_init_userptr(struct drm_device *dev);
+void i915_gem_init_userptr(struct drm_i915_private *dev_priv);
int i915_gem_userptr_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
@@ -2919,11 +3042,13 @@
void i915_gem_load_init(struct drm_device *dev);
void i915_gem_load_cleanup(struct drm_device *dev);
void i915_gem_load_init_fences(struct drm_i915_private *dev_priv);
+int i915_gem_freeze_late(struct drm_i915_private *dev_priv);
+
void *i915_gem_object_alloc(struct drm_device *dev);
void i915_gem_object_free(struct drm_i915_gem_object *obj);
void i915_gem_object_init(struct drm_i915_gem_object *obj,
const struct drm_i915_gem_object_ops *ops);
-struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
+struct drm_i915_gem_object *i915_gem_object_create(struct drm_device *dev,
size_t size);
struct drm_i915_gem_object *i915_gem_object_create_from_data(
struct drm_device *dev, const void *data, size_t size);
@@ -3054,6 +3179,11 @@
struct drm_mode_create_dumb *args);
int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev,
uint32_t handle, uint64_t *offset);
+
+void i915_gem_track_fb(struct drm_i915_gem_object *old,
+ struct drm_i915_gem_object *new,
+ unsigned frontbuffer_bits);
+
/**
* Returns true if seq1 is later than seq2.
*/
@@ -3081,13 +3211,13 @@
req->seqno);
}
-int __must_check i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
+int __must_check i915_gem_get_seqno(struct drm_i915_private *dev_priv, u32 *seqno);
int __must_check i915_gem_set_seqno(struct drm_device *dev, u32 seqno);
struct drm_i915_gem_request *
i915_gem_find_active_request(struct intel_engine_cs *engine);
-bool i915_gem_retire_requests(struct drm_device *dev);
+bool i915_gem_retire_requests(struct drm_i915_private *dev_priv);
void i915_gem_retire_requests_ring(struct intel_engine_cs *engine);
static inline u32 i915_reset_counter(struct i915_gpu_error *error)
@@ -3147,7 +3277,6 @@
int __must_check i915_gem_init(struct drm_device *dev);
int i915_gem_init_engines(struct drm_device *dev);
int __must_check i915_gem_init_hw(struct drm_device *dev);
-int i915_gem_l3_remap(struct drm_i915_gem_request *req, int slice);
void i915_gem_init_swizzling(struct drm_device *dev);
void i915_gem_cleanup_engines(struct drm_device *dev);
int __must_check i915_gpu_idle(struct drm_device *dev);
@@ -3215,8 +3344,6 @@
bool i915_gem_obj_bound(struct drm_i915_gem_object *o,
struct i915_address_space *vm);
-unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
- struct i915_address_space *vm);
struct i915_vma *
i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm);
@@ -3251,14 +3378,8 @@
return i915_gem_obj_ggtt_bound_view(obj, &i915_ggtt_view_normal);
}
-static inline unsigned long
-i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj)
-{
- struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
-
- return i915_gem_obj_size(obj, &ggtt->base);
-}
+unsigned long
+i915_gem_obj_ggtt_size(struct drm_i915_gem_object *obj);
static inline int __must_check
i915_gem_obj_ggtt_pin(struct drm_i915_gem_object *obj,
@@ -3272,12 +3393,6 @@
alignment, flags | PIN_GLOBAL);
}
-static inline int
-i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
-{
- return i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
-}
-
void i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object *obj,
const struct i915_ggtt_view *view);
static inline void
@@ -3301,10 +3416,10 @@
/* i915_gem_context.c */
int __must_check i915_gem_context_init(struct drm_device *dev);
+void i915_gem_context_lost(struct drm_i915_private *dev_priv);
void i915_gem_context_fini(struct drm_device *dev);
void i915_gem_context_reset(struct drm_device *dev);
int i915_gem_context_open(struct drm_device *dev, struct drm_file *file);
-int i915_gem_context_enable(struct drm_i915_gem_request *req);
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
int i915_switch_context(struct drm_i915_gem_request *req);
struct intel_context *
@@ -3335,6 +3450,8 @@
struct drm_file *file_priv);
int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file);
/* i915_gem_evict.c */
int __must_check i915_gem_evict_something(struct drm_device *dev,
@@ -3349,9 +3466,9 @@
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
/* belongs in i915_gem_gtt.h */
-static inline void i915_gem_chipset_flush(struct drm_device *dev)
+static inline void i915_gem_chipset_flush(struct drm_i915_private *dev_priv)
{
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_GEN(dev_priv) < 6)
intel_gtt_chipset_flush();
}
@@ -3430,18 +3547,19 @@
{
kfree(eb->buf);
}
-void i915_capture_error_state(struct drm_device *dev, u32 engine_mask,
+void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
const char *error_msg);
void i915_error_state_get(struct drm_device *dev,
struct i915_error_state_file_priv *error_priv);
void i915_error_state_put(struct i915_error_state_file_priv *error_priv);
void i915_destroy_error_state(struct drm_device *dev);
-void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone);
+void i915_get_extra_instdone(struct drm_i915_private *dev_priv, uint32_t *instdone);
const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
/* i915_cmd_parser.c */
-int i915_cmd_parser_get_version(void);
+int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv);
int i915_cmd_parser_init_ring(struct intel_engine_cs *engine);
void i915_cmd_parser_fini_ring(struct intel_engine_cs *engine);
bool i915_needs_cmd_parser(struct intel_engine_cs *engine);
@@ -3492,7 +3610,7 @@
extern int intel_opregion_setup(struct drm_device *dev);
extern void intel_opregion_init(struct drm_device *dev);
extern void intel_opregion_fini(struct drm_device *dev);
-extern void intel_opregion_asle_intr(struct drm_device *dev);
+extern void intel_opregion_asle_intr(struct drm_i915_private *dev_priv);
extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
bool enable);
extern int intel_opregion_notify_adapter(struct drm_device *dev,
@@ -3502,7 +3620,9 @@
static inline int intel_opregion_setup(struct drm_device *dev) { return 0; }
static inline void intel_opregion_init(struct drm_device *dev) { return; }
static inline void intel_opregion_fini(struct drm_device *dev) { return; }
-static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }
+static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
+{
+}
static inline int
intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable)
{
@@ -3538,26 +3658,25 @@
extern void intel_display_resume(struct drm_device *dev);
extern void i915_redisable_vga(struct drm_device *dev);
extern void i915_redisable_vga_power_on(struct drm_device *dev);
-extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
+extern bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val);
extern void intel_init_pch_refclk(struct drm_device *dev);
-extern void intel_set_rps(struct drm_device *dev, u8 val);
+extern void intel_set_rps(struct drm_i915_private *dev_priv, u8 val);
extern void intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
bool enable);
extern void intel_detect_pch(struct drm_device *dev);
-extern int intel_enable_rc6(const struct drm_device *dev);
-extern bool i915_semaphore_is_enabled(struct drm_device *dev);
+extern bool i915_semaphore_is_enabled(struct drm_i915_private *dev_priv);
int i915_reg_read_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
-int i915_get_reset_stats_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file);
/* overlay */
-extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
+extern struct intel_overlay_error_state *
+intel_overlay_capture_error_state(struct drm_i915_private *dev_priv);
extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
struct intel_overlay_error_state *error);
-extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
+extern struct intel_display_error_state *
+intel_display_capture_error_state(struct drm_i915_private *dev_priv);
extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
struct drm_device *dev,
struct intel_display_error_state *error);
@@ -3586,6 +3705,24 @@
u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
+/* intel_dpio_phy.c */
+void chv_set_phy_signal_level(struct intel_encoder *encoder,
+ u32 deemph_reg_value, u32 margin_reg_value,
+ bool uniq_trans_scale);
+void chv_data_lane_soft_reset(struct intel_encoder *encoder,
+ bool reset);
+void chv_phy_pre_pll_enable(struct intel_encoder *encoder);
+void chv_phy_pre_encoder_enable(struct intel_encoder *encoder);
+void chv_phy_release_cl2_override(struct intel_encoder *encoder);
+void chv_phy_post_pll_disable(struct intel_encoder *encoder);
+
+void vlv_set_phy_signal_level(struct intel_encoder *encoder,
+ u32 demph_reg_value, u32 preemph_reg_value,
+ u32 uniqtranscale_reg_value, u32 tx3_demph);
+void vlv_phy_pre_pll_enable(struct intel_encoder *encoder);
+void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder);
+void vlv_phy_reset_lanes(struct intel_encoder *encoder);
+
int intel_gpu_freq(struct drm_i915_private *dev_priv, int val);
int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index aad2685..12407bc 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -177,7 +177,7 @@
vaddr += PAGE_SIZE;
}
- i915_gem_chipset_flush(obj->base.dev);
+ i915_gem_chipset_flush(to_i915(obj->base.dev));
st = kmalloc(sizeof(*st), GFP_KERNEL);
if (st == NULL)
@@ -347,7 +347,7 @@
}
drm_clflush_virt_range(vaddr, args->size);
- i915_gem_chipset_flush(dev);
+ i915_gem_chipset_flush(to_i915(dev));
out:
intel_fb_obj_flush(obj, false, ORIGIN_CPU);
@@ -381,9 +381,9 @@
return -EINVAL;
/* Allocate the new object */
- obj = i915_gem_alloc_object(dev, size);
- if (obj == NULL)
- return -ENOMEM;
+ obj = i915_gem_object_create(dev, size);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
ret = drm_gem_handle_create(file, &obj->base, &handle);
/* drop reference from allocate - handle holds it now */
@@ -1006,7 +1006,7 @@
}
if (needs_clflush_after)
- i915_gem_chipset_flush(dev);
+ i915_gem_chipset_flush(to_i915(dev));
else
obj->cache_dirty = true;
@@ -1230,8 +1230,7 @@
struct intel_rps_client *rps)
{
struct intel_engine_cs *engine = i915_gem_request_get_engine(req);
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = req->i915;
const bool irq_test_in_progress =
ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_engine_flag(engine);
int state = interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE;
@@ -1413,6 +1412,13 @@
list_del_init(&request->list);
i915_gem_request_remove_from_client(request);
+ if (request->previous_context) {
+ if (i915.enable_execlists)
+ intel_lr_context_unpin(request->previous_context,
+ request->engine);
+ }
+
+ i915_gem_context_unreference(request->ctx);
i915_gem_request_unreference(request);
}
@@ -1422,7 +1428,7 @@
struct intel_engine_cs *engine = req->engine;
struct drm_i915_gem_request *tmp;
- lockdep_assert_held(&engine->dev->struct_mutex);
+ lockdep_assert_held(&engine->i915->dev->struct_mutex);
if (list_empty(&req->list))
return;
@@ -1982,7 +1988,7 @@
return size;
/* Previous chips need a power-of-two fence region when tiling */
- if (INTEL_INFO(dev)->gen == 3)
+ if (IS_GEN3(dev))
gtt_size = 1024*1024;
else
gtt_size = 512*1024;
@@ -2162,7 +2168,8 @@
static void
i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj)
{
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
+ struct page *page;
int ret;
BUG_ON(obj->madv == __I915_MADV_PURGED);
@@ -2184,9 +2191,7 @@
if (obj->madv == I915_MADV_DONTNEED)
obj->dirty = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
- struct page *page = sg_page_iter_page(&sg_iter);
-
+ for_each_sgt_page(page, sgt_iter, obj->pages) {
if (obj->dirty)
set_page_dirty(page);
@@ -2243,7 +2248,7 @@
struct address_space *mapping;
struct sg_table *st;
struct scatterlist *sg;
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
struct page *page;
unsigned long last_pfn = 0; /* suppress gcc warning */
int ret;
@@ -2340,8 +2345,8 @@
err_pages:
sg_mark_end(sg);
- for_each_sg_page(st->sgl, &sg_iter, st->nents, 0)
- put_page(sg_page_iter_page(&sg_iter));
+ for_each_sgt_page(page, sgt_iter, st)
+ put_page(page);
sg_free_table(st);
kfree(st);
@@ -2395,6 +2400,44 @@
return 0;
}
+/* The 'mapping' part of i915_gem_object_pin_map() below */
+static void *i915_gem_object_map(const struct drm_i915_gem_object *obj)
+{
+ unsigned long n_pages = obj->base.size >> PAGE_SHIFT;
+ struct sg_table *sgt = obj->pages;
+ struct sgt_iter sgt_iter;
+ struct page *page;
+ struct page *stack_pages[32];
+ struct page **pages = stack_pages;
+ unsigned long i = 0;
+ void *addr;
+
+ /* A single page can always be kmapped */
+ if (n_pages == 1)
+ return kmap(sg_page(sgt->sgl));
+
+ if (n_pages > ARRAY_SIZE(stack_pages)) {
+ /* Too big for stack -- allocate temporary array instead */
+ pages = drm_malloc_gfp(n_pages, sizeof(*pages), GFP_TEMPORARY);
+ if (!pages)
+ return NULL;
+ }
+
+ for_each_sgt_page(page, sgt_iter, sgt)
+ pages[i++] = page;
+
+ /* Check that we have the expected number of pages */
+ GEM_BUG_ON(i != n_pages);
+
+ addr = vmap(pages, n_pages, 0, PAGE_KERNEL);
+
+ if (pages != stack_pages)
+ drm_free_large(pages);
+
+ return addr;
+}
+
+/* get, pin, and map the pages of the object into kernel space */
void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj)
{
int ret;
@@ -2407,29 +2450,9 @@
i915_gem_object_pin_pages(obj);
- if (obj->mapping == NULL) {
- struct page **pages;
-
- pages = NULL;
- if (obj->base.size == PAGE_SIZE)
- obj->mapping = kmap(sg_page(obj->pages->sgl));
- else
- pages = drm_malloc_gfp(obj->base.size >> PAGE_SHIFT,
- sizeof(*pages),
- GFP_TEMPORARY);
- if (pages != NULL) {
- struct sg_page_iter sg_iter;
- int n;
-
- n = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter,
- obj->pages->nents, 0)
- pages[n++] = sg_page_iter_page(&sg_iter);
-
- obj->mapping = vmap(pages, n, 0, PAGE_KERNEL);
- drm_free_large(pages);
- }
- if (obj->mapping == NULL) {
+ if (!obj->mapping) {
+ obj->mapping = i915_gem_object_map(obj);
+ if (!obj->mapping) {
i915_gem_object_unpin_pages(obj);
return ERR_PTR(-ENOMEM);
}
@@ -2502,9 +2525,8 @@
}
static int
-i915_gem_init_seqno(struct drm_device *dev, u32 seqno)
+i915_gem_init_seqno(struct drm_i915_private *dev_priv, u32 seqno)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
int ret;
@@ -2514,7 +2536,7 @@
if (ret)
return ret;
}
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(dev_priv);
/* Finally reset hw state */
for_each_engine(engine, dev_priv)
@@ -2534,7 +2556,7 @@
/* HWS page needs to be set less than what we
* will inject to ring
*/
- ret = i915_gem_init_seqno(dev, seqno - 1);
+ ret = i915_gem_init_seqno(dev_priv, seqno - 1);
if (ret)
return ret;
@@ -2550,13 +2572,11 @@
}
int
-i915_gem_get_seqno(struct drm_device *dev, u32 *seqno)
+i915_gem_get_seqno(struct drm_i915_private *dev_priv, u32 *seqno)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/* reserve 0 for non-seqno */
if (dev_priv->next_seqno == 0) {
- int ret = i915_gem_init_seqno(dev, 0);
+ int ret = i915_gem_init_seqno(dev_priv, 0);
if (ret)
return ret;
@@ -2580,6 +2600,7 @@
struct drm_i915_private *dev_priv;
struct intel_ringbuffer *ringbuf;
u32 request_start;
+ u32 reserved_tail;
int ret;
if (WARN_ON(request == NULL))
@@ -2594,9 +2615,10 @@
* should already have been reserved in the ring buffer. Let the ring
* know that it is time to use that space up.
*/
- intel_ring_reserved_space_use(ringbuf);
-
request_start = intel_ring_get_tail(ringbuf);
+ reserved_tail = request->reserved_space;
+ request->reserved_space = 0;
+
/*
* Emit any outstanding flushes - execbuf can fail to emit the flush
* after having emitted the batchbuffer command. Hence we need to fix
@@ -2652,15 +2674,21 @@
/* Not allowed to fail! */
WARN(ret, "emit|add_request failed: %d!\n", ret);
- i915_queue_hangcheck(engine->dev);
+ i915_queue_hangcheck(engine->i915);
queue_delayed_work(dev_priv->wq,
&dev_priv->mm.retire_work,
round_jiffies_up_relative(HZ));
- intel_mark_busy(dev_priv->dev);
+ intel_mark_busy(dev_priv);
/* Sanity check that the reserved size was large enough. */
- intel_ring_reserved_space_end(ringbuf);
+ ret = intel_ring_get_tail(ringbuf) - request_start;
+ if (ret < 0)
+ ret += ringbuf->size;
+ WARN_ONCE(ret > reserved_tail,
+ "Not enough space reserved (%d bytes) "
+ "for adding the request (%d bytes)\n",
+ reserved_tail, ret);
}
static bool i915_context_is_banned(struct drm_i915_private *dev_priv,
@@ -2712,18 +2740,6 @@
{
struct drm_i915_gem_request *req = container_of(req_ref,
typeof(*req), ref);
- struct intel_context *ctx = req->ctx;
-
- if (req->file_priv)
- i915_gem_request_remove_from_client(req);
-
- if (ctx) {
- if (i915.enable_execlists && ctx != req->i915->kernel_context)
- intel_lr_context_unpin(ctx, req->engine);
-
- i915_gem_context_unreference(ctx);
- }
-
kmem_cache_free(req->i915->requests, req);
}
@@ -2732,7 +2748,7 @@
struct intel_context *ctx,
struct drm_i915_gem_request **req_out)
{
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned reset_counter = i915_reset_counter(&dev_priv->gpu_error);
struct drm_i915_gem_request *req;
int ret;
@@ -2754,7 +2770,7 @@
if (req == NULL)
return -ENOMEM;
- ret = i915_gem_get_seqno(engine->dev, &req->seqno);
+ ret = i915_gem_get_seqno(engine->i915, &req->seqno);
if (ret)
goto err;
@@ -2765,15 +2781,6 @@
req->ctx = ctx;
i915_gem_context_reference(req->ctx);
- if (i915.enable_execlists)
- ret = intel_logical_ring_alloc_request_extras(req);
- else
- ret = intel_ring_alloc_request_extras(req);
- if (ret) {
- i915_gem_context_unreference(req->ctx);
- goto err;
- }
-
/*
* Reserve space in the ring buffer for all the commands required to
* eventually emit this request. This is to guarantee that the
@@ -2781,24 +2788,20 @@
* to be redone if the request is not actually submitted straight
* away, e.g. because a GPU scheduler has deferred it.
*/
+ req->reserved_space = MIN_SPACE_FOR_ADD_REQUEST;
+
if (i915.enable_execlists)
- ret = intel_logical_ring_reserve_space(req);
+ ret = intel_logical_ring_alloc_request_extras(req);
else
- ret = intel_ring_reserve_space(req);
- if (ret) {
- /*
- * At this point, the request is fully allocated even if not
- * fully prepared. Thus it can be cleaned up using the proper
- * free code.
- */
- intel_ring_reserved_space_cancel(req->ringbuf);
- i915_gem_request_unreference(req);
- return ret;
- }
+ ret = intel_ring_alloc_request_extras(req);
+ if (ret)
+ goto err_ctx;
*req_out = req;
return 0;
+err_ctx:
+ i915_gem_context_unreference(ctx);
err:
kmem_cache_free(dev_priv->requests, req);
return ret;
@@ -2824,7 +2827,7 @@
int err;
if (ctx == NULL)
- ctx = to_i915(engine->dev)->kernel_context;
+ ctx = engine->i915->kernel_context;
err = __i915_gem_request_alloc(engine, ctx, &req);
return err ? ERR_PTR(err) : req;
}
@@ -2888,13 +2891,7 @@
/* Ensure irq handler finishes or is cancelled. */
tasklet_kill(&engine->irq_tasklet);
- spin_lock_bh(&engine->execlist_lock);
- /* list_splice_tail_init checks for empty lists */
- list_splice_tail_init(&engine->execlist_queue,
- &engine->execlist_retired_req_list);
- spin_unlock_bh(&engine->execlist_lock);
-
- intel_execlists_retire_requests(engine);
+ intel_execlists_cancel_requests(engine);
}
/*
@@ -3005,9 +3002,8 @@
}
bool
-i915_gem_retire_requests(struct drm_device *dev)
+i915_gem_retire_requests(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
bool idle = true;
@@ -3018,8 +3014,6 @@
spin_lock_bh(&engine->execlist_lock);
idle &= list_empty(&engine->execlist_queue);
spin_unlock_bh(&engine->execlist_lock);
-
- intel_execlists_retire_requests(engine);
}
}
@@ -3042,7 +3036,7 @@
/* Come back later if the device is busy... */
idle = false;
if (mutex_trylock(&dev->struct_mutex)) {
- idle = i915_gem_retire_requests(dev);
+ idle = i915_gem_retire_requests(dev_priv);
mutex_unlock(&dev->struct_mutex);
}
if (!idle)
@@ -3066,7 +3060,7 @@
* Also locking seems to be fubar here, engine->request_list is protected
* by dev->struct_mutex. */
- intel_mark_idle(dev);
+ intel_mark_idle(dev_priv);
if (mutex_trylock(&dev->struct_mutex)) {
for_each_engine(engine, dev_priv)
@@ -3096,14 +3090,8 @@
if (req == NULL)
continue;
- if (list_empty(&req->list))
- goto retire;
-
- if (i915_gem_request_completed(req, true)) {
- __i915_gem_request_retire__upto(req);
-retire:
+ if (i915_gem_request_completed(req, true))
i915_gem_object_retire__read(obj, i);
- }
}
return 0;
@@ -3185,7 +3173,7 @@
ret = __i915_wait_request(req[i], true,
args->timeout_ns > 0 ? &args->timeout_ns : NULL,
to_rps_client(file));
- i915_gem_request_unreference__unlocked(req[i]);
+ i915_gem_request_unreference(req[i]);
}
return ret;
@@ -3211,7 +3199,7 @@
if (i915_gem_request_completed(from_req, true))
return 0;
- if (!i915_semaphore_is_enabled(obj->base.dev)) {
+ if (!i915_semaphore_is_enabled(to_i915(obj->base.dev))) {
struct drm_i915_private *i915 = to_i915(obj->base.dev);
ret = __i915_wait_request(from_req,
i915->mm.interruptible,
@@ -3345,6 +3333,17 @@
old_write_domain);
}
+static void __i915_vma_iounmap(struct i915_vma *vma)
+{
+ GEM_BUG_ON(vma->pin_count);
+
+ if (vma->iomap == NULL)
+ return;
+
+ io_mapping_unmap(vma->iomap);
+ vma->iomap = NULL;
+}
+
static int __i915_vma_unbind(struct i915_vma *vma, bool wait)
{
struct drm_i915_gem_object *obj = vma->obj;
@@ -3377,6 +3376,8 @@
ret = i915_gem_object_put_fence(obj);
if (ret)
return ret;
+
+ __i915_vma_iounmap(vma);
}
trace_i915_vma_unbind(vma);
@@ -3731,7 +3732,7 @@
return;
if (i915_gem_clflush_object(obj, obj->pin_display))
- i915_gem_chipset_flush(obj->base.dev);
+ i915_gem_chipset_flush(to_i915(obj->base.dev));
old_write_domain = obj->base.write_domain;
obj->base.write_domain = 0;
@@ -3929,7 +3930,7 @@
obj->base.write_domain != I915_GEM_DOMAIN_CPU &&
cpu_write_needs_clflush(obj)) {
if (i915_gem_clflush_object(obj, true))
- i915_gem_chipset_flush(obj->base.dev);
+ i915_gem_chipset_flush(to_i915(obj->base.dev));
}
return 0;
@@ -4198,7 +4199,7 @@
if (ret == 0)
queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, 0);
- i915_gem_request_unreference__unlocked(target);
+ i915_gem_request_unreference(target);
return ret;
}
@@ -4499,21 +4500,21 @@
.put_pages = i915_gem_object_put_pages_gtt,
};
-struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
+struct drm_i915_gem_object *i915_gem_object_create(struct drm_device *dev,
size_t size)
{
struct drm_i915_gem_object *obj;
struct address_space *mapping;
gfp_t mask;
+ int ret;
obj = i915_gem_object_alloc(dev);
if (obj == NULL)
- return NULL;
+ return ERR_PTR(-ENOMEM);
- if (drm_gem_object_init(dev, &obj->base, size) != 0) {
- i915_gem_object_free(obj);
- return NULL;
- }
+ ret = drm_gem_object_init(dev, &obj->base, size);
+ if (ret)
+ goto fail;
mask = GFP_HIGHUSER | __GFP_RECLAIMABLE;
if (IS_CRESTLINE(dev) || IS_BROADWATER(dev)) {
@@ -4550,6 +4551,11 @@
trace_i915_gem_object_create(obj);
return obj;
+
+fail:
+ i915_gem_object_free(obj);
+
+ return ERR_PTR(ret);
}
static bool discard_backing_storage(struct drm_i915_gem_object *obj)
@@ -4655,16 +4661,12 @@
struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
const struct i915_ggtt_view *view)
{
- struct drm_device *dev = obj->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct i915_vma *vma;
- BUG_ON(!view);
+ GEM_BUG_ON(!view);
list_for_each_entry(vma, &obj->vma_list, obj_link)
- if (vma->vm == &ggtt->base &&
- i915_ggtt_view_equal(&vma->ggtt_view, view))
+ if (vma->is_ggtt && i915_ggtt_view_equal(&vma->ggtt_view, view))
return vma;
return NULL;
}
@@ -4706,9 +4708,10 @@
if (ret)
goto err;
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(dev_priv);
i915_gem_stop_engines(dev);
+ i915_gem_context_lost(dev_priv);
mutex_unlock(&dev->struct_mutex);
cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work);
@@ -4727,37 +4730,6 @@
return ret;
}
-int i915_gem_l3_remap(struct drm_i915_gem_request *req, int slice)
-{
- struct intel_engine_cs *engine = req->engine;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 *remap_info = dev_priv->l3_parity.remap_info[slice];
- int i, ret;
-
- if (!HAS_L3_DPF(dev) || !remap_info)
- return 0;
-
- ret = intel_ring_begin(req, GEN7_L3LOG_SIZE / 4 * 3);
- if (ret)
- return ret;
-
- /*
- * Note: We do not worry about the concurrent register cacheline hang
- * here because no other code should access these registers other than
- * at initialization time.
- */
- for (i = 0; i < GEN7_L3LOG_SIZE / 4; i++) {
- intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
- intel_ring_emit_reg(engine, GEN7_L3LOG(slice, i));
- intel_ring_emit(engine, remap_info[i]);
- }
-
- intel_ring_advance(engine);
-
- return ret;
-}
-
void i915_gem_init_swizzling(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4862,7 +4834,7 @@
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
- int ret, j;
+ int ret;
/* Double layer security blanket, see i915_gem_init() */
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
@@ -4928,44 +4900,6 @@
* on re-initialisation
*/
ret = i915_gem_set_seqno(dev, dev_priv->next_seqno+0x100);
- if (ret)
- goto out;
-
- /* Now it is safe to go back round and do everything else: */
- for_each_engine(engine, dev_priv) {
- struct drm_i915_gem_request *req;
-
- req = i915_gem_request_alloc(engine, NULL);
- if (IS_ERR(req)) {
- ret = PTR_ERR(req);
- break;
- }
-
- if (engine->id == RCS) {
- for (j = 0; j < NUM_L3_SLICES(dev); j++) {
- ret = i915_gem_l3_remap(req, j);
- if (ret)
- goto err_request;
- }
- }
-
- ret = i915_ppgtt_init_ring(req);
- if (ret)
- goto err_request;
-
- ret = i915_gem_context_enable(req);
- if (ret)
- goto err_request;
-
-err_request:
- i915_add_request_no_flush(req);
- if (ret) {
- DRM_ERROR("Failed to enable %s, error=%d\n",
- engine->name, ret);
- i915_gem_cleanup_engines(dev);
- break;
- }
- }
out:
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
@@ -4977,9 +4911,6 @@
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
- i915.enable_execlists = intel_sanitize_enable_execlists(dev,
- i915.enable_execlists);
-
mutex_lock(&dev->struct_mutex);
if (!i915.enable_execlists) {
@@ -5002,10 +4933,7 @@
*/
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
- ret = i915_gem_init_userptr(dev);
- if (ret)
- goto out_unlock;
-
+ i915_gem_init_userptr(dev_priv);
i915_gem_init_ggtt(dev);
ret = i915_gem_context_init(dev);
@@ -5042,14 +4970,6 @@
for_each_engine(engine, dev_priv)
dev_priv->gt.cleanup_engine(engine);
-
- if (i915.enable_execlists)
- /*
- * Neither the BIOS, ourselves or any other kernel
- * expects the system to be in execlists mode on startup,
- * so we need to reset the GPU back to legacy mode.
- */
- intel_gpu_reset(dev, ALL_ENGINES);
}
static void
@@ -5073,7 +4993,7 @@
else
dev_priv->num_fence_regs = 8;
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
dev_priv->num_fence_regs =
I915_READ(vgtif_reg(avail_rs.fence_num));
@@ -5148,6 +5068,34 @@
kmem_cache_destroy(dev_priv->objects);
}
+int i915_gem_freeze_late(struct drm_i915_private *dev_priv)
+{
+ struct drm_i915_gem_object *obj;
+
+ /* Called just before we write the hibernation image.
+ *
+ * We need to update the domain tracking to reflect that the CPU
+ * will be accessing all the pages to create and restore from the
+ * hibernation, and so upon restoration those pages will be in the
+ * CPU domain.
+ *
+ * To make sure the hibernation image contains the latest state,
+ * we update that state just before writing out the image.
+ */
+
+ list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
+ obj->base.read_domains = I915_GEM_DOMAIN_CPU;
+ obj->base.write_domain = I915_GEM_DOMAIN_CPU;
+ }
+
+ list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+ obj->base.read_domains = I915_GEM_DOMAIN_CPU;
+ obj->base.write_domain = I915_GEM_DOMAIN_CPU;
+ }
+
+ return 0;
+}
+
void i915_gem_release(struct drm_device *dev, struct drm_file *file)
{
struct drm_i915_file_private *file_priv = file->driver_priv;
@@ -5254,13 +5202,10 @@
u64 i915_gem_obj_ggtt_offset_view(struct drm_i915_gem_object *o,
const struct i915_ggtt_view *view)
{
- struct drm_i915_private *dev_priv = to_i915(o->base.dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct i915_vma *vma;
list_for_each_entry(vma, &o->vma_list, obj_link)
- if (vma->vm == &ggtt->base &&
- i915_ggtt_view_equal(&vma->ggtt_view, view))
+ if (vma->is_ggtt && i915_ggtt_view_equal(&vma->ggtt_view, view))
return vma->node.start;
WARN(1, "global vma for this object not found. (view=%u)\n", view->type);
@@ -5286,12 +5231,10 @@
bool i915_gem_obj_ggtt_bound_view(struct drm_i915_gem_object *o,
const struct i915_ggtt_view *view)
{
- struct drm_i915_private *dev_priv = to_i915(o->base.dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct i915_vma *vma;
list_for_each_entry(vma, &o->vma_list, obj_link)
- if (vma->vm == &ggtt->base &&
+ if (vma->is_ggtt &&
i915_ggtt_view_equal(&vma->ggtt_view, view) &&
drm_mm_node_allocated(&vma->node))
return true;
@@ -5310,23 +5253,18 @@
return false;
}
-unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
- struct i915_address_space *vm)
+unsigned long i915_gem_obj_ggtt_size(struct drm_i915_gem_object *o)
{
- struct drm_i915_private *dev_priv = o->base.dev->dev_private;
struct i915_vma *vma;
- WARN_ON(vm == &dev_priv->mm.aliasing_ppgtt->base);
-
- BUG_ON(list_empty(&o->vma_list));
+ GEM_BUG_ON(list_empty(&o->vma_list));
list_for_each_entry(vma, &o->vma_list, obj_link) {
if (vma->is_ggtt &&
- vma->ggtt_view.type != I915_GGTT_VIEW_NORMAL)
- continue;
- if (vma->vm == vm)
+ vma->ggtt_view.type == I915_GGTT_VIEW_NORMAL)
return vma->node.size;
}
+
return 0;
}
@@ -5365,8 +5303,8 @@
size_t bytes;
int ret;
- obj = i915_gem_alloc_object(dev, round_up(size, PAGE_SIZE));
- if (IS_ERR_OR_NULL(obj))
+ obj = i915_gem_object_create(dev, round_up(size, PAGE_SIZE));
+ if (IS_ERR(obj))
return obj;
ret = i915_gem_object_set_to_cpu_domain(obj, true);
diff --git a/drivers/gpu/drm/i915/i915_gem_batch_pool.c b/drivers/gpu/drm/i915/i915_gem_batch_pool.c
index 7bf2f3f..3752d5d 100644
--- a/drivers/gpu/drm/i915/i915_gem_batch_pool.c
+++ b/drivers/gpu/drm/i915/i915_gem_batch_pool.c
@@ -134,9 +134,9 @@
if (obj == NULL) {
int ret;
- obj = i915_gem_alloc_object(pool->dev, size);
- if (obj == NULL)
- return ERR_PTR(-ENOMEM);
+ obj = i915_gem_object_create(pool->dev, size);
+ if (IS_ERR(obj))
+ return obj;
ret = i915_gem_object_get_pages(obj);
if (ret)
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index e5acc39..2aedd18 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -90,6 +90,8 @@
#include "i915_drv.h"
#include "i915_trace.h"
+#define ALL_L3_SLICES(dev) (1 << NUM_L3_SLICES(dev)) - 1
+
/* This is a HW constraint. The value below is the largest known requirement
* I've seen in a spec to date, and that was a workaround for a non-shipping
* part. It should be safe to decrease this, but it's more future proof as is.
@@ -97,28 +99,27 @@
#define GEN6_CONTEXT_ALIGN (64<<10)
#define GEN7_CONTEXT_ALIGN 4096
-static size_t get_context_alignment(struct drm_device *dev)
+static size_t get_context_alignment(struct drm_i915_private *dev_priv)
{
- if (IS_GEN6(dev))
+ if (IS_GEN6(dev_priv))
return GEN6_CONTEXT_ALIGN;
return GEN7_CONTEXT_ALIGN;
}
-static int get_context_size(struct drm_device *dev)
+static int get_context_size(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
u32 reg;
- switch (INTEL_INFO(dev)->gen) {
+ switch (INTEL_GEN(dev_priv)) {
case 6:
reg = I915_READ(CXT_SIZE);
ret = GEN6_CXT_TOTAL_SIZE(reg) * 64;
break;
case 7:
reg = I915_READ(GEN7_CXT_SIZE);
- if (IS_HASWELL(dev))
+ if (IS_HASWELL(dev_priv))
ret = HSW_CXT_TOTAL_SIZE;
else
ret = GEN7_CXT_TOTAL_SIZE(reg) * 64;
@@ -169,6 +170,8 @@
if (ctx->legacy_hw_ctx.rcs_state)
drm_gem_object_unreference(&ctx->legacy_hw_ctx.rcs_state->base);
list_del(&ctx->link);
+
+ ida_simple_remove(&ctx->i915->context_hw_ida, ctx->hw_id);
kfree(ctx);
}
@@ -178,9 +181,9 @@
struct drm_i915_gem_object *obj;
int ret;
- obj = i915_gem_alloc_object(dev, size);
- if (obj == NULL)
- return ERR_PTR(-ENOMEM);
+ obj = i915_gem_object_create(dev, size);
+ if (IS_ERR(obj))
+ return obj;
/*
* Try to make the context utilize L3 as well as LLC.
@@ -209,6 +212,28 @@
return obj;
}
+static int assign_hw_id(struct drm_i915_private *dev_priv, unsigned *out)
+{
+ int ret;
+
+ ret = ida_simple_get(&dev_priv->context_hw_ida,
+ 0, MAX_CONTEXT_HW_ID, GFP_KERNEL);
+ if (ret < 0) {
+ /* Contexts are only released when no longer active.
+ * Flush any pending retires to hopefully release some
+ * stale contexts and try again.
+ */
+ i915_gem_retire_requests(dev_priv);
+ ret = ida_simple_get(&dev_priv->context_hw_ida,
+ 0, MAX_CONTEXT_HW_ID, GFP_KERNEL);
+ if (ret < 0)
+ return ret;
+ }
+
+ *out = ret;
+ return 0;
+}
+
static struct intel_context *
__create_hw_context(struct drm_device *dev,
struct drm_i915_file_private *file_priv)
@@ -221,6 +246,12 @@
if (ctx == NULL)
return ERR_PTR(-ENOMEM);
+ ret = assign_hw_id(dev_priv, &ctx->hw_id);
+ if (ret) {
+ kfree(ctx);
+ return ERR_PTR(ret);
+ }
+
kref_init(&ctx->ref);
list_add_tail(&ctx->link, &dev_priv->context_list);
ctx->i915 = dev_priv;
@@ -249,7 +280,7 @@
/* NB: Mark all slices as needing a remap so that when the context first
* loads it will restore whatever remap state already exists. If there
* is no remap info, it will be a NOP. */
- ctx->remap_slice = (1 << NUM_L3_SLICES(dev)) - 1;
+ ctx->remap_slice = ALL_L3_SLICES(dev_priv);
ctx->hang_stats.ban_period_seconds = DRM_I915_CTX_BAN_PERIOD;
@@ -288,7 +319,7 @@
* context.
*/
ret = i915_gem_obj_ggtt_pin(ctx->legacy_hw_ctx.rcs_state,
- get_context_alignment(dev), 0);
+ get_context_alignment(to_i915(dev)), 0);
if (ret) {
DRM_DEBUG_DRIVER("Couldn't pin %d\n", ret);
goto err_destroy;
@@ -336,7 +367,6 @@
void i915_gem_context_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- int i;
if (i915.enable_execlists) {
struct intel_context *ctx;
@@ -345,17 +375,7 @@
intel_lr_context_reset(dev_priv, ctx);
}
- for (i = 0; i < I915_NUM_ENGINES; i++) {
- struct intel_engine_cs *engine = &dev_priv->engine[i];
-
- if (engine->last_context) {
- i915_gem_context_unpin(engine->last_context, engine);
- engine->last_context = NULL;
- }
- }
-
- /* Force the GPU state to be reinitialised on enabling */
- dev_priv->kernel_context->legacy_hw_ctx.initialized = false;
+ i915_gem_context_lost(dev_priv);
}
int i915_gem_context_init(struct drm_device *dev)
@@ -368,19 +388,25 @@
if (WARN_ON(dev_priv->kernel_context))
return 0;
- if (intel_vgpu_active(dev) && HAS_LOGICAL_RING_CONTEXTS(dev)) {
+ if (intel_vgpu_active(dev_priv) &&
+ HAS_LOGICAL_RING_CONTEXTS(dev_priv)) {
if (!i915.enable_execlists) {
DRM_INFO("Only EXECLIST mode is supported in vgpu.\n");
return -EINVAL;
}
}
+ /* Using the simple ida interface, the max is limited by sizeof(int) */
+ BUILD_BUG_ON(MAX_CONTEXT_HW_ID > INT_MAX);
+ ida_init(&dev_priv->context_hw_ida);
+
if (i915.enable_execlists) {
/* NB: intentionally left blank. We will allocate our own
* backing objects as we need them, thank you very much */
dev_priv->hw_context_size = 0;
- } else if (HAS_HW_CONTEXTS(dev)) {
- dev_priv->hw_context_size = round_up(get_context_size(dev), 4096);
+ } else if (HAS_HW_CONTEXTS(dev_priv)) {
+ dev_priv->hw_context_size =
+ round_up(get_context_size(dev_priv), 4096);
if (dev_priv->hw_context_size > (1<<20)) {
DRM_DEBUG_DRIVER("Disabling HW Contexts; invalid size %d\n",
dev_priv->hw_context_size);
@@ -403,61 +429,35 @@
return 0;
}
+void i915_gem_context_lost(struct drm_i915_private *dev_priv)
+{
+ struct intel_engine_cs *engine;
+
+ for_each_engine(engine, dev_priv) {
+ if (engine->last_context == NULL)
+ continue;
+
+ i915_gem_context_unpin(engine->last_context, engine);
+ engine->last_context = NULL;
+ }
+
+ /* Force the GPU state to be reinitialised on enabling */
+ dev_priv->kernel_context->legacy_hw_ctx.initialized = false;
+ dev_priv->kernel_context->remap_slice = ALL_L3_SLICES(dev_priv);
+}
+
void i915_gem_context_fini(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_context *dctx = dev_priv->kernel_context;
- int i;
- if (dctx->legacy_hw_ctx.rcs_state) {
- /* The only known way to stop the gpu from accessing the hw context is
- * to reset it. Do this as the very last operation to avoid confusing
- * other code, leading to spurious errors. */
- intel_gpu_reset(dev, ALL_ENGINES);
-
- /* When default context is created and switched to, base object refcount
- * will be 2 (+1 from object creation and +1 from do_switch()).
- * i915_gem_context_fini() will be called after gpu_idle() has switched
- * to default context. So we need to unreference the base object once
- * to offset the do_switch part, so that i915_gem_context_unreference()
- * can then free the base object correctly. */
- WARN_ON(!dev_priv->engine[RCS].last_context);
-
+ if (dctx->legacy_hw_ctx.rcs_state)
i915_gem_object_ggtt_unpin(dctx->legacy_hw_ctx.rcs_state);
- }
-
- for (i = I915_NUM_ENGINES; --i >= 0;) {
- struct intel_engine_cs *engine = &dev_priv->engine[i];
-
- if (engine->last_context) {
- i915_gem_context_unpin(engine->last_context, engine);
- engine->last_context = NULL;
- }
- }
i915_gem_context_unreference(dctx);
dev_priv->kernel_context = NULL;
-}
-int i915_gem_context_enable(struct drm_i915_gem_request *req)
-{
- struct intel_engine_cs *engine = req->engine;
- int ret;
-
- if (i915.enable_execlists) {
- if (engine->init_context == NULL)
- return 0;
-
- ret = engine->init_context(req);
- } else
- ret = i915_switch_context(req);
-
- if (ret) {
- DRM_ERROR("ring init context: %d\n", ret);
- return ret;
- }
-
- return 0;
+ ida_destroy(&dev_priv->context_hw_ida);
}
static int context_idr_cleanup(int id, void *p, void *data)
@@ -510,12 +510,13 @@
static inline int
mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags)
{
+ struct drm_i915_private *dev_priv = req->i915;
struct intel_engine_cs *engine = req->engine;
u32 flags = hw_flags | MI_MM_SPACE_GTT;
const int num_rings =
/* Use an extended w/a on ivb+ if signalling from other rings */
- i915_semaphore_is_enabled(engine->dev) ?
- hweight32(INTEL_INFO(engine->dev)->ring_mask) - 1 :
+ i915_semaphore_is_enabled(dev_priv) ?
+ hweight32(INTEL_INFO(dev_priv)->ring_mask) - 1 :
0;
int len, ret;
@@ -524,21 +525,21 @@
* explicitly, so we rely on the value at ring init, stored in
* itlb_before_ctx_switch.
*/
- if (IS_GEN6(engine->dev)) {
+ if (IS_GEN6(dev_priv)) {
ret = engine->flush(req, I915_GEM_GPU_DOMAINS, 0);
if (ret)
return ret;
}
/* These flags are for resource streamer on HSW+ */
- if (IS_HASWELL(engine->dev) || INTEL_INFO(engine->dev)->gen >= 8)
+ if (IS_HASWELL(dev_priv) || INTEL_GEN(dev_priv) >= 8)
flags |= (HSW_MI_RS_SAVE_STATE_EN | HSW_MI_RS_RESTORE_STATE_EN);
- else if (INTEL_INFO(engine->dev)->gen < 8)
+ else if (INTEL_GEN(dev_priv) < 8)
flags |= (MI_SAVE_EXT_STATE_EN | MI_RESTORE_EXT_STATE_EN);
len = 4;
- if (INTEL_INFO(engine->dev)->gen >= 7)
+ if (INTEL_GEN(dev_priv) >= 7)
len += 2 + (num_rings ? 4*num_rings + 6 : 0);
ret = intel_ring_begin(req, len);
@@ -546,14 +547,14 @@
return ret;
/* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw,chv */
- if (INTEL_INFO(engine->dev)->gen >= 7) {
+ if (INTEL_GEN(dev_priv) >= 7) {
intel_ring_emit(engine, MI_ARB_ON_OFF | MI_ARB_DISABLE);
if (num_rings) {
struct intel_engine_cs *signaller;
intel_ring_emit(engine,
MI_LOAD_REGISTER_IMM(num_rings));
- for_each_engine(signaller, to_i915(engine->dev)) {
+ for_each_engine(signaller, dev_priv) {
if (signaller == engine)
continue;
@@ -576,14 +577,14 @@
*/
intel_ring_emit(engine, MI_NOOP);
- if (INTEL_INFO(engine->dev)->gen >= 7) {
+ if (INTEL_GEN(dev_priv) >= 7) {
if (num_rings) {
struct intel_engine_cs *signaller;
i915_reg_t last_reg = {}; /* keep gcc quiet */
intel_ring_emit(engine,
MI_LOAD_REGISTER_IMM(num_rings));
- for_each_engine(signaller, to_i915(engine->dev)) {
+ for_each_engine(signaller, dev_priv) {
if (signaller == engine)
continue;
@@ -609,7 +610,37 @@
return ret;
}
-static inline bool skip_rcs_switch(struct intel_engine_cs *engine,
+static int remap_l3(struct drm_i915_gem_request *req, int slice)
+{
+ u32 *remap_info = req->i915->l3_parity.remap_info[slice];
+ struct intel_engine_cs *engine = req->engine;
+ int i, ret;
+
+ if (!remap_info)
+ return 0;
+
+ ret = intel_ring_begin(req, GEN7_L3LOG_SIZE/4 * 2 + 2);
+ if (ret)
+ return ret;
+
+ /*
+ * Note: We do not worry about the concurrent register cacheline hang
+ * here because no other code should access these registers other than
+ * at initialization time.
+ */
+ intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(GEN7_L3LOG_SIZE/4));
+ for (i = 0; i < GEN7_L3LOG_SIZE/4; i++) {
+ intel_ring_emit_reg(engine, GEN7_L3LOG(slice, i));
+ intel_ring_emit(engine, remap_info[i]);
+ }
+ intel_ring_emit(engine, MI_NOOP);
+ intel_ring_advance(engine);
+
+ return 0;
+}
+
+static inline bool skip_rcs_switch(struct i915_hw_ppgtt *ppgtt,
+ struct intel_engine_cs *engine,
struct intel_context *to)
{
if (to->remap_slice)
@@ -618,36 +649,44 @@
if (!to->legacy_hw_ctx.initialized)
return false;
- if (to->ppgtt &&
- !(intel_engine_flag(engine) & to->ppgtt->pd_dirty_rings))
+ if (ppgtt && (intel_engine_flag(engine) & ppgtt->pd_dirty_rings))
return false;
return to == engine->last_context;
}
static bool
-needs_pd_load_pre(struct intel_engine_cs *engine, struct intel_context *to)
+needs_pd_load_pre(struct i915_hw_ppgtt *ppgtt,
+ struct intel_engine_cs *engine,
+ struct intel_context *to)
{
- if (!to->ppgtt)
+ if (!ppgtt)
return false;
+ /* Always load the ppgtt on first use */
+ if (!engine->last_context)
+ return true;
+
+ /* Same context without new entries, skip */
if (engine->last_context == to &&
- !(intel_engine_flag(engine) & to->ppgtt->pd_dirty_rings))
+ !(intel_engine_flag(engine) & ppgtt->pd_dirty_rings))
return false;
if (engine->id != RCS)
return true;
- if (INTEL_INFO(engine->dev)->gen < 8)
+ if (INTEL_GEN(engine->i915) < 8)
return true;
return false;
}
static bool
-needs_pd_load_post(struct intel_context *to, u32 hw_flags)
+needs_pd_load_post(struct i915_hw_ppgtt *ppgtt,
+ struct intel_context *to,
+ u32 hw_flags)
{
- if (!to->ppgtt)
+ if (!ppgtt)
return false;
if (!IS_GEN8(to->i915))
@@ -663,16 +702,17 @@
{
struct intel_context *to = req->ctx;
struct intel_engine_cs *engine = req->engine;
+ struct i915_hw_ppgtt *ppgtt = to->ppgtt ?: req->i915->mm.aliasing_ppgtt;
struct intel_context *from;
u32 hw_flags;
int ret, i;
- if (skip_rcs_switch(engine, to))
+ if (skip_rcs_switch(ppgtt, engine, to))
return 0;
/* Trying to pin first makes error handling easier. */
ret = i915_gem_obj_ggtt_pin(to->legacy_hw_ctx.rcs_state,
- get_context_alignment(engine->dev),
+ get_context_alignment(engine->i915),
0);
if (ret)
return ret;
@@ -698,13 +738,13 @@
if (ret)
goto unpin_out;
- if (needs_pd_load_pre(engine, to)) {
+ if (needs_pd_load_pre(ppgtt, engine, to)) {
/* Older GENs and non render rings still want the load first,
* "PP_DCLV followed by PP_DIR_BASE register through Load
* Register Immediate commands in Ring Buffer before submitting
* a context."*/
trace_switch_mm(engine, to);
- ret = to->ppgtt->switch_mm(to->ppgtt, req);
+ ret = ppgtt->switch_mm(ppgtt, req);
if (ret)
goto unpin_out;
}
@@ -715,16 +755,11 @@
* space. This means we must enforce that a page table load
* occur when this occurs. */
hw_flags = MI_RESTORE_INHIBIT;
- else if (to->ppgtt &&
- intel_engine_flag(engine) & to->ppgtt->pd_dirty_rings)
+ else if (ppgtt && intel_engine_flag(engine) & ppgtt->pd_dirty_rings)
hw_flags = MI_FORCE_RESTORE;
else
hw_flags = 0;
- /* We should never emit switch_mm more than once */
- WARN_ON(needs_pd_load_pre(engine, to) &&
- needs_pd_load_post(to, hw_flags));
-
if (to != from || (hw_flags & MI_FORCE_RESTORE)) {
ret = mi_set_context(req, hw_flags);
if (ret)
@@ -759,9 +794,9 @@
/* GEN8 does *not* require an explicit reload if the PDPs have been
* setup, and we do not wish to move them.
*/
- if (needs_pd_load_post(to, hw_flags)) {
+ if (needs_pd_load_post(ppgtt, to, hw_flags)) {
trace_switch_mm(engine, to);
- ret = to->ppgtt->switch_mm(to->ppgtt, req);
+ ret = ppgtt->switch_mm(ppgtt, req);
/* The hardware context switch is emitted, but we haven't
* actually changed the state - so it's probably safe to bail
* here. Still, let the user know something dangerous has
@@ -771,14 +806,14 @@
return ret;
}
- if (to->ppgtt)
- to->ppgtt->pd_dirty_rings &= ~intel_engine_flag(engine);
+ if (ppgtt)
+ ppgtt->pd_dirty_rings &= ~intel_engine_flag(engine);
for (i = 0; i < MAX_L3_SLICES; i++) {
if (!(to->remap_slice & (1<<i)))
continue;
- ret = i915_gem_l3_remap(req, i);
+ ret = remap_l3(req, i);
if (ret)
return ret;
@@ -825,17 +860,18 @@
if (engine->id != RCS ||
req->ctx->legacy_hw_ctx.rcs_state == NULL) {
struct intel_context *to = req->ctx;
+ struct i915_hw_ppgtt *ppgtt =
+ to->ppgtt ?: req->i915->mm.aliasing_ppgtt;
- if (needs_pd_load_pre(engine, to)) {
+ if (needs_pd_load_pre(ppgtt, engine, to)) {
int ret;
trace_switch_mm(engine, to);
- ret = to->ppgtt->switch_mm(to->ppgtt, req);
+ ret = ppgtt->switch_mm(ppgtt, req);
if (ret)
return ret;
- /* Doing a PD load always reloads the page dirs */
- to->ppgtt->pd_dirty_rings &= ~intel_engine_flag(engine);
+ ppgtt->pd_dirty_rings &= ~intel_engine_flag(engine);
}
if (to != engine->last_context) {
@@ -1004,3 +1040,42 @@
return ret;
}
+
+int i915_gem_context_reset_stats_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_reset_stats *args = data;
+ struct i915_ctx_hang_stats *hs;
+ struct intel_context *ctx;
+ int ret;
+
+ if (args->flags || args->pad)
+ return -EINVAL;
+
+ if (args->ctx_id == DEFAULT_CONTEXT_HANDLE && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
+ ctx = i915_gem_context_get(file->driver_priv, args->ctx_id);
+ if (IS_ERR(ctx)) {
+ mutex_unlock(&dev->struct_mutex);
+ return PTR_ERR(ctx);
+ }
+ hs = &ctx->hang_stats;
+
+ if (capable(CAP_SYS_ADMIN))
+ args->reset_count = i915_reset_count(&dev_priv->gpu_error);
+ else
+ args->reset_count = 0;
+
+ args->batch_active = hs->batch_active;
+ args->batch_pending = hs->batch_pending;
+
+ mutex_unlock(&dev->struct_mutex);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index ea1f8d1..b144c3f 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -154,7 +154,7 @@
if (ret)
return ret;
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(to_i915(dev));
goto search_again;
}
@@ -265,7 +265,7 @@
if (ret)
return ret;
- i915_gem_retire_requests(vm->dev);
+ i915_gem_retire_requests(to_i915(vm->dev));
WARN_ON(!list_empty(&vm->active_list));
}
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 33df74d..f315e78 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -722,7 +722,7 @@
struct i915_address_space *vm;
struct list_head ordered_vmas;
struct list_head pinned_vmas;
- bool has_fenced_gpu_access = INTEL_INFO(engine->dev)->gen < 4;
+ bool has_fenced_gpu_access = INTEL_GEN(engine->i915) < 4;
int retry;
i915_gem_retire_requests_ring(engine);
@@ -963,7 +963,7 @@
}
if (flush_chipset)
- i915_gem_chipset_flush(req->engine->dev);
+ i915_gem_chipset_flush(req->engine->i915);
if (flush_domains & I915_GEM_DOMAIN_GTT)
wmb();
@@ -1083,14 +1083,6 @@
return ERR_PTR(-EIO);
}
- if (i915.enable_execlists && !ctx->engine[engine->id].state) {
- int ret = intel_lr_context_deferred_alloc(ctx, engine);
- if (ret) {
- DRM_DEBUG("Could not create LRC %u: %d\n", ctx_id, ret);
- return ERR_PTR(ret);
- }
- }
-
return ctx;
}
@@ -1125,7 +1117,7 @@
if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) {
i915_gem_request_assign(&obj->last_fenced_req, req);
if (entry->flags & __EXEC_OBJECT_HAS_FENCE) {
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
list_move_tail(&dev_priv->fence_regs[obj->fence_reg].lru_list,
&dev_priv->mm.fence_list);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c
index a2b938e..2b6bdc2 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence.c
@@ -745,15 +745,15 @@
void
i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
{
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
+ struct page *page;
int i;
if (obj->bit_17 == NULL)
return;
i = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
- struct page *page = sg_page_iter_page(&sg_iter);
+ for_each_sgt_page(page, sgt_iter, obj->pages) {
char new_bit_17 = page_to_phys(page) >> 17;
if ((new_bit_17 & 0x1) !=
(test_bit(i, obj->bit_17) != 0)) {
@@ -775,7 +775,8 @@
void
i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj)
{
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
+ struct page *page;
int page_count = obj->base.size >> PAGE_SHIFT;
int i;
@@ -790,8 +791,9 @@
}
i = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
- if (page_to_phys(sg_page_iter_page(&sg_iter)) & (1 << 17))
+
+ for_each_sgt_page(page, sgt_iter, obj->pages) {
+ if (page_to_phys(page) & (1 << 17))
__set_bit(i, obj->bit_17);
else
__clear_bit(i, obj->bit_17);
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 92acdff..4668477 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -93,6 +93,13 @@
*
*/
+static inline struct i915_ggtt *
+i915_vm_to_ggtt(struct i915_address_space *vm)
+{
+ GEM_BUG_ON(!i915_is_ggtt(vm));
+ return container_of(vm, struct i915_ggtt, base);
+}
+
static int
i915_get_ggtt_vma_pages(struct i915_vma *vma);
@@ -103,25 +110,29 @@
.type = I915_GGTT_VIEW_ROTATED,
};
-static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt)
+int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
+ int enable_ppgtt)
{
bool has_aliasing_ppgtt;
bool has_full_ppgtt;
bool has_full_48bit_ppgtt;
- has_aliasing_ppgtt = INTEL_INFO(dev)->gen >= 6;
- has_full_ppgtt = INTEL_INFO(dev)->gen >= 7;
- has_full_48bit_ppgtt = IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9;
+ has_aliasing_ppgtt = INTEL_GEN(dev_priv) >= 6;
+ has_full_ppgtt = INTEL_GEN(dev_priv) >= 7;
+ has_full_48bit_ppgtt =
+ IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9;
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
has_full_ppgtt = false; /* emulation is too hard */
+ if (!has_aliasing_ppgtt)
+ return 0;
+
/*
* We don't allow disabling PPGTT for gen9+ as it's a requirement for
* execlists, the sole mechanism available to submit work.
*/
- if (INTEL_INFO(dev)->gen < 9 &&
- (enable_ppgtt == 0 || !has_aliasing_ppgtt))
+ if (enable_ppgtt == 0 && INTEL_GEN(dev_priv) < 9)
return 0;
if (enable_ppgtt == 1)
@@ -135,19 +146,19 @@
#ifdef CONFIG_INTEL_IOMMU
/* Disable ppgtt on SNB if VT-d is on. */
- if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) {
+ if (IS_GEN6(dev_priv) && intel_iommu_gfx_mapped) {
DRM_INFO("Disabling PPGTT because VT-d is on\n");
return 0;
}
#endif
/* Early VLV doesn't have this */
- if (IS_VALLEYVIEW(dev) && dev->pdev->revision < 0xb) {
+ if (IS_VALLEYVIEW(dev_priv) && dev_priv->dev->pdev->revision < 0xb) {
DRM_DEBUG_DRIVER("disabling PPGTT on pre-B3 step VLV\n");
return 0;
}
- if (INTEL_INFO(dev)->gen >= 8 && i915.enable_execlists)
+ if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists)
return has_full_48bit_ppgtt ? 3 : 2;
else
return has_aliasing_ppgtt ? 1 : 0;
@@ -866,6 +877,7 @@
static int gen8_init_scratch(struct i915_address_space *vm)
{
struct drm_device *dev = vm->dev;
+ int ret;
vm->scratch_page = alloc_scratch_page(dev);
if (IS_ERR(vm->scratch_page))
@@ -873,24 +885,21 @@
vm->scratch_pt = alloc_pt(dev);
if (IS_ERR(vm->scratch_pt)) {
- free_scratch_page(dev, vm->scratch_page);
- return PTR_ERR(vm->scratch_pt);
+ ret = PTR_ERR(vm->scratch_pt);
+ goto free_scratch_page;
}
vm->scratch_pd = alloc_pd(dev);
if (IS_ERR(vm->scratch_pd)) {
- free_pt(dev, vm->scratch_pt);
- free_scratch_page(dev, vm->scratch_page);
- return PTR_ERR(vm->scratch_pd);
+ ret = PTR_ERR(vm->scratch_pd);
+ goto free_pt;
}
if (USES_FULL_48BIT_PPGTT(dev)) {
vm->scratch_pdp = alloc_pdp(dev);
if (IS_ERR(vm->scratch_pdp)) {
- free_pd(dev, vm->scratch_pd);
- free_pt(dev, vm->scratch_pt);
- free_scratch_page(dev, vm->scratch_page);
- return PTR_ERR(vm->scratch_pdp);
+ ret = PTR_ERR(vm->scratch_pdp);
+ goto free_pd;
}
}
@@ -900,6 +909,15 @@
gen8_initialize_pdp(vm, vm->scratch_pdp);
return 0;
+
+free_pd:
+ free_pd(dev, vm->scratch_pd);
+free_pt:
+ free_pt(dev, vm->scratch_pt);
+free_scratch_page:
+ free_scratch_page(dev, vm->scratch_page);
+
+ return ret;
}
static int gen8_ppgtt_notify_vgt(struct i915_hw_ppgtt *ppgtt, bool create)
@@ -978,7 +996,7 @@
{
struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);
- if (intel_vgpu_active(vm->dev))
+ if (intel_vgpu_active(to_i915(vm->dev)))
gen8_ppgtt_notify_vgt(ppgtt, false);
if (!USES_FULL_48BIT_PPGTT(ppgtt->base.dev))
@@ -1529,14 +1547,14 @@
0, 0,
GEN8_PML4E_SHIFT);
- if (intel_vgpu_active(ppgtt->base.dev)) {
+ if (intel_vgpu_active(to_i915(ppgtt->base.dev))) {
ret = gen8_preallocate_top_level_pdps(ppgtt);
if (ret)
goto free_scratch;
}
}
- if (intel_vgpu_active(ppgtt->base.dev))
+ if (intel_vgpu_active(to_i915(ppgtt->base.dev)))
gen8_ppgtt_notify_vgt(ppgtt, true);
return 0;
@@ -1821,20 +1839,19 @@
enum i915_cache_level cache_level, u32 flags)
{
struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm);
- gen6_pte_t *pt_vaddr;
unsigned first_entry = start >> PAGE_SHIFT;
unsigned act_pt = first_entry / GEN6_PTES;
unsigned act_pte = first_entry % GEN6_PTES;
- struct sg_page_iter sg_iter;
+ gen6_pte_t *pt_vaddr = NULL;
+ struct sgt_iter sgt_iter;
+ dma_addr_t addr;
- pt_vaddr = NULL;
- for_each_sg_page(pages->sgl, &sg_iter, pages->nents, 0) {
+ for_each_sgt_dma(addr, sgt_iter, pages) {
if (pt_vaddr == NULL)
pt_vaddr = kmap_px(ppgtt->pd.page_table[act_pt]);
pt_vaddr[act_pte] =
- vm->pte_encode(sg_page_iter_dma_address(&sg_iter),
- cache_level, true, flags);
+ vm->pte_encode(addr, cache_level, true, flags);
if (++act_pte == GEN6_PTES) {
kunmap_px(ppgtt, pt_vaddr);
@@ -1843,6 +1860,7 @@
act_pte = 0;
}
}
+
if (pt_vaddr)
kunmap_px(ppgtt, pt_vaddr);
}
@@ -2064,7 +2082,7 @@
} else
BUG();
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
ppgtt->switch_mm = vgpu_mm_switch;
ret = gen6_ppgtt_alloc(ppgtt);
@@ -2140,7 +2158,7 @@
I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);
}
-int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
+static int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret = 0;
@@ -2179,20 +2197,6 @@
return 0;
}
-int i915_ppgtt_init_ring(struct drm_i915_gem_request *req)
-{
- struct drm_i915_private *dev_priv = req->i915;
- struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
-
- if (i915.enable_execlists)
- return 0;
-
- if (!ppgtt)
- return 0;
-
- return ppgtt->switch_mm(ppgtt, req);
-}
-
struct i915_hw_ppgtt *
i915_ppgtt_create(struct drm_device *dev, struct drm_i915_file_private *fpriv)
{
@@ -2275,12 +2279,11 @@
dev_priv->mm.interruptible = interruptible;
}
-void i915_check_and_clear_faults(struct drm_device *dev)
+void i915_check_and_clear_faults(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_INFO(dev_priv)->gen < 6)
return;
for_each_engine(engine, dev_priv) {
@@ -2324,7 +2327,7 @@
if (INTEL_INFO(dev)->gen < 6)
return;
- i915_check_and_clear_faults(dev);
+ i915_check_and_clear_faults(dev_priv);
ggtt->base.clear_range(&ggtt->base, ggtt->base.start, ggtt->base.total,
true);
@@ -2358,23 +2361,21 @@
enum i915_cache_level level, u32 unused)
{
struct drm_i915_private *dev_priv = to_i915(vm->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
- unsigned first_entry = start >> PAGE_SHIFT;
- gen8_pte_t __iomem *gtt_entries =
- (gen8_pte_t __iomem *)ggtt->gsm + first_entry;
- int i = 0;
- struct sg_page_iter sg_iter;
- dma_addr_t addr = 0; /* shut up gcc */
+ struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ struct sgt_iter sgt_iter;
+ gen8_pte_t __iomem *gtt_entries;
+ gen8_pte_t gtt_entry;
+ dma_addr_t addr;
int rpm_atomic_seq;
+ int i = 0;
rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
- for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) {
- addr = sg_dma_address(sg_iter.sg) +
- (sg_iter.sg_pgoffset << PAGE_SHIFT);
- gen8_set_pte(>t_entries[i],
- gen8_pte_encode(addr, level, true));
- i++;
+ gtt_entries = (gen8_pte_t __iomem *)ggtt->gsm + (start >> PAGE_SHIFT);
+
+ for_each_sgt_dma(addr, sgt_iter, st) {
+ gtt_entry = gen8_pte_encode(addr, level, true);
+ gen8_set_pte(>t_entries[i++], gtt_entry);
}
/*
@@ -2385,8 +2386,7 @@
* hardware should work, we must keep this posting read for paranoia.
*/
if (i != 0)
- WARN_ON(readq(>t_entries[i-1])
- != gen8_pte_encode(addr, level, true));
+ WARN_ON(readq(>t_entries[i-1]) != gtt_entry);
/* This next bit makes the above posting read even more important. We
* want to flush the TLBs only after we're certain all the PTE updates
@@ -2436,21 +2436,21 @@
enum i915_cache_level level, u32 flags)
{
struct drm_i915_private *dev_priv = to_i915(vm->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
- unsigned first_entry = start >> PAGE_SHIFT;
- gen6_pte_t __iomem *gtt_entries =
- (gen6_pte_t __iomem *)ggtt->gsm + first_entry;
- int i = 0;
- struct sg_page_iter sg_iter;
- dma_addr_t addr = 0;
+ struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
+ struct sgt_iter sgt_iter;
+ gen6_pte_t __iomem *gtt_entries;
+ gen6_pte_t gtt_entry;
+ dma_addr_t addr;
int rpm_atomic_seq;
+ int i = 0;
rpm_atomic_seq = assert_rpm_atomic_begin(dev_priv);
- for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) {
- addr = sg_page_iter_dma_address(&sg_iter);
- iowrite32(vm->pte_encode(addr, level, true, flags), >t_entries[i]);
- i++;
+ gtt_entries = (gen6_pte_t __iomem *)ggtt->gsm + (start >> PAGE_SHIFT);
+
+ for_each_sgt_dma(addr, sgt_iter, st) {
+ gtt_entry = vm->pte_encode(addr, level, true, flags);
+ iowrite32(gtt_entry, >t_entries[i++]);
}
/* XXX: This serves as a posting read to make sure that the PTE has
@@ -2459,10 +2459,8 @@
* of NUMA access patterns. Therefore, even with the way we assume
* hardware should work, we must keep this posting read for paranoia.
*/
- if (i != 0) {
- unsigned long gtt = readl(>t_entries[i-1]);
- WARN_ON(gtt != vm->pte_encode(addr, level, true, flags));
- }
+ if (i != 0)
+ WARN_ON(readl(>t_entries[i-1]) != gtt_entry);
/* This next bit makes the above posting read even more important. We
* want to flush the TLBs only after we're certain all the PTE updates
@@ -2474,13 +2472,20 @@
assert_rpm_atomic_end(dev_priv, rpm_atomic_seq);
}
+static void nop_clear_range(struct i915_address_space *vm,
+ uint64_t start,
+ uint64_t length,
+ bool use_scratch)
+{
+}
+
static void gen8_ggtt_clear_range(struct i915_address_space *vm,
uint64_t start,
uint64_t length,
bool use_scratch)
{
struct drm_i915_private *dev_priv = to_i915(vm->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
unsigned first_entry = start >> PAGE_SHIFT;
unsigned num_entries = length >> PAGE_SHIFT;
gen8_pte_t scratch_pte, __iomem *gtt_base =
@@ -2512,7 +2517,7 @@
bool use_scratch)
{
struct drm_i915_private *dev_priv = to_i915(vm->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ struct i915_ggtt *ggtt = i915_vm_to_ggtt(vm);
unsigned first_entry = start >> PAGE_SHIFT;
unsigned num_entries = length >> PAGE_SHIFT;
gen6_pte_t scratch_pte, __iomem *gtt_base =
@@ -2727,7 +2732,7 @@
i915_address_space_init(&ggtt->base, dev_priv);
ggtt->base.total += PAGE_SIZE;
- if (intel_vgpu_active(dev)) {
+ if (intel_vgpu_active(dev_priv)) {
ret = intel_vgt_balloon(dev);
if (ret)
return ret;
@@ -2831,7 +2836,7 @@
i915_gem_cleanup_stolen(dev);
if (drm_mm_initialized(&ggtt->base.mm)) {
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
intel_vgt_deballoon();
drm_mm_takedown(&ggtt->base.mm);
@@ -3069,14 +3074,17 @@
ret = ggtt_probe_common(dev, ggtt->size);
- ggtt->base.clear_range = gen8_ggtt_clear_range;
- if (IS_CHERRYVIEW(dev_priv))
- ggtt->base.insert_entries = gen8_ggtt_insert_entries__BKL;
- else
- ggtt->base.insert_entries = gen8_ggtt_insert_entries;
ggtt->base.bind_vma = ggtt_bind_vma;
ggtt->base.unbind_vma = ggtt_unbind_vma;
+ ggtt->base.clear_range = nop_clear_range;
+ if (!USES_FULL_PPGTT(dev_priv))
+ ggtt->base.clear_range = gen8_ggtt_clear_range;
+
+ ggtt->base.insert_entries = gen8_ggtt_insert_entries;
+ if (IS_CHERRYVIEW(dev_priv))
+ ggtt->base.insert_entries = gen8_ggtt_insert_entries__BKL;
+
return ret;
}
@@ -3219,14 +3227,6 @@
if (intel_iommu_gfx_mapped)
DRM_INFO("VT-d active for gfx access\n");
#endif
- /*
- * i915.enable_ppgtt is read-only, so do an early pass to validate the
- * user's requested state against the hardware/driver capabilities. We
- * do this now so that we can print out any log messages once rather
- * than every time we check intel_enable_ppgtt().
- */
- i915.enable_ppgtt = sanitize_enable_ppgtt(dev, i915.enable_ppgtt);
- DRM_DEBUG_DRIVER("ppgtt mode: %i\n", i915.enable_ppgtt);
return 0;
@@ -3250,9 +3250,8 @@
struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct drm_i915_gem_object *obj;
struct i915_vma *vma;
- bool flush;
- i915_check_and_clear_faults(dev);
+ i915_check_and_clear_faults(dev_priv);
/* First fill our portion of the GTT with scratch pages */
ggtt->base.clear_range(&ggtt->base, ggtt->base.start, ggtt->base.total,
@@ -3260,19 +3259,16 @@
/* Cache flush objects bound into GGTT and rebind them. */
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
- flush = false;
list_for_each_entry(vma, &obj->vma_list, obj_link) {
if (vma->vm != &ggtt->base)
continue;
WARN_ON(i915_vma_bind(vma, obj->cache_level,
PIN_UPDATE));
-
- flush = true;
}
- if (flush)
- i915_gem_clflush_object(obj, obj->pin_display);
+ if (obj->pin_display)
+ WARN_ON(i915_gem_object_set_to_gtt_domain(obj, false));
}
if (INTEL_INFO(dev)->gen >= 8) {
@@ -3398,9 +3394,11 @@
intel_rotate_fb_obj_pages(struct intel_rotation_info *rot_info,
struct drm_i915_gem_object *obj)
{
+ const size_t n_pages = obj->base.size / PAGE_SIZE;
unsigned int size_pages = rot_info->plane[0].width * rot_info->plane[0].height;
unsigned int size_pages_uv;
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
+ dma_addr_t dma_addr;
unsigned long i;
dma_addr_t *page_addr_list;
struct sg_table *st;
@@ -3409,7 +3407,7 @@
int ret = -ENOMEM;
/* Allocate a temporary list of source pages for random access. */
- page_addr_list = drm_malloc_gfp(obj->base.size / PAGE_SIZE,
+ page_addr_list = drm_malloc_gfp(n_pages,
sizeof(dma_addr_t),
GFP_TEMPORARY);
if (!page_addr_list)
@@ -3432,11 +3430,10 @@
/* Populate source page list from the object. */
i = 0;
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
- page_addr_list[i] = sg_page_iter_dma_address(&sg_iter);
- i++;
- }
+ for_each_sgt_dma(dma_addr, sgt_iter, obj->pages)
+ page_addr_list[i++] = dma_addr;
+ GEM_BUG_ON(i != n_pages);
st->nents = 0;
sg = st->sgl;
@@ -3634,3 +3631,29 @@
return obj->base.size;
}
}
+
+void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
+{
+ void __iomem *ptr;
+
+ lockdep_assert_held(&vma->vm->dev->struct_mutex);
+ if (WARN_ON(!vma->obj->map_and_fenceable))
+ return ERR_PTR(-ENODEV);
+
+ GEM_BUG_ON(!vma->is_ggtt);
+ GEM_BUG_ON((vma->bound & GLOBAL_BIND) == 0);
+
+ ptr = vma->iomap;
+ if (ptr == NULL) {
+ ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
+ vma->node.start,
+ vma->node.size);
+ if (ptr == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ vma->iomap = ptr;
+ }
+
+ vma->pin_count++;
+ return ptr;
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 0008543..62be77c 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -34,6 +34,8 @@
#ifndef __I915_GEM_GTT_H__
#define __I915_GEM_GTT_H__
+#include <linux/io-mapping.h>
+
struct drm_i915_file_private;
typedef uint32_t gen6_pte_t;
@@ -175,6 +177,7 @@
struct drm_mm_node node;
struct drm_i915_gem_object *obj;
struct i915_address_space *vm;
+ void __iomem *iomap;
/** Flags and address space this VMA is bound to */
#define GLOBAL_BIND (1<<0)
@@ -518,9 +521,7 @@
void i915_gem_init_ggtt(struct drm_device *dev);
void i915_ggtt_cleanup_hw(struct drm_device *dev);
-int i915_ppgtt_init(struct drm_device *dev, struct i915_hw_ppgtt *ppgtt);
int i915_ppgtt_init_hw(struct drm_device *dev);
-int i915_ppgtt_init_ring(struct drm_i915_gem_request *req);
void i915_ppgtt_release(struct kref *kref);
struct i915_hw_ppgtt *i915_ppgtt_create(struct drm_device *dev,
struct drm_i915_file_private *fpriv);
@@ -535,7 +536,7 @@
kref_put(&ppgtt->ref, i915_ppgtt_release);
}
-void i915_check_and_clear_faults(struct drm_device *dev);
+void i915_check_and_clear_faults(struct drm_i915_private *dev_priv);
void i915_gem_suspend_gtt_mappings(struct drm_device *dev);
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
@@ -560,4 +561,36 @@
i915_ggtt_view_size(struct drm_i915_gem_object *obj,
const struct i915_ggtt_view *view);
+/**
+ * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture
+ * @vma: VMA to iomap
+ *
+ * The passed in VMA has to be pinned in the global GTT mappable region.
+ * An extra pinning of the VMA is acquired for the return iomapping,
+ * the caller must call i915_vma_unpin_iomap to relinquish the pinning
+ * after the iomapping is no longer required.
+ *
+ * Callers must hold the struct_mutex.
+ *
+ * Returns a valid iomapped pointer or ERR_PTR.
+ */
+void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
+
+/**
+ * i915_vma_unpin_iomap - unpins the mapping returned from i915_vma_iomap
+ * @vma: VMA to unpin
+ *
+ * Unpins the previously iomapped VMA from i915_vma_pin_iomap().
+ *
+ * Callers must hold the struct_mutex. This function is only valid to be
+ * called on a VMA previously iomapped by the caller with i915_vma_pin_iomap().
+ */
+static inline void i915_vma_unpin_iomap(struct i915_vma *vma)
+{
+ lockdep_assert_held(&vma->vm->dev->struct_mutex);
+ GEM_BUG_ON(vma->pin_count == 0);
+ GEM_BUG_ON(vma->iomap == NULL);
+ vma->pin_count--;
+}
+
#endif
diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c
index 71611bf..7c93327 100644
--- a/drivers/gpu/drm/i915/i915_gem_render_state.c
+++ b/drivers/gpu/drm/i915/i915_gem_render_state.c
@@ -29,7 +29,7 @@
#include "intel_renderstate.h"
static const struct intel_renderstate_rodata *
-render_state_get_rodata(struct drm_device *dev, const int gen)
+render_state_get_rodata(const int gen)
{
switch (gen) {
case 6:
@@ -45,21 +45,22 @@
return NULL;
}
-static int render_state_init(struct render_state *so, struct drm_device *dev)
+static int render_state_init(struct render_state *so,
+ struct drm_i915_private *dev_priv)
{
int ret;
- so->gen = INTEL_INFO(dev)->gen;
- so->rodata = render_state_get_rodata(dev, so->gen);
+ so->gen = INTEL_GEN(dev_priv);
+ so->rodata = render_state_get_rodata(so->gen);
if (so->rodata == NULL)
return 0;
if (so->rodata->batch_items * 4 > 4096)
return -EINVAL;
- so->obj = i915_gem_alloc_object(dev, 4096);
- if (so->obj == NULL)
- return -ENOMEM;
+ so->obj = i915_gem_object_create(dev_priv->dev, 4096);
+ if (IS_ERR(so->obj))
+ return PTR_ERR(so->obj);
ret = i915_gem_obj_ggtt_pin(so->obj, 4096, 0);
if (ret)
@@ -177,7 +178,7 @@
if (WARN_ON(engine->id != RCS))
return -ENOENT;
- ret = render_state_init(so, engine->dev);
+ ret = render_state_init(so, engine->i915);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c
index 425e721..538c304 100644
--- a/drivers/gpu/drm/i915/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c
@@ -131,7 +131,16 @@
unsigned long count = 0;
trace_i915_gem_shrink(dev_priv, target, flags);
- i915_gem_retire_requests(dev_priv->dev);
+ i915_gem_retire_requests(dev_priv);
+
+ /*
+ * Unbinding of objects will require HW access; Let us not wake the
+ * device just to recover a little memory. If absolutely necessary,
+ * we will force the wake during oom-notifier.
+ */
+ if ((flags & I915_SHRINK_BOUND) &&
+ !intel_runtime_pm_get_if_in_use(dev_priv))
+ flags &= ~I915_SHRINK_BOUND;
/*
* As we may completely rewrite the (un)bound list whilst unbinding
@@ -197,7 +206,10 @@
list_splice(&still_in_list, phase->list);
}
- i915_gem_retire_requests(dev_priv->dev);
+ if (flags & I915_SHRINK_BOUND)
+ intel_runtime_pm_put(dev_priv);
+
+ i915_gem_retire_requests(dev_priv);
return count;
}
@@ -345,7 +357,9 @@
if (!i915_gem_shrinker_lock_uninterruptible(dev_priv, &slu, 5000))
return NOTIFY_DONE;
+ intel_runtime_pm_get(dev_priv);
freed_pages = i915_gem_shrink_all(dev_priv);
+ intel_runtime_pm_put(dev_priv);
/* Because we may be allocating inside our own driver, we cannot
* assert that there are no objects with pinned pages that are not
@@ -386,17 +400,35 @@
struct drm_i915_private *dev_priv =
container_of(nb, struct drm_i915_private, mm.vmap_notifier);
struct shrinker_lock_uninterruptible slu;
- unsigned long freed_pages;
+ struct i915_vma *vma, *next;
+ unsigned long freed_pages = 0;
+ int ret;
if (!i915_gem_shrinker_lock_uninterruptible(dev_priv, &slu, 5000))
return NOTIFY_DONE;
- freed_pages = i915_gem_shrink(dev_priv, -1UL,
- I915_SHRINK_BOUND |
- I915_SHRINK_UNBOUND |
- I915_SHRINK_ACTIVE |
- I915_SHRINK_VMAPS);
+ /* Force everything onto the inactive lists */
+ ret = i915_gpu_idle(dev_priv->dev);
+ if (ret)
+ goto out;
+ intel_runtime_pm_get(dev_priv);
+ freed_pages += i915_gem_shrink(dev_priv, -1UL,
+ I915_SHRINK_BOUND |
+ I915_SHRINK_UNBOUND |
+ I915_SHRINK_ACTIVE |
+ I915_SHRINK_VMAPS);
+ intel_runtime_pm_put(dev_priv);
+
+ /* We also want to clear any cached iomaps as they wrap vmap */
+ list_for_each_entry_safe(vma, next,
+ &dev_priv->ggtt.base.inactive_list, vm_link) {
+ unsigned long count = vma->node.size >> PAGE_SHIFT;
+ if (vma->iomap && i915_vma_unbind(vma) == 0)
+ freed_pages += count;
+ }
+
+out:
i915_gem_shrinker_unlock_uninterruptible(dev_priv, &slu);
*(unsigned long *)ptr += freed_pages;
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index b7ce963..f9253f2 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -56,7 +56,7 @@
/* See the comment at the drm_mm_init() call for more about this check.
* WaSkipStolenMemoryFirstPage:bdw,chv (incomplete) */
- if (INTEL_INFO(dev_priv)->gen == 8 && start < 4096)
+ if (IS_GEN8(dev_priv) && start < 4096)
start = 4096;
mutex_lock(&dev_priv->mm.stolen_lock);
@@ -109,9 +109,9 @@
if (INTEL_INFO(dev)->gen >= 3) {
u32 bsm;
- pci_read_config_dword(dev->pdev, BSM, &bsm);
+ pci_read_config_dword(dev->pdev, INTEL_BSM, &bsm);
- base = bsm & BSM_MASK;
+ base = bsm & INTEL_BSM_MASK;
} else if (IS_I865G(dev)) {
u16 toud = 0;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index b9bdb340..a6eb5c4 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -125,7 +125,7 @@
if (INTEL_INFO(obj->base.dev)->gen >= 4)
return true;
- if (INTEL_INFO(obj->base.dev)->gen == 3) {
+ if (IS_GEN3(obj->base.dev)) {
if (i915_gem_obj_ggtt_offset(obj) & ~I915_FENCE_START_MASK)
return false;
} else {
@@ -229,7 +229,7 @@
*/
if (obj->map_and_fenceable &&
!i915_gem_object_fence_ok(obj, args->tiling_mode))
- ret = i915_gem_object_ggtt_unbind(obj);
+ ret = i915_vma_unbind(i915_gem_obj_to_ggtt(obj));
if (ret == 0) {
if (obj->pages &&
diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c
index 32d9726..2314c88 100644
--- a/drivers/gpu/drm/i915/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/i915_gem_userptr.c
@@ -706,7 +706,8 @@
static void
i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj)
{
- struct sg_page_iter sg_iter;
+ struct sgt_iter sgt_iter;
+ struct page *page;
BUG_ON(obj->userptr.work != NULL);
__i915_gem_userptr_set_active(obj, false);
@@ -716,9 +717,7 @@
i915_gem_gtt_finish_object(obj);
- for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) {
- struct page *page = sg_page_iter_page(&sg_iter);
-
+ for_each_sgt_page(page, sgt_iter, obj->pages) {
if (obj->dirty)
set_page_dirty(page);
@@ -855,11 +854,8 @@
return 0;
}
-int
-i915_gem_init_userptr(struct drm_device *dev)
+void i915_gem_init_userptr(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
mutex_init(&dev_priv->mm_lock);
hash_init(dev_priv->mm_structs);
- return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 89725c9..34ff245 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -411,7 +411,7 @@
err_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
}
- if (INTEL_INFO(dev)->gen == 7)
+ if (IS_GEN7(dev))
err_printf(m, "ERR_INT: 0x%08x\n", error->err_int);
for (i = 0; i < ARRAY_SIZE(error->ring); i++)
@@ -824,19 +824,18 @@
return error_code;
}
-static void i915_gem_record_fences(struct drm_device *dev,
+static void i915_gem_record_fences(struct drm_i915_private *dev_priv,
struct drm_i915_error_state *error)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int i;
- if (IS_GEN3(dev) || IS_GEN2(dev)) {
+ if (IS_GEN3(dev_priv) || IS_GEN2(dev_priv)) {
for (i = 0; i < dev_priv->num_fence_regs; i++)
error->fence[i] = I915_READ(FENCE_REG(i));
- } else if (IS_GEN5(dev) || IS_GEN4(dev)) {
+ } else if (IS_GEN5(dev_priv) || IS_GEN4(dev_priv)) {
for (i = 0; i < dev_priv->num_fence_regs; i++)
error->fence[i] = I915_READ64(FENCE_REG_965_LO(i));
- } else if (INTEL_INFO(dev)->gen >= 6) {
+ } else if (INTEL_GEN(dev_priv) >= 6) {
for (i = 0; i < dev_priv->num_fence_regs; i++)
error->fence[i] = I915_READ64(FENCE_REG_GEN6_LO(i));
}
@@ -851,7 +850,7 @@
struct intel_engine_cs *to;
enum intel_engine_id id;
- if (!i915_semaphore_is_enabled(dev_priv->dev))
+ if (!i915_semaphore_is_enabled(dev_priv))
return;
if (!error->semaphore_obj)
@@ -893,31 +892,29 @@
}
}
-static void i915_record_ring_state(struct drm_device *dev,
+static void i915_record_ring_state(struct drm_i915_private *dev_priv,
struct drm_i915_error_state *error,
struct intel_engine_cs *engine,
struct drm_i915_error_ring *ering)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (INTEL_INFO(dev)->gen >= 6) {
+ if (INTEL_GEN(dev_priv) >= 6) {
ering->rc_psmi = I915_READ(RING_PSMI_CTL(engine->mmio_base));
ering->fault_reg = I915_READ(RING_FAULT_REG(engine));
- if (INTEL_INFO(dev)->gen >= 8)
+ if (INTEL_GEN(dev_priv) >= 8)
gen8_record_semaphore_state(dev_priv, error, engine,
ering);
else
gen6_record_semaphore_state(dev_priv, engine, ering);
}
- if (INTEL_INFO(dev)->gen >= 4) {
+ if (INTEL_GEN(dev_priv) >= 4) {
ering->faddr = I915_READ(RING_DMA_FADD(engine->mmio_base));
ering->ipeir = I915_READ(RING_IPEIR(engine->mmio_base));
ering->ipehr = I915_READ(RING_IPEHR(engine->mmio_base));
ering->instdone = I915_READ(RING_INSTDONE(engine->mmio_base));
ering->instps = I915_READ(RING_INSTPS(engine->mmio_base));
ering->bbaddr = I915_READ(RING_BBADDR(engine->mmio_base));
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
ering->faddr |= (u64) I915_READ(RING_DMA_FADD_UDW(engine->mmio_base)) << 32;
ering->bbaddr |= (u64) I915_READ(RING_BBADDR_UDW(engine->mmio_base)) << 32;
}
@@ -939,10 +936,10 @@
ering->tail = I915_READ_TAIL(engine);
ering->ctl = I915_READ_CTL(engine);
- if (I915_NEED_GFX_HWS(dev)) {
+ if (I915_NEED_GFX_HWS(dev_priv)) {
i915_reg_t mmio;
- if (IS_GEN7(dev)) {
+ if (IS_GEN7(dev_priv)) {
switch (engine->id) {
default:
case RCS:
@@ -958,7 +955,7 @@
mmio = VEBOX_HWS_PGA_GEN7;
break;
}
- } else if (IS_GEN6(engine->dev)) {
+ } else if (IS_GEN6(engine->i915)) {
mmio = RING_HWS_PGA_GEN6(engine->mmio_base);
} else {
/* XXX: gen8 returns to sanity */
@@ -971,18 +968,18 @@
ering->hangcheck_score = engine->hangcheck.score;
ering->hangcheck_action = engine->hangcheck.action;
- if (USES_PPGTT(dev)) {
+ if (USES_PPGTT(dev_priv)) {
int i;
ering->vm_info.gfx_mode = I915_READ(RING_MODE_GEN7(engine));
- if (IS_GEN6(dev))
+ if (IS_GEN6(dev_priv))
ering->vm_info.pp_dir_base =
I915_READ(RING_PP_DIR_BASE_READ(engine));
- else if (IS_GEN7(dev))
+ else if (IS_GEN7(dev_priv))
ering->vm_info.pp_dir_base =
I915_READ(RING_PP_DIR_BASE(engine));
- else if (INTEL_INFO(dev)->gen >= 8)
+ else if (INTEL_GEN(dev_priv) >= 8)
for (i = 0; i < 4; i++) {
ering->vm_info.pdp[i] =
I915_READ(GEN8_RING_PDP_UDW(engine, i));
@@ -998,7 +995,7 @@
struct drm_i915_error_state *error,
struct drm_i915_error_ring *ering)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct drm_i915_gem_object *obj;
/* Currently render ring is the only HW context user */
@@ -1016,10 +1013,9 @@
}
}
-static void i915_gem_record_rings(struct drm_device *dev,
+static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
struct drm_i915_error_state *error)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct drm_i915_gem_request *request;
int i, count;
@@ -1030,12 +1026,12 @@
error->ring[i].pid = -1;
- if (engine->dev == NULL)
+ if (!intel_engine_initialized(engine))
continue;
error->ring[i].valid = true;
- i915_record_ring_state(dev, error, engine, &error->ring[i]);
+ i915_record_ring_state(dev_priv, error, engine, &error->ring[i]);
request = i915_gem_find_active_request(engine);
if (request) {
@@ -1301,15 +1297,14 @@
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
- i915_get_extra_instdone(dev, error->extra_instdone);
+ i915_get_extra_instdone(dev_priv, error->extra_instdone);
}
-static void i915_error_capture_msg(struct drm_device *dev,
+static void i915_error_capture_msg(struct drm_i915_private *dev_priv,
struct drm_i915_error_state *error,
u32 engine_mask,
const char *error_msg)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 ecode;
int ring_id = -1, len;
@@ -1317,7 +1312,7 @@
len = scnprintf(error->error_msg, sizeof(error->error_msg),
"GPU HANG: ecode %d:%d:0x%08x",
- INTEL_INFO(dev)->gen, ring_id, ecode);
+ INTEL_GEN(dev_priv), ring_id, ecode);
if (ring_id != -1 && error->ring[ring_id].pid != -1)
len += scnprintf(error->error_msg + len,
@@ -1352,11 +1347,11 @@
* out a structure which becomes available in debugfs for user level tools
* to pick up.
*/
-void i915_capture_error_state(struct drm_device *dev, u32 engine_mask,
+void i915_capture_error_state(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
const char *error_msg)
{
static bool warned;
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_error_state *error;
unsigned long flags;
@@ -1372,15 +1367,15 @@
i915_capture_gen_state(dev_priv, error);
i915_capture_reg_state(dev_priv, error);
i915_gem_capture_buffers(dev_priv, error);
- i915_gem_record_fences(dev, error);
- i915_gem_record_rings(dev, error);
+ i915_gem_record_fences(dev_priv, error);
+ i915_gem_record_rings(dev_priv, error);
do_gettimeofday(&error->time);
- error->overlay = intel_overlay_capture_error_state(dev);
- error->display = intel_display_capture_error_state(dev);
+ error->overlay = intel_overlay_capture_error_state(dev_priv);
+ error->display = intel_display_capture_error_state(dev_priv);
- i915_error_capture_msg(dev, error, engine_mask, error_msg);
+ i915_error_capture_msg(dev_priv, error, engine_mask, error_msg);
DRM_INFO("%s\n", error->error_msg);
spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
@@ -1400,7 +1395,7 @@
DRM_INFO("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n");
DRM_INFO("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n");
DRM_INFO("The gpu crash dump is required to analyze gpu hangs, so please always attach it.\n");
- DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n", dev->primary->index);
+ DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n", dev_priv->dev->primary->index);
warned = true;
}
}
@@ -1450,17 +1445,17 @@
}
/* NB: please notice the memset */
-void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone)
+void i915_get_extra_instdone(struct drm_i915_private *dev_priv,
+ uint32_t *instdone)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
memset(instdone, 0, sizeof(*instdone) * I915_NUM_INSTDONE_REG);
- if (IS_GEN2(dev) || IS_GEN3(dev))
+ if (IS_GEN2(dev_priv) || IS_GEN3(dev_priv))
instdone[0] = I915_READ(GEN2_INSTDONE);
- else if (IS_GEN4(dev) || IS_GEN5(dev) || IS_GEN6(dev)) {
+ else if (IS_GEN4(dev_priv) || IS_GEN5(dev_priv) || IS_GEN6(dev_priv)) {
instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE));
instdone[1] = I915_READ(GEN4_INSTDONE1);
- } else if (INTEL_INFO(dev)->gen >= 7) {
+ } else if (INTEL_GEN(dev_priv) >= 7) {
instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE));
instdone[1] = I915_READ(GEN7_SC_INSTDONE);
instdone[2] = I915_READ(GEN7_SAMPLER_INSTDONE);
diff --git a/drivers/gpu/drm/i915/i915_guc_reg.h b/drivers/gpu/drm/i915/i915_guc_reg.h
index 80786d9..cf5a65b 100644
--- a/drivers/gpu/drm/i915/i915_guc_reg.h
+++ b/drivers/gpu/drm/i915/i915_guc_reg.h
@@ -67,11 +67,11 @@
#define GUC_WOPCM_OFFSET_VALUE 0x80000 /* 512KB */
#define GUC_MAX_IDLE_COUNT _MMIO(0xC3E4)
+/* Defines WOPCM space available to GuC firmware */
#define GUC_WOPCM_SIZE _MMIO(0xc050)
-#define GUC_WOPCM_SIZE_VALUE (0x80 << 12) /* 512KB */
-
/* GuC addresses below GUC_WOPCM_TOP don't map through the GTT */
-#define GUC_WOPCM_TOP (GUC_WOPCM_SIZE_VALUE)
+#define GUC_WOPCM_TOP (0x80 << 12) /* 512KB */
+#define BXT_GUC_WOPCM_RC6_RESERVED (0x10 << 12) /* 64KB */
#define GEN8_GT_PM_CONFIG _MMIO(0x138140)
#define GEN9LP_GT_PM_CONFIG _MMIO(0x138140)
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index d40c13f..169242a 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -158,8 +158,7 @@
data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE;
/* WaRsDisableCoarsePowerGating:skl,bxt */
- if (!intel_enable_rc6(dev) ||
- NEEDS_WaRsDisableCoarsePowerGating(dev))
+ if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev))
data[1] = 0;
else
/* bit 0 and 1 are for Render and Media domain separately */
@@ -587,8 +586,8 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj;
- obj = i915_gem_alloc_object(dev, size);
- if (!obj)
+ obj = i915_gem_object_create(dev, size);
+ if (IS_ERR(obj))
return NULL;
if (i915_gem_object_get_pages(obj)) {
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2f6fd33..3242a37 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -336,9 +336,8 @@
__gen6_disable_pm_irq(dev_priv, mask);
}
-void gen6_reset_rps_interrupts(struct drm_device *dev)
+void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
i915_reg_t reg = gen6_pm_iir(dev_priv);
spin_lock_irq(&dev_priv->irq_lock);
@@ -349,10 +348,8 @@
spin_unlock_irq(&dev_priv->irq_lock);
}
-void gen6_enable_rps_interrupts(struct drm_device *dev)
+void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
spin_lock_irq(&dev_priv->irq_lock);
WARN_ON(dev_priv->rps.pm_iir);
@@ -382,10 +379,8 @@
return mask;
}
-void gen6_disable_rps_interrupts(struct drm_device *dev)
+void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
spin_lock_irq(&dev_priv->irq_lock);
dev_priv->rps.interrupts_enabled = false;
spin_unlock_irq(&dev_priv->irq_lock);
@@ -402,7 +397,7 @@
spin_unlock_irq(&dev_priv->irq_lock);
- synchronize_irq(dev->irq);
+ synchronize_irq(dev_priv->dev->irq);
}
/**
@@ -607,17 +602,15 @@
* i915_enable_asle_pipestat - enable ASLE pipestat for OpRegion
* @dev: drm device
*/
-static void i915_enable_asle_pipestat(struct drm_device *dev)
+static void i915_enable_asle_pipestat(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (!dev_priv->opregion.asle || !IS_MOBILE(dev))
+ if (!dev_priv->opregion.asle || !IS_MOBILE(dev_priv))
return;
spin_lock_irq(&dev_priv->irq_lock);
i915_enable_pipestat(dev_priv, PIPE_B, PIPE_LEGACY_BLC_EVENT_STATUS);
- if (INTEL_INFO(dev)->gen >= 4)
+ if (INTEL_GEN(dev_priv) >= 4)
i915_enable_pipestat(dev_priv, PIPE_A,
PIPE_LEGACY_BLC_EVENT_STATUS);
@@ -750,7 +743,7 @@
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
vtotal /= 2;
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
position = I915_READ_FW(PIPEDSL(pipe)) & DSL_LINEMASK_GEN2;
else
position = I915_READ_FW(PIPEDSL(pipe)) & DSL_LINEMASK_GEN3;
@@ -767,7 +760,7 @@
* problem. We may need to extend this to include other platforms,
* but so far testing only shows the problem on HSW.
*/
- if (HAS_DDI(dev) && !position) {
+ if (HAS_DDI(dev_priv) && !position) {
int i, temp;
for (i = 0; i < 100; i++) {
@@ -835,7 +828,7 @@
if (stime)
*stime = ktime_get();
- if (IS_GEN2(dev) || IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
+ if (IS_GEN2(dev_priv) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) {
/* No obvious pixelcount register. Only query vertical
* scanout position from Display scan line register.
*/
@@ -897,7 +890,7 @@
else
position += vtotal - vbl_end;
- if (IS_GEN2(dev) || IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {
+ if (IS_GEN2(dev_priv) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) {
*vpos = position;
*hpos = 0;
} else {
@@ -955,9 +948,8 @@
&crtc->hwmode);
}
-static void ironlake_rps_change_irq_handler(struct drm_device *dev)
+static void ironlake_rps_change_irq_handler(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 busy_up, busy_down, max_avg, min_avg;
u8 new_delay;
@@ -986,7 +978,7 @@
new_delay = dev_priv->ips.min_delay;
}
- if (ironlake_set_drps(dev, new_delay))
+ if (ironlake_set_drps(dev_priv, new_delay))
dev_priv->ips.cur_delay = new_delay;
spin_unlock(&mchdev_lock);
@@ -1175,7 +1167,7 @@
new_delay += adj;
new_delay = clamp_t(int, new_delay, min, max);
- intel_set_rps(dev_priv->dev, new_delay);
+ intel_set_rps(dev_priv, new_delay);
mutex_unlock(&dev_priv->rps.hw_lock);
out:
@@ -1506,27 +1498,23 @@
}
-static void gmbus_irq_handler(struct drm_device *dev)
+static void gmbus_irq_handler(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
wake_up_all(&dev_priv->gmbus_wait_queue);
}
-static void dp_aux_irq_handler(struct drm_device *dev)
+static void dp_aux_irq_handler(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
wake_up_all(&dev_priv->gmbus_wait_queue);
}
#if defined(CONFIG_DEBUG_FS)
-static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe,
+static void display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
+ enum pipe pipe,
uint32_t crc0, uint32_t crc1,
uint32_t crc2, uint32_t crc3,
uint32_t crc4)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
struct intel_pipe_crc_entry *entry;
int head, tail;
@@ -1550,7 +1538,8 @@
entry = &pipe_crc->entries[head];
- entry->frame = dev->driver->get_vblank_counter(dev, pipe);
+ entry->frame = dev_priv->dev->driver->get_vblank_counter(dev_priv->dev,
+ pipe);
entry->crc[0] = crc0;
entry->crc[1] = crc1;
entry->crc[2] = crc2;
@@ -1566,27 +1555,26 @@
}
#else
static inline void
-display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe,
+display_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
+ enum pipe pipe,
uint32_t crc0, uint32_t crc1,
uint32_t crc2, uint32_t crc3,
uint32_t crc4) {}
#endif
-static void hsw_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe)
+static void hsw_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
+ enum pipe pipe)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- display_pipe_crc_irq_handler(dev, pipe,
+ display_pipe_crc_irq_handler(dev_priv, pipe,
I915_READ(PIPE_CRC_RES_1_IVB(pipe)),
0, 0, 0, 0);
}
-static void ivb_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe)
+static void ivb_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
+ enum pipe pipe)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- display_pipe_crc_irq_handler(dev, pipe,
+ display_pipe_crc_irq_handler(dev_priv, pipe,
I915_READ(PIPE_CRC_RES_1_IVB(pipe)),
I915_READ(PIPE_CRC_RES_2_IVB(pipe)),
I915_READ(PIPE_CRC_RES_3_IVB(pipe)),
@@ -1594,22 +1582,22 @@
I915_READ(PIPE_CRC_RES_5_IVB(pipe)));
}
-static void i9xx_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe)
+static void i9xx_pipe_crc_irq_handler(struct drm_i915_private *dev_priv,
+ enum pipe pipe)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t res1, res2;
- if (INTEL_INFO(dev)->gen >= 3)
+ if (INTEL_GEN(dev_priv) >= 3)
res1 = I915_READ(PIPE_CRC_RES_RES1_I915(pipe));
else
res1 = 0;
- if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+ if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
res2 = I915_READ(PIPE_CRC_RES_RES2_G4X(pipe));
else
res2 = 0;
- display_pipe_crc_irq_handler(dev, pipe,
+ display_pipe_crc_irq_handler(dev_priv, pipe,
I915_READ(PIPE_CRC_RES_RED(pipe)),
I915_READ(PIPE_CRC_RES_GREEN(pipe)),
I915_READ(PIPE_CRC_RES_BLUE(pipe)),
@@ -1643,18 +1631,21 @@
}
}
-static bool intel_pipe_handle_vblank(struct drm_device *dev, enum pipe pipe)
+static bool intel_pipe_handle_vblank(struct drm_i915_private *dev_priv,
+ enum pipe pipe)
{
- if (!drm_handle_vblank(dev, pipe))
- return false;
+ bool ret;
- return true;
+ ret = drm_handle_vblank(dev_priv->dev, pipe);
+ if (ret)
+ intel_finish_page_flip_mmio(dev_priv, pipe);
+
+ return ret;
}
-static void valleyview_pipestat_irq_ack(struct drm_device *dev, u32 iir,
- u32 pipe_stats[I915_MAX_PIPES])
+static void valleyview_pipestat_irq_ack(struct drm_i915_private *dev_priv,
+ u32 iir, u32 pipe_stats[I915_MAX_PIPES])
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
spin_lock(&dev_priv->irq_lock);
@@ -1710,31 +1701,28 @@
spin_unlock(&dev_priv->irq_lock);
}
-static void valleyview_pipestat_irq_handler(struct drm_device *dev,
+static void valleyview_pipestat_irq_handler(struct drm_i915_private *dev_priv,
u32 pipe_stats[I915_MAX_PIPES])
{
- struct drm_i915_private *dev_priv = to_i915(dev);
enum pipe pipe;
for_each_pipe(dev_priv, pipe) {
if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS &&
- intel_pipe_handle_vblank(dev, pipe))
- intel_check_page_flip(dev, pipe);
+ intel_pipe_handle_vblank(dev_priv, pipe))
+ intel_check_page_flip(dev_priv, pipe);
- if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV) {
- intel_prepare_page_flip(dev, pipe);
- intel_finish_page_flip(dev, pipe);
- }
+ if (pipe_stats[pipe] & PLANE_FLIP_DONE_INT_STATUS_VLV)
+ intel_finish_page_flip_cs(dev_priv, pipe);
if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS)
- i9xx_pipe_crc_irq_handler(dev, pipe);
+ i9xx_pipe_crc_irq_handler(dev_priv, pipe);
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe);
}
if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS)
- gmbus_irq_handler(dev);
+ gmbus_irq_handler(dev_priv);
}
static u32 i9xx_hpd_irq_ack(struct drm_i915_private *dev_priv)
@@ -1747,12 +1735,13 @@
return hotplug_status;
}
-static void i9xx_hpd_irq_handler(struct drm_device *dev,
+static void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv,
u32 hotplug_status)
{
u32 pin_mask = 0, long_mask = 0;
- if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
+ IS_CHERRYVIEW(dev_priv)) {
u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
if (hotplug_trigger) {
@@ -1760,11 +1749,11 @@
hotplug_trigger, hpd_status_g4x,
i9xx_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
} else {
u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
@@ -1772,7 +1761,7 @@
intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
hotplug_trigger, hpd_status_i915,
i9xx_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
}
}
@@ -1831,7 +1820,7 @@
/* Call regardless, as some status bits might not be
* signalled in iir */
- valleyview_pipestat_irq_ack(dev, iir, pipe_stats);
+ valleyview_pipestat_irq_ack(dev_priv, iir, pipe_stats);
/*
* VLV_IIR is single buffered, and reflects the level
@@ -1850,9 +1839,9 @@
gen6_rps_irq_handler(dev_priv, pm_iir);
if (hotplug_status)
- i9xx_hpd_irq_handler(dev, hotplug_status);
+ i9xx_hpd_irq_handler(dev_priv, hotplug_status);
- valleyview_pipestat_irq_handler(dev, pipe_stats);
+ valleyview_pipestat_irq_handler(dev_priv, pipe_stats);
} while (0);
enable_rpm_wakeref_asserts(dev_priv);
@@ -1911,7 +1900,7 @@
/* Call regardless, as some status bits might not be
* signalled in iir */
- valleyview_pipestat_irq_ack(dev, iir, pipe_stats);
+ valleyview_pipestat_irq_ack(dev_priv, iir, pipe_stats);
/*
* VLV_IIR is single buffered, and reflects the level
@@ -1927,9 +1916,9 @@
gen8_gt_irq_handler(dev_priv, gt_iir);
if (hotplug_status)
- i9xx_hpd_irq_handler(dev, hotplug_status);
+ i9xx_hpd_irq_handler(dev_priv, hotplug_status);
- valleyview_pipestat_irq_handler(dev, pipe_stats);
+ valleyview_pipestat_irq_handler(dev_priv, pipe_stats);
} while (0);
enable_rpm_wakeref_asserts(dev_priv);
@@ -1937,10 +1926,10 @@
return ret;
}
-static void ibx_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger,
+static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv,
+ u32 hotplug_trigger,
const u32 hpd[HPD_NUM_PINS])
{
- struct drm_i915_private *dev_priv = to_i915(dev);
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
/*
@@ -1966,16 +1955,15 @@
dig_hotplug_reg, hpd,
pch_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
-static void ibx_irq_handler(struct drm_device *dev, u32 pch_iir)
+static void ibx_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
- ibx_hpd_irq_handler(dev, hotplug_trigger, hpd_ibx);
+ ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ibx);
if (pch_iir & SDE_AUDIO_POWER_MASK) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >>
@@ -1985,10 +1973,10 @@
}
if (pch_iir & SDE_AUX_MASK)
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
if (pch_iir & SDE_GMBUS)
- gmbus_irq_handler(dev);
+ gmbus_irq_handler(dev_priv);
if (pch_iir & SDE_AUDIO_HDCP_MASK)
DRM_DEBUG_DRIVER("PCH HDCP audio interrupt\n");
@@ -2018,9 +2006,8 @@
intel_pch_fifo_underrun_irq_handler(dev_priv, TRANSCODER_B);
}
-static void ivb_err_int_handler(struct drm_device *dev)
+static void ivb_err_int_handler(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 err_int = I915_READ(GEN7_ERR_INT);
enum pipe pipe;
@@ -2032,19 +2019,18 @@
intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe);
if (err_int & ERR_INT_PIPE_CRC_DONE(pipe)) {
- if (IS_IVYBRIDGE(dev))
- ivb_pipe_crc_irq_handler(dev, pipe);
+ if (IS_IVYBRIDGE(dev_priv))
+ ivb_pipe_crc_irq_handler(dev_priv, pipe);
else
- hsw_pipe_crc_irq_handler(dev, pipe);
+ hsw_pipe_crc_irq_handler(dev_priv, pipe);
}
}
I915_WRITE(GEN7_ERR_INT, err_int);
}
-static void cpt_serr_int_handler(struct drm_device *dev)
+static void cpt_serr_int_handler(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 serr_int = I915_READ(SERR_INT);
if (serr_int & SERR_INT_POISON)
@@ -2062,13 +2048,12 @@
I915_WRITE(SERR_INT, serr_int);
}
-static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir)
+static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
- ibx_hpd_irq_handler(dev, hotplug_trigger, hpd_cpt);
+ ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_cpt);
if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >>
@@ -2078,10 +2063,10 @@
}
if (pch_iir & SDE_AUX_MASK_CPT)
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
if (pch_iir & SDE_GMBUS_CPT)
- gmbus_irq_handler(dev);
+ gmbus_irq_handler(dev_priv);
if (pch_iir & SDE_AUDIO_CP_REQ_CPT)
DRM_DEBUG_DRIVER("Audio CP request interrupt\n");
@@ -2096,12 +2081,11 @@
I915_READ(FDI_RX_IIR(pipe)));
if (pch_iir & SDE_ERROR_CPT)
- cpt_serr_int_handler(dev);
+ cpt_serr_int_handler(dev_priv);
}
-static void spt_irq_handler(struct drm_device *dev, u32 pch_iir)
+static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT &
~SDE_PORTE_HOTPLUG_SPT;
u32 hotplug2_trigger = pch_iir & SDE_PORTE_HOTPLUG_SPT;
@@ -2130,16 +2114,16 @@
}
if (pin_mask)
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
if (pch_iir & SDE_GMBUS_CPT)
- gmbus_irq_handler(dev);
+ gmbus_irq_handler(dev_priv);
}
-static void ilk_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger,
+static void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv,
+ u32 hotplug_trigger,
const u32 hpd[HPD_NUM_PINS])
{
- struct drm_i915_private *dev_priv = to_i915(dev);
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);
@@ -2149,97 +2133,93 @@
dig_hotplug_reg, hpd,
ilk_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
-static void ilk_display_irq_handler(struct drm_device *dev, u32 de_iir)
+static void ilk_display_irq_handler(struct drm_i915_private *dev_priv,
+ u32 de_iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
enum pipe pipe;
u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG;
if (hotplug_trigger)
- ilk_hpd_irq_handler(dev, hotplug_trigger, hpd_ilk);
+ ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ilk);
if (de_iir & DE_AUX_CHANNEL_A)
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
if (de_iir & DE_GSE)
- intel_opregion_asle_intr(dev);
+ intel_opregion_asle_intr(dev_priv);
if (de_iir & DE_POISON)
DRM_ERROR("Poison interrupt\n");
for_each_pipe(dev_priv, pipe) {
if (de_iir & DE_PIPE_VBLANK(pipe) &&
- intel_pipe_handle_vblank(dev, pipe))
- intel_check_page_flip(dev, pipe);
+ intel_pipe_handle_vblank(dev_priv, pipe))
+ intel_check_page_flip(dev_priv, pipe);
if (de_iir & DE_PIPE_FIFO_UNDERRUN(pipe))
intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe);
if (de_iir & DE_PIPE_CRC_DONE(pipe))
- i9xx_pipe_crc_irq_handler(dev, pipe);
+ i9xx_pipe_crc_irq_handler(dev_priv, pipe);
/* plane/pipes map 1:1 on ilk+ */
- if (de_iir & DE_PLANE_FLIP_DONE(pipe)) {
- intel_prepare_page_flip(dev, pipe);
- intel_finish_page_flip_plane(dev, pipe);
- }
+ if (de_iir & DE_PLANE_FLIP_DONE(pipe))
+ intel_finish_page_flip_cs(dev_priv, pipe);
}
/* check event from PCH */
if (de_iir & DE_PCH_EVENT) {
u32 pch_iir = I915_READ(SDEIIR);
- if (HAS_PCH_CPT(dev))
- cpt_irq_handler(dev, pch_iir);
+ if (HAS_PCH_CPT(dev_priv))
+ cpt_irq_handler(dev_priv, pch_iir);
else
- ibx_irq_handler(dev, pch_iir);
+ ibx_irq_handler(dev_priv, pch_iir);
/* should clear PCH hotplug event before clear CPU irq */
I915_WRITE(SDEIIR, pch_iir);
}
- if (IS_GEN5(dev) && de_iir & DE_PCU_EVENT)
- ironlake_rps_change_irq_handler(dev);
+ if (IS_GEN5(dev_priv) && de_iir & DE_PCU_EVENT)
+ ironlake_rps_change_irq_handler(dev_priv);
}
-static void ivb_display_irq_handler(struct drm_device *dev, u32 de_iir)
+static void ivb_display_irq_handler(struct drm_i915_private *dev_priv,
+ u32 de_iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
enum pipe pipe;
u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG_IVB;
if (hotplug_trigger)
- ilk_hpd_irq_handler(dev, hotplug_trigger, hpd_ivb);
+ ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ivb);
if (de_iir & DE_ERR_INT_IVB)
- ivb_err_int_handler(dev);
+ ivb_err_int_handler(dev_priv);
if (de_iir & DE_AUX_CHANNEL_A_IVB)
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
if (de_iir & DE_GSE_IVB)
- intel_opregion_asle_intr(dev);
+ intel_opregion_asle_intr(dev_priv);
for_each_pipe(dev_priv, pipe) {
if (de_iir & (DE_PIPE_VBLANK_IVB(pipe)) &&
- intel_pipe_handle_vblank(dev, pipe))
- intel_check_page_flip(dev, pipe);
+ intel_pipe_handle_vblank(dev_priv, pipe))
+ intel_check_page_flip(dev_priv, pipe);
/* plane/pipes map 1:1 on ilk+ */
- if (de_iir & DE_PLANE_FLIP_DONE_IVB(pipe)) {
- intel_prepare_page_flip(dev, pipe);
- intel_finish_page_flip_plane(dev, pipe);
- }
+ if (de_iir & DE_PLANE_FLIP_DONE_IVB(pipe))
+ intel_finish_page_flip_cs(dev_priv, pipe);
}
/* check event from PCH */
- if (!HAS_PCH_NOP(dev) && (de_iir & DE_PCH_EVENT_IVB)) {
+ if (!HAS_PCH_NOP(dev_priv) && (de_iir & DE_PCH_EVENT_IVB)) {
u32 pch_iir = I915_READ(SDEIIR);
- cpt_irq_handler(dev, pch_iir);
+ cpt_irq_handler(dev_priv, pch_iir);
/* clear PCH hotplug event before clear CPU irq */
I915_WRITE(SDEIIR, pch_iir);
@@ -2277,7 +2257,7 @@
* able to process them after we restore SDEIER (as soon as we restore
* it, we'll get an interrupt if SDEIIR still has something to process
* due to its back queue). */
- if (!HAS_PCH_NOP(dev)) {
+ if (!HAS_PCH_NOP(dev_priv)) {
sde_ier = I915_READ(SDEIER);
I915_WRITE(SDEIER, 0);
POSTING_READ(SDEIER);
@@ -2289,7 +2269,7 @@
if (gt_iir) {
I915_WRITE(GTIIR, gt_iir);
ret = IRQ_HANDLED;
- if (INTEL_INFO(dev)->gen >= 6)
+ if (INTEL_GEN(dev_priv) >= 6)
snb_gt_irq_handler(dev_priv, gt_iir);
else
ilk_gt_irq_handler(dev_priv, gt_iir);
@@ -2299,13 +2279,13 @@
if (de_iir) {
I915_WRITE(DEIIR, de_iir);
ret = IRQ_HANDLED;
- if (INTEL_INFO(dev)->gen >= 7)
- ivb_display_irq_handler(dev, de_iir);
+ if (INTEL_GEN(dev_priv) >= 7)
+ ivb_display_irq_handler(dev_priv, de_iir);
else
- ilk_display_irq_handler(dev, de_iir);
+ ilk_display_irq_handler(dev_priv, de_iir);
}
- if (INTEL_INFO(dev)->gen >= 6) {
+ if (INTEL_GEN(dev_priv) >= 6) {
u32 pm_iir = I915_READ(GEN6_PMIIR);
if (pm_iir) {
I915_WRITE(GEN6_PMIIR, pm_iir);
@@ -2316,7 +2296,7 @@
I915_WRITE(DEIER, de_ier);
POSTING_READ(DEIER);
- if (!HAS_PCH_NOP(dev)) {
+ if (!HAS_PCH_NOP(dev_priv)) {
I915_WRITE(SDEIER, sde_ier);
POSTING_READ(SDEIER);
}
@@ -2327,10 +2307,10 @@
return ret;
}
-static void bxt_hpd_irq_handler(struct drm_device *dev, u32 hotplug_trigger,
+static void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv,
+ u32 hotplug_trigger,
const u32 hpd[HPD_NUM_PINS])
{
- struct drm_i915_private *dev_priv = to_i915(dev);
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
@@ -2340,13 +2320,12 @@
dig_hotplug_reg, hpd,
bxt_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev, pin_mask, long_mask);
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
static irqreturn_t
gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
{
- struct drm_device *dev = dev_priv->dev;
irqreturn_t ret = IRQ_NONE;
u32 iir;
enum pipe pipe;
@@ -2357,7 +2336,7 @@
I915_WRITE(GEN8_DE_MISC_IIR, iir);
ret = IRQ_HANDLED;
if (iir & GEN8_DE_MISC_GSE)
- intel_opregion_asle_intr(dev);
+ intel_opregion_asle_intr(dev_priv);
else
DRM_ERROR("Unexpected DE Misc interrupt\n");
}
@@ -2381,26 +2360,28 @@
GEN9_AUX_CHANNEL_D;
if (iir & tmp_mask) {
- dp_aux_irq_handler(dev);
+ dp_aux_irq_handler(dev_priv);
found = true;
}
if (IS_BROXTON(dev_priv)) {
tmp_mask = iir & BXT_DE_PORT_HOTPLUG_MASK;
if (tmp_mask) {
- bxt_hpd_irq_handler(dev, tmp_mask, hpd_bxt);
+ bxt_hpd_irq_handler(dev_priv, tmp_mask,
+ hpd_bxt);
found = true;
}
} else if (IS_BROADWELL(dev_priv)) {
tmp_mask = iir & GEN8_PORT_DP_A_HOTPLUG;
if (tmp_mask) {
- ilk_hpd_irq_handler(dev, tmp_mask, hpd_bdw);
+ ilk_hpd_irq_handler(dev_priv,
+ tmp_mask, hpd_bdw);
found = true;
}
}
- if (IS_BROXTON(dev) && (iir & BXT_DE_PORT_GMBUS)) {
- gmbus_irq_handler(dev);
+ if (IS_BROXTON(dev_priv) && (iir & BXT_DE_PORT_GMBUS)) {
+ gmbus_irq_handler(dev_priv);
found = true;
}
@@ -2427,8 +2408,8 @@
I915_WRITE(GEN8_DE_PIPE_IIR(pipe), iir);
if (iir & GEN8_PIPE_VBLANK &&
- intel_pipe_handle_vblank(dev, pipe))
- intel_check_page_flip(dev, pipe);
+ intel_pipe_handle_vblank(dev_priv, pipe))
+ intel_check_page_flip(dev_priv, pipe);
flip_done = iir;
if (INTEL_INFO(dev_priv)->gen >= 9)
@@ -2436,13 +2417,11 @@
else
flip_done &= GEN8_PIPE_PRIMARY_FLIP_DONE;
- if (flip_done) {
- intel_prepare_page_flip(dev, pipe);
- intel_finish_page_flip_plane(dev, pipe);
- }
+ if (flip_done)
+ intel_finish_page_flip_cs(dev_priv, pipe);
if (iir & GEN8_PIPE_CDCLK_CRC_DONE)
- hsw_pipe_crc_irq_handler(dev, pipe);
+ hsw_pipe_crc_irq_handler(dev_priv, pipe);
if (iir & GEN8_PIPE_FIFO_UNDERRUN)
intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe);
@@ -2459,7 +2438,7 @@
fault_errors);
}
- if (HAS_PCH_SPLIT(dev) && !HAS_PCH_NOP(dev) &&
+ if (HAS_PCH_SPLIT(dev_priv) && !HAS_PCH_NOP(dev_priv) &&
master_ctl & GEN8_DE_PCH_IRQ) {
/*
* FIXME(BDW): Assume for now that the new interrupt handling
@@ -2472,9 +2451,9 @@
ret = IRQ_HANDLED;
if (HAS_PCH_SPT(dev_priv))
- spt_irq_handler(dev, iir);
+ spt_irq_handler(dev_priv, iir);
else
- cpt_irq_handler(dev, iir);
+ cpt_irq_handler(dev_priv, iir);
} else {
/*
* Like on previous PCH there seems to be something
@@ -2555,15 +2534,15 @@
* Fire an error uevent so userspace can see that a hang or error
* was detected.
*/
-static void i915_reset_and_wakeup(struct drm_device *dev)
+static void i915_reset_and_wakeup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct kobject *kobj = &dev_priv->dev->primary->kdev->kobj;
char *error_event[] = { I915_ERROR_UEVENT "=1", NULL };
char *reset_event[] = { I915_RESET_UEVENT "=1", NULL };
char *reset_done_event[] = { I915_ERROR_UEVENT "=0", NULL };
int ret;
- kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, error_event);
+ kobject_uevent_env(kobj, KOBJ_CHANGE, error_event);
/*
* Note that there's only one work item which does gpu resets, so we
@@ -2577,8 +2556,7 @@
*/
if (i915_reset_in_progress(&dev_priv->gpu_error)) {
DRM_DEBUG_DRIVER("resetting chip\n");
- kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE,
- reset_event);
+ kobject_uevent_env(kobj, KOBJ_CHANGE, reset_event);
/*
* In most cases it's guaranteed that we get here with an RPM
@@ -2589,7 +2567,7 @@
*/
intel_runtime_pm_get(dev_priv);
- intel_prepare_reset(dev);
+ intel_prepare_reset(dev_priv);
/*
* All state reset _must_ be completed before we update the
@@ -2597,14 +2575,14 @@
* pending state and not properly drop locks, resulting in
* deadlocks with the reset work.
*/
- ret = i915_reset(dev);
+ ret = i915_reset(dev_priv);
- intel_finish_reset(dev);
+ intel_finish_reset(dev_priv);
intel_runtime_pm_put(dev_priv);
if (ret == 0)
- kobject_uevent_env(&dev->primary->kdev->kobj,
+ kobject_uevent_env(kobj,
KOBJ_CHANGE, reset_done_event);
/*
@@ -2615,9 +2593,8 @@
}
}
-static void i915_report_and_clear_eir(struct drm_device *dev)
+static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t instdone[I915_NUM_INSTDONE_REG];
u32 eir = I915_READ(EIR);
int pipe, i;
@@ -2627,9 +2604,9 @@
pr_err("render error detected, EIR: 0x%08x\n", eir);
- i915_get_extra_instdone(dev, instdone);
+ i915_get_extra_instdone(dev_priv, instdone);
- if (IS_G4X(dev)) {
+ if (IS_G4X(dev_priv)) {
if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) {
u32 ipeir = I915_READ(IPEIR_I965);
@@ -2651,7 +2628,7 @@
}
}
- if (!IS_GEN2(dev)) {
+ if (!IS_GEN2(dev_priv)) {
if (eir & I915_ERROR_PAGE_TABLE) {
u32 pgtbl_err = I915_READ(PGTBL_ER);
pr_err("page table error\n");
@@ -2673,7 +2650,7 @@
pr_err(" INSTPM: 0x%08x\n", I915_READ(INSTPM));
for (i = 0; i < ARRAY_SIZE(instdone); i++)
pr_err(" INSTDONE_%d: 0x%08x\n", i, instdone[i]);
- if (INTEL_INFO(dev)->gen < 4) {
+ if (INTEL_GEN(dev_priv) < 4) {
u32 ipeir = I915_READ(IPEIR);
pr_err(" IPEIR: 0x%08x\n", I915_READ(IPEIR));
@@ -2717,10 +2694,10 @@
* so userspace knows something bad happened (should trigger collection
* of a ring dump etc.).
*/
-void i915_handle_error(struct drm_device *dev, u32 engine_mask,
+void i915_handle_error(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
const char *fmt, ...)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
va_list args;
char error_msg[80];
@@ -2728,8 +2705,8 @@
vscnprintf(error_msg, sizeof(error_msg), fmt, args);
va_end(args);
- i915_capture_error_state(dev, engine_mask, error_msg);
- i915_report_and_clear_eir(dev);
+ i915_capture_error_state(dev_priv, engine_mask, error_msg);
+ i915_report_and_clear_eir(dev_priv);
if (engine_mask) {
atomic_or(I915_RESET_IN_PROGRESS_FLAG,
@@ -2751,7 +2728,7 @@
i915_error_wake_up(dev_priv, false);
}
- i915_reset_and_wakeup(dev);
+ i915_reset_and_wakeup(dev_priv);
}
/* Called from drm generic code, passed 'crtc' which
@@ -2869,9 +2846,9 @@
}
static bool
-ipehr_is_semaphore_wait(struct drm_device *dev, u32 ipehr)
+ipehr_is_semaphore_wait(struct drm_i915_private *dev_priv, u32 ipehr)
{
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
return (ipehr >> 23) == 0x1c;
} else {
ipehr &= ~MI_SEMAPHORE_SYNC_MASK;
@@ -2884,10 +2861,10 @@
semaphore_wait_to_signaller_ring(struct intel_engine_cs *engine, u32 ipehr,
u64 offset)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct intel_engine_cs *signaller;
- if (INTEL_INFO(dev_priv)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
for_each_engine(signaller, dev_priv) {
if (engine == signaller)
continue;
@@ -2916,7 +2893,7 @@
static struct intel_engine_cs *
semaphore_waits_for(struct intel_engine_cs *engine, u32 *seqno)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 cmd, ipehr, head;
u64 offset = 0;
int i, backwards;
@@ -2942,7 +2919,7 @@
return NULL;
ipehr = I915_READ(RING_IPEHR(engine->mmio_base));
- if (!ipehr_is_semaphore_wait(engine->dev, ipehr))
+ if (!ipehr_is_semaphore_wait(engine->i915, ipehr))
return NULL;
/*
@@ -2954,7 +2931,7 @@
* ringbuffer itself.
*/
head = I915_READ_HEAD(engine) & HEAD_ADDR;
- backwards = (INTEL_INFO(engine->dev)->gen >= 8) ? 5 : 4;
+ backwards = (INTEL_GEN(dev_priv) >= 8) ? 5 : 4;
for (i = backwards; i; --i) {
/*
@@ -2976,7 +2953,7 @@
return NULL;
*seqno = ioread32(engine->buffer->virtual_start + head + 4) + 1;
- if (INTEL_INFO(engine->dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
offset = ioread32(engine->buffer->virtual_start + head + 12);
offset <<= 32;
offset = ioread32(engine->buffer->virtual_start + head + 8);
@@ -2986,7 +2963,7 @@
static int semaphore_passed(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct intel_engine_cs *signaller;
u32 seqno;
@@ -3028,7 +3005,7 @@
if (engine->id != RCS)
return true;
- i915_get_extra_instdone(engine->dev, instdone);
+ i915_get_extra_instdone(engine->i915, instdone);
/* There might be unstable subunit states even when
* actual head is not moving. Filter out the unstable ones by
@@ -3069,8 +3046,7 @@
static enum intel_ring_hangcheck_action
ring_stuck(struct intel_engine_cs *engine, u64 acthd)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
enum intel_ring_hangcheck_action ha;
u32 tmp;
@@ -3078,7 +3054,7 @@
if (ha != HANGCHECK_HUNG)
return ha;
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
return HANGCHECK_HUNG;
/* Is the chip hanging on a WAIT_FOR_EVENT?
@@ -3088,19 +3064,19 @@
*/
tmp = I915_READ_CTL(engine);
if (tmp & RING_WAIT) {
- i915_handle_error(dev, 0,
+ i915_handle_error(dev_priv, 0,
"Kicking stuck wait on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);
return HANGCHECK_KICK;
}
- if (INTEL_INFO(dev)->gen >= 6 && tmp & RING_WAIT_SEMAPHORE) {
+ if (INTEL_GEN(dev_priv) >= 6 && tmp & RING_WAIT_SEMAPHORE) {
switch (semaphore_passed(engine)) {
default:
return HANGCHECK_HUNG;
case 1:
- i915_handle_error(dev, 0,
+ i915_handle_error(dev_priv, 0,
"Kicking stuck semaphore on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);
@@ -3115,7 +3091,7 @@
static unsigned kick_waiters(struct intel_engine_cs *engine)
{
- struct drm_i915_private *i915 = to_i915(engine->dev);
+ struct drm_i915_private *i915 = engine->i915;
unsigned user_interrupts = READ_ONCE(engine->user_interrupts);
if (engine->hangcheck.user_interrupts == user_interrupts &&
@@ -3144,7 +3120,6 @@
struct drm_i915_private *dev_priv =
container_of(work, typeof(*dev_priv),
gpu_error.hangcheck_work.work);
- struct drm_device *dev = dev_priv->dev;
struct intel_engine_cs *engine;
enum intel_engine_id id;
int busy_count = 0, rings_hung = 0;
@@ -3272,22 +3247,22 @@
}
if (rings_hung) {
- i915_handle_error(dev, rings_hung, "Engine(s) hung");
+ i915_handle_error(dev_priv, rings_hung, "Engine(s) hung");
goto out;
}
if (busy_count)
/* Reset timer case chip hangs without another request
* being added */
- i915_queue_hangcheck(dev);
+ i915_queue_hangcheck(dev_priv);
out:
ENABLE_RPM_WAKEREF_ASSERTS(dev_priv);
}
-void i915_queue_hangcheck(struct drm_device *dev)
+void i915_queue_hangcheck(struct drm_i915_private *dev_priv)
{
- struct i915_gpu_error *e = &to_i915(dev)->gpu_error;
+ struct i915_gpu_error *e = &dev_priv->gpu_error;
if (!i915.enable_hangcheck)
return;
@@ -3500,31 +3475,29 @@
spin_unlock_irq(&dev_priv->irq_lock);
}
-static u32 intel_hpd_enabled_irqs(struct drm_device *dev,
+static u32 intel_hpd_enabled_irqs(struct drm_i915_private *dev_priv,
const u32 hpd[HPD_NUM_PINS])
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_encoder *encoder;
u32 enabled_irqs = 0;
- for_each_intel_encoder(dev, encoder)
+ for_each_intel_encoder(dev_priv->dev, encoder)
if (dev_priv->hotplug.stats[encoder->hpd_pin].state == HPD_ENABLED)
enabled_irqs |= hpd[encoder->hpd_pin];
return enabled_irqs;
}
-static void ibx_hpd_irq_setup(struct drm_device *dev)
+static void ibx_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_irqs, hotplug, enabled_irqs;
- if (HAS_PCH_IBX(dev)) {
+ if (HAS_PCH_IBX(dev_priv)) {
hotplug_irqs = SDE_HOTPLUG_MASK;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ibx);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ibx);
} else {
hotplug_irqs = SDE_HOTPLUG_MASK_CPT;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_cpt);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_cpt);
}
ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
@@ -3543,18 +3516,17 @@
* When CPU and PCH are on the same package, port A
* HPD must be enabled in both north and south.
*/
- if (HAS_PCH_LPT_LP(dev))
+ if (HAS_PCH_LPT_LP(dev_priv))
hotplug |= PORTA_HOTPLUG_ENABLE;
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
}
-static void spt_hpd_irq_setup(struct drm_device *dev)
+static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_irqs, hotplug, enabled_irqs;
hotplug_irqs = SDE_HOTPLUG_MASK_SPT;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_spt);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_spt);
ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
@@ -3569,24 +3541,23 @@
I915_WRITE(PCH_PORT_HOTPLUG2, hotplug);
}
-static void ilk_hpd_irq_setup(struct drm_device *dev)
+static void ilk_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_irqs, hotplug, enabled_irqs;
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
hotplug_irqs = GEN8_PORT_DP_A_HOTPLUG;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_bdw);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bdw);
bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
- } else if (INTEL_INFO(dev)->gen >= 7) {
+ } else if (INTEL_GEN(dev_priv) >= 7) {
hotplug_irqs = DE_DP_A_HOTPLUG_IVB;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ivb);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ivb);
ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs);
} else {
hotplug_irqs = DE_DP_A_HOTPLUG;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_ilk);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ilk);
ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs);
}
@@ -3601,15 +3572,14 @@
hotplug |= DIGITAL_PORTA_HOTPLUG_ENABLE | DIGITAL_PORTA_PULSE_DURATION_2ms;
I915_WRITE(DIGITAL_PORT_HOTPLUG_CNTRL, hotplug);
- ibx_hpd_irq_setup(dev);
+ ibx_hpd_irq_setup(dev_priv);
}
-static void bxt_hpd_irq_setup(struct drm_device *dev)
+static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_irqs, hotplug, enabled_irqs;
- enabled_irqs = intel_hpd_enabled_irqs(dev, hpd_bxt);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bxt);
hotplug_irqs = BXT_DE_PORT_HOTPLUG_MASK;
bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
@@ -4006,13 +3976,12 @@
/*
* Returns true when a page flip has completed.
*/
-static bool i8xx_handle_vblank(struct drm_device *dev,
+static bool i8xx_handle_vblank(struct drm_i915_private *dev_priv,
int plane, int pipe, u32 iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u16 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane);
- if (!intel_pipe_handle_vblank(dev, pipe))
+ if (!intel_pipe_handle_vblank(dev_priv, pipe))
return false;
if ((iir & flip_pending) == 0)
@@ -4027,12 +3996,11 @@
if (I915_READ16(ISR) & flip_pending)
goto check_page_flip;
- intel_prepare_page_flip(dev, plane);
- intel_finish_page_flip(dev, pipe);
+ intel_finish_page_flip_cs(dev_priv, pipe);
return true;
check_page_flip:
- intel_check_page_flip(dev, pipe);
+ intel_check_page_flip(dev_priv, pipe);
return false;
}
@@ -4089,15 +4057,15 @@
for_each_pipe(dev_priv, pipe) {
int plane = pipe;
- if (HAS_FBC(dev))
+ if (HAS_FBC(dev_priv))
plane = !plane;
if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS &&
- i8xx_handle_vblank(dev, plane, pipe, iir))
+ i8xx_handle_vblank(dev_priv, plane, pipe, iir))
flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane);
if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS)
- i9xx_pipe_crc_irq_handler(dev, pipe);
+ i9xx_pipe_crc_irq_handler(dev_priv, pipe);
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
intel_cpu_fifo_underrun_irq_handler(dev_priv,
@@ -4182,7 +4150,7 @@
I915_WRITE(IER, enable_mask);
POSTING_READ(IER);
- i915_enable_asle_pipestat(dev);
+ i915_enable_asle_pipestat(dev_priv);
/* Interrupt setup is already guaranteed to be single-threaded, this is
* just to make the assert_spin_locked check happy. */
@@ -4197,13 +4165,12 @@
/*
* Returns true when a page flip has completed.
*/
-static bool i915_handle_vblank(struct drm_device *dev,
+static bool i915_handle_vblank(struct drm_i915_private *dev_priv,
int plane, int pipe, u32 iir)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 flip_pending = DISPLAY_PLANE_FLIP_PENDING(plane);
- if (!intel_pipe_handle_vblank(dev, pipe))
+ if (!intel_pipe_handle_vblank(dev_priv, pipe))
return false;
if ((iir & flip_pending) == 0)
@@ -4218,12 +4185,11 @@
if (I915_READ(ISR) & flip_pending)
goto check_page_flip;
- intel_prepare_page_flip(dev, plane);
- intel_finish_page_flip(dev, pipe);
+ intel_finish_page_flip_cs(dev_priv, pipe);
return true;
check_page_flip:
- intel_check_page_flip(dev, pipe);
+ intel_check_page_flip(dev_priv, pipe);
return false;
}
@@ -4273,11 +4239,11 @@
break;
/* Consume port. Then clear IIR or we'll miss events */
- if (I915_HAS_HOTPLUG(dev) &&
+ if (I915_HAS_HOTPLUG(dev_priv) &&
iir & I915_DISPLAY_PORT_INTERRUPT) {
u32 hotplug_status = i9xx_hpd_irq_ack(dev_priv);
if (hotplug_status)
- i9xx_hpd_irq_handler(dev, hotplug_status);
+ i9xx_hpd_irq_handler(dev_priv, hotplug_status);
}
I915_WRITE(IIR, iir & ~flip_mask);
@@ -4288,18 +4254,18 @@
for_each_pipe(dev_priv, pipe) {
int plane = pipe;
- if (HAS_FBC(dev))
+ if (HAS_FBC(dev_priv))
plane = !plane;
if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS &&
- i915_handle_vblank(dev, plane, pipe, iir))
+ i915_handle_vblank(dev_priv, plane, pipe, iir))
flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(plane);
if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS)
blc_event = true;
if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS)
- i9xx_pipe_crc_irq_handler(dev, pipe);
+ i9xx_pipe_crc_irq_handler(dev_priv, pipe);
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
intel_cpu_fifo_underrun_irq_handler(dev_priv,
@@ -4307,7 +4273,7 @@
}
if (blc_event || (iir & I915_ASLE_INTERRUPT))
- intel_opregion_asle_intr(dev);
+ intel_opregion_asle_intr(dev_priv);
/* With MSI, interrupts are only generated when iir
* transitions from zero to nonzero. If another bit got
@@ -4391,7 +4357,7 @@
I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
enable_mask |= I915_USER_INTERRUPT;
- if (IS_G4X(dev))
+ if (IS_G4X(dev_priv))
enable_mask |= I915_BSD_USER_INTERRUPT;
/* Interrupt setup is already guaranteed to be single-threaded, this is
@@ -4406,7 +4372,7 @@
* Enable some error detection, note the instruction error mask
* bit is reserved, so we leave it masked.
*/
- if (IS_G4X(dev)) {
+ if (IS_G4X(dev_priv)) {
error_mask = ~(GM45_ERROR_PAGE_TABLE |
GM45_ERROR_MEM_PRIV |
GM45_ERROR_CP_PRIV |
@@ -4424,26 +4390,25 @@
i915_hotplug_interrupt_update(dev_priv, 0xffffffff, 0);
POSTING_READ(PORT_HOTPLUG_EN);
- i915_enable_asle_pipestat(dev);
+ i915_enable_asle_pipestat(dev_priv);
return 0;
}
-static void i915_hpd_irq_setup(struct drm_device *dev)
+static void i915_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 hotplug_en;
assert_spin_locked(&dev_priv->irq_lock);
/* Note HDMI and DP share hotplug bits */
/* enable bits are the same for all generations */
- hotplug_en = intel_hpd_enabled_irqs(dev, hpd_mask_i915);
+ hotplug_en = intel_hpd_enabled_irqs(dev_priv, hpd_mask_i915);
/* Programming the CRT detection parameters tends
to generate a spurious hotplug event about three
seconds later. So just do it once.
*/
- if (IS_G4X(dev))
+ if (IS_G4X(dev_priv))
hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
@@ -4510,7 +4475,7 @@
if (iir & I915_DISPLAY_PORT_INTERRUPT) {
u32 hotplug_status = i9xx_hpd_irq_ack(dev_priv);
if (hotplug_status)
- i9xx_hpd_irq_handler(dev, hotplug_status);
+ i9xx_hpd_irq_handler(dev_priv, hotplug_status);
}
I915_WRITE(IIR, iir & ~flip_mask);
@@ -4523,24 +4488,24 @@
for_each_pipe(dev_priv, pipe) {
if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS &&
- i915_handle_vblank(dev, pipe, pipe, iir))
+ i915_handle_vblank(dev_priv, pipe, pipe, iir))
flip_mask &= ~DISPLAY_PLANE_FLIP_PENDING(pipe);
if (pipe_stats[pipe] & PIPE_LEGACY_BLC_EVENT_STATUS)
blc_event = true;
if (pipe_stats[pipe] & PIPE_CRC_DONE_INTERRUPT_STATUS)
- i9xx_pipe_crc_irq_handler(dev, pipe);
+ i9xx_pipe_crc_irq_handler(dev_priv, pipe);
if (pipe_stats[pipe] & PIPE_FIFO_UNDERRUN_STATUS)
intel_cpu_fifo_underrun_irq_handler(dev_priv, pipe);
}
if (blc_event || (iir & I915_ASLE_INTERRUPT))
- intel_opregion_asle_intr(dev);
+ intel_opregion_asle_intr(dev_priv);
if (pipe_stats[0] & PIPE_GMBUS_INTERRUPT_STATUS)
- gmbus_irq_handler(dev);
+ gmbus_irq_handler(dev_priv);
/* With MSI, interrupts are only generated when iir
* transitions from zero to nonzero. If another bit got
@@ -4674,12 +4639,12 @@
dev->driver->disable_vblank = ironlake_disable_vblank;
dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;
} else {
- if (INTEL_INFO(dev_priv)->gen == 2) {
+ if (IS_GEN2(dev_priv)) {
dev->driver->irq_preinstall = i8xx_irq_preinstall;
dev->driver->irq_postinstall = i8xx_irq_postinstall;
dev->driver->irq_handler = i8xx_irq_handler;
dev->driver->irq_uninstall = i8xx_irq_uninstall;
- } else if (INTEL_INFO(dev_priv)->gen == 3) {
+ } else if (IS_GEN3(dev_priv)) {
dev->driver->irq_preinstall = i915_irq_preinstall;
dev->driver->irq_postinstall = i915_irq_postinstall;
dev->driver->irq_uninstall = i915_irq_uninstall;
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 1779f02..383c076 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -58,6 +58,7 @@
.guc_log_level = -1,
.enable_dp_mst = true,
.inject_load_failure = 0,
+ .enable_dpcd_backlight = false,
};
module_param_named(modeset, i915.modeset, int, 0400);
@@ -210,3 +211,6 @@
module_param_named_unsafe(inject_load_failure, i915.inject_load_failure, uint, 0400);
MODULE_PARM_DESC(inject_load_failure,
"Force an error after a number of failure check points (0:disabled (default), N:force failure at the Nth failure check point)");
+module_param_named(enable_dpcd_backlight, i915.enable_dpcd_backlight, bool, 0600);
+MODULE_PARM_DESC(enable_dpcd_backlight,
+ "Enable support for DPCD backlight control (default:false)");
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index 02bc278..65e73dd 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -61,6 +61,7 @@
bool verbose_state_checks;
bool nuclear_pageflip;
bool enable_dp_mst;
+ bool enable_dpcd_backlight;
};
extern struct i915_params i915 __read_mostly;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index b407411..e307725 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2449,6 +2449,8 @@
#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
+#define RAWCLK_FREQ_VLV _MMIO(VLV_DISPLAY_BASE + 0x6024)
+
#define _FPA0 0x6040
#define _FPA1 0x6044
#define _FPB0 0x6048
@@ -6031,6 +6033,7 @@
#define CHICKEN_PAR1_1 _MMIO(0x42080)
#define DPA_MASK_VBLANK_SRD (1 << 15)
#define FORCE_ARB_IDLE_PLANES (1 << 14)
+#define SKL_EDP_PSR_FIX_RDWRAP (1 << 3)
#define _CHICKEN_PIPESL_1_A 0x420b0
#define _CHICKEN_PIPESL_1_B 0x420b4
@@ -6089,7 +6092,14 @@
#define VLV_B0_WA_L3SQCREG1_VALUE 0x00D30000
#define GEN8_L3SQCREG1 _MMIO(0xB100)
-#define BDW_WA_L3SQCREG1_DEFAULT 0x784000
+/*
+ * Note that on CHV the following has an off-by-one error wrt. to BSpec.
+ * Using the formula in BSpec leads to a hang, while the formula here works
+ * fine and matches the formulas for all other platforms. A BSpec change
+ * request has been filed to clarify this.
+ */
+#define L3_GENERAL_PRIO_CREDITS(x) (((x) >> 1) << 19)
+#define L3_HIGH_PRIO_CREDITS(x) (((x) >> 1) << 14)
#define GEN7_L3CNTLREG1 _MMIO(0xB01C)
#define GEN7_WA_FOR_GEN7_L3_CONTROL 0x3C47FF8C
@@ -7557,14 +7567,15 @@
#define CDCLK_FREQ_540 (1<<26)
#define CDCLK_FREQ_337_308 (2<<26)
#define CDCLK_FREQ_675_617 (3<<26)
-#define CDCLK_FREQ_DECIMAL_MASK (0x7ff)
-
#define BXT_CDCLK_CD2X_DIV_SEL_MASK (3<<22)
#define BXT_CDCLK_CD2X_DIV_SEL_1 (0<<22)
#define BXT_CDCLK_CD2X_DIV_SEL_1_5 (1<<22)
#define BXT_CDCLK_CD2X_DIV_SEL_2 (2<<22)
#define BXT_CDCLK_CD2X_DIV_SEL_4 (3<<22)
+#define BXT_CDCLK_CD2X_PIPE(pipe) ((pipe)<<20)
+#define BXT_CDCLK_CD2X_PIPE_NONE BXT_CDCLK_CD2X_PIPE(3)
#define BXT_CDCLK_SSA_PRECHARGE_ENABLE (1<<16)
+#define CDCLK_FREQ_DECIMAL_MASK (0x7ff)
/* LCPLL_CTL */
#define LCPLL1_CTL _MMIO(0x46010)
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 2d576b7..37b6444 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -43,7 +43,7 @@
u64 units = 128ULL, div = 100000ULL;
u32 ret;
- if (!intel_enable_rc6(dev))
+ if (!intel_enable_rc6())
return 0;
intel_runtime_pm_get(dev_priv);
@@ -70,8 +70,7 @@
static ssize_t
show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
{
- struct drm_minor *dminor = dev_to_drm_minor(kdev);
- return snprintf(buf, PAGE_SIZE, "%x\n", intel_enable_rc6(dminor->dev));
+ return snprintf(buf, PAGE_SIZE, "%x\n", intel_enable_rc6());
}
static ssize_t
@@ -397,7 +396,7 @@
/* We still need *_set_rps to process the new max_delay and
* update the interrupt limits and PMINTRMSK even though
* frequency request may be unchanged. */
- intel_set_rps(dev, val);
+ intel_set_rps(dev_priv, val);
mutex_unlock(&dev_priv->rps.hw_lock);
@@ -461,7 +460,7 @@
/* We still need *_set_rps to process the new min_delay and
* update the interrupt limits and PMINTRMSK even though
* frequency request may be unchanged. */
- intel_set_rps(dev, val);
+ intel_set_rps(dev_priv, val);
mutex_unlock(&dev_priv->rps.hw_lock);
diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h
index dc0def2..20b2e40 100644
--- a/drivers/gpu/drm/i915/i915_trace.h
+++ b/drivers/gpu/drm/i915/i915_trace.h
@@ -462,7 +462,7 @@
),
TP_fast_assign(
- __entry->dev = from->dev->primary->index;
+ __entry->dev = from->i915->dev->primary->index;
__entry->sync_from = from->id;
__entry->sync_to = to_req->engine->id;
__entry->seqno = i915_gem_request_get_seqno(req);
@@ -486,13 +486,11 @@
),
TP_fast_assign(
- struct intel_engine_cs *engine =
- i915_gem_request_get_engine(req);
- __entry->dev = engine->dev->primary->index;
- __entry->ring = engine->id;
- __entry->seqno = i915_gem_request_get_seqno(req);
+ __entry->dev = req->i915->dev->primary->index;
+ __entry->ring = req->engine->id;
+ __entry->seqno = req->seqno;
__entry->flags = flags;
- i915_trace_irq_get(engine, req);
+ i915_trace_irq_get(req->engine, req);
),
TP_printk("dev=%u, ring=%u, seqno=%u, flags=%x",
@@ -511,7 +509,7 @@
),
TP_fast_assign(
- __entry->dev = req->engine->dev->primary->index;
+ __entry->dev = req->i915->dev->primary->index;
__entry->ring = req->engine->id;
__entry->invalidate = invalidate;
__entry->flush = flush;
@@ -533,11 +531,9 @@
),
TP_fast_assign(
- struct intel_engine_cs *engine =
- i915_gem_request_get_engine(req);
- __entry->dev = engine->dev->primary->index;
- __entry->ring = engine->id;
- __entry->seqno = i915_gem_request_get_seqno(req);
+ __entry->dev = req->i915->dev->primary->index;
+ __entry->ring = req->engine->id;
+ __entry->seqno = req->seqno;
),
TP_printk("dev=%u, ring=%u, seqno=%u",
@@ -560,7 +556,7 @@
),
TP_fast_assign(
- __entry->dev = engine->dev->primary->index;
+ __entry->dev = engine->i915->dev->primary->index;
__entry->ring = engine->id;
__entry->seqno = engine->get_seqno(engine);
),
@@ -597,13 +593,11 @@
* less desirable.
*/
TP_fast_assign(
- struct intel_engine_cs *engine =
- i915_gem_request_get_engine(req);
- __entry->dev = engine->dev->primary->index;
- __entry->ring = engine->id;
- __entry->seqno = i915_gem_request_get_seqno(req);
+ __entry->dev = req->i915->dev->primary->index;
+ __entry->ring = req->engine->id;
+ __entry->seqno = req->seqno;
__entry->blocking =
- mutex_is_locked(&engine->dev->struct_mutex);
+ mutex_is_locked(&req->i915->dev->struct_mutex);
),
TP_printk("dev=%u, ring=%u, seqno=%u, blocking=%s",
@@ -792,7 +786,7 @@
__entry->ring = engine->id;
__entry->to = to;
__entry->vm = to->ppgtt? &to->ppgtt->base : NULL;
- __entry->dev = engine->dev->primary->index;
+ __entry->dev = engine->i915->dev->primary->index;
),
TP_printk("dev=%u, ring=%u, ctx=%p, ctx_vm=%p",
diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c
index d02efb8..d5a7a5e 100644
--- a/drivers/gpu/drm/i915/i915_vgpu.c
+++ b/drivers/gpu/drm/i915/i915_vgpu.c
@@ -58,15 +58,14 @@
* This function is called at the initialization stage, to detect whether
* running on a vGPU.
*/
-void i915_check_vgpu(struct drm_device *dev)
+void i915_check_vgpu(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
uint64_t magic;
uint32_t version;
BUILD_BUG_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
- if (!IS_HASWELL(dev))
+ if (!IS_HASWELL(dev_priv))
return;
magic = __raw_i915_read64(dev_priv, vgtif_reg(magic));
@@ -136,7 +135,7 @@
/**
* intel_vgt_balloon - balloon out reserved graphics address trunks
- * @dev: drm device
+ * @dev_priv: i915 device
*
* This function is called at the initialization stage, to balloon out the
* graphic address space allocated to other vGPUs, by marking these spaces as
diff --git a/drivers/gpu/drm/i915/i915_vgpu.h b/drivers/gpu/drm/i915/i915_vgpu.h
index 3c83b47..21ffcfe 100644
--- a/drivers/gpu/drm/i915/i915_vgpu.h
+++ b/drivers/gpu/drm/i915/i915_vgpu.h
@@ -110,7 +110,7 @@
#define VGT_DRV_DISPLAY_NOT_READY 0
#define VGT_DRV_DISPLAY_READY 1 /* ready for display switch */
-extern void i915_check_vgpu(struct drm_device *dev);
+extern void i915_check_vgpu(struct drm_i915_private *dev_priv);
extern int intel_vgt_balloon(struct drm_device *dev);
extern void intel_vgt_deballoon(void);
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 02a7527..b9329c2 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -621,17 +621,11 @@
static int i915_audio_component_get_cdclk_freq(struct device *dev)
{
struct drm_i915_private *dev_priv = dev_to_i915(dev);
- int ret;
if (WARN_ON_ONCE(!HAS_DDI(dev_priv)))
return -ENODEV;
- intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
- ret = dev_priv->display.get_display_clock_speed(dev_priv->dev);
-
- intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO);
-
- return ret;
+ return dev_priv->cdclk_freq;
}
static int i915_audio_component_sync_audio_rate(struct device *dev,
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index b235b6e..8b68c48 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -318,6 +318,15 @@
return;
}
+ dev_priv->vbt.backlight.type = INTEL_BACKLIGHT_DISPLAY_DDI;
+ if (bdb->version >= 191 &&
+ get_blocksize(backlight_data) >= sizeof(*backlight_data)) {
+ const struct bdb_lfp_backlight_control_method *method;
+
+ method = &backlight_data->backlight_control[panel_type];
+ dev_priv->vbt.backlight.type = method->type;
+ }
+
dev_priv->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz;
dev_priv->vbt.backlight.active_low_pwm = entry->active_low_pwm;
dev_priv->vbt.backlight.min_brightness = entry->min_brightness;
@@ -763,6 +772,16 @@
return;
}
+ /*
+ * These fields are introduced from the VBT version 197 onwards,
+ * so making sure that these bits are set zero in the previous
+ * versions.
+ */
+ if (dev_priv->vbt.dsi.config->dual_link && bdb->version < 197) {
+ dev_priv->vbt.dsi.config->dl_dcs_cabc_ports = 0;
+ dev_priv->vbt.dsi.config->dl_dcs_backlight_ports = 0;
+ }
+
/* We have mandatory mipi config blocks. Initialize as generic panel */
dev_priv->vbt.dsi.panel_id = MIPI_DSI_GENERIC_PANEL_ID;
}
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index ab0ea31..8405b5a 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -30,6 +30,14 @@
#ifndef _INTEL_BIOS_H_
#define _INTEL_BIOS_H_
+enum intel_backlight_type {
+ INTEL_BACKLIGHT_PMIC,
+ INTEL_BACKLIGHT_LPSS,
+ INTEL_BACKLIGHT_DISPLAY_DDI,
+ INTEL_BACKLIGHT_DSI_DCS,
+ INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE,
+};
+
struct edp_power_seq {
u16 t1_t3;
u16 t8;
@@ -113,7 +121,13 @@
u16 dual_link:2;
u16 lane_cnt:2;
u16 pixel_overlap:3;
- u16 rsvd3:9;
+ u16 rgb_flip:1;
+#define DL_DCS_PORT_A 0x00
+#define DL_DCS_PORT_C 0x01
+#define DL_DCS_PORT_A_AND_C 0x02
+ u16 dl_dcs_cabc_ports:2;
+ u16 dl_dcs_backlight_ports:2;
+ u16 rsvd3:4;
u16 rsvd4;
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index a34c23e..2b3b428 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -41,16 +41,22 @@
* be moved to FW_FAILED.
*/
+#define I915_CSR_KBL "i915/kbl_dmc_ver1.bin"
+MODULE_FIRMWARE(I915_CSR_KBL);
+#define KBL_CSR_VERSION_REQUIRED CSR_VERSION(1, 1)
+
#define I915_CSR_SKL "i915/skl_dmc_ver1.bin"
+MODULE_FIRMWARE(I915_CSR_SKL);
+#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1, 23)
+
#define I915_CSR_BXT "i915/bxt_dmc_ver1.bin"
+MODULE_FIRMWARE(I915_CSR_BXT);
+#define BXT_CSR_VERSION_REQUIRED CSR_VERSION(1, 7)
#define FIRMWARE_URL "https://01.org/linuxgraphics/intel-linux-graphics-firmwares"
-MODULE_FIRMWARE(I915_CSR_SKL);
-MODULE_FIRMWARE(I915_CSR_BXT);
-#define SKL_CSR_VERSION_REQUIRED CSR_VERSION(1, 23)
-#define BXT_CSR_VERSION_REQUIRED CSR_VERSION(1, 7)
+
#define CSR_MAX_FW_SIZE 0x2FFF
#define CSR_DEFAULT_FW_OFFSET 0xFFFFFFFF
@@ -169,12 +175,10 @@
char substepping;
};
-/*
- * Kabylake derivated from Skylake H0, so SKL H0
- * is the right firmware for KBL A0 (revid 0).
- */
static const struct stepping_info kbl_stepping_info[] = {
- {'H', '0'}, {'I', '0'}
+ {'A', '0'}, {'B', '0'}, {'C', '0'},
+ {'D', '0'}, {'E', '0'}, {'F', '0'},
+ {'G', '0'}, {'H', '0'}, {'I', '0'},
};
static const struct stepping_info skl_stepping_info[] = {
@@ -298,7 +302,9 @@
csr->version = css_header->version;
- if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ if (IS_KABYLAKE(dev_priv)) {
+ required_min_version = KBL_CSR_VERSION_REQUIRED;
+ } else if (IS_SKYLAKE(dev_priv)) {
required_min_version = SKL_CSR_VERSION_REQUIRED;
} else if (IS_BROXTON(dev_priv)) {
required_min_version = BXT_CSR_VERSION_REQUIRED;
@@ -446,7 +452,9 @@
if (!HAS_CSR(dev_priv))
return;
- if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+ if (IS_KABYLAKE(dev_priv))
+ csr->fw_path = I915_CSR_KBL;
+ else if (IS_SKYLAKE(dev_priv))
csr->fw_path = I915_CSR_SKL;
else if (IS_BROXTON(dev_priv))
csr->fw_path = I915_CSR_BXT;
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 01e523d..c454744 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -948,7 +948,7 @@
{
struct intel_shared_dpll *pll;
struct intel_dpll_hw_state *state;
- intel_clock_t clock;
+ struct dpll clock;
/* For DDI ports we always use a shared PLL. */
if (WARN_ON(dpll == DPLL_ID_PRIVATE))
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2113f40..3f8987b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -48,6 +48,11 @@
#include <linux/reservation.h>
#include <linux/dma-buf.h>
+static bool is_mmio_work(struct intel_flip_work *work)
+{
+ return work->mmio_work.func;
+}
+
/* Primary plane formats for gen <= 3 */
static const uint32_t i8xx_primary_formats[] = {
DRM_FORMAT_C8,
@@ -117,20 +122,17 @@
static void ironlake_pfit_enable(struct intel_crtc *crtc);
static void intel_modeset_setup_hw_state(struct drm_device *dev);
static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc);
+static int ilk_max_pixel_rate(struct drm_atomic_state *state);
-typedef struct {
- int min, max;
-} intel_range_t;
-
-typedef struct {
- int dot_limit;
- int p2_slow, p2_fast;
-} intel_p2_t;
-
-typedef struct intel_limit intel_limit_t;
struct intel_limit {
- intel_range_t dot, vco, n, m, m1, m2, p, p1;
- intel_p2_t p2;
+ struct {
+ int min, max;
+ } dot, vco, n, m, m1, m2, p, p1;
+
+ struct {
+ int dot_limit;
+ int p2_slow, p2_fast;
+ } p2;
};
/* returns HPLL frequency in kHz */
@@ -185,6 +187,7 @@
static int
intel_vlv_hrawclk(struct drm_i915_private *dev_priv)
{
+ /* RAWCLK_FREQ_VLV register updated from power well code */
return vlv_get_cck_clock_hpll(dev_priv, "hrawclk",
CCK_DISPLAY_REF_CLOCK_CONTROL);
}
@@ -218,7 +221,7 @@
}
}
-static void intel_update_rawclk(struct drm_i915_private *dev_priv)
+void intel_update_rawclk(struct drm_i915_private *dev_priv)
{
if (HAS_PCH_SPLIT(dev_priv))
dev_priv->rawclk_freq = intel_pch_rawclk(dev_priv);
@@ -255,7 +258,7 @@
return 270000;
}
-static const intel_limit_t intel_limits_i8xx_dac = {
+static const struct intel_limit intel_limits_i8xx_dac = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 908000, .max = 1512000 },
.n = { .min = 2, .max = 16 },
@@ -268,7 +271,7 @@
.p2_slow = 4, .p2_fast = 2 },
};
-static const intel_limit_t intel_limits_i8xx_dvo = {
+static const struct intel_limit intel_limits_i8xx_dvo = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 908000, .max = 1512000 },
.n = { .min = 2, .max = 16 },
@@ -281,7 +284,7 @@
.p2_slow = 4, .p2_fast = 4 },
};
-static const intel_limit_t intel_limits_i8xx_lvds = {
+static const struct intel_limit intel_limits_i8xx_lvds = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 908000, .max = 1512000 },
.n = { .min = 2, .max = 16 },
@@ -294,7 +297,7 @@
.p2_slow = 14, .p2_fast = 7 },
};
-static const intel_limit_t intel_limits_i9xx_sdvo = {
+static const struct intel_limit intel_limits_i9xx_sdvo = {
.dot = { .min = 20000, .max = 400000 },
.vco = { .min = 1400000, .max = 2800000 },
.n = { .min = 1, .max = 6 },
@@ -307,7 +310,7 @@
.p2_slow = 10, .p2_fast = 5 },
};
-static const intel_limit_t intel_limits_i9xx_lvds = {
+static const struct intel_limit intel_limits_i9xx_lvds = {
.dot = { .min = 20000, .max = 400000 },
.vco = { .min = 1400000, .max = 2800000 },
.n = { .min = 1, .max = 6 },
@@ -321,7 +324,7 @@
};
-static const intel_limit_t intel_limits_g4x_sdvo = {
+static const struct intel_limit intel_limits_g4x_sdvo = {
.dot = { .min = 25000, .max = 270000 },
.vco = { .min = 1750000, .max = 3500000},
.n = { .min = 1, .max = 4 },
@@ -336,7 +339,7 @@
},
};
-static const intel_limit_t intel_limits_g4x_hdmi = {
+static const struct intel_limit intel_limits_g4x_hdmi = {
.dot = { .min = 22000, .max = 400000 },
.vco = { .min = 1750000, .max = 3500000},
.n = { .min = 1, .max = 4 },
@@ -349,7 +352,7 @@
.p2_slow = 10, .p2_fast = 5 },
};
-static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
+static const struct intel_limit intel_limits_g4x_single_channel_lvds = {
.dot = { .min = 20000, .max = 115000 },
.vco = { .min = 1750000, .max = 3500000 },
.n = { .min = 1, .max = 3 },
@@ -363,7 +366,7 @@
},
};
-static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
+static const struct intel_limit intel_limits_g4x_dual_channel_lvds = {
.dot = { .min = 80000, .max = 224000 },
.vco = { .min = 1750000, .max = 3500000 },
.n = { .min = 1, .max = 3 },
@@ -377,7 +380,7 @@
},
};
-static const intel_limit_t intel_limits_pineview_sdvo = {
+static const struct intel_limit intel_limits_pineview_sdvo = {
.dot = { .min = 20000, .max = 400000},
.vco = { .min = 1700000, .max = 3500000 },
/* Pineview's Ncounter is a ring counter */
@@ -392,7 +395,7 @@
.p2_slow = 10, .p2_fast = 5 },
};
-static const intel_limit_t intel_limits_pineview_lvds = {
+static const struct intel_limit intel_limits_pineview_lvds = {
.dot = { .min = 20000, .max = 400000 },
.vco = { .min = 1700000, .max = 3500000 },
.n = { .min = 3, .max = 6 },
@@ -410,7 +413,7 @@
* We calculate clock using (register_value + 2) for N/M1/M2, so here
* the range value for them is (actual_value - 2).
*/
-static const intel_limit_t intel_limits_ironlake_dac = {
+static const struct intel_limit intel_limits_ironlake_dac = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 1760000, .max = 3510000 },
.n = { .min = 1, .max = 5 },
@@ -423,7 +426,7 @@
.p2_slow = 10, .p2_fast = 5 },
};
-static const intel_limit_t intel_limits_ironlake_single_lvds = {
+static const struct intel_limit intel_limits_ironlake_single_lvds = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 1760000, .max = 3510000 },
.n = { .min = 1, .max = 3 },
@@ -436,7 +439,7 @@
.p2_slow = 14, .p2_fast = 14 },
};
-static const intel_limit_t intel_limits_ironlake_dual_lvds = {
+static const struct intel_limit intel_limits_ironlake_dual_lvds = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 1760000, .max = 3510000 },
.n = { .min = 1, .max = 3 },
@@ -450,7 +453,7 @@
};
/* LVDS 100mhz refclk limits. */
-static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
+static const struct intel_limit intel_limits_ironlake_single_lvds_100m = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 1760000, .max = 3510000 },
.n = { .min = 1, .max = 2 },
@@ -463,7 +466,7 @@
.p2_slow = 14, .p2_fast = 14 },
};
-static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
+static const struct intel_limit intel_limits_ironlake_dual_lvds_100m = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 1760000, .max = 3510000 },
.n = { .min = 1, .max = 3 },
@@ -476,7 +479,7 @@
.p2_slow = 7, .p2_fast = 7 },
};
-static const intel_limit_t intel_limits_vlv = {
+static const struct intel_limit intel_limits_vlv = {
/*
* These are the data rate limits (measured in fast clocks)
* since those are the strictest limits we have. The fast
@@ -492,7 +495,7 @@
.p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */
};
-static const intel_limit_t intel_limits_chv = {
+static const struct intel_limit intel_limits_chv = {
/*
* These are the data rate limits (measured in fast clocks)
* since those are the strictest limits we have. The fast
@@ -508,7 +511,7 @@
.p2 = { .p2_slow = 1, .p2_fast = 14 },
};
-static const intel_limit_t intel_limits_bxt = {
+static const struct intel_limit intel_limits_bxt = {
/* FIXME: find real dot limits */
.dot = { .min = 0, .max = INT_MAX },
.vco = { .min = 4800000, .max = 6700000 },
@@ -581,7 +584,7 @@
* divided-down version of it.
*/
/* m1 is reserved as 0 in Pineview, n is a ring counter */
-static int pnv_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int pnv_calc_dpll_params(int refclk, struct dpll *clock)
{
clock->m = clock->m2 + 2;
clock->p = clock->p1 * clock->p2;
@@ -598,7 +601,7 @@
return 5 * (dpll->m1 + 2) + (dpll->m2 + 2);
}
-static int i9xx_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int i9xx_calc_dpll_params(int refclk, struct dpll *clock)
{
clock->m = i9xx_dpll_compute_m(clock);
clock->p = clock->p1 * clock->p2;
@@ -610,7 +613,7 @@
return clock->dot;
}
-static int vlv_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int vlv_calc_dpll_params(int refclk, struct dpll *clock)
{
clock->m = clock->m1 * clock->m2;
clock->p = clock->p1 * clock->p2;
@@ -622,7 +625,7 @@
return clock->dot / 5;
}
-int chv_calc_dpll_params(int refclk, intel_clock_t *clock)
+int chv_calc_dpll_params(int refclk, struct dpll *clock)
{
clock->m = clock->m1 * clock->m2;
clock->p = clock->p1 * clock->p2;
@@ -642,8 +645,8 @@
*/
static bool intel_PLL_is_valid(struct drm_device *dev,
- const intel_limit_t *limit,
- const intel_clock_t *clock)
+ const struct intel_limit *limit,
+ const struct dpll *clock)
{
if (clock->n < limit->n.min || limit->n.max < clock->n)
INTELPllInvalid("n out of range\n");
@@ -678,7 +681,7 @@
}
static int
-i9xx_select_p2_div(const intel_limit_t *limit,
+i9xx_select_p2_div(const struct intel_limit *limit,
const struct intel_crtc_state *crtc_state,
int target)
{
@@ -713,13 +716,13 @@
* divider from @match_clock used for LVDS downclocking.
*/
static bool
-i9xx_find_best_dpll(const intel_limit_t *limit,
+i9xx_find_best_dpll(const struct intel_limit *limit,
struct intel_crtc_state *crtc_state,
- int target, int refclk, intel_clock_t *match_clock,
- intel_clock_t *best_clock)
+ int target, int refclk, struct dpll *match_clock,
+ struct dpll *best_clock)
{
struct drm_device *dev = crtc_state->base.crtc->dev;
- intel_clock_t clock;
+ struct dpll clock;
int err = target;
memset(best_clock, 0, sizeof(*best_clock));
@@ -770,13 +773,13 @@
* divider from @match_clock used for LVDS downclocking.
*/
static bool
-pnv_find_best_dpll(const intel_limit_t *limit,
+pnv_find_best_dpll(const struct intel_limit *limit,
struct intel_crtc_state *crtc_state,
- int target, int refclk, intel_clock_t *match_clock,
- intel_clock_t *best_clock)
+ int target, int refclk, struct dpll *match_clock,
+ struct dpll *best_clock)
{
struct drm_device *dev = crtc_state->base.crtc->dev;
- intel_clock_t clock;
+ struct dpll clock;
int err = target;
memset(best_clock, 0, sizeof(*best_clock));
@@ -825,13 +828,13 @@
* divider from @match_clock used for LVDS downclocking.
*/
static bool
-g4x_find_best_dpll(const intel_limit_t *limit,
+g4x_find_best_dpll(const struct intel_limit *limit,
struct intel_crtc_state *crtc_state,
- int target, int refclk, intel_clock_t *match_clock,
- intel_clock_t *best_clock)
+ int target, int refclk, struct dpll *match_clock,
+ struct dpll *best_clock)
{
struct drm_device *dev = crtc_state->base.crtc->dev;
- intel_clock_t clock;
+ struct dpll clock;
int max_n;
bool found = false;
/* approximately equals target * 0.00585 */
@@ -877,8 +880,8 @@
* best configuration and error found so far. Return the calculated error.
*/
static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq,
- const intel_clock_t *calculated_clock,
- const intel_clock_t *best_clock,
+ const struct dpll *calculated_clock,
+ const struct dpll *best_clock,
unsigned int best_error_ppm,
unsigned int *error_ppm)
{
@@ -918,14 +921,14 @@
* reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
*/
static bool
-vlv_find_best_dpll(const intel_limit_t *limit,
+vlv_find_best_dpll(const struct intel_limit *limit,
struct intel_crtc_state *crtc_state,
- int target, int refclk, intel_clock_t *match_clock,
- intel_clock_t *best_clock)
+ int target, int refclk, struct dpll *match_clock,
+ struct dpll *best_clock)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_device *dev = crtc->base.dev;
- intel_clock_t clock;
+ struct dpll clock;
unsigned int bestppm = 1000000;
/* min update 19.2 MHz */
int max_n = min(limit->n.max, refclk / 19200);
@@ -977,15 +980,15 @@
* reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
*/
static bool
-chv_find_best_dpll(const intel_limit_t *limit,
+chv_find_best_dpll(const struct intel_limit *limit,
struct intel_crtc_state *crtc_state,
- int target, int refclk, intel_clock_t *match_clock,
- intel_clock_t *best_clock)
+ int target, int refclk, struct dpll *match_clock,
+ struct dpll *best_clock)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_device *dev = crtc->base.dev;
unsigned int best_error_ppm;
- intel_clock_t clock;
+ struct dpll clock;
uint64_t m2;
int found = false;
@@ -1035,10 +1038,10 @@
}
bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
- intel_clock_t *best_clock)
+ struct dpll *best_clock)
{
int refclk = 100000;
- const intel_limit_t *limit = &intel_limits_bxt;
+ const struct intel_limit *limit = &intel_limits_bxt;
return chv_find_best_dpll(limit, crtc_state,
target_clock, refclk, NULL, best_clock);
@@ -1203,7 +1206,7 @@
u32 val;
/* ILK FDI PLL is always enabled */
- if (INTEL_INFO(dev_priv)->gen == 5)
+ if (IS_GEN5(dev_priv))
return;
/* On Haswell, DDI ports are responsible for the FDI PLL setup */
@@ -2309,7 +2312,7 @@
return ret;
}
-static void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation)
+void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation)
{
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
struct i915_ggtt_view view;
@@ -3110,17 +3113,12 @@
return -ENODEV;
}
-static void intel_complete_page_flips(struct drm_device *dev)
+static void intel_complete_page_flips(struct drm_i915_private *dev_priv)
{
- struct drm_crtc *crtc;
+ struct intel_crtc *crtc;
- for_each_crtc(dev, crtc) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- enum plane plane = intel_crtc->plane;
-
- intel_prepare_page_flip(dev, plane);
- intel_finish_page_flip_plane(dev, plane);
- }
+ for_each_intel_crtc(dev_priv->dev, crtc)
+ intel_finish_page_flip_cs(dev_priv, crtc->pipe);
}
static void intel_update_primary_planes(struct drm_device *dev)
@@ -3143,41 +3141,39 @@
}
}
-void intel_prepare_reset(struct drm_device *dev)
+void intel_prepare_reset(struct drm_i915_private *dev_priv)
{
/* no reset support for gen2 */
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
return;
/* reset doesn't touch the display */
- if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+ if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
return;
- drm_modeset_lock_all(dev);
+ drm_modeset_lock_all(dev_priv->dev);
/*
* Disabling the crtcs gracefully seems nicer. Also the
* g33 docs say we should at least disable all the planes.
*/
- intel_display_suspend(dev);
+ intel_display_suspend(dev_priv->dev);
}
-void intel_finish_reset(struct drm_device *dev)
+void intel_finish_reset(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
-
/*
* Flips in the rings will be nuked by the reset,
* so complete all pending flips so that user space
* will get its events and not get stuck.
*/
- intel_complete_page_flips(dev);
+ intel_complete_page_flips(dev_priv);
/* no reset support for gen2 */
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
return;
/* reset doesn't touch the display */
- if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) {
+ if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) {
/*
* Flips in the rings have been nuked by the reset,
* so update the base address of all primary
@@ -3187,7 +3183,7 @@
* FIXME: Atomic will make this obsolete since we won't schedule
* CS-based flips (which might get lost in gpu resets) any more.
*/
- intel_update_primary_planes(dev);
+ intel_update_primary_planes(dev_priv->dev);
return;
}
@@ -3198,18 +3194,18 @@
intel_runtime_pm_disable_interrupts(dev_priv);
intel_runtime_pm_enable_interrupts(dev_priv);
- intel_modeset_init_hw(dev);
+ intel_modeset_init_hw(dev_priv->dev);
spin_lock_irq(&dev_priv->irq_lock);
if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
- intel_display_resume(dev);
+ intel_display_resume(dev_priv->dev);
intel_hpd_init(dev_priv);
- drm_modeset_unlock_all(dev);
+ drm_modeset_unlock_all(dev_priv->dev);
}
static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
@@ -3224,7 +3220,7 @@
return false;
spin_lock_irq(&dev->event_lock);
- pending = to_intel_crtc(crtc)->unpin_work != NULL;
+ pending = to_intel_crtc(crtc)->flip_work != NULL;
spin_unlock_irq(&dev->event_lock);
return pending;
@@ -3803,7 +3799,7 @@
if (atomic_read(&crtc->unpin_work_count) == 0)
continue;
- if (crtc->unpin_work)
+ if (crtc->flip_work)
intel_wait_for_vblank(dev, crtc->pipe);
return true;
@@ -3815,11 +3811,9 @@
static void page_flip_completed(struct intel_crtc *intel_crtc)
{
struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
- struct intel_unpin_work *work = intel_crtc->unpin_work;
+ struct intel_flip_work *work = intel_crtc->flip_work;
- /* ensure that the unpin work is consistent wrt ->pending. */
- smp_rmb();
- intel_crtc->unpin_work = NULL;
+ intel_crtc->flip_work = NULL;
if (work->event)
drm_crtc_send_vblank_event(&intel_crtc->base, work->event);
@@ -3827,7 +3821,7 @@
drm_crtc_vblank_put(&intel_crtc->base);
wake_up_all(&dev_priv->pending_flip_queue);
- queue_work(dev_priv->wq, &work->work);
+ queue_work(dev_priv->wq, &work->unpin_work);
trace_i915_flip_complete(intel_crtc->plane,
work->pending_flip_obj);
@@ -3851,9 +3845,11 @@
if (ret == 0) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
spin_lock_irq(&dev->event_lock);
- if (intel_crtc->unpin_work) {
+ work = intel_crtc->flip_work;
+ if (work && !is_mmio_work(work)) {
WARN_ONCE(1, "Removing stuck page flip\n");
page_flip_completed(intel_crtc);
}
@@ -5328,32 +5324,33 @@
dev_priv->cdclk_freq);
/*
- * Program the gmbus_freq based on the cdclk frequency.
- * BSpec erroneously claims we should aim for 4MHz, but
- * in fact 1MHz is the correct frequency.
+ * 9:0 CMBUS [sic] CDCLK frequency (cdfreq):
+ * Programmng [sic] note: bit[9:2] should be programmed to the number
+ * of cdclk that generates 4MHz reference clock freq which is used to
+ * generate GMBus clock. This will vary with the cdclk freq.
*/
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
- /*
- * Program the gmbus_freq based on the cdclk frequency.
- * BSpec erroneously claims we should aim for 4MHz, but
- * in fact 1MHz is the correct frequency.
- */
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000));
- }
if (dev_priv->max_cdclk_freq == 0)
intel_update_max_cdclk(dev);
}
-static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int frequency)
+/* convert from kHz to .1 fixpoint MHz with -1MHz offset */
+static int skl_cdclk_decimal(int cdclk)
+{
+ return DIV_ROUND_CLOSEST(cdclk - 1000, 500);
+}
+
+static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
{
uint32_t divider;
uint32_t ratio;
- uint32_t current_freq;
+ uint32_t current_cdclk;
int ret;
/* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */
- switch (frequency) {
+ switch (cdclk) {
case 144000:
divider = BXT_CDCLK_CD2X_DIV_SEL_4;
ratio = BXT_DE_PLL_RATIO(60);
@@ -5383,7 +5380,7 @@
divider = 0;
break;
default:
- DRM_ERROR("unsupported CDCLK freq %d", frequency);
+ DRM_ERROR("unsupported CDCLK freq %d", cdclk);
return;
}
@@ -5396,13 +5393,13 @@
if (ret) {
DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n",
- ret, frequency);
+ ret, cdclk);
return;
}
- current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK;
+ current_cdclk = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK;
/* convert from .1 fixpoint MHz with -1MHz offset to kHz */
- current_freq = current_freq * 500 + 1000;
+ current_cdclk = current_cdclk * 500 + 1000;
/*
* DE PLL has to be disabled when
@@ -5410,8 +5407,8 @@
* - before setting to 624MHz (PLL needs toggling)
* - before setting to any frequency from 624MHz (PLL needs toggling)
*/
- if (frequency == 19200 || frequency == 624000 ||
- current_freq == 624000) {
+ if (cdclk == 19200 || cdclk == 624000 ||
+ current_cdclk == 624000) {
I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE);
/* Timeout 200us */
if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK),
@@ -5419,7 +5416,7 @@
DRM_ERROR("timout waiting for DE PLL unlock\n");
}
- if (frequency != 19200) {
+ if (cdclk != 19200) {
uint32_t val;
val = I915_READ(BXT_DE_PLL_CTL);
@@ -5432,31 +5429,29 @@
if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1))
DRM_ERROR("timeout waiting for DE PLL lock\n");
- val = I915_READ(CDCLK_CTL);
- val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK;
- val |= divider;
+ val = divider | skl_cdclk_decimal(cdclk);
+ /*
+ * FIXME if only the cd2x divider needs changing, it could be done
+ * without shutting off the pipe (if only one pipe is active).
+ */
+ val |= BXT_CDCLK_CD2X_PIPE_NONE;
/*
* Disable SSA Precharge when CD clock frequency < 500 MHz,
* enable otherwise.
*/
- val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE;
- if (frequency >= 500000)
+ if (cdclk >= 500000)
val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
-
- val &= ~CDCLK_FREQ_DECIMAL_MASK;
- /* convert from kHz to .1 fixpoint MHz with -1MHz offset */
- val |= (frequency - 1000) / 500;
I915_WRITE(CDCLK_CTL, val);
}
mutex_lock(&dev_priv->rps.hw_lock);
ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ,
- DIV_ROUND_UP(frequency, 25000));
+ DIV_ROUND_UP(cdclk, 25000));
mutex_unlock(&dev_priv->rps.hw_lock);
if (ret) {
DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n",
- ret, frequency);
+ ret, cdclk);
return;
}
@@ -5545,11 +5540,6 @@
{ .freq = 675000, .vco = 8100 },
};
-static unsigned int skl_cdclk_decimal(unsigned int freq)
-{
- return (freq - 1000) / 500;
-}
-
static unsigned int skl_cdclk_get_vco(unsigned int freq)
{
unsigned int i;
@@ -5565,23 +5555,18 @@
}
static void
-skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
+skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
{
- unsigned int min_freq;
+ int min_cdclk;
u32 val;
/* select the minimum CDCLK before enabling DPLL 0 */
- val = I915_READ(CDCLK_CTL);
- val &= ~CDCLK_FREQ_SEL_MASK | ~CDCLK_FREQ_DECIMAL_MASK;
- val |= CDCLK_FREQ_337_308;
-
- if (required_vco == 8640)
- min_freq = 308570;
+ if (vco == 8640)
+ min_cdclk = 308570;
else
- min_freq = 337500;
+ min_cdclk = 337500;
- val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_freq);
-
+ val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_cdclk);
I915_WRITE(CDCLK_CTL, val);
POSTING_READ(CDCLK_CTL);
@@ -5599,7 +5584,7 @@
val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) |
DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
- if (required_vco == 8640)
+ if (vco == 8640)
val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080,
SKL_DPLL0);
else
@@ -5615,6 +5600,14 @@
DRM_ERROR("DPLL0 not locked\n");
}
+static void
+skl_dpll0_disable(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE);
+ if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1))
+ DRM_ERROR("Couldn't disable DPLL0\n");
+}
+
static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv)
{
int ret;
@@ -5642,12 +5635,12 @@
return false;
}
-static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
+static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
{
struct drm_device *dev = dev_priv->dev;
u32 freq_select, pcu_ack;
- DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", freq);
+ DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", cdclk);
if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) {
DRM_ERROR("failed to inform PCU about cdclk change\n");
@@ -5655,7 +5648,7 @@
}
/* set CDCLK_CTL */
- switch(freq) {
+ switch (cdclk) {
case 450000:
case 432000:
freq_select = CDCLK_FREQ_450_432;
@@ -5678,7 +5671,7 @@
break;
}
- I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(freq));
+ I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(cdclk));
POSTING_READ(CDCLK_CTL);
/* inform PCU of the change */
@@ -5700,21 +5693,18 @@
if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE)
DRM_ERROR("DBuf power disable timeout\n");
- /* disable DPLL0 */
- I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE);
- if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1))
- DRM_ERROR("Couldn't disable DPLL0\n");
+ skl_dpll0_disable(dev_priv);
}
void skl_init_cdclk(struct drm_i915_private *dev_priv)
{
- unsigned int required_vco;
+ unsigned int vco;
/* DPLL0 not enabled (happens on early BIOS versions) */
if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) {
/* enable DPLL0 */
- required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
- skl_dpll0_enable(dev_priv, required_vco);
+ vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
+ skl_dpll0_enable(dev_priv, vco);
}
/* set CDCLK to the frequency the BIOS chose */
@@ -5906,21 +5896,19 @@
return 200000;
}
-static int broxton_calc_cdclk(struct drm_i915_private *dev_priv,
- int max_pixclk)
+static int broxton_calc_cdclk(int max_pixclk)
{
/*
* FIXME:
- * - remove the guardband, it's not needed on BXT
* - set 19.2MHz bypass frequency if there are no active pipes
*/
- if (max_pixclk > 576000*9/10)
+ if (max_pixclk > 576000)
return 624000;
- else if (max_pixclk > 384000*9/10)
+ else if (max_pixclk > 384000)
return 576000;
- else if (max_pixclk > 288000*9/10)
+ else if (max_pixclk > 288000)
return 384000;
- else if (max_pixclk > 144000*9/10)
+ else if (max_pixclk > 144000)
return 288000;
else
return 144000;
@@ -5963,9 +5951,6 @@
struct intel_atomic_state *intel_state =
to_intel_atomic_state(state);
- if (max_pixclk < 0)
- return max_pixclk;
-
intel_state->cdclk = intel_state->dev_cdclk =
valleyview_calc_cdclk(dev_priv, max_pixclk);
@@ -5977,20 +5962,15 @@
static int broxton_modeset_calc_cdclk(struct drm_atomic_state *state)
{
- struct drm_device *dev = state->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- int max_pixclk = intel_mode_max_pixclk(dev, state);
+ int max_pixclk = ilk_max_pixel_rate(state);
struct intel_atomic_state *intel_state =
to_intel_atomic_state(state);
- if (max_pixclk < 0)
- return max_pixclk;
-
intel_state->cdclk = intel_state->dev_cdclk =
- broxton_calc_cdclk(dev_priv, max_pixclk);
+ broxton_calc_cdclk(max_pixclk);
if (!intel_state->active_crtcs)
- intel_state->dev_cdclk = broxton_calc_cdclk(dev_priv, 0);
+ intel_state->dev_cdclk = broxton_calc_cdclk(0);
return 0;
}
@@ -6252,7 +6232,7 @@
return;
if (to_intel_plane_state(crtc->primary->state)->visible) {
- WARN_ON(intel_crtc->unpin_work);
+ WARN_ON(intel_crtc->flip_work);
intel_pre_disable_primary_noatomic(crtc);
@@ -7063,7 +7043,7 @@
static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state,
- intel_clock_t *reduced_clock)
+ struct dpll *reduced_clock)
{
struct drm_device *dev = crtc->base.dev;
u32 fp, fp2 = 0;
@@ -7487,7 +7467,7 @@
static void i9xx_compute_dpll(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state,
- intel_clock_t *reduced_clock)
+ struct dpll *reduced_clock)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -7563,7 +7543,7 @@
static void i8xx_compute_dpll(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state,
- intel_clock_t *reduced_clock)
+ struct dpll *reduced_clock)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -7817,7 +7797,7 @@
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 48000;
memset(&crtc_state->dpll_hw_state, 0,
@@ -7853,7 +7833,7 @@
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
@@ -7896,7 +7876,7 @@
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
@@ -7930,7 +7910,7 @@
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
@@ -7963,7 +7943,7 @@
struct intel_crtc_state *crtc_state)
{
int refclk = 100000;
- const intel_limit_t *limit = &intel_limits_chv;
+ const struct intel_limit *limit = &intel_limits_chv;
memset(&crtc_state->dpll_hw_state, 0,
sizeof(crtc_state->dpll_hw_state));
@@ -7984,7 +7964,7 @@
struct intel_crtc_state *crtc_state)
{
int refclk = 100000;
- const intel_limit_t *limit = &intel_limits_vlv;
+ const struct intel_limit *limit = &intel_limits_vlv;
memset(&crtc_state->dpll_hw_state, 0,
sizeof(crtc_state->dpll_hw_state));
@@ -8034,7 +8014,7 @@
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = pipe_config->cpu_transcoder;
- intel_clock_t clock;
+ struct dpll clock;
u32 mdiv;
int refclk = 100000;
@@ -8131,7 +8111,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = pipe_config->cpu_transcoder;
enum dpio_channel port = vlv_pipe_to_channel(pipe);
- intel_clock_t clock;
+ struct dpll clock;
u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3;
int refclk = 100000;
@@ -8794,7 +8774,7 @@
static void ironlake_compute_dpll(struct intel_crtc *intel_crtc,
struct intel_crtc_state *crtc_state,
- intel_clock_t *reduced_clock)
+ struct dpll *reduced_clock)
{
struct drm_crtc *crtc = &intel_crtc->base;
struct drm_device *dev = crtc->dev;
@@ -8902,10 +8882,10 @@
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- intel_clock_t reduced_clock;
+ struct dpll reduced_clock;
bool has_reduced_clock = false;
struct intel_shared_dpll *pll;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 120000;
memset(&crtc_state->dpll_hw_state, 0,
@@ -9300,6 +9280,10 @@
ironlake_get_fdi_m_n_config(crtc, pipe_config);
if (HAS_PCH_IBX(dev_priv)) {
+ /*
+ * The pipe->pch transcoder and pch transcoder->pll
+ * mapping is fixed.
+ */
pll_id = (enum intel_dpll_id) crtc->pipe;
} else {
tmp = I915_READ(PCH_DPLL_SEL);
@@ -9687,6 +9671,18 @@
cdclk, dev_priv->cdclk_freq);
}
+static int broadwell_calc_cdclk(int max_pixclk)
+{
+ if (max_pixclk > 540000)
+ return 675000;
+ else if (max_pixclk > 450000)
+ return 540000;
+ else if (max_pixclk > 337500)
+ return 450000;
+ else
+ return 337500;
+}
+
static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->dev);
@@ -9698,14 +9694,7 @@
* FIXME should also account for plane ratio
* once 64bpp pixel formats are supported.
*/
- if (max_pixclk > 540000)
- cdclk = 675000;
- else if (max_pixclk > 450000)
- cdclk = 540000;
- else if (max_pixclk > 337500)
- cdclk = 450000;
- else
- cdclk = 337500;
+ cdclk = broadwell_calc_cdclk(max_pixclk);
if (cdclk > dev_priv->max_cdclk_freq) {
DRM_DEBUG_KMS("requested cdclk (%d kHz) exceeds max (%d kHz)\n",
@@ -9715,7 +9704,7 @@
intel_state->cdclk = intel_state->dev_cdclk = cdclk;
if (!intel_state->active_crtcs)
- intel_state->dev_cdclk = 337500;
+ intel_state->dev_cdclk = broadwell_calc_cdclk(0);
return 0;
}
@@ -9850,6 +9839,10 @@
enum intel_display_power_domain power_domain;
u32 tmp;
+ /*
+ * The pipe->transcoder mapping is fixed with the exception of the eDP
+ * transcoder handled below.
+ */
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
/*
@@ -10317,10 +10310,10 @@
struct drm_i915_gem_object *obj;
struct drm_mode_fb_cmd2 mode_cmd = { 0 };
- obj = i915_gem_alloc_object(dev,
+ obj = i915_gem_object_create(dev,
intel_framebuffer_size_for_mode(mode, bpp));
- if (obj == NULL)
- return ERR_PTR(-ENOMEM);
+ if (IS_ERR(obj))
+ return ERR_CAST(obj);
mode_cmd.width = mode->hdisplay;
mode_cmd.height = mode->vdisplay;
@@ -10632,7 +10625,7 @@
int pipe = pipe_config->cpu_transcoder;
u32 dpll = pipe_config->dpll_hw_state.dpll;
u32 fp;
- intel_clock_t clock;
+ struct dpll clock;
int port_clock;
int refclk = i9xx_pll_refclk(dev, pipe_config);
@@ -10806,31 +10799,27 @@
return mode;
}
-void intel_mark_busy(struct drm_device *dev)
+void intel_mark_busy(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (dev_priv->mm.busy)
return;
intel_runtime_pm_get(dev_priv);
i915_update_gfx_val(dev_priv);
- if (INTEL_INFO(dev)->gen >= 6)
+ if (INTEL_GEN(dev_priv) >= 6)
gen6_rps_busy(dev_priv);
dev_priv->mm.busy = true;
}
-void intel_mark_idle(struct drm_device *dev)
+void intel_mark_idle(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (!dev_priv->mm.busy)
return;
dev_priv->mm.busy = false;
- if (INTEL_INFO(dev)->gen >= 6)
- gen6_rps_idle(dev->dev_private);
+ if (INTEL_GEN(dev_priv) >= 6)
+ gen6_rps_idle(dev_priv);
intel_runtime_pm_put(dev_priv);
}
@@ -10839,15 +10828,16 @@
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_device *dev = crtc->dev;
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
spin_lock_irq(&dev->event_lock);
- work = intel_crtc->unpin_work;
- intel_crtc->unpin_work = NULL;
+ work = intel_crtc->flip_work;
+ intel_crtc->flip_work = NULL;
spin_unlock_irq(&dev->event_lock);
if (work) {
- cancel_work_sync(&work->work);
+ cancel_work_sync(&work->mmio_work);
+ cancel_work_sync(&work->unpin_work);
kfree(work);
}
@@ -10858,12 +10848,15 @@
static void intel_unpin_work_fn(struct work_struct *__work)
{
- struct intel_unpin_work *work =
- container_of(__work, struct intel_unpin_work, work);
+ struct intel_flip_work *work =
+ container_of(__work, struct intel_flip_work, unpin_work);
struct intel_crtc *crtc = to_intel_crtc(work->crtc);
struct drm_device *dev = crtc->base.dev;
struct drm_plane *primary = crtc->base.primary;
+ if (is_mmio_work(work))
+ flush_work(&work->mmio_work);
+
mutex_lock(&dev->struct_mutex);
intel_unpin_fb_obj(work->old_fb, primary->state->rotation);
drm_gem_object_unreference(&work->pending_flip_obj->base);
@@ -10882,60 +10875,14 @@
kfree(work);
}
-static void do_intel_finish_page_flip(struct drm_device *dev,
- struct drm_crtc *crtc)
-{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work;
- unsigned long flags;
-
- /* Ignore early vblank irqs */
- if (intel_crtc == NULL)
- return;
-
- /*
- * This is called both by irq handlers and the reset code (to complete
- * lost pageflips) so needs the full irqsave spinlocks.
- */
- spin_lock_irqsave(&dev->event_lock, flags);
- work = intel_crtc->unpin_work;
-
- /* Ensure we don't miss a work->pending update ... */
- smp_rmb();
-
- if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
- spin_unlock_irqrestore(&dev->event_lock, flags);
- return;
- }
-
- page_flip_completed(intel_crtc);
-
- spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
-void intel_finish_page_flip(struct drm_device *dev, int pipe)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
-
- do_intel_finish_page_flip(dev, crtc);
-}
-
-void intel_finish_page_flip_plane(struct drm_device *dev, int plane)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane];
-
- do_intel_finish_page_flip(dev, crtc);
-}
-
/* Is 'a' after or equal to 'b'? */
static bool g4x_flip_count_after_eq(u32 a, u32 b)
{
return !((a - b) & 0x80000000);
}
-static bool page_flip_finished(struct intel_crtc *crtc)
+static bool __pageflip_finished_cs(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -10977,40 +10924,103 @@
* anyway, we don't really care.
*/
return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) ==
- crtc->unpin_work->gtt_offset &&
+ crtc->flip_work->gtt_offset &&
g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)),
- crtc->unpin_work->flip_count);
+ crtc->flip_work->flip_count);
}
-void intel_prepare_page_flip(struct drm_device *dev, int plane)
+static bool
+__pageflip_finished_mmio(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]);
+ /*
+ * MMIO work completes when vblank is different from
+ * flip_queued_vblank.
+ *
+ * Reset counter value doesn't matter, this is handled by
+ * i915_wait_request finishing early, so no need to handle
+ * reset here.
+ */
+ return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank;
+}
+
+
+static bool pageflip_finished(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
+{
+ if (!atomic_read(&work->pending))
+ return false;
+
+ smp_rmb();
+
+ if (is_mmio_work(work))
+ return __pageflip_finished_mmio(crtc, work);
+ else
+ return __pageflip_finished_cs(crtc, work);
+}
+
+void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
unsigned long flags;
+ /* Ignore early vblank irqs */
+ if (!crtc)
+ return;
/*
* This is called both by irq handlers and the reset code (to complete
* lost pageflips) so needs the full irqsave spinlocks.
- *
- * NB: An MMIO update of the plane base pointer will also
- * generate a page-flip completion irq, i.e. every modeset
- * is also accompanied by a spurious intel_prepare_page_flip().
*/
spin_lock_irqsave(&dev->event_lock, flags);
- if (intel_crtc->unpin_work && page_flip_finished(intel_crtc))
- atomic_inc_not_zero(&intel_crtc->unpin_work->pending);
+ work = intel_crtc->flip_work;
+
+ if (work != NULL &&
+ !is_mmio_work(work) &&
+ pageflip_finished(intel_crtc, work))
+ page_flip_completed(intel_crtc);
+
spin_unlock_irqrestore(&dev->event_lock, flags);
}
-static inline void intel_mark_page_flip_active(struct intel_unpin_work *work)
+void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
{
+ struct drm_device *dev = dev_priv->dev;
+ struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_flip_work *work;
+ unsigned long flags;
+
+ /* Ignore early vblank irqs */
+ if (!crtc)
+ return;
+
+ /*
+ * This is called both by irq handlers and the reset code (to complete
+ * lost pageflips) so needs the full irqsave spinlocks.
+ */
+ spin_lock_irqsave(&dev->event_lock, flags);
+ work = intel_crtc->flip_work;
+
+ if (work != NULL &&
+ is_mmio_work(work) &&
+ pageflip_finished(intel_crtc, work))
+ page_flip_completed(intel_crtc);
+
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+}
+
+static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
+ struct intel_flip_work *work)
+{
+ work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc);
+
/* Ensure that the work item is consistent when activating it ... */
- smp_wmb();
- atomic_set(&work->pending, INTEL_FLIP_PENDING);
- /* and that it is marked active as soon as the irq could fire. */
- smp_wmb();
+ smp_mb__before_atomic();
+ atomic_set(&work->pending, 1);
}
static int intel_gen2_queue_flip(struct drm_device *dev,
@@ -11041,10 +11051,9 @@
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, 0); /* aux display base address, unused */
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
@@ -11073,10 +11082,9 @@
intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, MI_NOOP);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
@@ -11104,7 +11112,7 @@
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0]);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset |
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset |
obj->tiling_mode);
/* XXX Enabling the panel-fitter across page-flip is so far
@@ -11115,7 +11123,6 @@
pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
intel_ring_emit(engine, pf | pipesrc);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
@@ -11139,7 +11146,7 @@
intel_ring_emit(engine, MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
intel_ring_emit(engine, fb->pitches[0] | obj->tiling_mode);
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
/* Contrary to the suggestions in the documentation,
* "Enable Panel Fitter" does not seem to be required when page
@@ -11151,7 +11158,6 @@
pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
intel_ring_emit(engine, pf | pipesrc);
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
@@ -11243,10 +11249,9 @@
intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | plane_bit);
intel_ring_emit(engine, (fb->pitches[0] | obj->tiling_mode));
- intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+ intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
intel_ring_emit(engine, (MI_NOOP));
- intel_mark_page_flip_active(intel_crtc->unpin_work);
return 0;
}
@@ -11264,7 +11269,7 @@
if (engine == NULL)
return true;
- if (INTEL_INFO(engine->dev)->gen < 5)
+ if (INTEL_GEN(engine->i915) < 5)
return false;
if (i915.use_mmio_flip < 0)
@@ -11283,7 +11288,7 @@
static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
unsigned int rotation,
- struct intel_unpin_work *work)
+ struct intel_flip_work *work)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -11335,7 +11340,7 @@
}
static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc,
- struct intel_unpin_work *work)
+ struct intel_flip_work *work)
{
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -11358,48 +11363,20 @@
POSTING_READ(DSPSURF(intel_crtc->plane));
}
-/*
- * XXX: This is the temporary way to update the plane registers until we get
- * around to using the usual plane update functions for MMIO flips
- */
-static void intel_do_mmio_flip(struct intel_mmio_flip *mmio_flip)
+static void intel_mmio_flip_work_func(struct work_struct *w)
{
- struct intel_crtc *crtc = mmio_flip->crtc;
- struct intel_unpin_work *work;
-
- spin_lock_irq(&crtc->base.dev->event_lock);
- work = crtc->unpin_work;
- spin_unlock_irq(&crtc->base.dev->event_lock);
- if (work == NULL)
- return;
-
- intel_mark_page_flip_active(work);
-
- intel_pipe_update_start(crtc);
-
- if (INTEL_INFO(mmio_flip->i915)->gen >= 9)
- skl_do_mmio_flip(crtc, mmio_flip->rotation, work);
- else
- /* use_mmio_flip() retricts MMIO flips to ilk+ */
- ilk_do_mmio_flip(crtc, work);
-
- intel_pipe_update_end(crtc);
-}
-
-static void intel_mmio_flip_work_func(struct work_struct *work)
-{
- struct intel_mmio_flip *mmio_flip =
- container_of(work, struct intel_mmio_flip, work);
+ struct intel_flip_work *work =
+ container_of(w, struct intel_flip_work, mmio_work);
+ struct intel_crtc *crtc = to_intel_crtc(work->crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_framebuffer *intel_fb =
- to_intel_framebuffer(mmio_flip->crtc->base.primary->fb);
+ to_intel_framebuffer(crtc->base.primary->fb);
struct drm_i915_gem_object *obj = intel_fb->obj;
- if (mmio_flip->req) {
- WARN_ON(__i915_wait_request(mmio_flip->req,
+ if (work->flip_queued_req)
+ WARN_ON(__i915_wait_request(work->flip_queued_req,
false, NULL,
- &mmio_flip->i915->rps.mmioflips));
- i915_gem_request_unreference__unlocked(mmio_flip->req);
- }
+ &dev_priv->rps.mmioflips));
/* For framebuffer backed by dmabuf, wait for fence */
if (obj->base.dma_buf)
@@ -11407,29 +11384,15 @@
false, false,
MAX_SCHEDULE_TIMEOUT) < 0);
- intel_do_mmio_flip(mmio_flip);
- kfree(mmio_flip);
-}
+ intel_pipe_update_start(crtc);
-static int intel_queue_mmio_flip(struct drm_device *dev,
- struct drm_crtc *crtc,
- struct drm_i915_gem_object *obj)
-{
- struct intel_mmio_flip *mmio_flip;
+ if (INTEL_GEN(dev_priv) >= 9)
+ skl_do_mmio_flip(crtc, work->rotation, work);
+ else
+ /* use_mmio_flip() retricts MMIO flips to ilk+ */
+ ilk_do_mmio_flip(crtc, work);
- mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL);
- if (mmio_flip == NULL)
- return -ENOMEM;
-
- mmio_flip->i915 = to_i915(dev);
- mmio_flip->req = i915_gem_request_reference(obj->last_write_req);
- mmio_flip->crtc = to_intel_crtc(crtc);
- mmio_flip->rotation = crtc->primary->state->rotation;
-
- INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func);
- schedule_work(&mmio_flip->work);
-
- return 0;
+ intel_pipe_update_end(crtc, work);
}
static int intel_default_queue_flip(struct drm_device *dev,
@@ -11442,37 +11405,32 @@
return -ENODEV;
}
-static bool __intel_pageflip_stall_check(struct drm_device *dev,
- struct drm_crtc *crtc)
+static bool __pageflip_stall_check_cs(struct drm_i915_private *dev_priv,
+ struct intel_crtc *intel_crtc,
+ struct intel_flip_work *work)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work = intel_crtc->unpin_work;
- u32 addr;
+ u32 addr, vblank;
- if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE)
- return true;
-
- if (atomic_read(&work->pending) < INTEL_FLIP_PENDING)
+ if (!atomic_read(&work->pending))
return false;
- if (!work->enable_stall_check)
- return false;
+ smp_rmb();
+ vblank = intel_crtc_get_vblank_counter(intel_crtc);
if (work->flip_ready_vblank == 0) {
if (work->flip_queued_req &&
!i915_gem_request_completed(work->flip_queued_req, true))
return false;
- work->flip_ready_vblank = drm_crtc_vblank_count(crtc);
+ work->flip_ready_vblank = vblank;
}
- if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3)
+ if (vblank - work->flip_ready_vblank < 3)
return false;
/* Potential stall - if we see that the flip has happened,
* assume a missed interrupt. */
- if (INTEL_INFO(dev)->gen >= 4)
+ if (INTEL_GEN(dev_priv) >= 4)
addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane)));
else
addr = I915_READ(DSPADDR(intel_crtc->plane));
@@ -11484,12 +11442,12 @@
return addr == work->gtt_offset;
}
-void intel_check_page_flip(struct drm_device *dev, int pipe)
+void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_device *dev = dev_priv->dev;
struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
WARN_ON(!in_interrupt());
@@ -11497,16 +11455,20 @@
return;
spin_lock(&dev->event_lock);
- work = intel_crtc->unpin_work;
- if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) {
- WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n",
- work->flip_queued_vblank, drm_vblank_count(dev, pipe));
+ work = intel_crtc->flip_work;
+
+ if (work != NULL && !is_mmio_work(work) &&
+ __pageflip_stall_check_cs(dev_priv, intel_crtc, work)) {
+ WARN_ONCE(1,
+ "Kicking stuck page flip: queued at %d, now %d\n",
+ work->flip_queued_vblank, intel_crtc_get_vblank_counter(intel_crtc));
page_flip_completed(intel_crtc);
work = NULL;
}
- if (work != NULL &&
- drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1)
- intel_queue_rps_boost_for_request(dev, work->flip_queued_req);
+
+ if (work != NULL && !is_mmio_work(work) &&
+ intel_crtc_get_vblank_counter(intel_crtc) - work->flip_queued_vblank > 1)
+ intel_queue_rps_boost_for_request(work->flip_queued_req);
spin_unlock(&dev->event_lock);
}
@@ -11522,7 +11484,7 @@
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct drm_plane *primary = crtc->primary;
enum pipe pipe = intel_crtc->pipe;
- struct intel_unpin_work *work;
+ struct intel_flip_work *work;
struct intel_engine_cs *engine;
bool mmio_flip;
struct drm_i915_gem_request *request = NULL;
@@ -11559,19 +11521,19 @@
work->event = event;
work->crtc = crtc;
work->old_fb = old_fb;
- INIT_WORK(&work->work, intel_unpin_work_fn);
+ INIT_WORK(&work->unpin_work, intel_unpin_work_fn);
ret = drm_crtc_vblank_get(crtc);
if (ret)
goto free_work;
- /* We borrow the event spin lock for protecting unpin_work */
+ /* We borrow the event spin lock for protecting flip_work */
spin_lock_irq(&dev->event_lock);
- if (intel_crtc->unpin_work) {
+ if (intel_crtc->flip_work) {
/* Before declaring the flip queue wedged, check if
* the hardware completed the operation behind our backs.
*/
- if (__intel_pageflip_stall_check(dev, crtc)) {
+ if (pageflip_finished(intel_crtc, intel_crtc->flip_work)) {
DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n");
page_flip_completed(intel_crtc);
} else {
@@ -11583,7 +11545,7 @@
return -EBUSY;
}
}
- intel_crtc->unpin_work = work;
+ intel_crtc->flip_work = work;
spin_unlock_irq(&dev->event_lock);
if (atomic_read(&intel_crtc->unpin_work_count) >= 2)
@@ -11638,6 +11600,11 @@
*/
if (!mmio_flip) {
ret = i915_gem_object_sync(obj, engine, &request);
+ if (!ret && !request) {
+ request = i915_gem_request_alloc(engine, NULL);
+ ret = PTR_ERR_OR_ZERO(request);
+ }
+
if (ret)
goto cleanup_pending;
}
@@ -11649,38 +11616,28 @@
work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary),
obj, 0);
work->gtt_offset += intel_crtc->dspaddr_offset;
+ work->rotation = crtc->primary->state->rotation;
if (mmio_flip) {
- ret = intel_queue_mmio_flip(dev, crtc, obj);
- if (ret)
- goto cleanup_unpin;
+ INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func);
i915_gem_request_assign(&work->flip_queued_req,
obj->last_write_req);
- } else {
- if (!request) {
- request = i915_gem_request_alloc(engine, NULL);
- if (IS_ERR(request)) {
- ret = PTR_ERR(request);
- goto cleanup_unpin;
- }
- }
+ schedule_work(&work->mmio_work);
+ } else {
+ i915_gem_request_assign(&work->flip_queued_req, request);
ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request,
page_flip_flags);
if (ret)
goto cleanup_unpin;
- i915_gem_request_assign(&work->flip_queued_req, request);
+ intel_mark_page_flip_active(intel_crtc, work);
+
+ i915_add_request_no_flush(request);
}
- if (request)
- i915_add_request_no_flush(request);
-
- work->flip_queued_vblank = drm_crtc_vblank_count(crtc);
- work->enable_stall_check = true;
-
- i915_gem_track_fb(intel_fb_obj(work->old_fb), obj,
+ i915_gem_track_fb(intel_fb_obj(old_fb), obj,
to_intel_plane(primary)->frontbuffer_bit);
mutex_unlock(&dev->struct_mutex);
@@ -11706,7 +11663,7 @@
drm_framebuffer_unreference(work->old_fb);
spin_lock_irq(&dev->event_lock);
- intel_crtc->unpin_work = NULL;
+ intel_crtc->flip_work = NULL;
spin_unlock_irq(&dev->event_lock);
drm_crtc_vblank_put(crtc);
@@ -11834,6 +11791,11 @@
* Visibility is calculated as if the crtc was on, but
* after scaler setup everything depends on it being off
* when the crtc isn't active.
+ *
+ * FIXME this is wrong for watermarks. Watermarks should also
+ * be computed as if the pipe would be active. Perhaps move
+ * per-plane wm computation to the .check_plane() hook, and
+ * only combine the results from all planes in the current place?
*/
if (!is_crtc_enabled)
to_intel_plane_state(plane_state)->visible = visible = false;
@@ -12007,7 +11969,7 @@
}
} else if (dev_priv->display.compute_intermediate_wm) {
if (HAS_PCH_SPLIT(dev_priv) && INTEL_GEN(dev_priv) < 9)
- pipe_config->wm.intermediate = pipe_config->wm.optimal.ilk;
+ pipe_config->wm.ilk.intermediate = pipe_config->wm.ilk.optimal;
}
if (INTEL_INFO(dev)->gen >= 9) {
@@ -13280,6 +13242,9 @@
intel_state->active_crtcs |= 1 << i;
else
intel_state->active_crtcs &= ~(1 << i);
+
+ if (crtc_state->active != crtc->state->active)
+ intel_state->active_pipe_changes |= drm_crtc_mask(crtc);
}
/*
@@ -13316,38 +13281,16 @@
* phase. The code here should be run after the per-crtc and per-plane 'check'
* handlers to ensure that all derived state has been updated.
*/
-static void calc_watermark_data(struct drm_atomic_state *state)
+static int calc_watermark_data(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
- struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
- struct drm_crtc *crtc;
- struct drm_crtc_state *cstate;
- struct drm_plane *plane;
- struct drm_plane_state *pstate;
+ struct drm_i915_private *dev_priv = to_i915(dev);
- /*
- * Calculate watermark configuration details now that derived
- * plane/crtc state is all properly updated.
- */
- drm_for_each_crtc(crtc, dev) {
- cstate = drm_atomic_get_existing_crtc_state(state, crtc) ?:
- crtc->state;
+ /* Is there platform-specific watermark information to calculate? */
+ if (dev_priv->display.compute_global_watermarks)
+ return dev_priv->display.compute_global_watermarks(state);
- if (cstate->active)
- intel_state->wm_config.num_pipes_active++;
- }
- drm_for_each_legacy_plane(plane, dev) {
- pstate = drm_atomic_get_existing_plane_state(state, plane) ?:
- plane->state;
-
- if (!to_intel_plane_state(pstate)->visible)
- continue;
-
- intel_state->wm_config.sprites_enabled = true;
- if (pstate->crtc_w != pstate->src_w >> 16 ||
- pstate->crtc_h != pstate->src_h >> 16)
- intel_state->wm_config.sprites_scaled = true;
- }
+ return 0;
}
/**
@@ -13377,15 +13320,14 @@
if (crtc_state->mode.private_flags != crtc->state->mode.private_flags)
crtc_state->mode_changed = true;
- if (!crtc_state->enable) {
- if (needs_modeset(crtc_state))
- any_ms = true;
- continue;
- }
-
if (!needs_modeset(crtc_state))
continue;
+ if (!crtc_state->enable) {
+ any_ms = true;
+ continue;
+ }
+
/* FIXME: For only active_changed we shouldn't need to do any
* state recomputation at all. */
@@ -13394,8 +13336,11 @@
return ret;
ret = intel_modeset_pipe_config(crtc, pipe_config);
- if (ret)
+ if (ret) {
+ intel_dump_pipe_config(to_intel_crtc(crtc),
+ pipe_config, "[failed]");
return ret;
+ }
if (i915.fastboot &&
intel_pipe_config_compare(dev,
@@ -13405,13 +13350,12 @@
to_intel_crtc_state(crtc_state)->update_pipe = true;
}
- if (needs_modeset(crtc_state)) {
+ if (needs_modeset(crtc_state))
any_ms = true;
- ret = drm_atomic_add_affected_planes(state, crtc);
- if (ret)
- return ret;
- }
+ ret = drm_atomic_add_affected_planes(state, crtc);
+ if (ret)
+ return ret;
intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
needs_modeset(crtc_state) ?
@@ -13431,9 +13375,7 @@
return ret;
intel_fbc_choose_crtc(dev_priv, state);
- calc_watermark_data(state);
-
- return 0;
+ return calc_watermark_data(state);
}
static int intel_atomic_prepare_commit(struct drm_device *dev,
@@ -13495,6 +13437,16 @@
return ret;
}
+u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
+{
+ struct drm_device *dev = crtc->base.dev;
+
+ if (!dev->max_vblank_count)
+ return drm_accurate_vblank_count(&crtc->base);
+
+ return dev->driver->get_vblank_counter(dev, crtc->pipe);
+}
+
static void intel_atomic_wait_for_vblanks(struct drm_device *dev,
struct drm_i915_private *dev_priv,
unsigned crtc_mask)
@@ -13597,7 +13549,8 @@
}
drm_atomic_helper_swap_state(dev, state);
- dev_priv->wm.config = intel_state->wm_config;
+ dev_priv->wm.distrust_bios_wm = false;
+ dev_priv->wm.skl_results = intel_state->wm_results;
intel_shared_dpll_commit(state);
if (intel_state->modeset) {
@@ -14006,7 +13959,7 @@
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- intel_pipe_update_end(intel_crtc);
+ intel_pipe_update_end(intel_crtc, NULL);
}
/**
@@ -15050,12 +15003,13 @@
dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train;
} else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
dev_priv->display.fdi_link_train = hsw_fdi_link_train;
- if (IS_BROADWELL(dev_priv)) {
- dev_priv->display.modeset_commit_cdclk =
- broadwell_modeset_commit_cdclk;
- dev_priv->display.modeset_calc_cdclk =
- broadwell_modeset_calc_cdclk;
- }
+ }
+
+ if (IS_BROADWELL(dev_priv)) {
+ dev_priv->display.modeset_commit_cdclk =
+ broadwell_modeset_commit_cdclk;
+ dev_priv->display.modeset_calc_cdclk =
+ broadwell_modeset_calc_cdclk;
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
dev_priv->display.modeset_commit_cdclk =
valleyview_modeset_commit_cdclk;
@@ -15293,7 +15247,7 @@
dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq;
intel_init_clock_gating(dev);
- intel_enable_gt_powersave(dev);
+ intel_enable_gt_powersave(dev_priv);
}
/*
@@ -15363,7 +15317,6 @@
}
/* Write calculated watermark values back */
- to_i915(dev)->wm.config = to_intel_atomic_state(state)->wm_config;
for_each_crtc_in_state(state, crtc, cstate, i) {
struct intel_crtc_state *cs = to_intel_crtc_state(cstate);
@@ -15461,7 +15414,6 @@
}
intel_update_czclk(dev_priv);
- intel_update_rawclk(dev_priv);
intel_update_cdclk(dev);
intel_shared_dpll_init(dev);
@@ -16025,15 +15977,16 @@
void intel_modeset_gem_init(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *c;
struct drm_i915_gem_object *obj;
int ret;
- intel_init_gt_powersave(dev);
+ intel_init_gt_powersave(dev_priv);
intel_modeset_init_hw(dev);
- intel_setup_overlay(dev);
+ intel_setup_overlay(dev_priv);
/*
* Make sure any fbs we allocated at startup are properly
@@ -16076,7 +16029,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_connector *connector;
- intel_disable_gt_powersave(dev);
+ intel_disable_gt_powersave(dev_priv);
intel_backlight_unregister(dev);
@@ -16106,9 +16059,9 @@
drm_mode_config_cleanup(dev);
- intel_cleanup_overlay(dev);
+ intel_cleanup_overlay(dev_priv);
- intel_cleanup_gt_powersave(dev);
+ intel_cleanup_gt_powersave(dev_priv);
intel_teardown_gmbus(dev);
}
@@ -16204,9 +16157,8 @@
};
struct intel_display_error_state *
-intel_display_capture_error_state(struct drm_device *dev)
+intel_display_capture_error_state(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_display_error_state *error;
int transcoders[] = {
TRANSCODER_A,
@@ -16216,14 +16168,14 @@
};
int i;
- if (INTEL_INFO(dev)->num_pipes == 0)
+ if (INTEL_INFO(dev_priv)->num_pipes == 0)
return NULL;
error = kzalloc(sizeof(*error), GFP_ATOMIC);
if (error == NULL)
return NULL;
- if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
for_each_pipe(dev_priv, i) {
@@ -16239,25 +16191,25 @@
error->plane[i].control = I915_READ(DSPCNTR(i));
error->plane[i].stride = I915_READ(DSPSTRIDE(i));
- if (INTEL_INFO(dev)->gen <= 3) {
+ if (INTEL_GEN(dev_priv) <= 3) {
error->plane[i].size = I915_READ(DSPSIZE(i));
error->plane[i].pos = I915_READ(DSPPOS(i));
}
- if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev))
+ if (INTEL_GEN(dev_priv) <= 7 && !IS_HASWELL(dev_priv))
error->plane[i].addr = I915_READ(DSPADDR(i));
- if (INTEL_INFO(dev)->gen >= 4) {
+ if (INTEL_GEN(dev_priv) >= 4) {
error->plane[i].surface = I915_READ(DSPSURF(i));
error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i));
}
error->pipe[i].source = I915_READ(PIPESRC(i));
- if (HAS_GMCH_DISPLAY(dev))
+ if (HAS_GMCH_DISPLAY(dev_priv))
error->pipe[i].stat = I915_READ(PIPESTAT(i));
}
/* Note: this does not include DSI transcoders. */
- error->num_transcoders = INTEL_INFO(dev)->num_pipes;
+ error->num_transcoders = INTEL_INFO(dev_priv)->num_pipes;
if (HAS_DDI(dev_priv))
error->num_transcoders++; /* Account for eDP. */
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index f192f58..cccf9bc 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -131,11 +131,6 @@
enum pipe pipe);
static void intel_dp_unset_edid(struct intel_dp *intel_dp);
-static unsigned int intel_dp_unused_lane_mask(int lane_count)
-{
- return ~((1 << lane_count) - 1) & 0xf;
-}
-
static int
intel_dp_max_link_bw(struct intel_dp *intel_dp)
{
@@ -775,6 +770,7 @@
DP_AUX_CH_CTL_TIME_OUT_1600us |
DP_AUX_CH_CTL_RECEIVE_ERROR |
(send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
+ DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |
DP_AUX_CH_CTL_SYNC_PULSE_SKL(32);
}
@@ -2460,50 +2456,6 @@
intel_dp_link_down(intel_dp);
}
-static void chv_data_lane_soft_reset(struct intel_encoder *encoder,
- bool reset)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
- struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
- enum pipe pipe = crtc->pipe;
- uint32_t val;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val);
- }
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val);
- }
-}
-
static void chv_post_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
@@ -2811,266 +2763,38 @@
static void vlv_pre_enable_dp(struct intel_encoder *encoder)
{
- struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- u32 val;
-
- mutex_lock(&dev_priv->sb_lock);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
- val = 0;
- if (pipe)
- val |= (1<<21);
- else
- val &= ~(1<<21);
- val |= 0x001000c4;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
-
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_phy_pre_encoder_enable(encoder);
intel_enable_dp(encoder);
}
static void vlv_dp_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
-
intel_dp_prepare(encoder);
- /* Program Tx lane resets to default */
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
- DPIO_PCS_TX_LANE2_RESET |
- DPIO_PCS_TX_LANE1_RESET);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
- DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
- DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
- (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
- DPIO_PCS_CLK_SOFT_RESET);
-
- /* Fix up inter-pair skew failure */
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_phy_pre_pll_enable(encoder);
}
static void chv_pre_enable_dp(struct intel_encoder *encoder)
{
- struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- int data, i, stagger;
- u32 val;
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* allow hardware to manage TX FIFO reset source */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
- }
-
- /* Program Tx lane latency optimal setting*/
- for (i = 0; i < intel_crtc->config->lane_count; i++) {
- /* Set the upar bit */
- if (intel_crtc->config->lane_count == 1)
- data = 0x0;
- else
- data = (i == 1) ? 0x0 : 0x1;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i),
- data << DPIO_UPAR_SHIFT);
- }
-
- /* Data lane stagger programming */
- if (intel_crtc->config->port_clock > 270000)
- stagger = 0x18;
- else if (intel_crtc->config->port_clock > 135000)
- stagger = 0xd;
- else if (intel_crtc->config->port_clock > 67500)
- stagger = 0x7;
- else if (intel_crtc->config->port_clock > 33750)
- stagger = 0x4;
- else
- stagger = 0x2;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
- }
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(6) |
- DPIO_TX2_STAGGER_MULT(0));
-
- if (intel_crtc->config->lane_count > 2) {
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(7) |
- DPIO_TX2_STAGGER_MULT(5));
- }
-
- /* Deassert data lane reset */
- chv_data_lane_soft_reset(encoder, false);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_phy_pre_encoder_enable(encoder);
intel_enable_dp(encoder);
/* Second common lane will stay alive on its own now */
- if (dport->release_cl2_override) {
- chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, false);
- dport->release_cl2_override = false;
- }
+ chv_phy_release_cl2_override(encoder);
}
static void chv_dp_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- enum pipe pipe = intel_crtc->pipe;
- unsigned int lane_mask =
- intel_dp_unused_lane_mask(intel_crtc->config->lane_count);
- u32 val;
-
intel_dp_prepare(encoder);
- /*
- * Must trick the second common lane into life.
- * Otherwise we can't even access the PLL.
- */
- if (ch == DPIO_CH0 && pipe == PIPE_B)
- dport->release_cl2_override =
- !chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, true);
-
- chv_phy_powergate_lanes(encoder, true, lane_mask);
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* Assert data lane reset */
- chv_data_lane_soft_reset(encoder, true);
-
- /* program left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA1_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA1_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA2_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA2_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- /* program clock channel usage */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW8(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW8(ch), val);
- }
-
- /*
- * This a a bit weird since generally CL
- * matches the pipe, but here we need to
- * pick the CL based on the port.
- */
- val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW19(ch));
- if (pipe != PIPE_B)
- val &= ~CHV_CMN_USEDCLKCHANNEL;
- else
- val |= CHV_CMN_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW19(ch), val);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_phy_pre_pll_enable(encoder);
}
static void chv_dp_post_pll_disable(struct intel_encoder *encoder)
{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum pipe pipe = to_intel_crtc(encoder->base.crtc)->pipe;
- u32 val;
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* disable left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- mutex_unlock(&dev_priv->sb_lock);
-
- /*
- * Leave the power down bit cleared for at least one
- * lane so that chv_powergate_phy_ch() will power
- * on something when the channel is otherwise unused.
- * When the port is off and the override is removed
- * the lanes power down anyway, so otherwise it doesn't
- * really matter what the state of power down bits is
- * after this.
- */
- chv_phy_powergate_lanes(encoder, false, 0x0);
+ chv_phy_post_pll_disable(encoder);
}
/*
@@ -3178,16 +2902,10 @@
static uint32_t vlv_signal_levels(struct intel_dp *intel_dp)
{
- struct drm_device *dev = intel_dp_to_dev(intel_dp);
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct intel_crtc *intel_crtc =
- to_intel_crtc(dport->base.base.crtc);
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
unsigned long demph_reg_value, preemph_reg_value,
uniqtranscale_reg_value;
uint8_t train_set = intel_dp->train_set[0];
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
switch (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) {
case DP_TRAIN_PRE_EMPH_LEVEL_0:
@@ -3262,37 +2980,18 @@
return 0;
}
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0x00000000);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), demph_reg_value);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port),
- uniqtranscale_reg_value);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0C782040);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), preemph_reg_value);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0x80000000);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_set_phy_signal_level(encoder, demph_reg_value, preemph_reg_value,
+ uniqtranscale_reg_value, 0);
return 0;
}
-static bool chv_need_uniq_trans_scale(uint8_t train_set)
-{
- return (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) == DP_TRAIN_PRE_EMPH_LEVEL_0 &&
- (train_set & DP_TRAIN_VOLTAGE_SWING_MASK) == DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
-}
-
static uint32_t chv_signal_levels(struct intel_dp *intel_dp)
{
- struct drm_device *dev = intel_dp_to_dev(intel_dp);
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct intel_crtc *intel_crtc = to_intel_crtc(dport->base.base.crtc);
- u32 deemph_reg_value, margin_reg_value, val;
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ u32 deemph_reg_value, margin_reg_value;
+ bool uniq_trans_scale = false;
uint8_t train_set = intel_dp->train_set[0];
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- enum pipe pipe = intel_crtc->pipe;
- int i;
switch (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) {
case DP_TRAIN_PRE_EMPH_LEVEL_0:
@@ -3312,7 +3011,7 @@
case DP_TRAIN_VOLTAGE_SWING_LEVEL_3:
deemph_reg_value = 128;
margin_reg_value = 154;
- /* FIXME extra to set for 1200 */
+ uniq_trans_scale = true;
break;
default:
return 0;
@@ -3364,88 +3063,8 @@
return 0;
}
- mutex_lock(&dev_priv->sb_lock);
-
- /* Clear calc init */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
- }
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val);
- }
-
- /* Program swing deemph */
- for (i = 0; i < intel_crtc->config->lane_count; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i));
- val &= ~DPIO_SWING_DEEMPH9P5_MASK;
- val |= deemph_reg_value << DPIO_SWING_DEEMPH9P5_SHIFT;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val);
- }
-
- /* Program swing margin */
- for (i = 0; i < intel_crtc->config->lane_count; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i));
-
- val &= ~DPIO_SWING_MARGIN000_MASK;
- val |= margin_reg_value << DPIO_SWING_MARGIN000_SHIFT;
-
- /*
- * Supposedly this value shouldn't matter when unique transition
- * scale is disabled, but in fact it does matter. Let's just
- * always program the same value and hope it's OK.
- */
- val &= ~(0xff << DPIO_UNIQ_TRANS_SCALE_SHIFT);
- val |= 0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT;
-
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val);
- }
-
- /*
- * The document said it needs to set bit 27 for ch0 and bit 26
- * for ch1. Might be a typo in the doc.
- * For now, for this unique transition scale selection, set bit
- * 27 for ch0 and ch1.
- */
- for (i = 0; i < intel_crtc->config->lane_count; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i));
- if (chv_need_uniq_trans_scale(train_set))
- val |= DPIO_TX_UNIQ_TRANS_SCALE_EN;
- else
- val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val);
- }
-
- /* Start swing calculation */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- if (intel_crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
- }
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_set_phy_signal_level(encoder, deemph_reg_value,
+ margin_reg_value, uniq_trans_scale);
return 0;
}
@@ -3714,7 +3333,6 @@
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_device *dev = dig_port->base.base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- uint8_t rev;
if (drm_dp_dpcd_read(&intel_dp->aux, 0x000, intel_dp->dpcd,
sizeof(intel_dp->dpcd)) < 0)
@@ -3771,6 +3389,15 @@
DRM_DEBUG_KMS("PSR2 %s on sink",
dev_priv->psr.psr2_support ? "supported" : "not supported");
}
+
+ /* Read the eDP Display control capabilities registers */
+ memset(intel_dp->edp_dpcd, 0, sizeof(intel_dp->edp_dpcd));
+ if ((intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) &&
+ (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV,
+ intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) ==
+ sizeof(intel_dp->edp_dpcd)))
+ DRM_DEBUG_KMS("EDP DPCD : %*ph\n", (int) sizeof(intel_dp->edp_dpcd),
+ intel_dp->edp_dpcd);
}
DRM_DEBUG_KMS("Display Port TPS3 support: source %s, sink %s\n",
@@ -3778,10 +3405,7 @@
yesno(drm_dp_tps3_supported(intel_dp->dpcd)));
/* Intermediate frequency support */
- if (is_edp(intel_dp) &&
- (intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) &&
- (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV, &rev, 1) == 1) &&
- (rev >= 0x03)) { /* eDp v1.4 or higher */
+ if (is_edp(intel_dp) && (intel_dp->edp_dpcd[0] >= 0x03)) { /* eDp v1.4 or higher */
__le16 sink_rates[DP_MAX_SUPPORTED_RATES];
int i;
diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
new file mode 100644
index 0000000..6532e22
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#include "intel_drv.h"
+
+static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
+{
+ uint8_t reg_val = 0;
+
+ if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,
+ ®_val) < 0) {
+ DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n",
+ DP_EDP_DISPLAY_CONTROL_REGISTER);
+ return;
+ }
+ if (enable)
+ reg_val |= DP_EDP_BACKLIGHT_ENABLE;
+ else
+ reg_val &= ~(DP_EDP_BACKLIGHT_ENABLE);
+
+ if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,
+ reg_val) != 1) {
+ DRM_DEBUG_KMS("Failed to %s aux backlight\n",
+ enable ? "enable" : "disable");
+ }
+}
+
+/*
+ * Read the current backlight value from DPCD register(s) based
+ * on if 8-bit(MSB) or 16-bit(MSB and LSB) values are supported
+ */
+static uint32_t intel_dp_aux_get_backlight(struct intel_connector *connector)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+ uint8_t read_val[2] = { 0x0 };
+ uint16_t level = 0;
+
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,
+ &read_val, sizeof(read_val)) < 0) {
+ DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n",
+ DP_EDP_BACKLIGHT_BRIGHTNESS_MSB);
+ return 0;
+ }
+ level = read_val[0];
+ if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT)
+ level = (read_val[0] << 8 | read_val[1]);
+
+ return level;
+}
+
+/*
+ * Sends the current backlight level over the aux channel, checking if its using
+ * 8-bit or 16 bit value (MSB and LSB)
+ */
+static void
+intel_dp_aux_set_backlight(struct intel_connector *connector, u32 level)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+ uint8_t vals[2] = { 0x0 };
+
+ vals[0] = level;
+
+ /* Write the MSB and/or LSB */
+ if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT) {
+ vals[0] = (level & 0xFF00) >> 8;
+ vals[1] = (level & 0xFF);
+ }
+ if (drm_dp_dpcd_write(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,
+ vals, sizeof(vals)) < 0) {
+ DRM_DEBUG_KMS("Failed to write aux backlight level\n");
+ return;
+ }
+}
+
+static void intel_dp_aux_enable_backlight(struct intel_connector *connector)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+ uint8_t dpcd_buf = 0;
+
+ set_aux_backlight_enable(intel_dp, true);
+
+ if ((drm_dp_dpcd_readb(&intel_dp->aux,
+ DP_EDP_BACKLIGHT_MODE_SET_REGISTER, &dpcd_buf) == 1) &&
+ ((dpcd_buf & DP_EDP_BACKLIGHT_CONTROL_MODE_MASK) ==
+ DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET))
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
+ (dpcd_buf | DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD));
+}
+
+static void intel_dp_aux_disable_backlight(struct intel_connector *connector)
+{
+ set_aux_backlight_enable(enc_to_intel_dp(&connector->encoder->base), false);
+}
+
+static int intel_dp_aux_setup_backlight(struct intel_connector *connector,
+ enum pipe pipe)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+ struct intel_panel *panel = &connector->panel;
+
+ intel_dp_aux_enable_backlight(connector);
+
+ if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT)
+ panel->backlight.max = 0xFFFF;
+ else
+ panel->backlight.max = 0xFF;
+
+ panel->backlight.min = 0;
+ panel->backlight.level = intel_dp_aux_get_backlight(connector);
+
+ panel->backlight.enabled = panel->backlight.level != 0;
+
+ return 0;
+}
+
+static bool
+intel_dp_aux_display_control_capable(struct intel_connector *connector)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+
+ /* Check the eDP Display control capabilities registers to determine if
+ * the panel can support backlight control over the aux channel
+ */
+ if (intel_dp->edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP &&
+ (intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_AUX_ENABLE_CAP) &&
+ !((intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_PIN_ENABLE_CAP) ||
+ (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP))) {
+ DRM_DEBUG_KMS("AUX Backlight Control Supported!\n");
+ return true;
+ }
+ return false;
+}
+
+int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
+{
+ struct intel_panel *panel = &intel_connector->panel;
+
+ if (!i915.enable_dpcd_backlight)
+ return -ENODEV;
+
+ if (!intel_dp_aux_display_control_capable(intel_connector))
+ return -ENODEV;
+
+ panel->backlight.setup = intel_dp_aux_setup_backlight;
+ panel->backlight.enable = intel_dp_aux_enable_backlight;
+ panel->backlight.disable = intel_dp_aux_disable_backlight;
+ panel->backlight.set = intel_dp_aux_set_backlight;
+ panel->backlight.get = intel_dp_aux_get_backlight;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c
new file mode 100644
index 0000000..288da35
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dpio_phy.c
@@ -0,0 +1,470 @@
+/*
+ * Copyright © 2014-2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "intel_drv.h"
+
+void chv_set_phy_signal_level(struct intel_encoder *encoder,
+ u32 deemph_reg_value, u32 margin_reg_value,
+ bool uniq_trans_scale)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct intel_crtc *intel_crtc = to_intel_crtc(dport->base.base.crtc);
+ enum dpio_channel ch = vlv_dport_to_channel(dport);
+ enum pipe pipe = intel_crtc->pipe;
+ u32 val;
+ int i;
+
+ mutex_lock(&dev_priv->sb_lock);
+
+ /* Clear calc init */
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
+ val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
+ val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
+ val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
+ val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
+ val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
+ val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
+ }
+
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch));
+ val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
+ val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch));
+ val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
+ val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val);
+ }
+
+ /* Program swing deemph */
+ for (i = 0; i < intel_crtc->config->lane_count; i++) {
+ val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i));
+ val &= ~DPIO_SWING_DEEMPH9P5_MASK;
+ val |= deemph_reg_value << DPIO_SWING_DEEMPH9P5_SHIFT;
+ vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val);
+ }
+
+ /* Program swing margin */
+ for (i = 0; i < intel_crtc->config->lane_count; i++) {
+ val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i));
+
+ val &= ~DPIO_SWING_MARGIN000_MASK;
+ val |= margin_reg_value << DPIO_SWING_MARGIN000_SHIFT;
+
+ /*
+ * Supposedly this value shouldn't matter when unique transition
+ * scale is disabled, but in fact it does matter. Let's just
+ * always program the same value and hope it's OK.
+ */
+ val &= ~(0xff << DPIO_UNIQ_TRANS_SCALE_SHIFT);
+ val |= 0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT;
+
+ vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val);
+ }
+
+ /*
+ * The document said it needs to set bit 27 for ch0 and bit 26
+ * for ch1. Might be a typo in the doc.
+ * For now, for this unique transition scale selection, set bit
+ * 27 for ch0 and ch1.
+ */
+ for (i = 0; i < intel_crtc->config->lane_count; i++) {
+ val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i));
+ if (uniq_trans_scale)
+ val |= DPIO_TX_UNIQ_TRANS_SCALE_EN;
+ else
+ val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN;
+ vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val);
+ }
+
+ /* Start swing calculation */
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
+ val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
+ val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
+ }
+
+ mutex_unlock(&dev_priv->sb_lock);
+
+}
+
+void chv_data_lane_soft_reset(struct intel_encoder *encoder,
+ bool reset)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
+ struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
+ enum pipe pipe = crtc->pipe;
+ uint32_t val;
+
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch));
+ if (reset)
+ val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
+ else
+ val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val);
+
+ if (crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch));
+ if (reset)
+ val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
+ else
+ val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val);
+ }
+
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch));
+ val |= CHV_PCS_REQ_SOFTRESET_EN;
+ if (reset)
+ val &= ~DPIO_PCS_CLK_SOFT_RESET;
+ else
+ val |= DPIO_PCS_CLK_SOFT_RESET;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val);
+
+ if (crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch));
+ val |= CHV_PCS_REQ_SOFTRESET_EN;
+ if (reset)
+ val &= ~DPIO_PCS_CLK_SOFT_RESET;
+ else
+ val |= DPIO_PCS_CLK_SOFT_RESET;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val);
+ }
+}
+
+void chv_phy_pre_pll_enable(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(encoder->base.crtc);
+ enum dpio_channel ch = vlv_dport_to_channel(dport);
+ enum pipe pipe = intel_crtc->pipe;
+ unsigned int lane_mask =
+ intel_dp_unused_lane_mask(intel_crtc->config->lane_count);
+ u32 val;
+
+ /*
+ * Must trick the second common lane into life.
+ * Otherwise we can't even access the PLL.
+ */
+ if (ch == DPIO_CH0 && pipe == PIPE_B)
+ dport->release_cl2_override =
+ !chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, true);
+
+ chv_phy_powergate_lanes(encoder, true, lane_mask);
+
+ mutex_lock(&dev_priv->sb_lock);
+
+ /* Assert data lane reset */
+ chv_data_lane_soft_reset(encoder, true);
+
+ /* program left/right clock distribution */
+ if (pipe != PIPE_B) {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
+ val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
+ if (ch == DPIO_CH0)
+ val |= CHV_BUFLEFTENA1_FORCE;
+ if (ch == DPIO_CH1)
+ val |= CHV_BUFRIGHTENA1_FORCE;
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
+ } else {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
+ val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
+ if (ch == DPIO_CH0)
+ val |= CHV_BUFLEFTENA2_FORCE;
+ if (ch == DPIO_CH1)
+ val |= CHV_BUFRIGHTENA2_FORCE;
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
+ }
+
+ /* program clock channel usage */
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(ch));
+ val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
+ if (pipe != PIPE_B)
+ val &= ~CHV_PCS_USEDCLKCHANNEL;
+ else
+ val |= CHV_PCS_USEDCLKCHANNEL;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW8(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW8(ch));
+ val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
+ if (pipe != PIPE_B)
+ val &= ~CHV_PCS_USEDCLKCHANNEL;
+ else
+ val |= CHV_PCS_USEDCLKCHANNEL;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW8(ch), val);
+ }
+
+ /*
+ * This a a bit weird since generally CL
+ * matches the pipe, but here we need to
+ * pick the CL based on the port.
+ */
+ val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW19(ch));
+ if (pipe != PIPE_B)
+ val &= ~CHV_CMN_USEDCLKCHANNEL;
+ else
+ val |= CHV_CMN_USEDCLKCHANNEL;
+ vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW19(ch), val);
+
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
+void chv_phy_pre_encoder_enable(struct intel_encoder *encoder)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(encoder->base.crtc);
+ enum dpio_channel ch = vlv_dport_to_channel(dport);
+ int pipe = intel_crtc->pipe;
+ int data, i, stagger;
+ u32 val;
+
+ mutex_lock(&dev_priv->sb_lock);
+
+ /* allow hardware to manage TX FIFO reset source */
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
+ val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
+ val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
+ }
+
+ /* Program Tx lane latency optimal setting*/
+ for (i = 0; i < intel_crtc->config->lane_count; i++) {
+ /* Set the upar bit */
+ if (intel_crtc->config->lane_count == 1)
+ data = 0x0;
+ else
+ data = (i == 1) ? 0x0 : 0x1;
+ vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i),
+ data << DPIO_UPAR_SHIFT);
+ }
+
+ /* Data lane stagger programming */
+ if (intel_crtc->config->port_clock > 270000)
+ stagger = 0x18;
+ else if (intel_crtc->config->port_clock > 135000)
+ stagger = 0xd;
+ else if (intel_crtc->config->port_clock > 67500)
+ stagger = 0x7;
+ else if (intel_crtc->config->port_clock > 33750)
+ stagger = 0x4;
+ else
+ stagger = 0x2;
+
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
+ val |= DPIO_TX2_STAGGER_MASK(0x1f);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
+
+ if (intel_crtc->config->lane_count > 2) {
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
+ val |= DPIO_TX2_STAGGER_MASK(0x1f);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
+ }
+
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW12(ch),
+ DPIO_LANESTAGGER_STRAP(stagger) |
+ DPIO_LANESTAGGER_STRAP_OVRD |
+ DPIO_TX1_STAGGER_MASK(0x1f) |
+ DPIO_TX1_STAGGER_MULT(6) |
+ DPIO_TX2_STAGGER_MULT(0));
+
+ if (intel_crtc->config->lane_count > 2) {
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW12(ch),
+ DPIO_LANESTAGGER_STRAP(stagger) |
+ DPIO_LANESTAGGER_STRAP_OVRD |
+ DPIO_TX1_STAGGER_MASK(0x1f) |
+ DPIO_TX1_STAGGER_MULT(7) |
+ DPIO_TX2_STAGGER_MULT(5));
+ }
+
+ /* Deassert data lane reset */
+ chv_data_lane_soft_reset(encoder, false);
+
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
+void chv_phy_release_cl2_override(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
+ if (dport->release_cl2_override) {
+ chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, false);
+ dport->release_cl2_override = false;
+ }
+}
+
+void chv_phy_post_pll_disable(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum pipe pipe = to_intel_crtc(encoder->base.crtc)->pipe;
+ u32 val;
+
+ mutex_lock(&dev_priv->sb_lock);
+
+ /* disable left/right clock distribution */
+ if (pipe != PIPE_B) {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
+ val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
+ } else {
+ val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
+ val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
+ vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
+ }
+
+ mutex_unlock(&dev_priv->sb_lock);
+
+ /*
+ * Leave the power down bit cleared for at least one
+ * lane so that chv_powergate_phy_ch() will power
+ * on something when the channel is otherwise unused.
+ * When the port is off and the override is removed
+ * the lanes power down anyway, so otherwise it doesn't
+ * really matter what the state of power down bits is
+ * after this.
+ */
+ chv_phy_powergate_lanes(encoder, false, 0x0);
+}
+
+void vlv_set_phy_signal_level(struct intel_encoder *encoder,
+ u32 demph_reg_value, u32 preemph_reg_value,
+ u32 uniqtranscale_reg_value, u32 tx3_demph)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ enum dpio_channel port = vlv_dport_to_channel(dport);
+ int pipe = intel_crtc->pipe;
+
+ mutex_lock(&dev_priv->sb_lock);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0x00000000);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), demph_reg_value);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port),
+ uniqtranscale_reg_value);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0C782040);
+
+ if (tx3_demph)
+ vlv_dpio_write(dev_priv, pipe, VLV_TX3_DW4(port), tx3_demph);
+
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), preemph_reg_value);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
+void vlv_phy_pre_pll_enable(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(encoder->base.crtc);
+ enum dpio_channel port = vlv_dport_to_channel(dport);
+ int pipe = intel_crtc->pipe;
+
+ /* Program Tx lane resets to default */
+ mutex_lock(&dev_priv->sb_lock);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
+ DPIO_PCS_TX_LANE2_RESET |
+ DPIO_PCS_TX_LANE1_RESET);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
+ DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
+ DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
+ (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
+ DPIO_PCS_CLK_SOFT_RESET);
+
+ /* Fix up inter-pair skew failure */
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
+ vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
+void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder)
+{
+ struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+ struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
+ struct drm_device *dev = encoder->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
+ enum dpio_channel port = vlv_dport_to_channel(dport);
+ int pipe = intel_crtc->pipe;
+ u32 val;
+
+ mutex_lock(&dev_priv->sb_lock);
+
+ /* Enable clock channels for this port */
+ val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
+ val = 0;
+ if (pipe)
+ val |= (1<<21);
+ else
+ val &= ~(1<<21);
+ val |= 0x001000c4;
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
+
+ /* Program lane clock */
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
+
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
+void vlv_phy_reset_lanes(struct intel_encoder *encoder)
+{
+ struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+ struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(encoder->base.crtc);
+ enum dpio_channel port = vlv_dport_to_channel(dport);
+ int pipe = intel_crtc->pipe;
+
+ mutex_lock(&dev_priv->sb_lock);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), 0x00000000);
+ vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), 0x00e00060);
+ mutex_unlock(&dev_priv->sb_lock);
+}
diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index 3ac7059..c283ba4 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -1508,7 +1508,7 @@
int clock = crtc_state->port_clock;
if (encoder->type == INTEL_OUTPUT_HDMI) {
- intel_clock_t best_clock;
+ struct dpll best_clock;
/* Calculate HDMI div */
/*
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a28b4aa..97de5e0 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -266,7 +266,7 @@
struct intel_dp *mst_port;
};
-typedef struct dpll {
+struct dpll {
/* given values */
int n;
int m1, m2;
@@ -276,7 +276,7 @@
int vco;
int m;
int p;
-} intel_clock_t;
+};
struct intel_atomic_state {
struct drm_atomic_state base;
@@ -291,17 +291,29 @@
bool dpll_set, modeset;
+ /*
+ * Does this transaction change the pipes that are active? This mask
+ * tracks which CRTC's have changed their active state at the end of
+ * the transaction (not counting the temporary disable during modesets).
+ * This mask should only be non-zero when intel_state->modeset is true,
+ * but the converse is not necessarily true; simply changing a mode may
+ * not flip the final active status of any CRTC's
+ */
+ unsigned int active_pipe_changes;
+
unsigned int active_crtcs;
unsigned int min_pixclk[I915_MAX_PIPES];
struct intel_shared_dpll_config shared_dpll[I915_NUM_PLLS];
- struct intel_wm_config wm_config;
/*
* Current watermarks can't be trusted during hardware readout, so
* don't bother calculating intermediate watermarks.
*/
bool skip_intermediate_wm;
+
+ /* Gen9+ only */
+ struct skl_wm_values wm_results;
};
struct intel_plane_state {
@@ -405,6 +417,48 @@
uint32_t linetime;
};
+struct intel_crtc_wm_state {
+ union {
+ struct {
+ /*
+ * Intermediate watermarks; these can be
+ * programmed immediately since they satisfy
+ * both the current configuration we're
+ * switching away from and the new
+ * configuration we're switching to.
+ */
+ struct intel_pipe_wm intermediate;
+
+ /*
+ * Optimal watermarks, programmed post-vblank
+ * when this state is committed.
+ */
+ struct intel_pipe_wm optimal;
+ } ilk;
+
+ struct {
+ /* gen9+ only needs 1-step wm programming */
+ struct skl_pipe_wm optimal;
+
+ /* cached plane data rate */
+ unsigned plane_data_rate[I915_MAX_PLANES];
+ unsigned plane_y_data_rate[I915_MAX_PLANES];
+
+ /* minimum block allocation */
+ uint16_t minimum_blocks[I915_MAX_PLANES];
+ uint16_t minimum_y_blocks[I915_MAX_PLANES];
+ } skl;
+ };
+
+ /*
+ * Platforms with two-step watermark programming will need to
+ * update watermark programming post-vblank to switch from the
+ * safe intermediate watermarks to the optimal final
+ * watermarks.
+ */
+ bool need_postvbl_update;
+};
+
struct intel_crtc_state {
struct drm_crtc_state base;
@@ -558,32 +612,7 @@
/* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */
bool disable_lp_wm;
- struct {
- /*
- * Optimal watermarks, programmed post-vblank when this state
- * is committed.
- */
- union {
- struct intel_pipe_wm ilk;
- struct skl_pipe_wm skl;
- } optimal;
-
- /*
- * Intermediate watermarks; these can be programmed immediately
- * since they satisfy both the current configuration we're
- * switching away from and the new configuration we're switching
- * to.
- */
- struct intel_pipe_wm intermediate;
-
- /*
- * Platforms with two-step watermark programming will need to
- * update watermark programming post-vblank to switch from the
- * safe intermediate watermarks to the optimal final
- * watermarks.
- */
- bool need_postvbl_update;
- } wm;
+ struct intel_crtc_wm_state wm;
/* Gamma mode programmed on the pipe */
uint32_t gamma_mode;
@@ -598,14 +627,6 @@
bool cxsr;
};
-struct intel_mmio_flip {
- struct work_struct work;
- struct drm_i915_private *i915;
- struct drm_i915_gem_request *req;
- struct intel_crtc *crtc;
- unsigned int rotation;
-};
-
struct intel_crtc {
struct drm_crtc base;
enum pipe pipe;
@@ -620,7 +641,7 @@
unsigned long enabled_power_domains;
bool lowfreq_avail;
struct intel_overlay *overlay;
- struct intel_unpin_work *unpin_work;
+ struct intel_flip_work *flip_work;
atomic_t unpin_work_count;
@@ -815,6 +836,7 @@
uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
+ uint8_t edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE];
/* sink rates as reported by DP_SUPPORTED_LINK_RATES */
uint8_t num_sink_rates;
int sink_rates[DP_MAX_SUPPORTED_RATES];
@@ -947,22 +969,21 @@
return dev_priv->plane_to_crtc_mapping[plane];
}
-struct intel_unpin_work {
- struct work_struct work;
+struct intel_flip_work {
+ struct work_struct unpin_work;
+ struct work_struct mmio_work;
+
struct drm_crtc *crtc;
struct drm_framebuffer *old_fb;
struct drm_i915_gem_object *pending_flip_obj;
struct drm_pending_vblank_event *event;
atomic_t pending;
-#define INTEL_FLIP_INACTIVE 0
-#define INTEL_FLIP_PENDING 1
-#define INTEL_FLIP_COMPLETE 2
u32 flip_count;
u32 gtt_offset;
struct drm_i915_gem_request *flip_queued_req;
u32 flip_queued_vblank;
u32 flip_ready_vblank;
- bool enable_stall_check;
+ unsigned int rotation;
};
struct intel_load_detect_pipe {
@@ -1031,9 +1052,9 @@
void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
-void gen6_reset_rps_interrupts(struct drm_device *dev);
-void gen6_enable_rps_interrupts(struct drm_device *dev);
-void gen6_disable_rps_interrupts(struct drm_device *dev);
+void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv);
+void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv);
+void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv);
u32 gen6_sanitize_rps_pm_mask(struct drm_i915_private *dev_priv, u32 mask);
void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv);
void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv);
@@ -1112,14 +1133,15 @@
void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
/* intel_display.c */
+void intel_update_rawclk(struct drm_i915_private *dev_priv);
int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
const char *name, u32 reg, int ref_freq);
extern const struct drm_plane_funcs intel_plane_funcs;
void intel_init_display_hooks(struct drm_i915_private *dev_priv);
unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
bool intel_has_pending_fb_unpin(struct drm_device *dev);
-void intel_mark_busy(struct drm_device *dev);
-void intel_mark_idle(struct drm_device *dev);
+void intel_mark_busy(struct drm_i915_private *dev_priv);
+void intel_mark_idle(struct drm_i915_private *dev_priv);
void intel_crtc_restore_mode(struct drm_crtc *crtc);
int intel_display_suspend(struct drm_device *dev);
void intel_encoder_destroy(struct drm_encoder *encoder);
@@ -1151,6 +1173,9 @@
if (crtc->active)
intel_wait_for_vblank(dev, pipe);
}
+
+u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
+
int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
struct intel_digital_port *dport,
@@ -1164,14 +1189,14 @@
struct drm_modeset_acquire_ctx *ctx);
int intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
unsigned int rotation);
+void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation);
struct drm_framebuffer *
__intel_framebuffer_create(struct drm_device *dev,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_i915_gem_object *obj);
-void intel_prepare_page_flip(struct drm_device *dev, int plane);
-void intel_finish_page_flip(struct drm_device *dev, int pipe);
-void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
-void intel_check_page_flip(struct drm_device *dev, int pipe);
+void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe);
+void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe);
+void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe);
int intel_prepare_plane_fb(struct drm_plane *plane,
const struct drm_plane_state *new_state);
void intel_cleanup_plane_fb(struct drm_plane *plane,
@@ -1228,8 +1253,8 @@
const struct drm_framebuffer *fb, int plane,
unsigned int pitch,
unsigned int rotation);
-void intel_prepare_reset(struct drm_device *dev);
-void intel_finish_reset(struct drm_device *dev);
+void intel_prepare_reset(struct drm_i915_private *dev_priv);
+void intel_finish_reset(struct drm_i915_private *dev_priv);
void hsw_enable_pc8(struct drm_i915_private *dev_priv);
void hsw_disable_pc8(struct drm_i915_private *dev_priv);
void broxton_init_cdclk(struct drm_i915_private *dev_priv);
@@ -1252,8 +1277,8 @@
void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n);
int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
- intel_clock_t *best_clock);
-int chv_calc_dpll_params(int refclk, intel_clock_t *pll_clock);
+ struct dpll *best_clock);
+int chv_calc_dpll_params(int refclk, struct dpll *pll_clock);
bool intel_crtc_active(struct drm_crtc *crtc);
void hsw_enable_ips(struct intel_crtc *crtc);
@@ -1339,12 +1364,22 @@
bool
intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]);
+static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
+{
+ return ~((1 << lane_count) - 1) & 0xf;
+}
+
+/* intel_dp_aux_backlight.c */
+int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector);
+
/* intel_dp_mst.c */
int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id);
void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
/* intel_dsi.c */
void intel_dsi_init(struct drm_device *dev);
+/* intel_dsi_dcs_backlight.c */
+int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector);
/* intel_dvo.c */
void intel_dvo_init(struct drm_device *dev);
@@ -1424,13 +1459,13 @@
/* intel_overlay.c */
-void intel_setup_overlay(struct drm_device *dev);
-void intel_cleanup_overlay(struct drm_device *dev);
+void intel_setup_overlay(struct drm_i915_private *dev_priv);
+void intel_cleanup_overlay(struct drm_i915_private *dev_priv);
int intel_overlay_switch_off(struct intel_overlay *overlay);
-int intel_overlay_put_image(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-int intel_overlay_attrs(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
+int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
void intel_overlay_reset(struct drm_i915_private *dev_priv);
@@ -1601,21 +1636,20 @@
void intel_pm_setup(struct drm_device *dev);
void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
void intel_gpu_ips_teardown(void);
-void intel_init_gt_powersave(struct drm_device *dev);
-void intel_cleanup_gt_powersave(struct drm_device *dev);
-void intel_enable_gt_powersave(struct drm_device *dev);
-void intel_disable_gt_powersave(struct drm_device *dev);
-void intel_suspend_gt_powersave(struct drm_device *dev);
-void intel_reset_gt_powersave(struct drm_device *dev);
-void gen6_update_ring_freq(struct drm_device *dev);
+void intel_init_gt_powersave(struct drm_i915_private *dev_priv);
+void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv);
+void intel_enable_gt_powersave(struct drm_i915_private *dev_priv);
+void intel_disable_gt_powersave(struct drm_i915_private *dev_priv);
+void intel_suspend_gt_powersave(struct drm_i915_private *dev_priv);
+void intel_reset_gt_powersave(struct drm_i915_private *dev_priv);
+void gen6_update_ring_freq(struct drm_i915_private *dev_priv);
void gen6_rps_busy(struct drm_i915_private *dev_priv);
void gen6_rps_reset_ei(struct drm_i915_private *dev_priv);
void gen6_rps_idle(struct drm_i915_private *dev_priv);
void gen6_rps_boost(struct drm_i915_private *dev_priv,
struct intel_rps_client *rps,
unsigned long submitted);
-void intel_queue_rps_boost_for_request(struct drm_device *dev,
- struct drm_i915_gem_request *req);
+void intel_queue_rps_boost_for_request(struct drm_i915_gem_request *req);
void vlv_wm_get_hw_state(struct drm_device *dev);
void ilk_wm_get_hw_state(struct drm_device *dev);
void skl_wm_get_hw_state(struct drm_device *dev);
@@ -1623,7 +1657,11 @@
struct skl_ddb_allocation *ddb /* out */);
uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config);
bool ilk_disable_lp_wm(struct drm_device *dev);
-int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6);
+int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6);
+static inline int intel_enable_rc6(void)
+{
+ return i915.enable_rc6;
+}
/* intel_sdvo.c */
bool intel_sdvo_init(struct drm_device *dev,
@@ -1635,7 +1673,7 @@
int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void intel_pipe_update_start(struct intel_crtc *crtc);
-void intel_pipe_update_end(struct intel_crtc *crtc);
+void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work);
/* intel_tv.c */
void intel_tv_init(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 366ad6c..4009618 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -532,7 +532,6 @@
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
enum port port;
- u32 tmp;
DRM_DEBUG_KMS("\n");
@@ -551,11 +550,13 @@
msleep(intel_dsi->panel_on_delay);
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
+ u32 val;
+
/* Disable DPOunit clock gating, can stall pipe */
- tmp = I915_READ(DSPCLK_GATE_D);
- tmp |= DPOUNIT_CLOCK_GATE_DISABLE;
- I915_WRITE(DSPCLK_GATE_D, tmp);
+ val = I915_READ(DSPCLK_GATE_D);
+ val |= DPOUNIT_CLOCK_GATE_DISABLE;
+ I915_WRITE(DSPCLK_GATE_D, val);
}
/* put device in ready state */
@@ -693,7 +694,7 @@
intel_dsi_clear_device_ready(encoder);
- if (!IS_BROXTON(dev_priv)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
u32 val;
val = I915_READ(DSPCLK_GATE_D);
@@ -1473,10 +1474,42 @@
else
intel_encoder->crtc_mask = BIT(PIPE_B);
- if (dev_priv->vbt.dsi.config->dual_link)
+ if (dev_priv->vbt.dsi.config->dual_link) {
intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C);
- else
+
+ switch (dev_priv->vbt.dsi.config->dl_dcs_backlight_ports) {
+ case DL_DCS_PORT_A:
+ intel_dsi->dcs_backlight_ports = BIT(PORT_A);
+ break;
+ case DL_DCS_PORT_C:
+ intel_dsi->dcs_backlight_ports = BIT(PORT_C);
+ break;
+ default:
+ case DL_DCS_PORT_A_AND_C:
+ intel_dsi->dcs_backlight_ports = BIT(PORT_A) | BIT(PORT_C);
+ break;
+ }
+
+ switch (dev_priv->vbt.dsi.config->dl_dcs_cabc_ports) {
+ case DL_DCS_PORT_A:
+ intel_dsi->dcs_cabc_ports = BIT(PORT_A);
+ break;
+ case DL_DCS_PORT_C:
+ intel_dsi->dcs_cabc_ports = BIT(PORT_C);
+ break;
+ default:
+ case DL_DCS_PORT_A_AND_C:
+ intel_dsi->dcs_cabc_ports = BIT(PORT_A) | BIT(PORT_C);
+ break;
+ }
+ } else {
intel_dsi->ports = BIT(port);
+ intel_dsi->dcs_backlight_ports = BIT(port);
+ intel_dsi->dcs_cabc_ports = BIT(port);
+ }
+
+ if (!dev_priv->vbt.dsi.config->cabc_supported)
+ intel_dsi->dcs_cabc_ports = 0;
/* Create a DSI host (and a device) for each port. */
for_each_dsi_port(port, intel_dsi->ports) {
diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index 61a6957..5967ea6 100644
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -78,6 +78,10 @@
u8 escape_clk_div;
u8 dual_link;
+
+ u16 dcs_backlight_ports;
+ u16 dcs_cabc_ports;
+
u8 pixel_overlap;
u32 port_bits;
u32 bw_timer;
diff --git a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
new file mode 100644
index 0000000..f0dc427
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Deepak M <m.deepak at intel.com>
+ */
+
+#include "intel_drv.h"
+#include "intel_dsi.h"
+#include "i915_drv.h"
+#include <video/mipi_display.h>
+#include <drm/drm_mipi_dsi.h>
+
+#define CONTROL_DISPLAY_BCTRL (1 << 5)
+#define CONTROL_DISPLAY_DD (1 << 3)
+#define CONTROL_DISPLAY_BL (1 << 2)
+
+#define POWER_SAVE_OFF (0 << 0)
+#define POWER_SAVE_LOW (1 << 0)
+#define POWER_SAVE_MEDIUM (2 << 0)
+#define POWER_SAVE_HIGH (3 << 0)
+#define POWER_SAVE_OUTDOOR_MODE (4 << 0)
+
+#define PANEL_PWM_MAX_VALUE 0xFF
+
+static u32 dcs_get_backlight(struct intel_connector *connector)
+{
+ struct intel_encoder *encoder = connector->encoder;
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct mipi_dsi_device *dsi_device;
+ u8 data;
+ enum port port;
+
+ /* FIXME: Need to take care of 16 bit brightness level */
+ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+ mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
+ &data, sizeof(data));
+ break;
+ }
+
+ return data;
+}
+
+static void dcs_set_backlight(struct intel_connector *connector, u32 level)
+{
+ struct intel_encoder *encoder = connector->encoder;
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct mipi_dsi_device *dsi_device;
+ u8 data = level;
+ enum port port;
+
+ /* FIXME: Need to take care of 16 bit brightness level */
+ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+ mipi_dsi_dcs_write(dsi_device, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
+ &data, sizeof(data));
+ }
+}
+
+static void dcs_disable_backlight(struct intel_connector *connector)
+{
+ struct intel_encoder *encoder = connector->encoder;
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct mipi_dsi_device *dsi_device;
+ enum port port;
+
+ dcs_set_backlight(connector, 0);
+
+ for_each_dsi_port(port, intel_dsi->dcs_cabc_ports) {
+ u8 cabc = POWER_SAVE_OFF;
+
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+ mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_POWER_SAVE,
+ &cabc, sizeof(cabc));
+ }
+
+ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
+ u8 ctrl = 0;
+
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+
+ mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_CONTROL_DISPLAY,
+ &ctrl, sizeof(ctrl));
+
+ ctrl &= ~CONTROL_DISPLAY_BL;
+ ctrl &= ~CONTROL_DISPLAY_DD;
+ ctrl &= ~CONTROL_DISPLAY_BCTRL;
+
+ mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+ &ctrl, sizeof(ctrl));
+ }
+}
+
+static void dcs_enable_backlight(struct intel_connector *connector)
+{
+ struct intel_encoder *encoder = connector->encoder;
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct intel_panel *panel = &connector->panel;
+ struct mipi_dsi_device *dsi_device;
+ enum port port;
+
+ for_each_dsi_port(port, intel_dsi->dcs_backlight_ports) {
+ u8 ctrl = 0;
+
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+
+ mipi_dsi_dcs_read(dsi_device, MIPI_DCS_GET_CONTROL_DISPLAY,
+ &ctrl, sizeof(ctrl));
+
+ ctrl |= CONTROL_DISPLAY_BL;
+ ctrl |= CONTROL_DISPLAY_DD;
+ ctrl |= CONTROL_DISPLAY_BCTRL;
+
+ mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+ &ctrl, sizeof(ctrl));
+ }
+
+ for_each_dsi_port(port, intel_dsi->dcs_cabc_ports) {
+ u8 cabc = POWER_SAVE_MEDIUM;
+
+ dsi_device = intel_dsi->dsi_hosts[port]->device;
+ mipi_dsi_dcs_write(dsi_device, MIPI_DCS_WRITE_POWER_SAVE,
+ &cabc, sizeof(cabc));
+ }
+
+ dcs_set_backlight(connector, panel->backlight.level);
+}
+
+static int dcs_setup_backlight(struct intel_connector *connector,
+ enum pipe unused)
+{
+ struct intel_panel *panel = &connector->panel;
+
+ panel->backlight.max = PANEL_PWM_MAX_VALUE;
+ panel->backlight.level = PANEL_PWM_MAX_VALUE;
+
+ return 0;
+}
+
+int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector)
+{
+ struct drm_device *dev = intel_connector->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_encoder *encoder = intel_connector->encoder;
+ struct intel_panel *panel = &intel_connector->panel;
+
+ if (dev_priv->vbt.backlight.type != INTEL_BACKLIGHT_DSI_DCS)
+ return -ENODEV;
+
+ if (WARN_ON(encoder->type != INTEL_OUTPUT_DSI))
+ return -EINVAL;
+
+ panel->backlight.setup = dcs_setup_backlight;
+ panel->backlight.enable = dcs_enable_backlight;
+ panel->backlight.disable = dcs_disable_backlight;
+ panel->backlight.set = dcs_set_backlight;
+ panel->backlight.get = dcs_get_backlight;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index e498f1c..f122484 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -95,6 +95,24 @@
{ VLV_GPIO_NC_11_PANEL1_BKLTCTL },
};
+#define CHV_GPIO_IDX_START_N 0
+#define CHV_GPIO_IDX_START_E 73
+#define CHV_GPIO_IDX_START_SW 100
+#define CHV_GPIO_IDX_START_SE 198
+
+#define CHV_VBT_MAX_PINS_PER_FMLY 15
+
+#define CHV_GPIO_PAD_CFG0(f, i) (0x4400 + (f) * 0x400 + (i) * 8)
+#define CHV_GPIO_GPIOEN (1 << 15)
+#define CHV_GPIO_GPIOCFG_GPIO (0 << 8)
+#define CHV_GPIO_GPIOCFG_GPO (1 << 8)
+#define CHV_GPIO_GPIOCFG_GPI (2 << 8)
+#define CHV_GPIO_GPIOCFG_HIZ (3 << 8)
+#define CHV_GPIO_GPIOTXSTATE(state) ((!!(state)) << 1)
+
+#define CHV_GPIO_PAD_CFG1(f, i) (0x4400 + (f) * 0x400 + (i) * 8 + 4)
+#define CHV_GPIO_CFGLOCK (1 << 31)
+
static inline enum port intel_dsi_seq_port_to_port(u8 port)
{
return port ? PORT_C : PORT_A;
@@ -203,13 +221,14 @@
map = &vlv_gpio_table[gpio_index];
if (dev_priv->vbt.dsi.seq_version >= 3) {
- DRM_DEBUG_KMS("GPIO element v3 not supported\n");
- return;
+ /* XXX: this assumes vlv_gpio_table only has NC GPIOs. */
+ port = IOSF_PORT_GPIO_NC;
} else {
if (gpio_source == 0) {
port = IOSF_PORT_GPIO_NC;
} else if (gpio_source == 1) {
- port = IOSF_PORT_GPIO_SC;
+ DRM_DEBUG_KMS("SC gpio not supported\n");
+ return;
} else {
DRM_DEBUG_KMS("unknown gpio source %u\n", gpio_source);
return;
@@ -231,6 +250,56 @@
mutex_unlock(&dev_priv->sb_lock);
}
+static void chv_exec_gpio(struct drm_i915_private *dev_priv,
+ u8 gpio_source, u8 gpio_index, bool value)
+{
+ u16 cfg0, cfg1;
+ u16 family_num;
+ u8 port;
+
+ if (dev_priv->vbt.dsi.seq_version >= 3) {
+ if (gpio_index >= CHV_GPIO_IDX_START_SE) {
+ /* XXX: it's unclear whether 255->57 is part of SE. */
+ gpio_index -= CHV_GPIO_IDX_START_SE;
+ port = CHV_IOSF_PORT_GPIO_SE;
+ } else if (gpio_index >= CHV_GPIO_IDX_START_SW) {
+ gpio_index -= CHV_GPIO_IDX_START_SW;
+ port = CHV_IOSF_PORT_GPIO_SW;
+ } else if (gpio_index >= CHV_GPIO_IDX_START_E) {
+ gpio_index -= CHV_GPIO_IDX_START_E;
+ port = CHV_IOSF_PORT_GPIO_E;
+ } else {
+ port = CHV_IOSF_PORT_GPIO_N;
+ }
+ } else {
+ /* XXX: The spec is unclear about CHV GPIO on seq v2 */
+ if (gpio_source != 0) {
+ DRM_DEBUG_KMS("unknown gpio source %u\n", gpio_source);
+ return;
+ }
+
+ if (gpio_index >= CHV_GPIO_IDX_START_E) {
+ DRM_DEBUG_KMS("invalid gpio index %u for GPIO N\n",
+ gpio_index);
+ return;
+ }
+
+ port = CHV_IOSF_PORT_GPIO_N;
+ }
+
+ family_num = gpio_index / CHV_VBT_MAX_PINS_PER_FMLY;
+ gpio_index = gpio_index % CHV_VBT_MAX_PINS_PER_FMLY;
+
+ cfg0 = CHV_GPIO_PAD_CFG0(family_num, gpio_index);
+ cfg1 = CHV_GPIO_PAD_CFG1(family_num, gpio_index);
+
+ mutex_lock(&dev_priv->sb_lock);
+ vlv_iosf_sb_write(dev_priv, port, cfg1, 0);
+ vlv_iosf_sb_write(dev_priv, port, cfg0,
+ CHV_GPIO_GPIOCFG_GPO | CHV_GPIO_GPIOTXSTATE(value));
+ mutex_unlock(&dev_priv->sb_lock);
+}
+
static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
{
struct drm_device *dev = intel_dsi->base.base.dev;
@@ -254,6 +323,8 @@
if (IS_VALLEYVIEW(dev_priv))
vlv_exec_gpio(dev_priv, gpio_source, gpio_index, value);
+ else if (IS_CHERRYVIEW(dev_priv))
+ chv_exec_gpio(dev_priv, gpio_source, gpio_index, value);
else
DRM_DEBUG_KMS("GPIO element not supported on this platform\n");
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index d5a7cfe..0dea5fb 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -740,7 +740,7 @@
/* FIXME: We lack the proper locking here, so only run this on the
* platforms that need. */
- if (INTEL_INFO(dev_priv)->gen >= 5 && INTEL_INFO(dev_priv)->gen < 7)
+ if (IS_GEN(dev_priv, 5, 6))
cache->fb.ilk_ggtt_offset = i915_gem_obj_ggtt_offset(obj);
cache->fb.pixel_format = fb->pixel_format;
cache->fb.stride = fb->pitches[0];
@@ -827,7 +827,7 @@
bool enable_by_default = IS_HASWELL(dev_priv) ||
IS_BROADWELL(dev_priv);
- if (intel_vgpu_active(dev_priv->dev)) {
+ if (intel_vgpu_active(dev_priv)) {
fbc->no_fbc_reason = "VGPU is active";
return false;
}
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index ab8d09a..99e2753 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -150,10 +150,10 @@
if (size * 2 < ggtt->stolen_usable_size)
obj = i915_gem_object_create_stolen(dev, size);
if (obj == NULL)
- obj = i915_gem_alloc_object(dev, size);
- if (!obj) {
+ obj = i915_gem_object_create(dev, size);
+ if (IS_ERR(obj)) {
DRM_ERROR("failed to allocate framebuffer\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(obj);
goto out;
}
@@ -186,9 +186,11 @@
struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct fb_info *info;
struct drm_framebuffer *fb;
+ struct i915_vma *vma;
struct drm_i915_gem_object *obj;
- int size, ret;
bool prealloc = false;
+ void *vaddr;
+ int ret;
if (intel_fb &&
(sizes->fb_width > intel_fb->base.width ||
@@ -214,7 +216,6 @@
}
obj = intel_fb->obj;
- size = obj->base.size;
mutex_lock(&dev->struct_mutex);
@@ -244,22 +245,23 @@
info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
info->fbops = &intelfb_ops;
+ vma = i915_gem_obj_to_ggtt(obj);
+
/* setup aperture base/size for vesafb takeover */
info->apertures->ranges[0].base = dev->mode_config.fb_base;
info->apertures->ranges[0].size = ggtt->mappable_end;
- info->fix.smem_start = dev->mode_config.fb_base + i915_gem_obj_ggtt_offset(obj);
- info->fix.smem_len = size;
+ info->fix.smem_start = dev->mode_config.fb_base + vma->node.start;
+ info->fix.smem_len = vma->node.size;
- info->screen_base =
- ioremap_wc(ggtt->mappable_base + i915_gem_obj_ggtt_offset(obj),
- size);
- if (!info->screen_base) {
+ vaddr = i915_vma_pin_iomap(vma);
+ if (IS_ERR(vaddr)) {
DRM_ERROR("Failed to remap framebuffer into virtual memory\n");
- ret = -ENOSPC;
+ ret = PTR_ERR(vaddr);
goto out_destroy_fbi;
}
- info->screen_size = size;
+ info->screen_base = vaddr;
+ info->screen_size = vma->node.size;
/* This driver doesn't need a VT switch to restore the mode on resume */
info->skip_vt_switch = true;
@@ -287,7 +289,7 @@
out_destroy_fbi:
drm_fb_helper_release_fbi(helper);
out_unpin:
- i915_gem_object_ggtt_unpin(obj);
+ intel_unpin_fb_obj(&ifbdev->fb->base, BIT(DRM_ROTATE_0));
out_unlock:
mutex_unlock(&dev->struct_mutex);
return ret;
@@ -551,6 +553,11 @@
if (ifbdev->fb) {
drm_framebuffer_unregister_private(&ifbdev->fb->base);
+
+ mutex_lock(&dev->struct_mutex);
+ intel_unpin_fb_obj(&ifbdev->fb->base, BIT(DRM_ROTATE_0));
+ mutex_unlock(&dev->struct_mutex);
+
drm_framebuffer_remove(&ifbdev->fb->base);
}
}
diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 876e5da..34405de 100644
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -59,9 +59,12 @@
*
*/
-#define I915_SKL_GUC_UCODE "i915/skl_guc_ver6.bin"
+#define I915_SKL_GUC_UCODE "i915/skl_guc_ver6_1.bin"
MODULE_FIRMWARE(I915_SKL_GUC_UCODE);
+#define I915_BXT_GUC_UCODE "i915/bxt_guc_ver8_7.bin"
+MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
+
/* User-friendly representation of an enum */
const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
{
@@ -281,6 +284,17 @@
return ret;
}
+static u32 guc_wopcm_size(struct drm_i915_private *dev_priv)
+{
+ u32 wopcm_size = GUC_WOPCM_TOP;
+
+ /* On BXT, the top of WOPCM is reserved for RC6 context */
+ if (IS_BROXTON(dev_priv))
+ wopcm_size -= BXT_GUC_WOPCM_RC6_RESERVED;
+
+ return wopcm_size;
+}
+
/*
* Load the GuC firmware blob into the MinuteIA.
*/
@@ -308,7 +322,7 @@
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* init WOPCM */
- I915_WRITE(GUC_WOPCM_SIZE, GUC_WOPCM_SIZE_VALUE);
+ I915_WRITE(GUC_WOPCM_SIZE, guc_wopcm_size(dev_priv));
I915_WRITE(DMA_GUC_WOPCM_OFFSET, GUC_WOPCM_OFFSET_VALUE);
/* Enable MIA caching. GuC clock gating is disabled. */
@@ -552,9 +566,7 @@
/* Header and uCode will be loaded to WOPCM. Size of the two. */
size = guc_fw->header_size + guc_fw->ucode_size;
-
- /* Top 32k of WOPCM is reserved (8K stack + 24k RC6 context). */
- if (size > GUC_WOPCM_SIZE_VALUE - 0x8000) {
+ if (size > guc_wopcm_size(dev->dev_private)) {
DRM_ERROR("Firmware is too large to fit in WOPCM\n");
goto fail;
}
@@ -640,6 +652,10 @@
fw_path = I915_SKL_GUC_UCODE;
guc_fw->guc_fw_major_wanted = 6;
guc_fw->guc_fw_minor_wanted = 1;
+ } else if (IS_BROXTON(dev)) {
+ fw_path = I915_BXT_GUC_UCODE;
+ guc_fw->guc_fw_major_wanted = 8;
+ guc_fw->guc_fw_minor_wanted = 7;
} else {
i915.enable_guc_submission = false;
fw_path = ""; /* unknown device */
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 2c3bd9c..6b52c6a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1678,35 +1678,12 @@
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- u32 val;
- /* Enable clock channels for this port */
- mutex_lock(&dev_priv->sb_lock);
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(port));
- val = 0;
- if (pipe)
- val |= (1<<21);
- else
- val &= ~(1<<21);
- val |= 0x001000c4;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW8(port), val);
+ vlv_phy_pre_encoder_enable(encoder);
/* HDMI 1.0V-2dB */
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), 0);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW4(port), 0x2b245f5f);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW2(port), 0x5578b83a);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW3(port), 0x0c782040);
- vlv_dpio_write(dev_priv, pipe, VLV_TX3_DW4(port), 0x2b247878);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW11(port), 0x00030000);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
-
- /* Program lane clock */
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW14(port), 0x00760018);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW23(port), 0x00400888);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_set_phy_signal_level(encoder, 0x2b245f5f, 0x00002000, 0x5578b83a,
+ 0x2b247878);
intel_hdmi->set_infoframes(&encoder->base,
intel_crtc->config->has_hdmi_sink,
@@ -1719,207 +1696,27 @@
static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
-
intel_hdmi_prepare(encoder);
- /* Program Tx lane resets to default */
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port),
- DPIO_PCS_TX_LANE2_RESET |
- DPIO_PCS_TX_LANE1_RESET);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port),
- DPIO_PCS_CLK_CRI_RXEB_EIOS_EN |
- DPIO_PCS_CLK_CRI_RXDIGFILTSG_EN |
- (1<<DPIO_PCS_CLK_DATAWIDTH_SHIFT) |
- DPIO_PCS_CLK_SOFT_RESET);
-
- /* Fix up inter-pair skew failure */
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW12(port), 0x00750f00);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW11(port), 0x00001500);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW14(port), 0x40400000);
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW9(port), 0x00002000);
- vlv_dpio_write(dev_priv, pipe, VLV_TX_DW5(port), DPIO_TX_OCALINIT_EN);
- mutex_unlock(&dev_priv->sb_lock);
-}
-
-static void chv_data_lane_soft_reset(struct intel_encoder *encoder,
- bool reset)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
- struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
- enum pipe pipe = crtc->pipe;
- uint32_t val;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW0(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW0(ch));
- if (reset)
- val &= ~(DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET);
- else
- val |= DPIO_PCS_TX_LANE2_RESET | DPIO_PCS_TX_LANE1_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW0(ch), val);
- }
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW1(ch), val);
-
- if (crtc->config->lane_count > 2) {
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW1(ch));
- val |= CHV_PCS_REQ_SOFTRESET_EN;
- if (reset)
- val &= ~DPIO_PCS_CLK_SOFT_RESET;
- else
- val |= DPIO_PCS_CLK_SOFT_RESET;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW1(ch), val);
- }
+ vlv_phy_pre_pll_enable(encoder);
}
static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_device *dev = encoder->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- enum pipe pipe = intel_crtc->pipe;
- u32 val;
-
intel_hdmi_prepare(encoder);
- /*
- * Must trick the second common lane into life.
- * Otherwise we can't even access the PLL.
- */
- if (ch == DPIO_CH0 && pipe == PIPE_B)
- dport->release_cl2_override =
- !chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, true);
-
- chv_phy_powergate_lanes(encoder, true, 0x0);
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* Assert data lane reset */
- chv_data_lane_soft_reset(encoder, true);
-
- /* program left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA1_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA1_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- if (ch == DPIO_CH0)
- val |= CHV_BUFLEFTENA2_FORCE;
- if (ch == DPIO_CH1)
- val |= CHV_BUFRIGHTENA2_FORCE;
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- /* program clock channel usage */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW8(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW8(ch));
- val |= CHV_PCS_USEDCLKCHANNEL_OVRRIDE;
- if (pipe != PIPE_B)
- val &= ~CHV_PCS_USEDCLKCHANNEL;
- else
- val |= CHV_PCS_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW8(ch), val);
-
- /*
- * This a a bit weird since generally CL
- * matches the pipe, but here we need to
- * pick the CL based on the port.
- */
- val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW19(ch));
- if (pipe != PIPE_B)
- val &= ~CHV_CMN_USEDCLKCHANNEL;
- else
- val |= CHV_CMN_USEDCLKCHANNEL;
- vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW19(ch), val);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_phy_pre_pll_enable(encoder);
}
static void chv_hdmi_post_pll_disable(struct intel_encoder *encoder)
{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- enum pipe pipe = to_intel_crtc(encoder->base.crtc)->pipe;
- u32 val;
-
- mutex_lock(&dev_priv->sb_lock);
-
- /* disable left/right clock distribution */
- if (pipe != PIPE_B) {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW5_CH0);
- val &= ~(CHV_BUFLEFTENA1_MASK | CHV_BUFRIGHTENA1_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW5_CH0, val);
- } else {
- val = vlv_dpio_read(dev_priv, pipe, _CHV_CMN_DW1_CH1);
- val &= ~(CHV_BUFLEFTENA2_MASK | CHV_BUFRIGHTENA2_MASK);
- vlv_dpio_write(dev_priv, pipe, _CHV_CMN_DW1_CH1, val);
- }
-
- mutex_unlock(&dev_priv->sb_lock);
-
- /*
- * Leave the power down bit cleared for at least one
- * lane so that chv_powergate_phy_ch() will power
- * on something when the channel is otherwise unused.
- * When the port is off and the override is removed
- * the lanes power down anyway, so otherwise it doesn't
- * really matter what the state of power down bits is
- * after this.
- */
- chv_phy_powergate_lanes(encoder, false, 0x0);
+ chv_phy_post_pll_disable(encoder);
}
static void vlv_hdmi_post_disable(struct intel_encoder *encoder)
{
- struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
- struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
- struct intel_crtc *intel_crtc =
- to_intel_crtc(encoder->base.crtc);
- enum dpio_channel port = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
-
/* Reset lanes to avoid HDMI flicker (VLV w/a) */
- mutex_lock(&dev_priv->sb_lock);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW0(port), 0x00000000);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS_DW1(port), 0x00e00060);
- mutex_unlock(&dev_priv->sb_lock);
+ vlv_phy_reset_lanes(encoder);
}
static void chv_hdmi_post_disable(struct intel_encoder *encoder)
@@ -1944,138 +1741,12 @@
struct intel_crtc *intel_crtc =
to_intel_crtc(encoder->base.crtc);
const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
- enum dpio_channel ch = vlv_dport_to_channel(dport);
- int pipe = intel_crtc->pipe;
- int data, i, stagger;
- u32 val;
- mutex_lock(&dev_priv->sb_lock);
-
- /* allow hardware to manage TX FIFO reset source */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val &= ~DPIO_LANEDESKEW_STRAP_OVRD;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
-
- /* Program Tx latency optimal setting */
- for (i = 0; i < 4; i++) {
- /* Set the upar bit */
- data = (i == 1) ? 0x0 : 0x1;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW14(ch, i),
- data << DPIO_UPAR_SHIFT);
- }
-
- /* Data lane stagger programming */
- if (intel_crtc->config->port_clock > 270000)
- stagger = 0x18;
- else if (intel_crtc->config->port_clock > 135000)
- stagger = 0xd;
- else if (intel_crtc->config->port_clock > 67500)
- stagger = 0x7;
- else if (intel_crtc->config->port_clock > 33750)
- stagger = 0x4;
- else
- stagger = 0x2;
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW11(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW11(ch));
- val |= DPIO_TX2_STAGGER_MASK(0x1f);
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW11(ch), val);
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(6) |
- DPIO_TX2_STAGGER_MULT(0));
-
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW12(ch),
- DPIO_LANESTAGGER_STRAP(stagger) |
- DPIO_LANESTAGGER_STRAP_OVRD |
- DPIO_TX1_STAGGER_MASK(0x1f) |
- DPIO_TX1_STAGGER_MULT(7) |
- DPIO_TX2_STAGGER_MULT(5));
-
- /* Deassert data lane reset */
- chv_data_lane_soft_reset(encoder, false);
-
- /* Clear calc init */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val &= ~(DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3);
- val &= ~(DPIO_PCS_TX1DEEMP_MASK | DPIO_PCS_TX2DEEMP_MASK);
- val |= DPIO_PCS_TX1DEEMP_9P5 | DPIO_PCS_TX2DEEMP_9P5;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW9(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW9(ch));
- val &= ~(DPIO_PCS_TX1MARGIN_MASK | DPIO_PCS_TX2MARGIN_MASK);
- val |= DPIO_PCS_TX1MARGIN_000 | DPIO_PCS_TX2MARGIN_000;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW9(ch), val);
+ chv_phy_pre_encoder_enable(encoder);
/* FIXME: Program the support xxx V-dB */
/* Use 800mV-0dB */
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW4(ch, i));
- val &= ~DPIO_SWING_DEEMPH9P5_MASK;
- val |= 128 << DPIO_SWING_DEEMPH9P5_SHIFT;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW4(ch, i), val);
- }
-
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW2(ch, i));
-
- val &= ~DPIO_SWING_MARGIN000_MASK;
- val |= 102 << DPIO_SWING_MARGIN000_SHIFT;
-
- /*
- * Supposedly this value shouldn't matter when unique transition
- * scale is disabled, but in fact it does matter. Let's just
- * always program the same value and hope it's OK.
- */
- val &= ~(0xff << DPIO_UNIQ_TRANS_SCALE_SHIFT);
- val |= 0x9a << DPIO_UNIQ_TRANS_SCALE_SHIFT;
-
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW2(ch, i), val);
- }
-
- /*
- * The document said it needs to set bit 27 for ch0 and bit 26
- * for ch1. Might be a typo in the doc.
- * For now, for this unique transition scale selection, set bit
- * 27 for ch0 and ch1.
- */
- for (i = 0; i < 4; i++) {
- val = vlv_dpio_read(dev_priv, pipe, CHV_TX_DW3(ch, i));
- val &= ~DPIO_TX_UNIQ_TRANS_SCALE_EN;
- vlv_dpio_write(dev_priv, pipe, CHV_TX_DW3(ch, i), val);
- }
-
- /* Start swing calculation */
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
-
- val = vlv_dpio_read(dev_priv, pipe, VLV_PCS23_DW10(ch));
- val |= DPIO_PCS_SWING_CALC_TX0_TX2 | DPIO_PCS_SWING_CALC_TX1_TX3;
- vlv_dpio_write(dev_priv, pipe, VLV_PCS23_DW10(ch), val);
-
- mutex_unlock(&dev_priv->sb_lock);
+ chv_set_phy_signal_level(encoder, 128, 102, false);
intel_hdmi->set_infoframes(&encoder->base,
intel_crtc->config->has_hdmi_sink,
@@ -2086,10 +1757,7 @@
vlv_wait_port_ready(dev_priv, dport, 0x0);
/* Second common lane will stay alive on its own now */
- if (dport->release_cl2_override) {
- chv_phy_powergate_ch(dev_priv, DPIO_PHY0, DPIO_CH1, false);
- dport->release_cl2_override = false;
- }
+ chv_phy_release_cl2_override(encoder);
}
static void intel_hdmi_destroy(struct drm_connector *connector)
diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c
index bee6730..38eeca7 100644
--- a/drivers/gpu/drm/i915/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/intel_hotplug.c
@@ -220,7 +220,7 @@
}
}
if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
intel_runtime_pm_put(dev_priv);
@@ -346,7 +346,7 @@
/**
* intel_hpd_irq_handler - main hotplug irq handler
- * @dev: drm device
+ * @dev_priv: drm_i915_private
* @pin_mask: a mask of hpd pins that have triggered the irq
* @long_mask: a mask of hpd pins that may be long hpd pulses
*
@@ -360,10 +360,9 @@
* Here, we do hotplug irq storm detection and mitigation, and pass further
* processing to appropriate bottom halves.
*/
-void intel_hpd_irq_handler(struct drm_device *dev,
+void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
u32 pin_mask, u32 long_mask)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int i;
enum port port;
bool storm_detected = false;
@@ -407,7 +406,7 @@
* hotplug bits itself. So only WARN about unexpected
* interrupts on saner platforms.
*/
- WARN_ONCE(!HAS_GMCH_DISPLAY(dev),
+ WARN_ONCE(!HAS_GMCH_DISPLAY(dev_priv),
"Received HPD interrupt on pin %d although disabled\n", i);
continue;
}
@@ -427,7 +426,7 @@
}
if (storm_detected)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock(&dev_priv->irq_lock);
/*
@@ -485,7 +484,7 @@
*/
spin_lock_irq(&dev_priv->irq_lock);
if (dev_priv->display.hpd_irq_setup)
- dev_priv->display.hpd_irq_setup(dev);
+ dev_priv->display.hpd_irq_setup(dev_priv);
spin_unlock_irq(&dev_priv->irq_lock);
}
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 42eac37..db10c96 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -224,9 +224,15 @@
FAULT_AND_CONTINUE /* Unsupported */
};
#define GEN8_CTX_ID_SHIFT 32
+#define GEN8_CTX_ID_WIDTH 21
#define GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x17
#define GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT 0x26
+/* Typical size of the average request (2 pipecontrols and a MI_BB) */
+#define EXECLISTS_REQUEST_SIZE 64 /* bytes */
+
+static int execlists_context_deferred_alloc(struct intel_context *ctx,
+ struct intel_engine_cs *engine);
static int intel_lr_context_pin(struct intel_context *ctx,
struct intel_engine_cs *engine);
@@ -240,23 +246,22 @@
*
* Return: 1 if Execlists is supported and has to be enabled.
*/
-int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists)
+int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv, int enable_execlists)
{
- WARN_ON(i915.enable_ppgtt == -1);
-
/* On platforms with execlist available, vGPU will only
* support execlist mode, no ring buffer mode.
*/
- if (HAS_LOGICAL_RING_CONTEXTS(dev) && intel_vgpu_active(dev))
+ if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) && intel_vgpu_active(dev_priv))
return 1;
- if (INTEL_INFO(dev)->gen >= 9)
+ if (INTEL_GEN(dev_priv) >= 9)
return 1;
if (enable_execlists == 0)
return 0;
- if (HAS_LOGICAL_RING_CONTEXTS(dev) && USES_PPGTT(dev) &&
+ if (HAS_LOGICAL_RING_CONTEXTS(dev_priv) &&
+ USES_PPGTT(dev_priv) &&
i915.use_mmio_flip >= 0)
return 1;
@@ -266,19 +271,19 @@
static void
logical_ring_init_platform_invariants(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
+ struct drm_i915_private *dev_priv = engine->i915;
- if (IS_GEN8(dev) || IS_GEN9(dev))
+ if (IS_GEN8(dev_priv) || IS_GEN9(dev_priv))
engine->idle_lite_restore_wa = ~0;
- engine->disable_lite_restore_wa = (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1)) &&
+ engine->disable_lite_restore_wa = (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) &&
(engine->id == VCS || engine->id == VCS2);
engine->ctx_desc_template = GEN8_CTX_VALID;
- engine->ctx_desc_template |= GEN8_CTX_ADDRESSING_MODE(dev) <<
+ engine->ctx_desc_template |= GEN8_CTX_ADDRESSING_MODE(dev_priv) <<
GEN8_CTX_ADDRESSING_MODE_SHIFT;
- if (IS_GEN8(dev))
+ if (IS_GEN8(dev_priv))
engine->ctx_desc_template |= GEN8_CTX_L3LLC_COHERENT;
engine->ctx_desc_template |= GEN8_CTX_PRIVILEGE;
@@ -305,23 +310,24 @@
* which remains valid until the context is unpinned.
*
* This is what a descriptor looks like, from LSB to MSB:
- * bits 0-11: flags, GEN8_CTX_* (cached in ctx_desc_template)
+ * bits 0-11: flags, GEN8_CTX_* (cached in ctx_desc_template)
* bits 12-31: LRCA, GTT address of (the HWSP of) this context
- * bits 32-51: ctx ID, a globally unique tag (the LRCA again!)
- * bits 52-63: reserved, may encode the engine ID (for GuC)
+ * bits 32-52: ctx ID, a globally unique tag
+ * bits 53-54: mbz, reserved for use by hardware
+ * bits 55-63: group ID, currently unused and set to 0
*/
static void
intel_lr_context_descriptor_update(struct intel_context *ctx,
struct intel_engine_cs *engine)
{
- uint64_t lrca, desc;
+ u64 desc;
- lrca = ctx->engine[engine->id].lrc_vma->node.start +
+ BUILD_BUG_ON(MAX_CONTEXT_HW_ID > (1<<GEN8_CTX_ID_WIDTH));
+
+ desc = engine->ctx_desc_template; /* bits 0-11 */
+ desc |= ctx->engine[engine->id].lrc_vma->node.start + /* bits 12-31 */
LRC_PPHWSP_PN * PAGE_SIZE;
-
- desc = engine->ctx_desc_template; /* bits 0-11 */
- desc |= lrca; /* bits 12-31 */
- desc |= (lrca >> PAGE_SHIFT) << GEN8_CTX_ID_SHIFT; /* bits 32-51 */
+ desc |= (u64)ctx->hw_id << GEN8_CTX_ID_SHIFT; /* bits 32-52 */
ctx->engine[engine->id].lrc_desc = desc;
}
@@ -332,35 +338,12 @@
return ctx->engine[engine->id].lrc_desc;
}
-/**
- * intel_execlists_ctx_id() - get the Execlists Context ID
- * @ctx: Context to get the ID for
- * @ring: Engine to get the ID for
- *
- * Do not confuse with ctx->id! Unfortunately we have a name overload
- * here: the old context ID we pass to userspace as a handler so that
- * they can refer to a context, and the new context ID we pass to the
- * ELSP so that the GPU can inform us of the context status via
- * interrupts.
- *
- * The context ID is a portion of the context descriptor, so we can
- * just extract the required part from the cached descriptor.
- *
- * Return: 20-bits globally unique context ID.
- */
-u32 intel_execlists_ctx_id(struct intel_context *ctx,
- struct intel_engine_cs *engine)
-{
- return intel_lr_context_descriptor(ctx, engine) >> GEN8_CTX_ID_SHIFT;
-}
-
static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
struct drm_i915_gem_request *rq1)
{
struct intel_engine_cs *engine = rq0->engine;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = rq0->i915;
uint64_t desc[2];
if (rq1) {
@@ -442,7 +425,7 @@
* If irqs are not active generate a warning as batches that finish
* without the irqs may get lost and a GPU Hang may occur.
*/
- WARN_ON(!intel_irqs_enabled(engine->dev->dev_private));
+ WARN_ON(!intel_irqs_enabled(engine->i915));
/* Try to read in pairs */
list_for_each_entry_safe(cursor, tmp, &engine->execlist_queue,
@@ -453,8 +436,8 @@
/* Same ctx: ignore first request, as second request
* will update tail past first request's workload */
cursor->elsp_submitted = req0->elsp_submitted;
- list_move_tail(&req0->execlist_link,
- &engine->execlist_retired_req_list);
+ list_del(&req0->execlist_link);
+ i915_gem_request_unreference(req0);
req0 = cursor;
} else {
req1 = cursor;
@@ -486,7 +469,7 @@
}
static unsigned int
-execlists_check_remove_request(struct intel_engine_cs *engine, u32 request_id)
+execlists_check_remove_request(struct intel_engine_cs *engine, u32 ctx_id)
{
struct drm_i915_gem_request *head_req;
@@ -496,19 +479,16 @@
struct drm_i915_gem_request,
execlist_link);
- if (!head_req)
- return 0;
-
- if (unlikely(intel_execlists_ctx_id(head_req->ctx, engine) != request_id))
- return 0;
+ if (WARN_ON(!head_req || (head_req->ctx_hw_id != ctx_id)))
+ return 0;
WARN(head_req->elsp_submitted == 0, "Never submitted head request\n");
if (--head_req->elsp_submitted > 0)
return 0;
- list_move_tail(&head_req->execlist_link,
- &engine->execlist_retired_req_list);
+ list_del(&head_req->execlist_link);
+ i915_gem_request_unreference(head_req);
return 1;
}
@@ -517,7 +497,7 @@
get_context_status(struct intel_engine_cs *engine, unsigned int read_pointer,
u32 *context_id)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 status;
read_pointer %= GEN8_CSB_ENTRIES;
@@ -543,7 +523,7 @@
static void intel_lrc_irq_handler(unsigned long data)
{
struct intel_engine_cs *engine = (struct intel_engine_cs *)data;
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 status_pointer;
unsigned int read_pointer, write_pointer;
u32 csb[GEN8_CSB_ENTRIES][2];
@@ -612,11 +592,6 @@
struct drm_i915_gem_request *cursor;
int num_elements = 0;
- if (request->ctx != request->i915->kernel_context)
- intel_lr_context_pin(request->ctx, engine);
-
- i915_gem_request_reference(request);
-
spin_lock_bh(&engine->execlist_lock);
list_for_each_entry(cursor, &engine->execlist_queue, execlist_link)
@@ -633,12 +608,14 @@
if (request->ctx == tail_req->ctx) {
WARN(tail_req->elsp_submitted != 0,
"More than 2 already-submitted reqs queued\n");
- list_move_tail(&tail_req->execlist_link,
- &engine->execlist_retired_req_list);
+ list_del(&tail_req->execlist_link);
+ i915_gem_request_unreference(tail_req);
}
}
+ i915_gem_request_reference(request);
list_add_tail(&request->execlist_link, &engine->execlist_queue);
+ request->ctx_hw_id = request->ctx->hw_id;
if (num_elements == 0)
execlists_context_unqueue(engine);
@@ -698,9 +675,22 @@
int intel_logical_ring_alloc_request_extras(struct drm_i915_gem_request *request)
{
- int ret = 0;
+ struct intel_engine_cs *engine = request->engine;
+ int ret;
- request->ringbuf = request->ctx->engine[request->engine->id].ringbuf;
+ /* Flush enough space to reduce the likelihood of waiting after
+ * we start building the request - in which case we will just
+ * have to repeat work.
+ */
+ request->reserved_space += EXECLISTS_REQUEST_SIZE;
+
+ if (request->ctx->engine[engine->id].state == NULL) {
+ ret = execlists_context_deferred_alloc(request->ctx, engine);
+ if (ret)
+ return ret;
+ }
+
+ request->ringbuf = request->ctx->engine[engine->id].ringbuf;
if (i915.enable_guc_submission) {
/*
@@ -715,9 +705,34 @@
return ret;
}
- if (request->ctx != request->i915->kernel_context)
- ret = intel_lr_context_pin(request->ctx, request->engine);
+ ret = intel_lr_context_pin(request->ctx, engine);
+ if (ret)
+ return ret;
+ ret = intel_ring_begin(request, 0);
+ if (ret)
+ goto err_unpin;
+
+ if (!request->ctx->engine[engine->id].initialised) {
+ ret = engine->init_context(request);
+ if (ret)
+ goto err_unpin;
+
+ request->ctx->engine[engine->id].initialised = true;
+ }
+
+ /* Note that after this point, we have committed to using
+ * this request as it is being used to both track the
+ * state of engine initialisation and liveness of the
+ * golden renderstate above. Think twice before you try
+ * to cancel/unwind this request now.
+ */
+
+ request->reserved_space -= EXECLISTS_REQUEST_SIZE;
+ return 0;
+
+err_unpin:
+ intel_lr_context_unpin(request->ctx, engine);
return ret;
}
@@ -753,16 +768,14 @@
if (intel_engine_stopped(engine))
return 0;
- if (engine->last_context != request->ctx) {
- if (engine->last_context)
- intel_lr_context_unpin(engine->last_context, engine);
- if (request->ctx != request->i915->kernel_context) {
- intel_lr_context_pin(request->ctx, engine);
- engine->last_context = request->ctx;
- } else {
- engine->last_context = NULL;
- }
- }
+ /* We keep the previous context alive until we retire the following
+ * request. This ensures that any the context object is still pinned
+ * for any residual writes the HW makes into it on the context switch
+ * into the next object following the breadcrumb. Otherwise, we may
+ * retire the context too early.
+ */
+ request->previous_context = engine->last_context;
+ engine->last_context = request->ctx;
if (dev_priv->guc.execbuf_client)
i915_guc_submit(dev_priv->guc.execbuf_client, request);
@@ -772,21 +785,6 @@
return 0;
}
-int intel_logical_ring_reserve_space(struct drm_i915_gem_request *request)
-{
- /*
- * The first call merely notes the reserve request and is common for
- * all back ends. The subsequent localised _begin() call actually
- * ensures that the reservation is available. Without the begin, if
- * the request creator immediately submitted the request without
- * adding any commands to it then there might not actually be
- * sufficient room for the submission commands.
- */
- intel_ring_reserved_space_reserve(request->ringbuf, MIN_SPACE_FOR_ADD_REQUEST);
-
- return intel_ring_begin(request, 0);
-}
-
/**
* execlists_submission() - submit a batchbuffer for execution, Execlists style
* @dev: DRM device.
@@ -881,28 +879,18 @@
return 0;
}
-void intel_execlists_retire_requests(struct intel_engine_cs *engine)
+void intel_execlists_cancel_requests(struct intel_engine_cs *engine)
{
struct drm_i915_gem_request *req, *tmp;
- struct list_head retired_list;
+ LIST_HEAD(cancel_list);
- WARN_ON(!mutex_is_locked(&engine->dev->struct_mutex));
- if (list_empty(&engine->execlist_retired_req_list))
- return;
+ WARN_ON(!mutex_is_locked(&engine->i915->dev->struct_mutex));
- INIT_LIST_HEAD(&retired_list);
spin_lock_bh(&engine->execlist_lock);
- list_replace_init(&engine->execlist_retired_req_list, &retired_list);
+ list_replace_init(&engine->execlist_queue, &cancel_list);
spin_unlock_bh(&engine->execlist_lock);
- list_for_each_entry_safe(req, tmp, &retired_list, execlist_link) {
- struct intel_context *ctx = req->ctx;
- struct drm_i915_gem_object *ctx_obj =
- ctx->engine[engine->id].state;
-
- if (ctx_obj && (ctx != req->i915->kernel_context))
- intel_lr_context_unpin(ctx, engine);
-
+ list_for_each_entry_safe(req, tmp, &cancel_list, execlist_link) {
list_del(&req->execlist_link);
i915_gem_request_unreference(req);
}
@@ -910,7 +898,7 @@
void intel_logical_ring_stop(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
if (!intel_engine_initialized(engine))
@@ -946,23 +934,26 @@
return 0;
}
-static int intel_lr_context_do_pin(struct intel_context *ctx,
- struct intel_engine_cs *engine)
+static int intel_lr_context_pin(struct intel_context *ctx,
+ struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *ctx_obj = ctx->engine[engine->id].state;
- struct intel_ringbuffer *ringbuf = ctx->engine[engine->id].ringbuf;
+ struct drm_i915_private *dev_priv = ctx->i915;
+ struct drm_i915_gem_object *ctx_obj;
+ struct intel_ringbuffer *ringbuf;
void *vaddr;
u32 *lrc_reg_state;
int ret;
- WARN_ON(!mutex_is_locked(&engine->dev->struct_mutex));
+ lockdep_assert_held(&ctx->i915->dev->struct_mutex);
+ if (ctx->engine[engine->id].pin_count++)
+ return 0;
+
+ ctx_obj = ctx->engine[engine->id].state;
ret = i915_gem_obj_ggtt_pin(ctx_obj, GEN8_LR_CONTEXT_ALIGN,
PIN_OFFSET_BIAS | GUC_WOPCM_TOP);
if (ret)
- return ret;
+ goto err;
vaddr = i915_gem_object_pin_map(ctx_obj);
if (IS_ERR(vaddr)) {
@@ -972,10 +963,12 @@
lrc_reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE;
- ret = intel_pin_and_map_ringbuffer_obj(engine->dev, ringbuf);
+ ringbuf = ctx->engine[engine->id].ringbuf;
+ ret = intel_pin_and_map_ringbuffer_obj(dev_priv, ringbuf);
if (ret)
goto unpin_map;
+ i915_gem_context_reference(ctx);
ctx->engine[engine->id].lrc_vma = i915_gem_obj_to_ggtt(ctx_obj);
intel_lr_context_descriptor_update(ctx, engine);
lrc_reg_state[CTX_RING_BUFFER_START+1] = ringbuf->vma->node.start;
@@ -986,31 +979,13 @@
if (i915.enable_guc_submission)
I915_WRITE(GEN8_GTCR, GEN8_GTCR_INVALIDATE);
- return ret;
+ return 0;
unpin_map:
i915_gem_object_unpin_map(ctx_obj);
unpin_ctx_obj:
i915_gem_object_ggtt_unpin(ctx_obj);
-
- return ret;
-}
-
-static int intel_lr_context_pin(struct intel_context *ctx,
- struct intel_engine_cs *engine)
-{
- int ret = 0;
-
- if (ctx->engine[engine->id].pin_count++ == 0) {
- ret = intel_lr_context_do_pin(ctx, engine);
- if (ret)
- goto reset_pin_count;
-
- i915_gem_context_reference(ctx);
- }
- return ret;
-
-reset_pin_count:
+err:
ctx->engine[engine->id].pin_count = 0;
return ret;
}
@@ -1018,19 +993,25 @@
void intel_lr_context_unpin(struct intel_context *ctx,
struct intel_engine_cs *engine)
{
- struct drm_i915_gem_object *ctx_obj = ctx->engine[engine->id].state;
+ struct drm_i915_gem_object *ctx_obj;
- WARN_ON(!mutex_is_locked(&ctx->i915->dev->struct_mutex));
- if (--ctx->engine[engine->id].pin_count == 0) {
- i915_gem_object_unpin_map(ctx_obj);
- intel_unpin_ringbuffer_obj(ctx->engine[engine->id].ringbuf);
- i915_gem_object_ggtt_unpin(ctx_obj);
- ctx->engine[engine->id].lrc_vma = NULL;
- ctx->engine[engine->id].lrc_desc = 0;
- ctx->engine[engine->id].lrc_reg_state = NULL;
+ lockdep_assert_held(&ctx->i915->dev->struct_mutex);
+ GEM_BUG_ON(ctx->engine[engine->id].pin_count == 0);
- i915_gem_context_unreference(ctx);
- }
+ if (--ctx->engine[engine->id].pin_count)
+ return;
+
+ intel_unpin_ringbuffer_obj(ctx->engine[engine->id].ringbuf);
+
+ ctx_obj = ctx->engine[engine->id].state;
+ i915_gem_object_unpin_map(ctx_obj);
+ i915_gem_object_ggtt_unpin(ctx_obj);
+
+ ctx->engine[engine->id].lrc_vma = NULL;
+ ctx->engine[engine->id].lrc_desc = 0;
+ ctx->engine[engine->id].lrc_reg_state = NULL;
+
+ i915_gem_context_unreference(ctx);
}
static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
@@ -1038,9 +1019,7 @@
int ret, i;
struct intel_engine_cs *engine = req->engine;
struct intel_ringbuffer *ringbuf = req->ringbuf;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_workarounds *w = &dev_priv->workarounds;
+ struct i915_workarounds *w = &req->i915->workarounds;
if (w->count == 0)
return 0;
@@ -1111,7 +1090,7 @@
* this batch updates GEN8_L3SQCREG4 with default value we need to
* set this bit here to retain the WA during flush.
*/
- if (IS_SKL_REVID(engine->dev, 0, SKL_REVID_E0))
+ if (IS_SKL_REVID(engine->i915, 0, SKL_REVID_E0))
l3sqc4_flush |= GEN8_LQSC_RO_PERF_DIS;
wa_ctx_emit(batch, index, (MI_STORE_REGISTER_MEM_GEN8 |
@@ -1200,7 +1179,7 @@
wa_ctx_emit(batch, index, MI_ARB_ON_OFF | MI_ARB_DISABLE);
/* WaFlushCoherentL3CacheLinesAtContextSwitch:bdw */
- if (IS_BROADWELL(engine->dev)) {
+ if (IS_BROADWELL(engine->i915)) {
int rc = gen8_emit_flush_coherentl3_wa(engine, batch, index);
if (rc < 0)
return rc;
@@ -1272,12 +1251,11 @@
uint32_t *offset)
{
int ret;
- struct drm_device *dev = engine->dev;
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
/* WaDisableCtxRestoreArbitration:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(engine->i915, 0, SKL_REVID_D0) ||
+ IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1))
wa_ctx_emit(batch, index, MI_ARB_ON_OFF | MI_ARB_DISABLE);
/* WaFlushCoherentL3CacheLinesAtContextSwitch:skl,bxt */
@@ -1298,12 +1276,11 @@
uint32_t *const batch,
uint32_t *offset)
{
- struct drm_device *dev = engine->dev;
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
/* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_SKL_REVID(engine->i915, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1)) {
wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));
wa_ctx_emit_reg(batch, index, GEN9_SLICE_COMMON_ECO_CHICKEN0);
wa_ctx_emit(batch, index,
@@ -1312,7 +1289,7 @@
}
/* WaClearTdlStateAckDirtyBits:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_B0)) {
+ if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_B0)) {
wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(4));
wa_ctx_emit_reg(batch, index, GEN8_STATE_ACK);
@@ -1331,8 +1308,8 @@
}
/* WaDisableCtxRestoreArbitration:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(engine->i915, 0, SKL_REVID_D0) ||
+ IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1))
wa_ctx_emit(batch, index, MI_ARB_ON_OFF | MI_ARB_ENABLE);
wa_ctx_emit(batch, index, MI_BATCH_BUFFER_END);
@@ -1344,11 +1321,13 @@
{
int ret;
- engine->wa_ctx.obj = i915_gem_alloc_object(engine->dev,
+ engine->wa_ctx.obj = i915_gem_object_create(engine->i915->dev,
PAGE_ALIGN(size));
- if (!engine->wa_ctx.obj) {
+ if (IS_ERR(engine->wa_ctx.obj)) {
DRM_DEBUG_DRIVER("alloc LRC WA ctx backing obj failed.\n");
- return -ENOMEM;
+ ret = PTR_ERR(engine->wa_ctx.obj);
+ engine->wa_ctx.obj = NULL;
+ return ret;
}
ret = i915_gem_obj_ggtt_pin(engine->wa_ctx.obj, PAGE_SIZE, 0);
@@ -1382,9 +1361,9 @@
WARN_ON(engine->id != RCS);
/* update this when WA for higher Gen are added */
- if (INTEL_INFO(engine->dev)->gen > 9) {
+ if (INTEL_GEN(engine->i915) > 9) {
DRM_ERROR("WA batch buffer is not initialized for Gen%d\n",
- INTEL_INFO(engine->dev)->gen);
+ INTEL_GEN(engine->i915));
return 0;
}
@@ -1404,7 +1383,7 @@
batch = kmap_atomic(page);
offset = 0;
- if (INTEL_INFO(engine->dev)->gen == 8) {
+ if (IS_GEN8(engine->i915)) {
ret = gen8_init_indirectctx_bb(engine,
&wa_ctx->indirect_ctx,
batch,
@@ -1418,7 +1397,7 @@
&offset);
if (ret)
goto out;
- } else if (INTEL_INFO(engine->dev)->gen == 9) {
+ } else if (IS_GEN9(engine->i915)) {
ret = gen9_init_indirectctx_bb(engine,
&wa_ctx->indirect_ctx,
batch,
@@ -1444,7 +1423,7 @@
static void lrc_init_hws(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
I915_WRITE(RING_HWS_PGA(engine->mmio_base),
(u32)engine->status_page.gfx_addr);
@@ -1453,8 +1432,7 @@
static int gen8_init_common_ring(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned int next_context_status_buffer_hw;
lrc_init_hws(engine);
@@ -1501,8 +1479,7 @@
static int gen8_init_render_ring(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
ret = gen8_init_common_ring(engine);
@@ -1579,7 +1556,7 @@
if (req->ctx->ppgtt &&
(intel_engine_flag(req->engine) & req->ctx->ppgtt->pd_dirty_rings)) {
if (!USES_FULL_48BIT_PPGTT(req->i915) &&
- !intel_vgpu_active(req->i915->dev)) {
+ !intel_vgpu_active(req->i915)) {
ret = intel_logical_ring_emit_pdps(req);
if (ret)
return ret;
@@ -1607,8 +1584,7 @@
static bool gen8_logical_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (WARN_ON(!intel_irqs_enabled(dev_priv)))
@@ -1627,8 +1603,7 @@
static void gen8_logical_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
@@ -1645,8 +1620,7 @@
{
struct intel_ringbuffer *ringbuf = request->ringbuf;
struct intel_engine_cs *engine = ringbuf->engine;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = request->i915;
uint32_t cmd;
int ret;
@@ -1714,7 +1688,7 @@
* On GEN9: before VF_CACHE_INVALIDATE we need to emit a NULL
* pipe control.
*/
- if (IS_GEN9(engine->dev))
+ if (IS_GEN9(request->i915))
vf_flush_wa = true;
}
@@ -1782,11 +1756,6 @@
*/
#define WA_TAIL_DWORDS 2
-static inline u32 hws_seqno_address(struct intel_engine_cs *engine)
-{
- return engine->status_page.gfx_addr + I915_GEM_HWS_INDEX_ADDR;
-}
-
static int gen8_emit_request(struct drm_i915_gem_request *request)
{
struct intel_ringbuffer *ringbuf = request->ringbuf;
@@ -1802,7 +1771,7 @@
intel_logical_ring_emit(ringbuf,
(MI_FLUSH_DW + 1) | MI_FLUSH_DW_OP_STOREDW);
intel_logical_ring_emit(ringbuf,
- hws_seqno_address(request->engine) |
+ intel_hws_seqno_address(request->engine) |
MI_FLUSH_DW_USE_GTT);
intel_logical_ring_emit(ringbuf, 0);
intel_logical_ring_emit(ringbuf, i915_gem_request_get_seqno(request));
@@ -1832,7 +1801,8 @@
(PIPE_CONTROL_GLOBAL_GTT_IVB |
PIPE_CONTROL_CS_STALL |
PIPE_CONTROL_QW_WRITE));
- intel_logical_ring_emit(ringbuf, hws_seqno_address(request->engine));
+ intel_logical_ring_emit(ringbuf,
+ intel_hws_seqno_address(request->engine));
intel_logical_ring_emit(ringbuf, 0);
intel_logical_ring_emit(ringbuf, i915_gem_request_get_seqno(request));
/* We're thrashing one dword of HWS. */
@@ -1911,7 +1881,7 @@
if (WARN_ON(test_bit(TASKLET_STATE_SCHED, &engine->irq_tasklet.state)))
tasklet_kill(&engine->irq_tasklet);
- dev_priv = engine->dev->dev_private;
+ dev_priv = engine->i915;
if (engine->buffer) {
intel_logical_ring_stop(engine);
@@ -1928,18 +1898,18 @@
i915_gem_object_unpin_map(engine->status_page.obj);
engine->status_page.obj = NULL;
}
+ intel_lr_context_unpin(dev_priv->kernel_context, engine);
engine->idle_lite_restore_wa = 0;
engine->disable_lite_restore_wa = false;
engine->ctx_desc_template = 0;
lrc_destroy_wa_ctx_obj(engine);
- engine->dev = NULL;
+ engine->i915 = NULL;
}
static void
-logical_ring_default_vfuncs(struct drm_device *dev,
- struct intel_engine_cs *engine)
+logical_ring_default_vfuncs(struct intel_engine_cs *engine)
{
/* Default vfuncs which can be overriden by each engine. */
engine->init_hw = gen8_init_common_ring;
@@ -1950,7 +1920,7 @@
engine->emit_bb_start = gen8_emit_bb_start;
engine->get_seqno = gen8_get_seqno;
engine->set_seqno = gen8_set_seqno;
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1)) {
engine->irq_seqno_barrier = bxt_a_seqno_barrier;
engine->set_seqno = bxt_a_set_seqno;
}
@@ -1961,6 +1931,7 @@
{
engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT << shift;
engine->irq_keep_mask = GT_CONTEXT_SWITCH_INTERRUPT << shift;
+ init_waitqueue_head(&engine->irq_queue);
}
static int
@@ -1981,33 +1952,69 @@
return 0;
}
-static int
-logical_ring_init(struct drm_device *dev, struct intel_engine_cs *engine)
+static const struct logical_ring_info {
+ const char *name;
+ unsigned exec_id;
+ unsigned guc_id;
+ u32 mmio_base;
+ unsigned irq_shift;
+} logical_rings[] = {
+ [RCS] = {
+ .name = "render ring",
+ .exec_id = I915_EXEC_RENDER,
+ .guc_id = GUC_RENDER_ENGINE,
+ .mmio_base = RENDER_RING_BASE,
+ .irq_shift = GEN8_RCS_IRQ_SHIFT,
+ },
+ [BCS] = {
+ .name = "blitter ring",
+ .exec_id = I915_EXEC_BLT,
+ .guc_id = GUC_BLITTER_ENGINE,
+ .mmio_base = BLT_RING_BASE,
+ .irq_shift = GEN8_BCS_IRQ_SHIFT,
+ },
+ [VCS] = {
+ .name = "bsd ring",
+ .exec_id = I915_EXEC_BSD,
+ .guc_id = GUC_VIDEO_ENGINE,
+ .mmio_base = GEN6_BSD_RING_BASE,
+ .irq_shift = GEN8_VCS1_IRQ_SHIFT,
+ },
+ [VCS2] = {
+ .name = "bsd2 ring",
+ .exec_id = I915_EXEC_BSD,
+ .guc_id = GUC_VIDEO_ENGINE2,
+ .mmio_base = GEN8_BSD2_RING_BASE,
+ .irq_shift = GEN8_VCS2_IRQ_SHIFT,
+ },
+ [VECS] = {
+ .name = "video enhancement ring",
+ .exec_id = I915_EXEC_VEBOX,
+ .guc_id = GUC_VIDEOENHANCE_ENGINE,
+ .mmio_base = VEBOX_RING_BASE,
+ .irq_shift = GEN8_VECS_IRQ_SHIFT,
+ },
+};
+
+static struct intel_engine_cs *
+logical_ring_setup(struct drm_device *dev, enum intel_engine_id id)
{
+ const struct logical_ring_info *info = &logical_rings[id];
struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_context *dctx = dev_priv->kernel_context;
+ struct intel_engine_cs *engine = &dev_priv->engine[id];
enum forcewake_domains fw_domains;
- int ret;
+
+ engine->id = id;
+ engine->name = info->name;
+ engine->exec_id = info->exec_id;
+ engine->guc_id = info->guc_id;
+ engine->mmio_base = info->mmio_base;
+
+ engine->i915 = dev_priv;
/* Intentionally left blank. */
engine->buffer = NULL;
- engine->dev = dev;
- INIT_LIST_HEAD(&engine->active_list);
- INIT_LIST_HEAD(&engine->request_list);
- i915_gem_batch_pool_init(dev, &engine->batch_pool);
- init_waitqueue_head(&engine->irq_queue);
-
- INIT_LIST_HEAD(&engine->buffers);
- INIT_LIST_HEAD(&engine->execlist_queue);
- INIT_LIST_HEAD(&engine->execlist_retired_req_list);
- spin_lock_init(&engine->execlist_lock);
-
- tasklet_init(&engine->irq_tasklet,
- intel_lrc_irq_handler, (unsigned long)engine);
-
- logical_ring_init_platform_invariants(engine);
-
fw_domains = intel_uncore_forcewake_for_reg(dev_priv,
RING_ELSP(engine),
FW_REG_WRITE);
@@ -2022,20 +2029,44 @@
engine->fw_domains = fw_domains;
+ INIT_LIST_HEAD(&engine->active_list);
+ INIT_LIST_HEAD(&engine->request_list);
+ INIT_LIST_HEAD(&engine->buffers);
+ INIT_LIST_HEAD(&engine->execlist_queue);
+ spin_lock_init(&engine->execlist_lock);
+
+ tasklet_init(&engine->irq_tasklet,
+ intel_lrc_irq_handler, (unsigned long)engine);
+
+ logical_ring_init_platform_invariants(engine);
+ logical_ring_default_vfuncs(engine);
+ logical_ring_default_irqs(engine, info->irq_shift);
+
+ intel_engine_init_hangcheck(engine);
+ i915_gem_batch_pool_init(dev, &engine->batch_pool);
+
+ return engine;
+}
+
+static int
+logical_ring_init(struct intel_engine_cs *engine)
+{
+ struct intel_context *dctx = engine->i915->kernel_context;
+ int ret;
+
ret = i915_cmd_parser_init_ring(engine);
if (ret)
goto error;
- ret = intel_lr_context_deferred_alloc(dctx, engine);
+ ret = execlists_context_deferred_alloc(dctx, engine);
if (ret)
goto error;
/* As this is the default context, always pin it */
- ret = intel_lr_context_do_pin(dctx, engine);
+ ret = intel_lr_context_pin(dctx, engine);
if (ret) {
- DRM_ERROR(
- "Failed to pin and map ringbuffer %s: %d\n",
- engine->name, ret);
+ DRM_ERROR("Failed to pin context for %s: %d\n",
+ engine->name, ret);
goto error;
}
@@ -2055,22 +2086,12 @@
static int logical_render_ring_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *engine = &dev_priv->engine[RCS];
+ struct intel_engine_cs *engine = logical_ring_setup(dev, RCS);
int ret;
- engine->name = "render ring";
- engine->id = RCS;
- engine->exec_id = I915_EXEC_RENDER;
- engine->guc_id = GUC_RENDER_ENGINE;
- engine->mmio_base = RENDER_RING_BASE;
-
- logical_ring_default_irqs(engine, GEN8_RCS_IRQ_SHIFT);
if (HAS_L3_DPF(dev))
engine->irq_keep_mask |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
- logical_ring_default_vfuncs(dev, engine);
-
/* Override some for render ring. */
if (INTEL_INFO(dev)->gen >= 9)
engine->init_hw = gen9_init_render_ring;
@@ -2081,8 +2102,6 @@
engine->emit_flush = gen8_emit_flush_render;
engine->emit_request = gen8_emit_request_render;
- engine->dev = dev;
-
ret = intel_init_pipe_control(engine);
if (ret)
return ret;
@@ -2098,7 +2117,7 @@
ret);
}
- ret = logical_ring_init(dev, engine);
+ ret = logical_ring_init(engine);
if (ret) {
lrc_destroy_wa_ctx_obj(engine);
}
@@ -2108,70 +2127,30 @@
static int logical_bsd_ring_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *engine = &dev_priv->engine[VCS];
+ struct intel_engine_cs *engine = logical_ring_setup(dev, VCS);
- engine->name = "bsd ring";
- engine->id = VCS;
- engine->exec_id = I915_EXEC_BSD;
- engine->guc_id = GUC_VIDEO_ENGINE;
- engine->mmio_base = GEN6_BSD_RING_BASE;
-
- logical_ring_default_irqs(engine, GEN8_VCS1_IRQ_SHIFT);
- logical_ring_default_vfuncs(dev, engine);
-
- return logical_ring_init(dev, engine);
+ return logical_ring_init(engine);
}
static int logical_bsd2_ring_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *engine = &dev_priv->engine[VCS2];
+ struct intel_engine_cs *engine = logical_ring_setup(dev, VCS2);
- engine->name = "bsd2 ring";
- engine->id = VCS2;
- engine->exec_id = I915_EXEC_BSD;
- engine->guc_id = GUC_VIDEO_ENGINE2;
- engine->mmio_base = GEN8_BSD2_RING_BASE;
-
- logical_ring_default_irqs(engine, GEN8_VCS2_IRQ_SHIFT);
- logical_ring_default_vfuncs(dev, engine);
-
- return logical_ring_init(dev, engine);
+ return logical_ring_init(engine);
}
static int logical_blt_ring_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *engine = &dev_priv->engine[BCS];
+ struct intel_engine_cs *engine = logical_ring_setup(dev, BCS);
- engine->name = "blitter ring";
- engine->id = BCS;
- engine->exec_id = I915_EXEC_BLT;
- engine->guc_id = GUC_BLITTER_ENGINE;
- engine->mmio_base = BLT_RING_BASE;
-
- logical_ring_default_irqs(engine, GEN8_BCS_IRQ_SHIFT);
- logical_ring_default_vfuncs(dev, engine);
-
- return logical_ring_init(dev, engine);
+ return logical_ring_init(engine);
}
static int logical_vebox_ring_init(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *engine = &dev_priv->engine[VECS];
+ struct intel_engine_cs *engine = logical_ring_setup(dev, VECS);
- engine->name = "video enhancement ring";
- engine->id = VECS;
- engine->exec_id = I915_EXEC_VEBOX;
- engine->guc_id = GUC_VIDEOENHANCE_ENGINE;
- engine->mmio_base = VEBOX_RING_BASE;
-
- logical_ring_default_irqs(engine, GEN8_VECS_IRQ_SHIFT);
- logical_ring_default_vfuncs(dev, engine);
-
- return logical_ring_init(dev, engine);
+ return logical_ring_init(engine);
}
/**
@@ -2232,7 +2211,7 @@
}
static u32
-make_rpcs(struct drm_device *dev)
+make_rpcs(struct drm_i915_private *dev_priv)
{
u32 rpcs = 0;
@@ -2240,7 +2219,7 @@
* No explicit RPCS request is needed to ensure full
* slice/subslice/EU enablement prior to Gen9.
*/
- if (INTEL_INFO(dev)->gen < 9)
+ if (INTEL_GEN(dev_priv) < 9)
return 0;
/*
@@ -2249,24 +2228,24 @@
* must make an explicit request through RPCS for full
* enablement.
*/
- if (INTEL_INFO(dev)->has_slice_pg) {
+ if (INTEL_INFO(dev_priv)->has_slice_pg) {
rpcs |= GEN8_RPCS_S_CNT_ENABLE;
- rpcs |= INTEL_INFO(dev)->slice_total <<
+ rpcs |= INTEL_INFO(dev_priv)->slice_total <<
GEN8_RPCS_S_CNT_SHIFT;
rpcs |= GEN8_RPCS_ENABLE;
}
- if (INTEL_INFO(dev)->has_subslice_pg) {
+ if (INTEL_INFO(dev_priv)->has_subslice_pg) {
rpcs |= GEN8_RPCS_SS_CNT_ENABLE;
- rpcs |= INTEL_INFO(dev)->subslice_per_slice <<
+ rpcs |= INTEL_INFO(dev_priv)->subslice_per_slice <<
GEN8_RPCS_SS_CNT_SHIFT;
rpcs |= GEN8_RPCS_ENABLE;
}
- if (INTEL_INFO(dev)->has_eu_pg) {
- rpcs |= INTEL_INFO(dev)->eu_per_subslice <<
+ if (INTEL_INFO(dev_priv)->has_eu_pg) {
+ rpcs |= INTEL_INFO(dev_priv)->eu_per_subslice <<
GEN8_RPCS_EU_MIN_SHIFT;
- rpcs |= INTEL_INFO(dev)->eu_per_subslice <<
+ rpcs |= INTEL_INFO(dev_priv)->eu_per_subslice <<
GEN8_RPCS_EU_MAX_SHIFT;
rpcs |= GEN8_RPCS_ENABLE;
}
@@ -2278,9 +2257,9 @@
{
u32 indirect_ctx_offset;
- switch (INTEL_INFO(engine->dev)->gen) {
+ switch (INTEL_GEN(engine->i915)) {
default:
- MISSING_CASE(INTEL_INFO(engine->dev)->gen);
+ MISSING_CASE(INTEL_GEN(engine->i915));
/* fall through */
case 9:
indirect_ctx_offset =
@@ -2301,8 +2280,7 @@
struct intel_engine_cs *engine,
struct intel_ringbuffer *ringbuf)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = ctx->i915;
struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
void *vaddr;
u32 *reg_state;
@@ -2340,7 +2318,7 @@
RING_CONTEXT_CONTROL(engine),
_MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH |
CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT |
- (HAS_RESOURCE_STREAMER(dev) ?
+ (HAS_RESOURCE_STREAMER(dev_priv) ?
CTX_CTRL_RS_CTX_ENABLE : 0)));
ASSIGN_CTX_REG(reg_state, CTX_RING_HEAD, RING_HEAD(engine->mmio_base),
0);
@@ -2429,7 +2407,7 @@
if (engine->id == RCS) {
reg_state[CTX_LRI_HEADER_2] = MI_LOAD_REGISTER_IMM(1);
ASSIGN_CTX_REG(reg_state, CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE,
- make_rpcs(dev));
+ make_rpcs(dev_priv));
}
i915_gem_object_unpin_map(ctx_obj);
@@ -2456,12 +2434,6 @@
if (!ctx_obj)
continue;
- if (ctx == ctx->i915->kernel_context) {
- intel_unpin_ringbuffer_obj(ringbuf);
- i915_gem_object_ggtt_unpin(ctx_obj);
- i915_gem_object_unpin_map(ctx_obj);
- }
-
WARN_ON(ctx->engine[i].pin_count);
intel_ringbuffer_free(ringbuf);
drm_gem_object_unreference(&ctx_obj->base);
@@ -2486,11 +2458,11 @@
{
int ret = 0;
- WARN_ON(INTEL_INFO(engine->dev)->gen < 8);
+ WARN_ON(INTEL_GEN(engine->i915) < 8);
switch (engine->id) {
case RCS:
- if (INTEL_INFO(engine->dev)->gen >= 9)
+ if (INTEL_GEN(engine->i915) >= 9)
ret = GEN9_LR_CONTEXT_RENDER_SIZE;
else
ret = GEN8_LR_CONTEXT_RENDER_SIZE;
@@ -2507,9 +2479,9 @@
}
/**
- * intel_lr_context_deferred_alloc() - create the LRC specific bits of a context
+ * execlists_context_deferred_alloc() - create the LRC specific bits of a context
* @ctx: LR context to create.
- * @ring: engine to be used with the context.
+ * @engine: engine to be used with the context.
*
* This function can be called more than once, with different engines, if we plan
* to use the context with them. The context backing objects and the ringbuffers
@@ -2519,11 +2491,9 @@
*
* Return: non-zero on error.
*/
-
-int intel_lr_context_deferred_alloc(struct intel_context *ctx,
- struct intel_engine_cs *engine)
+static int execlists_context_deferred_alloc(struct intel_context *ctx,
+ struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
struct drm_i915_gem_object *ctx_obj;
uint32_t context_size;
struct intel_ringbuffer *ringbuf;
@@ -2537,10 +2507,10 @@
/* One extra page as the sharing data between driver and GuC */
context_size += PAGE_SIZE * LRC_PPHWSP_PN;
- ctx_obj = i915_gem_alloc_object(dev, context_size);
- if (!ctx_obj) {
+ ctx_obj = i915_gem_object_create(ctx->i915->dev, context_size);
+ if (IS_ERR(ctx_obj)) {
DRM_DEBUG_DRIVER("Alloc LRC backing obj failed.\n");
- return -ENOMEM;
+ return PTR_ERR(ctx_obj);
}
ringbuf = intel_engine_create_ringbuffer(engine, 4 * PAGE_SIZE);
@@ -2557,25 +2527,8 @@
ctx->engine[engine->id].ringbuf = ringbuf;
ctx->engine[engine->id].state = ctx_obj;
+ ctx->engine[engine->id].initialised = engine->init_context == NULL;
- if (ctx != ctx->i915->kernel_context && engine->init_context) {
- struct drm_i915_gem_request *req;
-
- req = i915_gem_request_alloc(engine, ctx);
- if (IS_ERR(req)) {
- ret = PTR_ERR(req);
- DRM_ERROR("ring create req: %d\n", ret);
- goto error_ringbuf;
- }
-
- ret = engine->init_context(req);
- i915_add_request_no_flush(req);
- if (ret) {
- DRM_ERROR("ring init context: %d\n",
- ret);
- goto error_ringbuf;
- }
- }
return 0;
error_ringbuf:
diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h
index 60a7385..1afba03 100644
--- a/drivers/gpu/drm/i915/intel_lrc.h
+++ b/drivers/gpu/drm/i915/intel_lrc.h
@@ -101,8 +101,6 @@
void intel_lr_context_free(struct intel_context *ctx);
uint32_t intel_lr_context_size(struct intel_engine_cs *engine);
-int intel_lr_context_deferred_alloc(struct intel_context *ctx,
- struct intel_engine_cs *engine);
void intel_lr_context_unpin(struct intel_context *ctx,
struct intel_engine_cs *engine);
@@ -113,16 +111,14 @@
uint64_t intel_lr_context_descriptor(struct intel_context *ctx,
struct intel_engine_cs *engine);
-u32 intel_execlists_ctx_id(struct intel_context *ctx,
- struct intel_engine_cs *engine);
-
/* Execlists */
-int intel_sanitize_enable_execlists(struct drm_device *dev, int enable_execlists);
+int intel_sanitize_enable_execlists(struct drm_i915_private *dev_priv,
+ int enable_execlists);
struct i915_execbuffer_params;
int intel_execlists_submission(struct i915_execbuffer_params *params,
struct drm_i915_gem_execbuffer2 *args,
struct list_head *vmas);
-void intel_execlists_retire_requests(struct intel_engine_cs *engine);
+void intel_execlists_cancel_requests(struct intel_engine_cs *engine);
#endif /* _INTEL_LRC_H_ */
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index bc53c0d..d65fd94 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -190,7 +190,7 @@
/* Set the dithering flag on LVDS as needed, note that there is no
* special lvds dither control bit on pch-split platforms, dithering is
* only controlled through the PIPECONF reg. */
- if (INTEL_INFO(dev)->gen == 4) {
+ if (IS_GEN4(dev_priv)) {
/* Bspec wording suggests that LVDS port dithering only exists
* for 18bpp panels. */
if (crtc->config->dither && crtc->config->pipe_bpp == 18)
diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c
index 6ba4bf7..b765c75 100644
--- a/drivers/gpu/drm/i915/intel_mocs.c
+++ b/drivers/gpu/drm/i915/intel_mocs.c
@@ -189,7 +189,7 @@
*/
int intel_mocs_init_engine(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
struct drm_i915_mocs_table table;
unsigned int index;
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 99e2603..8347fd8 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -574,10 +574,8 @@
asle->aslc = aslc_stat;
}
-void intel_opregion_asle_intr(struct drm_device *dev)
+void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (dev_priv->opregion.asle)
schedule_work(&dev_priv->opregion.asle_work);
}
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index bd38e49..eb93f90 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -168,7 +168,7 @@
};
struct intel_overlay {
- struct drm_device *dev;
+ struct drm_i915_private *i915;
struct intel_crtc *crtc;
struct drm_i915_gem_object *vid_bo;
struct drm_i915_gem_object *old_vid_bo;
@@ -190,15 +190,15 @@
static struct overlay_registers __iomem *
intel_overlay_map_regs(struct intel_overlay *overlay)
{
- struct drm_i915_private *dev_priv = to_i915(overlay->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct overlay_registers __iomem *regs;
- if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ if (OVERLAY_NEEDS_PHYSICAL(dev_priv))
regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
else
- regs = io_mapping_map_wc(ggtt->mappable,
- i915_gem_obj_ggtt_offset(overlay->reg_bo));
+ regs = io_mapping_map_wc(dev_priv->ggtt.mappable,
+ overlay->flip_addr,
+ PAGE_SIZE);
return regs;
}
@@ -206,7 +206,7 @@
static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
struct overlay_registers __iomem *regs)
{
- if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915))
io_mapping_unmap(regs);
}
@@ -232,14 +232,13 @@
/* overlay needs to be disable in OCMD reg */
static int intel_overlay_on(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct intel_engine_cs *engine = &dev_priv->engine[RCS];
struct drm_i915_gem_request *req;
int ret;
WARN_ON(overlay->active);
- WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
+ WARN_ON(IS_I830(dev_priv) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
req = i915_gem_request_alloc(engine, NULL);
if (IS_ERR(req))
@@ -266,8 +265,7 @@
static int intel_overlay_continue(struct intel_overlay *overlay,
bool load_polyphase_filter)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct intel_engine_cs *engine = &dev_priv->engine[RCS];
struct drm_i915_gem_request *req;
u32 flip_addr = overlay->flip_addr;
@@ -335,8 +333,7 @@
/* overlay needs to be disabled in OCMD reg */
static int intel_overlay_off(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct intel_engine_cs *engine = &dev_priv->engine[RCS];
struct drm_i915_gem_request *req;
u32 flip_addr = overlay->flip_addr;
@@ -365,7 +362,7 @@
intel_ring_emit(engine, flip_addr);
intel_ring_emit(engine, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
/* turn overlay off */
- if (IS_I830(dev)) {
+ if (IS_I830(dev_priv)) {
/* Workaround: Don't disable the overlay fully, since otherwise
* it dies on the next OVERLAY_ON cmd. */
intel_ring_emit(engine, MI_NOOP);
@@ -408,12 +405,11 @@
*/
static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct intel_engine_cs *engine = &dev_priv->engine[RCS];
int ret;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
+ lockdep_assert_held(&dev_priv->dev->struct_mutex);
/* Only wait if there is actually an old frame to release to
* guarantee forward progress.
@@ -537,10 +533,10 @@
}
}
-static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width)
+static u32 calc_swidthsw(struct drm_i915_private *dev_priv, u32 offset, u32 width)
{
u32 mask, shift, ret;
- if (IS_GEN2(dev)) {
+ if (IS_GEN2(dev_priv)) {
mask = 0x1f;
shift = 5;
} else {
@@ -548,7 +544,7 @@
shift = 6;
}
ret = ((offset + width + mask) >> shift) - (offset >> shift);
- if (!IS_GEN2(dev))
+ if (!IS_GEN2(dev_priv))
ret <<= 1;
ret -= 1;
return ret << 2;
@@ -741,12 +737,12 @@
int ret, tmp_width;
struct overlay_registers __iomem *regs;
bool scale_changed = false;
- struct drm_device *dev = overlay->dev;
+ struct drm_i915_private *dev_priv = overlay->i915;
u32 swidth, swidthsw, sheight, ostride;
enum pipe pipe = overlay->crtc->pipe;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
+ lockdep_assert_held(&dev_priv->dev->struct_mutex);
+ WARN_ON(!drm_modeset_is_locked(&dev_priv->dev->mode_config.connection_mutex));
ret = intel_overlay_release_old_vid(overlay);
if (ret != 0)
@@ -769,7 +765,7 @@
goto out_unpin;
}
oconfig = OCONF_CC_OUT_8BIT;
- if (IS_GEN4(overlay->dev))
+ if (IS_GEN4(dev_priv))
oconfig |= OCONF_CSC_MODE_BT709;
oconfig |= pipe == 0 ?
OCONF_PIPE_A : OCONF_PIPE_B;
@@ -796,7 +792,7 @@
tmp_width = params->src_w;
swidth = params->src_w;
- swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width);
+ swidthsw = calc_swidthsw(dev_priv, params->offset_Y, tmp_width);
sheight = params->src_h;
iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, ®s->OBUF_0Y);
ostride = params->stride_Y;
@@ -806,9 +802,9 @@
int uv_vscale = uv_vsubsampling(params->format);
u32 tmp_U, tmp_V;
swidth |= (params->src_w/uv_hscale) << 16;
- tmp_U = calc_swidthsw(overlay->dev, params->offset_U,
+ tmp_U = calc_swidthsw(dev_priv, params->offset_U,
params->src_w/uv_hscale);
- tmp_V = calc_swidthsw(overlay->dev, params->offset_V,
+ tmp_V = calc_swidthsw(dev_priv, params->offset_V,
params->src_w/uv_hscale);
swidthsw |= max_t(u32, tmp_U, tmp_V) << 16;
sheight |= (params->src_h/uv_vscale) << 16;
@@ -840,8 +836,7 @@
overlay->old_vid_bo = overlay->vid_bo;
overlay->vid_bo = new_bo;
- intel_frontbuffer_flip(dev,
- INTEL_FRONTBUFFER_OVERLAY(pipe));
+ intel_frontbuffer_flip(dev_priv->dev, INTEL_FRONTBUFFER_OVERLAY(pipe));
return 0;
@@ -852,12 +847,12 @@
int intel_overlay_switch_off(struct intel_overlay *overlay)
{
+ struct drm_i915_private *dev_priv = overlay->i915;
struct overlay_registers __iomem *regs;
- struct drm_device *dev = overlay->dev;
int ret;
- WARN_ON(!mutex_is_locked(&dev->struct_mutex));
- WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
+ lockdep_assert_held(&dev_priv->dev->struct_mutex);
+ WARN_ON(!drm_modeset_is_locked(&dev_priv->dev->mode_config.connection_mutex));
ret = intel_overlay_recover_from_interrupt(overlay);
if (ret != 0)
@@ -897,15 +892,14 @@
static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = overlay->i915;
u32 pfit_control = I915_READ(PFIT_CONTROL);
u32 ratio;
/* XXX: This is not the same logic as in the xorg driver, but more in
* line with the intel documentation for the i965
*/
- if (INTEL_INFO(dev)->gen >= 4) {
+ if (INTEL_GEN(dev_priv) >= 4) {
/* on i965 use the PGM reg to read out the autoscaler values */
ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
} else {
@@ -948,7 +942,7 @@
return 0;
}
-static int check_overlay_src(struct drm_device *dev,
+static int check_overlay_src(struct drm_i915_private *dev_priv,
struct drm_intel_overlay_put_image *rec,
struct drm_i915_gem_object *new_bo)
{
@@ -959,7 +953,7 @@
u32 tmp;
/* check src dimensions */
- if (IS_845G(dev) || IS_I830(dev)) {
+ if (IS_845G(dev_priv) || IS_I830(dev_priv)) {
if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY ||
rec->src_width > IMAGE_MAX_WIDTH_LEGACY)
return -EINVAL;
@@ -1011,14 +1005,14 @@
return -EINVAL;
/* stride checking */
- if (IS_I830(dev) || IS_845G(dev))
+ if (IS_I830(dev_priv) || IS_845G(dev_priv))
stride_mask = 255;
else
stride_mask = 63;
if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)
return -EINVAL;
- if (IS_GEN4(dev) && rec->stride_Y < 512)
+ if (IS_GEN4(dev_priv) && rec->stride_Y < 512)
return -EINVAL;
tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ?
@@ -1063,13 +1057,13 @@
* Return the pipe currently connected to the panel fitter,
* or -1 if the panel fitter is not present or not in use
*/
-static int intel_panel_fitter_pipe(struct drm_device *dev)
+static int intel_panel_fitter_pipe(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 pfit_control;
/* i830 doesn't have a panel fitter */
- if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
+ if (INTEL_GEN(dev_priv) <= 3 &&
+ (IS_I830(dev_priv) || !IS_MOBILE(dev_priv)))
return -1;
pfit_control = I915_READ(PFIT_CONTROL);
@@ -1079,15 +1073,15 @@
return -1;
/* 965 can place panel fitter on either pipe */
- if (IS_GEN4(dev))
+ if (IS_GEN4(dev_priv))
return (pfit_control >> 29) & 0x3;
/* older chips can only use pipe 1 */
return 1;
}
-int intel_overlay_put_image(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_intel_overlay_put_image *put_image_rec = data;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1162,7 +1156,7 @@
/* line too wide, i.e. one-line-mode */
if (mode->hdisplay > 1024 &&
- intel_panel_fitter_pipe(dev) == crtc->pipe) {
+ intel_panel_fitter_pipe(dev_priv) == crtc->pipe) {
overlay->pfit_active = true;
update_pfit_vscale_ratio(overlay);
} else
@@ -1196,7 +1190,7 @@
goto out_unlock;
}
- ret = check_overlay_src(dev, put_image_rec, new_bo);
+ ret = check_overlay_src(dev_priv, put_image_rec, new_bo);
if (ret != 0)
goto out_unlock;
params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK;
@@ -1284,8 +1278,8 @@
return 0;
}
-int intel_overlay_attrs(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
struct drm_intel_overlay_attrs *attrs = data;
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1309,7 +1303,7 @@
attrs->contrast = overlay->contrast;
attrs->saturation = overlay->saturation;
- if (!IS_GEN2(dev)) {
+ if (!IS_GEN2(dev_priv)) {
attrs->gamma0 = I915_READ(OGAMC0);
attrs->gamma1 = I915_READ(OGAMC1);
attrs->gamma2 = I915_READ(OGAMC2);
@@ -1341,7 +1335,7 @@
intel_overlay_unmap_regs(overlay, regs);
if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) {
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
goto out_unlock;
if (overlay->active) {
@@ -1371,37 +1365,36 @@
return ret;
}
-void intel_setup_overlay(struct drm_device *dev)
+void intel_setup_overlay(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_overlay *overlay;
struct drm_i915_gem_object *reg_bo;
struct overlay_registers __iomem *regs;
int ret;
- if (!HAS_OVERLAY(dev))
+ if (!HAS_OVERLAY(dev_priv))
return;
overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
if (!overlay)
return;
- mutex_lock(&dev->struct_mutex);
+ mutex_lock(&dev_priv->dev->struct_mutex);
if (WARN_ON(dev_priv->overlay))
goto out_free;
- overlay->dev = dev;
+ overlay->i915 = dev_priv;
reg_bo = NULL;
- if (!OVERLAY_NEEDS_PHYSICAL(dev))
- reg_bo = i915_gem_object_create_stolen(dev, PAGE_SIZE);
+ if (!OVERLAY_NEEDS_PHYSICAL(dev_priv))
+ reg_bo = i915_gem_object_create_stolen(dev_priv->dev, PAGE_SIZE);
if (reg_bo == NULL)
- reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE);
- if (reg_bo == NULL)
+ reg_bo = i915_gem_object_create(dev_priv->dev, PAGE_SIZE);
+ if (IS_ERR(reg_bo))
goto out_free;
overlay->reg_bo = reg_bo;
- if (OVERLAY_NEEDS_PHYSICAL(dev)) {
+ if (OVERLAY_NEEDS_PHYSICAL(dev_priv)) {
ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE);
if (ret) {
DRM_ERROR("failed to attach phys overlay regs\n");
@@ -1441,25 +1434,23 @@
intel_overlay_unmap_regs(overlay, regs);
dev_priv->overlay = overlay;
- mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev_priv->dev->struct_mutex);
DRM_INFO("initialized overlay support\n");
return;
out_unpin_bo:
- if (!OVERLAY_NEEDS_PHYSICAL(dev))
+ if (!OVERLAY_NEEDS_PHYSICAL(dev_priv))
i915_gem_object_ggtt_unpin(reg_bo);
out_free_bo:
drm_gem_object_unreference(®_bo->base);
out_free:
- mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev_priv->dev->struct_mutex);
kfree(overlay);
return;
}
-void intel_cleanup_overlay(struct drm_device *dev)
+void intel_cleanup_overlay(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (!dev_priv->overlay)
return;
@@ -1482,18 +1473,17 @@
static struct overlay_registers __iomem *
intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
{
- struct drm_i915_private *dev_priv = to_i915(overlay->dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
+ struct drm_i915_private *dev_priv = overlay->i915;
struct overlay_registers __iomem *regs;
- if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ if (OVERLAY_NEEDS_PHYSICAL(dev_priv))
/* Cast to make sparse happy, but it's wc memory anyway, so
* equivalent to the wc io mapping on X86. */
regs = (struct overlay_registers __iomem *)
overlay->reg_bo->phys_handle->vaddr;
else
- regs = io_mapping_map_atomic_wc(ggtt->mappable,
- i915_gem_obj_ggtt_offset(overlay->reg_bo));
+ regs = io_mapping_map_atomic_wc(dev_priv->ggtt.mappable,
+ overlay->flip_addr);
return regs;
}
@@ -1501,15 +1491,13 @@
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
struct overlay_registers __iomem *regs)
{
- if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
+ if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915))
io_mapping_unmap_atomic(regs);
}
-
struct intel_overlay_error_state *
-intel_overlay_capture_error_state(struct drm_device *dev)
+intel_overlay_capture_error_state(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_overlay *overlay = dev_priv->overlay;
struct intel_overlay_error_state *error;
struct overlay_registers __iomem *regs;
@@ -1523,10 +1511,7 @@
error->dovsta = I915_READ(DOVSTA);
error->isr = I915_READ(ISR);
- if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
- error->base = (__force long)overlay->reg_bo->phys_handle->vaddr;
- else
- error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo);
+ error->base = overlay->flip_addr;
regs = intel_overlay_map_regs_atomic(overlay);
if (!regs)
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 8357d57..f0b1602c 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1724,6 +1724,14 @@
container_of(panel, struct intel_connector, panel);
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+ if (connector->base.connector_type == DRM_MODE_CONNECTOR_eDP &&
+ intel_dp_aux_init_backlight_funcs(connector) == 0)
+ return;
+
+ if (connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&
+ intel_dsi_dcs_init_backlight_funcs(connector) == 0)
+ return;
+
if (IS_BROXTON(dev_priv)) {
panel->backlight.setup = bxt_setup_backlight;
panel->backlight.enable = bxt_enable_backlight;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a7ef45d..29bdd79 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -58,6 +58,10 @@
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ /* See Bspec note for PSR2_CTL bit 31, Wa#828:bxt */
+ I915_WRITE(CHICKEN_PAR1_1,
+ I915_READ(CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP);
+
/* WaDisableSDEUnitClockGating:bxt */
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
@@ -2012,10 +2016,10 @@
}
static uint32_t
-hsw_compute_linetime_wm(struct drm_device *dev,
- struct intel_crtc_state *cstate)
+hsw_compute_linetime_wm(const struct intel_crtc_state *cstate)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ const struct intel_atomic_state *intel_state =
+ to_intel_atomic_state(cstate->base.state);
const struct drm_display_mode *adjusted_mode =
&cstate->base.adjusted_mode;
u32 linetime, ips_linetime;
@@ -2024,7 +2028,7 @@
return 0;
if (WARN_ON(adjusted_mode->crtc_clock == 0))
return 0;
- if (WARN_ON(dev_priv->cdclk_freq == 0))
+ if (WARN_ON(intel_state->cdclk == 0))
return 0;
/* The WM are computed with base on how long it takes to fill a single
@@ -2033,7 +2037,7 @@
linetime = DIV_ROUND_CLOSEST(adjusted_mode->crtc_htotal * 1000 * 8,
adjusted_mode->crtc_clock);
ips_linetime = DIV_ROUND_CLOSEST(adjusted_mode->crtc_htotal * 1000 * 8,
- dev_priv->cdclk_freq);
+ intel_state->cdclk);
return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) |
PIPE_WM_LINETIME_TIME(linetime);
@@ -2146,14 +2150,14 @@
static void intel_fixup_spr_wm_latency(struct drm_device *dev, uint16_t wm[5])
{
/* ILK sprite LP0 latency is 1300 ns */
- if (INTEL_INFO(dev)->gen == 5)
+ if (IS_GEN5(dev))
wm[0] = 13;
}
static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5])
{
/* ILK cursor LP0 latency is 1300 ns */
- if (INTEL_INFO(dev)->gen == 5)
+ if (IS_GEN5(dev))
wm[0] = 13;
/* WaDoubleCursorLP3Latency:ivb */
@@ -2309,7 +2313,7 @@
int level, max_level = ilk_wm_max_level(dev), usable_level;
struct ilk_wm_maximums max;
- pipe_wm = &cstate->wm.optimal.ilk;
+ pipe_wm = &cstate->wm.ilk.optimal;
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
struct intel_plane_state *ps;
@@ -2352,7 +2356,7 @@
pipe_wm->wm[0] = pipe_wm->raw_wm[0];
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
- pipe_wm->linetime = hsw_compute_linetime_wm(dev, cstate);
+ pipe_wm->linetime = hsw_compute_linetime_wm(cstate);
if (!ilk_validate_pipe_wm(dev, pipe_wm))
return -EINVAL;
@@ -2391,7 +2395,7 @@
struct intel_crtc *intel_crtc,
struct intel_crtc_state *newstate)
{
- struct intel_pipe_wm *a = &newstate->wm.intermediate;
+ struct intel_pipe_wm *a = &newstate->wm.ilk.intermediate;
struct intel_pipe_wm *b = &intel_crtc->wm.active.ilk;
int level, max_level = ilk_wm_max_level(dev);
@@ -2400,7 +2404,7 @@
* currently active watermarks to get values that are safe both before
* and after the vblank.
*/
- *a = newstate->wm.optimal.ilk;
+ *a = newstate->wm.ilk.optimal;
a->pipe_enabled |= b->pipe_enabled;
a->sprites_enabled |= b->sprites_enabled;
a->sprites_scaled |= b->sprites_scaled;
@@ -2429,7 +2433,7 @@
* If our intermediate WM are identical to the final WM, then we can
* omit the post-vblank programming; only update if it's different.
*/
- if (memcmp(a, &newstate->wm.optimal.ilk, sizeof(*a)) == 0)
+ if (memcmp(a, &newstate->wm.ilk.optimal, sizeof(*a)) == 0)
newstate->wm.need_postvbl_update = false;
return 0;
@@ -2849,20 +2853,29 @@
static void
skl_ddb_get_pipe_allocation_limits(struct drm_device *dev,
const struct intel_crtc_state *cstate,
- const struct intel_wm_config *config,
- struct skl_ddb_entry *alloc /* out */)
+ struct skl_ddb_entry *alloc, /* out */
+ int *num_active /* out */)
{
+ struct drm_atomic_state *state = cstate->base.state;
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_crtc *for_crtc = cstate->base.crtc;
- struct drm_crtc *crtc;
unsigned int pipe_size, ddb_size;
int nth_active_pipe;
+ int pipe = to_intel_crtc(for_crtc)->pipe;
- if (!cstate->base.active) {
+ if (WARN_ON(!state) || !cstate->base.active) {
alloc->start = 0;
alloc->end = 0;
+ *num_active = hweight32(dev_priv->active_crtcs);
return;
}
+ if (intel_state->active_pipe_changes)
+ *num_active = hweight32(intel_state->active_crtcs);
+ else
+ *num_active = hweight32(dev_priv->active_crtcs);
+
if (IS_BROXTON(dev))
ddb_size = BXT_DDB_SIZE;
else
@@ -2870,25 +2883,29 @@
ddb_size -= 4; /* 4 blocks for bypass path allocation */
- nth_active_pipe = 0;
- for_each_crtc(dev, crtc) {
- if (!to_intel_crtc(crtc)->active)
- continue;
-
- if (crtc == for_crtc)
- break;
-
- nth_active_pipe++;
+ /*
+ * If the state doesn't change the active CRTC's, then there's
+ * no need to recalculate; the existing pipe allocation limits
+ * should remain unchanged. Note that we're safe from racing
+ * commits since any racing commit that changes the active CRTC
+ * list would need to grab _all_ crtc locks, including the one
+ * we currently hold.
+ */
+ if (!intel_state->active_pipe_changes) {
+ *alloc = dev_priv->wm.skl_hw.ddb.pipe[pipe];
+ return;
}
- pipe_size = ddb_size / config->num_pipes_active;
- alloc->start = nth_active_pipe * ddb_size / config->num_pipes_active;
+ nth_active_pipe = hweight32(intel_state->active_crtcs &
+ (drm_crtc_mask(for_crtc) - 1));
+ pipe_size = ddb_size / hweight32(intel_state->active_crtcs);
+ alloc->start = nth_active_pipe * ddb_size / *num_active;
alloc->end = alloc->start + pipe_size;
}
-static unsigned int skl_cursor_allocation(const struct intel_wm_config *config)
+static unsigned int skl_cursor_allocation(int num_active)
{
- if (config->num_pipes_active == 1)
+ if (num_active == 1)
return 32;
return 8;
@@ -2940,6 +2957,14 @@
struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate);
struct drm_framebuffer *fb = pstate->fb;
uint32_t width = 0, height = 0;
+ unsigned format = fb ? fb->pixel_format : DRM_FORMAT_XRGB8888;
+
+ if (!intel_pstate->visible)
+ return 0;
+ if (pstate->plane->type == DRM_PLANE_TYPE_CURSOR)
+ return 0;
+ if (y && format != DRM_FORMAT_NV12)
+ return 0;
width = drm_rect_width(&intel_pstate->src) >> 16;
height = drm_rect_height(&intel_pstate->src) >> 16;
@@ -2948,17 +2973,17 @@
swap(width, height);
/* for planar format */
- if (fb->pixel_format == DRM_FORMAT_NV12) {
+ if (format == DRM_FORMAT_NV12) {
if (y) /* y-plane data rate */
return width * height *
- drm_format_plane_cpp(fb->pixel_format, 0);
+ drm_format_plane_cpp(format, 0);
else /* uv-plane data rate */
return (width / 2) * (height / 2) *
- drm_format_plane_cpp(fb->pixel_format, 1);
+ drm_format_plane_cpp(format, 1);
}
/* for packed formats */
- return width * height * drm_format_plane_cpp(fb->pixel_format, 0);
+ return width * height * drm_format_plane_cpp(format, 0);
}
/*
@@ -2967,86 +2992,128 @@
* 3 * 4096 * 8192 * 4 < 2^32
*/
static unsigned int
-skl_get_total_relative_data_rate(const struct intel_crtc_state *cstate)
+skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
- struct drm_device *dev = intel_crtc->base.dev;
+ struct drm_crtc_state *cstate = &intel_cstate->base;
+ struct drm_atomic_state *state = cstate->state;
+ struct drm_crtc *crtc = cstate->crtc;
+ struct drm_device *dev = crtc->dev;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ const struct drm_plane *plane;
const struct intel_plane *intel_plane;
- unsigned int total_data_rate = 0;
+ struct drm_plane_state *pstate;
+ unsigned int rate, total_data_rate = 0;
+ int id;
+ int i;
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- const struct drm_plane_state *pstate = intel_plane->base.state;
+ if (WARN_ON(!state))
+ return 0;
- if (pstate->fb == NULL)
- continue;
+ /* Calculate and cache data rate for each plane */
+ for_each_plane_in_state(state, plane, pstate, i) {
+ id = skl_wm_plane_id(to_intel_plane(plane));
+ intel_plane = to_intel_plane(plane);
- if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR)
+ if (intel_plane->pipe != intel_crtc->pipe)
continue;
/* packed/uv */
- total_data_rate += skl_plane_relative_data_rate(cstate,
- pstate,
- 0);
+ rate = skl_plane_relative_data_rate(intel_cstate,
+ pstate, 0);
+ intel_cstate->wm.skl.plane_data_rate[id] = rate;
- if (pstate->fb->pixel_format == DRM_FORMAT_NV12)
- /* y-plane */
- total_data_rate += skl_plane_relative_data_rate(cstate,
- pstate,
- 1);
+ /* y-plane */
+ rate = skl_plane_relative_data_rate(intel_cstate,
+ pstate, 1);
+ intel_cstate->wm.skl.plane_y_data_rate[id] = rate;
}
+ /* Calculate CRTC's total data rate from cached values */
+ for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
+ int id = skl_wm_plane_id(intel_plane);
+
+ /* packed/uv */
+ total_data_rate += intel_cstate->wm.skl.plane_data_rate[id];
+ total_data_rate += intel_cstate->wm.skl.plane_y_data_rate[id];
+ }
+
+ WARN_ON(cstate->plane_mask && total_data_rate == 0);
+
return total_data_rate;
}
-static void
+static int
skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
struct skl_ddb_allocation *ddb /* out */)
{
+ struct drm_atomic_state *state = cstate->base.state;
struct drm_crtc *crtc = cstate->base.crtc;
struct drm_device *dev = crtc->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_wm_config *config = &dev_priv->wm.config;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_plane *intel_plane;
+ struct drm_plane *plane;
+ struct drm_plane_state *pstate;
enum pipe pipe = intel_crtc->pipe;
struct skl_ddb_entry *alloc = &ddb->pipe[pipe];
uint16_t alloc_size, start, cursor_blocks;
- uint16_t minimum[I915_MAX_PLANES];
- uint16_t y_minimum[I915_MAX_PLANES];
+ uint16_t *minimum = cstate->wm.skl.minimum_blocks;
+ uint16_t *y_minimum = cstate->wm.skl.minimum_y_blocks;
unsigned int total_data_rate;
+ int num_active;
+ int id, i;
- skl_ddb_get_pipe_allocation_limits(dev, cstate, config, alloc);
+ if (WARN_ON(!state))
+ return 0;
+
+ if (!cstate->base.active) {
+ ddb->pipe[pipe].start = ddb->pipe[pipe].end = 0;
+ memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
+ memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe]));
+ return 0;
+ }
+
+ skl_ddb_get_pipe_allocation_limits(dev, cstate, alloc, &num_active);
alloc_size = skl_ddb_entry_size(alloc);
if (alloc_size == 0) {
memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
- memset(&ddb->plane[pipe][PLANE_CURSOR], 0,
- sizeof(ddb->plane[pipe][PLANE_CURSOR]));
- return;
+ return 0;
}
- cursor_blocks = skl_cursor_allocation(config);
+ cursor_blocks = skl_cursor_allocation(num_active);
ddb->plane[pipe][PLANE_CURSOR].start = alloc->end - cursor_blocks;
ddb->plane[pipe][PLANE_CURSOR].end = alloc->end;
alloc_size -= cursor_blocks;
- alloc->end -= cursor_blocks;
/* 1. Allocate the mininum required blocks for each active plane */
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- struct drm_plane *plane = &intel_plane->base;
- struct drm_framebuffer *fb = plane->state->fb;
- int id = skl_wm_plane_id(intel_plane);
+ for_each_plane_in_state(state, plane, pstate, i) {
+ intel_plane = to_intel_plane(plane);
+ id = skl_wm_plane_id(intel_plane);
- if (!to_intel_plane_state(plane->state)->visible)
+ if (intel_plane->pipe != pipe)
continue;
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ if (!to_intel_plane_state(pstate)->visible) {
+ minimum[id] = 0;
+ y_minimum[id] = 0;
continue;
+ }
+ if (plane->type == DRM_PLANE_TYPE_CURSOR) {
+ minimum[id] = 0;
+ y_minimum[id] = 0;
+ continue;
+ }
minimum[id] = 8;
- alloc_size -= minimum[id];
- y_minimum[id] = (fb->pixel_format == DRM_FORMAT_NV12) ? 8 : 0;
- alloc_size -= y_minimum[id];
+ if (pstate->fb->pixel_format == DRM_FORMAT_NV12)
+ y_minimum[id] = 8;
+ else
+ y_minimum[id] = 0;
+ }
+
+ for (i = 0; i < PLANE_CURSOR; i++) {
+ alloc_size -= minimum[i];
+ alloc_size -= y_minimum[i];
}
/*
@@ -3056,21 +3123,16 @@
* FIXME: we may not allocate every single block here.
*/
total_data_rate = skl_get_total_relative_data_rate(cstate);
+ if (total_data_rate == 0)
+ return 0;
start = alloc->start;
for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
- struct drm_plane *plane = &intel_plane->base;
- struct drm_plane_state *pstate = intel_plane->base.state;
unsigned int data_rate, y_data_rate;
uint16_t plane_blocks, y_plane_blocks = 0;
int id = skl_wm_plane_id(intel_plane);
- if (!to_intel_plane_state(pstate)->visible)
- continue;
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
- continue;
-
- data_rate = skl_plane_relative_data_rate(cstate, pstate, 0);
+ data_rate = cstate->wm.skl.plane_data_rate[id];
/*
* allocation for (packed formats) or (uv-plane part of planar format):
@@ -3081,30 +3143,32 @@
plane_blocks += div_u64((uint64_t)alloc_size * data_rate,
total_data_rate);
- ddb->plane[pipe][id].start = start;
- ddb->plane[pipe][id].end = start + plane_blocks;
+ /* Leave disabled planes at (0,0) */
+ if (data_rate) {
+ ddb->plane[pipe][id].start = start;
+ ddb->plane[pipe][id].end = start + plane_blocks;
+ }
start += plane_blocks;
/*
* allocation for y_plane part of planar format:
*/
- if (pstate->fb->pixel_format == DRM_FORMAT_NV12) {
- y_data_rate = skl_plane_relative_data_rate(cstate,
- pstate,
- 1);
- y_plane_blocks = y_minimum[id];
- y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate,
- total_data_rate);
+ y_data_rate = cstate->wm.skl.plane_y_data_rate[id];
+ y_plane_blocks = y_minimum[id];
+ y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate,
+ total_data_rate);
+
+ if (y_data_rate) {
ddb->y_plane[pipe][id].start = start;
ddb->y_plane[pipe][id].end = start + y_plane_blocks;
-
- start += y_plane_blocks;
}
+ start += y_plane_blocks;
}
+ return 0;
}
static uint32_t skl_pipe_pixel_rate(const struct intel_crtc_state *config)
@@ -3161,35 +3225,17 @@
return ret;
}
-static bool skl_ddb_allocation_changed(const struct skl_ddb_allocation *new_ddb,
- const struct intel_crtc *intel_crtc)
+static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
+ struct intel_crtc_state *cstate,
+ struct intel_plane_state *intel_pstate,
+ uint16_t ddb_allocation,
+ int level,
+ uint16_t *out_blocks, /* out */
+ uint8_t *out_lines, /* out */
+ bool *enabled /* out */)
{
- struct drm_device *dev = intel_crtc->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- const struct skl_ddb_allocation *cur_ddb = &dev_priv->wm.skl_hw.ddb;
-
- /*
- * If ddb allocation of pipes changed, it may require recalculation of
- * watermarks
- */
- if (memcmp(new_ddb->pipe, cur_ddb->pipe, sizeof(new_ddb->pipe)))
- return true;
-
- return false;
-}
-
-static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv,
- struct intel_crtc_state *cstate,
- struct intel_plane *intel_plane,
- uint16_t ddb_allocation,
- int level,
- uint16_t *out_blocks, /* out */
- uint8_t *out_lines /* out */)
-{
- struct drm_plane *plane = &intel_plane->base;
- struct drm_framebuffer *fb = plane->state->fb;
- struct intel_plane_state *intel_pstate =
- to_intel_plane_state(plane->state);
+ struct drm_plane_state *pstate = &intel_pstate->base;
+ struct drm_framebuffer *fb = pstate->fb;
uint32_t latency = dev_priv->wm.skl_latency[level];
uint32_t method1, method2;
uint32_t plane_bytes_per_line, plane_blocks_per_line;
@@ -3198,13 +3244,15 @@
uint8_t cpp;
uint32_t width = 0, height = 0;
- if (latency == 0 || !cstate->base.active || !intel_pstate->visible)
- return false;
+ if (latency == 0 || !cstate->base.active || !intel_pstate->visible) {
+ *enabled = false;
+ return 0;
+ }
width = drm_rect_width(&intel_pstate->src) >> 16;
height = drm_rect_height(&intel_pstate->src) >> 16;
- if (intel_rotation_90_or_270(plane->state->rotation))
+ if (intel_rotation_90_or_270(pstate->rotation))
swap(width, height);
cpp = drm_format_plane_cpp(fb->pixel_format, 0);
@@ -3224,7 +3272,7 @@
fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) {
uint32_t min_scanlines = 4;
uint32_t y_tile_minimum;
- if (intel_rotation_90_or_270(plane->state->rotation)) {
+ if (intel_rotation_90_or_270(pstate->rotation)) {
int cpp = (fb->pixel_format == DRM_FORMAT_NV12) ?
drm_format_plane_cpp(fb->pixel_format, 1) :
drm_format_plane_cpp(fb->pixel_format, 0);
@@ -3260,40 +3308,99 @@
res_blocks++;
}
- if (res_blocks >= ddb_allocation || res_lines > 31)
- return false;
+ if (res_blocks >= ddb_allocation || res_lines > 31) {
+ *enabled = false;
+
+ /*
+ * If there are no valid level 0 watermarks, then we can't
+ * support this display configuration.
+ */
+ if (level) {
+ return 0;
+ } else {
+ DRM_DEBUG_KMS("Requested display configuration exceeds system watermark limitations\n");
+ DRM_DEBUG_KMS("Plane %d.%d: blocks required = %u/%u, lines required = %u/31\n",
+ to_intel_crtc(cstate->base.crtc)->pipe,
+ skl_wm_plane_id(to_intel_plane(pstate->plane)),
+ res_blocks, ddb_allocation, res_lines);
+
+ return -EINVAL;
+ }
+ }
*out_blocks = res_blocks;
*out_lines = res_lines;
+ *enabled = true;
- return true;
+ return 0;
}
-static void skl_compute_wm_level(const struct drm_i915_private *dev_priv,
- struct skl_ddb_allocation *ddb,
- struct intel_crtc_state *cstate,
- int level,
- struct skl_wm_level *result)
+static int
+skl_compute_wm_level(const struct drm_i915_private *dev_priv,
+ struct skl_ddb_allocation *ddb,
+ struct intel_crtc_state *cstate,
+ int level,
+ struct skl_wm_level *result)
{
struct drm_device *dev = dev_priv->dev;
+ struct drm_atomic_state *state = cstate->base.state;
struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
+ struct drm_plane *plane;
struct intel_plane *intel_plane;
+ struct intel_plane_state *intel_pstate;
uint16_t ddb_blocks;
enum pipe pipe = intel_crtc->pipe;
+ int ret;
- for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
+ /*
+ * We'll only calculate watermarks for planes that are actually
+ * enabled, so make sure all other planes are set as disabled.
+ */
+ memset(result, 0, sizeof(*result));
+
+ for_each_intel_plane_mask(dev, intel_plane, cstate->base.plane_mask) {
int i = skl_wm_plane_id(intel_plane);
+ plane = &intel_plane->base;
+ intel_pstate = NULL;
+ if (state)
+ intel_pstate =
+ intel_atomic_get_existing_plane_state(state,
+ intel_plane);
+
+ /*
+ * Note: If we start supporting multiple pending atomic commits
+ * against the same planes/CRTC's in the future, plane->state
+ * will no longer be the correct pre-state to use for the
+ * calculations here and we'll need to change where we get the
+ * 'unchanged' plane data from.
+ *
+ * For now this is fine because we only allow one queued commit
+ * against a CRTC. Even if the plane isn't modified by this
+ * transaction and we don't have a plane lock, we still have
+ * the CRTC's lock, so we know that no other transactions are
+ * racing with us to update it.
+ */
+ if (!intel_pstate)
+ intel_pstate = to_intel_plane_state(plane->state);
+
+ WARN_ON(!intel_pstate->base.fb);
+
ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]);
- result->plane_en[i] = skl_compute_plane_wm(dev_priv,
- cstate,
- intel_plane,
- ddb_blocks,
- level,
- &result->plane_res_b[i],
- &result->plane_res_l[i]);
+ ret = skl_compute_plane_wm(dev_priv,
+ cstate,
+ intel_pstate,
+ ddb_blocks,
+ level,
+ &result->plane_res_b[i],
+ &result->plane_res_l[i],
+ &result->plane_en[i]);
+ if (ret)
+ return ret;
}
+
+ return 0;
}
static uint32_t
@@ -3327,21 +3434,26 @@
}
}
-static void skl_compute_pipe_wm(struct intel_crtc_state *cstate,
- struct skl_ddb_allocation *ddb,
- struct skl_pipe_wm *pipe_wm)
+static int skl_build_pipe_wm(struct intel_crtc_state *cstate,
+ struct skl_ddb_allocation *ddb,
+ struct skl_pipe_wm *pipe_wm)
{
struct drm_device *dev = cstate->base.crtc->dev;
const struct drm_i915_private *dev_priv = dev->dev_private;
int level, max_level = ilk_wm_max_level(dev);
+ int ret;
for (level = 0; level <= max_level; level++) {
- skl_compute_wm_level(dev_priv, ddb, cstate,
- level, &pipe_wm->wm[level]);
+ ret = skl_compute_wm_level(dev_priv, ddb, cstate,
+ level, &pipe_wm->wm[level]);
+ if (ret)
+ return ret;
}
pipe_wm->linetime = skl_compute_linetime_wm(cstate);
skl_compute_transition_wm(cstate, &pipe_wm->trans_wm);
+
+ return 0;
}
static void skl_compute_wm_results(struct drm_device *dev,
@@ -3421,7 +3533,9 @@
int i, level, max_level = ilk_wm_max_level(dev);
enum pipe pipe = crtc->pipe;
- if (!new->dirty[pipe])
+ if ((new->dirty_pipes & drm_crtc_mask(&crtc->base)) == 0)
+ continue;
+ if (!crtc->active)
continue;
I915_WRITE(PIPE_WM_LINETIME(pipe), new->wm_linetime[pipe]);
@@ -3588,87 +3702,144 @@
}
}
-static bool skl_update_pipe_wm(struct drm_crtc *crtc,
- struct skl_ddb_allocation *ddb, /* out */
- struct skl_pipe_wm *pipe_wm /* out */)
+static int skl_update_pipe_wm(struct drm_crtc_state *cstate,
+ struct skl_ddb_allocation *ddb, /* out */
+ struct skl_pipe_wm *pipe_wm, /* out */
+ bool *changed /* out */)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
+ struct intel_crtc *intel_crtc = to_intel_crtc(cstate->crtc);
+ struct intel_crtc_state *intel_cstate = to_intel_crtc_state(cstate);
+ int ret;
- skl_allocate_pipe_ddb(cstate, ddb);
- skl_compute_pipe_wm(cstate, ddb, pipe_wm);
+ ret = skl_build_pipe_wm(intel_cstate, ddb, pipe_wm);
+ if (ret)
+ return ret;
if (!memcmp(&intel_crtc->wm.active.skl, pipe_wm, sizeof(*pipe_wm)))
- return false;
+ *changed = false;
+ else
+ *changed = true;
- intel_crtc->wm.active.skl = *pipe_wm;
-
- return true;
+ return 0;
}
-static void skl_update_other_pipe_wm(struct drm_device *dev,
- struct drm_crtc *crtc,
- struct skl_wm_values *r)
+static int
+skl_compute_ddb(struct drm_atomic_state *state)
{
+ struct drm_device *dev = state->dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
struct intel_crtc *intel_crtc;
- struct intel_crtc *this_crtc = to_intel_crtc(crtc);
+ struct skl_ddb_allocation *ddb = &intel_state->wm_results.ddb;
+ unsigned realloc_pipes = dev_priv->active_crtcs;
+ int ret;
/*
- * If the WM update hasn't changed the allocation for this_crtc (the
- * crtc we are currently computing the new WM values for), other
- * enabled crtcs will keep the same allocation and we don't need to
- * recompute anything for them.
+ * If this is our first atomic update following hardware readout,
+ * we can't trust the DDB that the BIOS programmed for us. Let's
+ * pretend that all pipes switched active status so that we'll
+ * ensure a full DDB recompute.
*/
- if (!skl_ddb_allocation_changed(&r->ddb, this_crtc))
- return;
+ if (dev_priv->wm.distrust_bios_wm)
+ intel_state->active_pipe_changes = ~0;
/*
- * Otherwise, because of this_crtc being freshly enabled/disabled, the
- * other active pipes need new DDB allocation and WM values.
+ * If the modeset changes which CRTC's are active, we need to
+ * recompute the DDB allocation for *all* active pipes, even
+ * those that weren't otherwise being modified in any way by this
+ * atomic commit. Due to the shrinking of the per-pipe allocations
+ * when new active CRTC's are added, it's possible for a pipe that
+ * we were already using and aren't changing at all here to suddenly
+ * become invalid if its DDB needs exceeds its new allocation.
+ *
+ * Note that if we wind up doing a full DDB recompute, we can't let
+ * any other display updates race with this transaction, so we need
+ * to grab the lock on *all* CRTC's.
*/
- for_each_intel_crtc(dev, intel_crtc) {
- struct skl_pipe_wm pipe_wm = {};
- bool wm_changed;
-
- if (this_crtc->pipe == intel_crtc->pipe)
- continue;
-
- if (!intel_crtc->active)
- continue;
-
- wm_changed = skl_update_pipe_wm(&intel_crtc->base,
- &r->ddb, &pipe_wm);
-
- /*
- * If we end up re-computing the other pipe WM values, it's
- * because it was really needed, so we expect the WM values to
- * be different.
- */
- WARN_ON(!wm_changed);
-
- skl_compute_wm_results(dev, &pipe_wm, r, intel_crtc);
- r->dirty[intel_crtc->pipe] = true;
+ if (intel_state->active_pipe_changes) {
+ realloc_pipes = ~0;
+ intel_state->wm_results.dirty_pipes = ~0;
}
+
+ for_each_intel_crtc_mask(dev, intel_crtc, realloc_pipes) {
+ struct intel_crtc_state *cstate;
+
+ cstate = intel_atomic_get_crtc_state(state, intel_crtc);
+ if (IS_ERR(cstate))
+ return PTR_ERR(cstate);
+
+ ret = skl_allocate_pipe_ddb(cstate, ddb);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
-static void skl_clear_wm(struct skl_wm_values *watermarks, enum pipe pipe)
+static int
+skl_compute_wm(struct drm_atomic_state *state)
{
- watermarks->wm_linetime[pipe] = 0;
- memset(watermarks->plane[pipe], 0,
- sizeof(uint32_t) * 8 * I915_MAX_PLANES);
- memset(watermarks->plane_trans[pipe],
- 0, sizeof(uint32_t) * I915_MAX_PLANES);
- watermarks->plane_trans[pipe][PLANE_CURSOR] = 0;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *cstate;
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+ struct skl_wm_values *results = &intel_state->wm_results;
+ struct skl_pipe_wm *pipe_wm;
+ bool changed = false;
+ int ret, i;
- /* Clear ddb entries for pipe */
- memset(&watermarks->ddb.pipe[pipe], 0, sizeof(struct skl_ddb_entry));
- memset(&watermarks->ddb.plane[pipe], 0,
- sizeof(struct skl_ddb_entry) * I915_MAX_PLANES);
- memset(&watermarks->ddb.y_plane[pipe], 0,
- sizeof(struct skl_ddb_entry) * I915_MAX_PLANES);
- memset(&watermarks->ddb.plane[pipe][PLANE_CURSOR], 0,
- sizeof(struct skl_ddb_entry));
+ /*
+ * If this transaction isn't actually touching any CRTC's, don't
+ * bother with watermark calculation. Note that if we pass this
+ * test, we're guaranteed to hold at least one CRTC state mutex,
+ * which means we can safely use values like dev_priv->active_crtcs
+ * since any racing commits that want to update them would need to
+ * hold _all_ CRTC state mutexes.
+ */
+ for_each_crtc_in_state(state, crtc, cstate, i)
+ changed = true;
+ if (!changed)
+ return 0;
+ /* Clear all dirty flags */
+ results->dirty_pipes = 0;
+
+ ret = skl_compute_ddb(state);
+ if (ret)
+ return ret;
+
+ /*
+ * Calculate WM's for all pipes that are part of this transaction.
+ * Note that the DDB allocation above may have added more CRTC's that
+ * weren't otherwise being modified (and set bits in dirty_pipes) if
+ * pipe allocations had to change.
+ *
+ * FIXME: Now that we're doing this in the atomic check phase, we
+ * should allow skl_update_pipe_wm() to return failure in cases where
+ * no suitable watermark values can be found.
+ */
+ for_each_crtc_in_state(state, crtc, cstate, i) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct intel_crtc_state *intel_cstate =
+ to_intel_crtc_state(cstate);
+
+ pipe_wm = &intel_cstate->wm.skl.optimal;
+ ret = skl_update_pipe_wm(cstate, &results->ddb, pipe_wm,
+ &changed);
+ if (ret)
+ return ret;
+
+ if (changed)
+ results->dirty_pipes |= drm_crtc_mask(crtc);
+
+ if ((results->dirty_pipes & drm_crtc_mask(crtc)) == 0)
+ /* This pipe's WM's did not change */
+ continue;
+
+ intel_cstate->update_wm_pre = true;
+ skl_compute_wm_results(crtc->dev, pipe_wm, results, intel_crtc);
+ }
+
+ return 0;
}
static void skl_update_wm(struct drm_crtc *crtc)
@@ -3678,26 +3849,22 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct skl_wm_values *results = &dev_priv->wm.skl_results;
struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
- struct skl_pipe_wm *pipe_wm = &cstate->wm.optimal.skl;
+ struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal;
-
- /* Clear all dirty flags */
- memset(results->dirty, 0, sizeof(bool) * I915_MAX_PIPES);
-
- skl_clear_wm(results, intel_crtc->pipe);
-
- if (!skl_update_pipe_wm(crtc, &results->ddb, pipe_wm))
+ if ((results->dirty_pipes & drm_crtc_mask(crtc)) == 0)
return;
- skl_compute_wm_results(dev, pipe_wm, results, intel_crtc);
- results->dirty[intel_crtc->pipe] = true;
+ intel_crtc->wm.active.skl = *pipe_wm;
- skl_update_other_pipe_wm(dev, crtc, results);
+ mutex_lock(&dev_priv->wm.wm_mutex);
+
skl_write_wm_values(dev_priv, results);
skl_flush_wm_values(dev_priv, results);
/* store the new configuration */
dev_priv->wm.skl_hw = *results;
+
+ mutex_unlock(&dev_priv->wm.wm_mutex);
}
static void ilk_compute_wm_config(struct drm_device *dev,
@@ -3757,7 +3924,7 @@
struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc);
mutex_lock(&dev_priv->wm.wm_mutex);
- intel_crtc->wm.active.ilk = cstate->wm.intermediate;
+ intel_crtc->wm.active.ilk = cstate->wm.ilk.intermediate;
ilk_program_watermarks(dev_priv);
mutex_unlock(&dev_priv->wm.wm_mutex);
}
@@ -3769,7 +3936,7 @@
mutex_lock(&dev_priv->wm.wm_mutex);
if (cstate->wm.need_postvbl_update) {
- intel_crtc->wm.active.ilk = cstate->wm.optimal.ilk;
+ intel_crtc->wm.active.ilk = cstate->wm.ilk.optimal;
ilk_program_watermarks(dev_priv);
}
mutex_unlock(&dev_priv->wm.wm_mutex);
@@ -3826,7 +3993,7 @@
struct skl_wm_values *hw = &dev_priv->wm.skl_hw;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
- struct skl_pipe_wm *active = &cstate->wm.optimal.skl;
+ struct skl_pipe_wm *active = &cstate->wm.skl.optimal;
enum pipe pipe = intel_crtc->pipe;
int level, i, max_level;
uint32_t temp;
@@ -3849,7 +4016,7 @@
if (!intel_crtc->active)
return;
- hw->dirty[pipe] = true;
+ hw->dirty_pipes |= drm_crtc_mask(crtc);
active->linetime = hw->wm_linetime[pipe];
@@ -3879,10 +4046,36 @@
struct drm_i915_private *dev_priv = dev->dev_private;
struct skl_ddb_allocation *ddb = &dev_priv->wm.skl_hw.ddb;
struct drm_crtc *crtc;
+ struct intel_crtc *intel_crtc;
skl_ddb_get_hw_state(dev_priv, ddb);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
skl_pipe_wm_get_hw_state(crtc);
+
+ if (dev_priv->active_crtcs) {
+ /* Fully recompute DDB on first atomic commit */
+ dev_priv->wm.distrust_bios_wm = true;
+ } else {
+ /* Easy/common case; just sanitize DDB now if everything off */
+ memset(ddb, 0, sizeof(*ddb));
+ }
+
+ /* Calculate plane data rates */
+ for_each_intel_crtc(dev, intel_crtc) {
+ struct intel_crtc_state *cstate = intel_crtc->config;
+ struct intel_plane *intel_plane;
+
+ for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
+ const struct drm_plane_state *pstate =
+ intel_plane->base.state;
+ int id = skl_wm_plane_id(intel_plane);
+
+ cstate->wm.skl.plane_data_rate[id] =
+ skl_plane_relative_data_rate(cstate, pstate, 0);
+ cstate->wm.skl.plane_y_data_rate[id] =
+ skl_plane_relative_data_rate(cstate, pstate, 1);
+ }
+ }
}
static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc)
@@ -3892,7 +4085,7 @@
struct ilk_wm_values *hw = &dev_priv->wm.hw;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state);
- struct intel_pipe_wm *active = &cstate->wm.optimal.ilk;
+ struct intel_pipe_wm *active = &cstate->wm.ilk.optimal;
enum pipe pipe = intel_crtc->pipe;
static const i915_reg_t wm0_pipe_reg[] = {
[PIPE_A] = WM0_PIPEA_ILK,
@@ -4169,9 +4362,8 @@
* mchdev_lock. */
static struct drm_i915_private *i915_mch_dev;
-bool ironlake_set_drps(struct drm_device *dev, u8 val)
+bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u16 rgvswctl;
assert_spin_locked(&mchdev_lock);
@@ -4193,9 +4385,8 @@
return true;
}
-static void ironlake_enable_drps(struct drm_device *dev)
+static void ironlake_enable_drps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 rgvmodectl;
u8 fmax, fmin, fstart, vstart;
@@ -4252,7 +4443,7 @@
DRM_ERROR("stuck trying to change perf mode\n");
mdelay(1);
- ironlake_set_drps(dev, fstart);
+ ironlake_set_drps(dev_priv, fstart);
dev_priv->ips.last_count1 = I915_READ(DMIEC) +
I915_READ(DDREC) + I915_READ(CSIEC);
@@ -4263,9 +4454,8 @@
spin_unlock_irq(&mchdev_lock);
}
-static void ironlake_disable_drps(struct drm_device *dev)
+static void ironlake_disable_drps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u16 rgvswctl;
spin_lock_irq(&mchdev_lock);
@@ -4280,7 +4470,7 @@
I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT);
/* Go back to the starting frequency */
- ironlake_set_drps(dev, dev_priv->ips.fstart);
+ ironlake_set_drps(dev_priv, dev_priv->ips.fstart);
mdelay(1);
rgvswctl |= MEMCTL_CMD_STS;
I915_WRITE(MEMSWCTL, rgvswctl);
@@ -4424,12 +4614,10 @@
/* gen6_set_rps is called to update the frequency request, but should also be
* called when the range (min_delay and max_delay) is modified so that we can
* update the GEN6_RP_INTERRUPT_LIMITS register accordingly. */
-static void gen6_set_rps(struct drm_device *dev, u8 val)
+static void gen6_set_rps(struct drm_i915_private *dev_priv, u8 val)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
return;
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
@@ -4442,10 +4630,10 @@
if (val != dev_priv->rps.cur_freq) {
gen6_set_rps_thresholds(dev_priv, val);
- if (IS_GEN9(dev))
+ if (IS_GEN9(dev_priv))
I915_WRITE(GEN6_RPNSWREQ,
GEN9_FREQUENCY(val));
- else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+ else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
I915_WRITE(GEN6_RPNSWREQ,
HSW_FREQUENCY(val));
else
@@ -4467,15 +4655,13 @@
trace_intel_gpu_freq_change(intel_gpu_freq(dev_priv, val));
}
-static void valleyview_set_rps(struct drm_device *dev, u8 val)
+static void valleyview_set_rps(struct drm_i915_private *dev_priv, u8 val)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
WARN_ON(val > dev_priv->rps.max_freq);
WARN_ON(val < dev_priv->rps.min_freq);
- if (WARN_ONCE(IS_CHERRYVIEW(dev) && (val & 1),
+ if (WARN_ONCE(IS_CHERRYVIEW(dev_priv) && (val & 1),
"Odd GPU freq value\n"))
val &= ~1;
@@ -4508,7 +4694,7 @@
/* Wake up the media well, as that takes a lot less
* power than the Render well. */
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_MEDIA);
- valleyview_set_rps(dev_priv->dev, val);
+ valleyview_set_rps(dev_priv, val);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_MEDIA);
}
@@ -4526,14 +4712,12 @@
void gen6_rps_idle(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
-
mutex_lock(&dev_priv->rps.hw_lock);
if (dev_priv->rps.enabled) {
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
vlv_set_rps_idle(dev_priv);
else
- gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ gen6_set_rps(dev_priv, dev_priv->rps.idle_freq);
dev_priv->rps.last_adj = 0;
I915_WRITE(GEN6_PMINTRMSK, 0xffffffff);
}
@@ -4581,49 +4765,39 @@
spin_unlock(&dev_priv->rps.client_lock);
}
-void intel_set_rps(struct drm_device *dev, u8 val)
+void intel_set_rps(struct drm_i915_private *dev_priv, u8 val)
{
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
- valleyview_set_rps(dev, val);
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ valleyview_set_rps(dev_priv, val);
else
- gen6_set_rps(dev, val);
+ gen6_set_rps(dev_priv, val);
}
-static void gen9_disable_rc6(struct drm_device *dev)
+static void gen9_disable_rc6(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
I915_WRITE(GEN6_RC_CONTROL, 0);
I915_WRITE(GEN9_PG_ENABLE, 0);
}
-static void gen9_disable_rps(struct drm_device *dev)
+static void gen9_disable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
I915_WRITE(GEN6_RP_CONTROL, 0);
}
-static void gen6_disable_rps(struct drm_device *dev)
+static void gen6_disable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
I915_WRITE(GEN6_RC_CONTROL, 0);
I915_WRITE(GEN6_RPNSWREQ, 1 << 31);
I915_WRITE(GEN6_RP_CONTROL, 0);
}
-static void cherryview_disable_rps(struct drm_device *dev)
+static void cherryview_disable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
I915_WRITE(GEN6_RC_CONTROL, 0);
}
-static void valleyview_disable_rps(struct drm_device *dev)
+static void valleyview_disable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/* we're doing forcewake before Disabling RC6,
* This what the BIOS expects when going into suspend */
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
@@ -4633,15 +4807,15 @@
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
-static void intel_print_rc6_info(struct drm_device *dev, u32 mode)
+static void intel_print_rc6_info(struct drm_i915_private *dev_priv, u32 mode)
{
- if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
if (mode & (GEN7_RC_CTL_TO_MODE | GEN6_RC_CTL_EI_MODE(1)))
mode = GEN6_RC_CTL_RC6_ENABLE;
else
mode = 0;
}
- if (HAS_RC6p(dev))
+ if (HAS_RC6p(dev_priv))
DRM_DEBUG_KMS("Enabling RC6 states: RC6 %s RC6p %s RC6pp %s\n",
onoff(mode & GEN6_RC_CTL_RC6_ENABLE),
onoff(mode & GEN6_RC_CTL_RC6p_ENABLE),
@@ -4652,9 +4826,8 @@
onoff(mode & GEN6_RC_CTL_RC6_ENABLE));
}
-static bool bxt_check_bios_rc6_setup(const struct drm_device *dev)
+static bool bxt_check_bios_rc6_setup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
bool enable_rc6 = true;
unsigned long rc6_ctx_base;
@@ -4695,16 +4868,16 @@
return enable_rc6;
}
-int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6)
+int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6)
{
/* No RC6 before Ironlake and code is gone for ilk. */
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_INFO(dev_priv)->gen < 6)
return 0;
if (!enable_rc6)
return 0;
- if (IS_BROXTON(dev) && !bxt_check_bios_rc6_setup(dev)) {
+ if (IS_BROXTON(dev_priv) && !bxt_check_bios_rc6_setup(dev_priv)) {
DRM_INFO("RC6 disabled by BIOS\n");
return 0;
}
@@ -4713,7 +4886,7 @@
if (enable_rc6 >= 0) {
int mask;
- if (HAS_RC6p(dev))
+ if (HAS_RC6p(dev_priv))
mask = INTEL_RC6_ENABLE | INTEL_RC6p_ENABLE |
INTEL_RC6pp_ENABLE;
else
@@ -4726,20 +4899,14 @@
return enable_rc6 & mask;
}
- if (IS_IVYBRIDGE(dev))
+ if (IS_IVYBRIDGE(dev_priv))
return (INTEL_RC6_ENABLE | INTEL_RC6p_ENABLE);
return INTEL_RC6_ENABLE;
}
-int intel_enable_rc6(const struct drm_device *dev)
+static void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv)
{
- return i915.enable_rc6;
-}
-
-static void gen6_init_rps_frequencies(struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t rp_state_cap;
u32 ddcc_status = 0;
int ret;
@@ -4747,7 +4914,7 @@
/* All of these values are in units of 50MHz */
dev_priv->rps.cur_freq = 0;
/* static values from HW: RP0 > RP1 > RPn (min_freq) */
- if (IS_BROXTON(dev)) {
+ if (IS_BROXTON(dev_priv)) {
rp_state_cap = I915_READ(BXT_RP_STATE_CAP);
dev_priv->rps.rp0_freq = (rp_state_cap >> 16) & 0xff;
dev_priv->rps.rp1_freq = (rp_state_cap >> 8) & 0xff;
@@ -4763,8 +4930,8 @@
dev_priv->rps.max_freq = dev_priv->rps.rp0_freq;
dev_priv->rps.efficient_freq = dev_priv->rps.rp1_freq;
- if (IS_HASWELL(dev) || IS_BROADWELL(dev) ||
- IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv) ||
+ IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
ret = sandybridge_pcode_read(dev_priv,
HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL,
&ddcc_status);
@@ -4776,7 +4943,7 @@
dev_priv->rps.max_freq);
}
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
/* Store the frequency values in 16.66 MHZ units, which is
the natural hardware unit for SKL */
dev_priv->rps.rp0_freq *= GEN9_FREQ_SCALER;
@@ -4793,7 +4960,7 @@
dev_priv->rps.max_freq_softlimit = dev_priv->rps.max_freq;
if (dev_priv->rps.min_freq_softlimit == 0) {
- if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+ if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
dev_priv->rps.min_freq_softlimit =
max_t(int, dev_priv->rps.efficient_freq,
intel_freq_opcode(dev_priv, 450));
@@ -4804,16 +4971,14 @@
}
/* See the Gen9_GT_PM_Programming_Guide doc for the below */
-static void gen9_enable_rps(struct drm_device *dev)
+static void gen9_enable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
- gen6_init_rps_frequencies(dev);
+ gen6_init_rps_frequencies(dev_priv);
/* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
/*
* BIOS could leave the Hw Turbo enabled, so need to explicitly
* clear out the Control register just to avoid inconsitency
@@ -4823,7 +4988,7 @@
* if the Turbo is left enabled in the Control register, as the
* Up/Down interrupts would remain masked.
*/
- gen9_disable_rps(dev);
+ gen9_disable_rps(dev_priv);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
return;
}
@@ -4842,14 +5007,13 @@
* Up/Down EI & threshold registers, as well as the RP_CONTROL,
* RP_INTERRUPT_LIMITS & RPNSWREQ registers */
dev_priv->rps.power = HIGH_POWER; /* force a reset */
- gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ gen6_set_rps(dev_priv, dev_priv->rps.idle_freq);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
-static void gen9_enable_rc6(struct drm_device *dev)
+static void gen9_enable_rc6(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
uint32_t rc6_mask = 0;
@@ -4866,7 +5030,7 @@
/* 2b: Program RC6 thresholds.*/
/* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */
- if (IS_SKYLAKE(dev))
+ if (IS_SKYLAKE(dev_priv))
I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16);
else
I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);
@@ -4875,7 +5039,7 @@
for_each_engine(engine, dev_priv)
I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
- if (HAS_GUC_UCODE(dev))
+ if (HAS_GUC_UCODE(dev_priv))
I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA);
I915_WRITE(GEN6_RC_SLEEP, 0);
@@ -4885,12 +5049,12 @@
I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 25);
/* 3a: Enable RC6 */
- if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE)
+ if (intel_enable_rc6() & INTEL_RC6_ENABLE)
rc6_mask = GEN6_RC_CTL_RC6_ENABLE;
DRM_INFO("RC6 %s\n", onoff(rc6_mask & GEN6_RC_CTL_RC6_ENABLE));
/* WaRsUseTimeoutMode */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_D0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us */
I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
GEN7_RC_CTL_TO_MODE |
@@ -4906,19 +5070,17 @@
* 3b: Enable Coarse Power Gating only when RC6 is enabled.
* WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6.
*/
- if (NEEDS_WaRsDisableCoarsePowerGating(dev))
+ if (NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
I915_WRITE(GEN9_PG_ENABLE, 0);
else
I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
(GEN9_RENDER_PG_ENABLE | GEN9_MEDIA_PG_ENABLE) : 0);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
-
}
-static void gen8_enable_rps(struct drm_device *dev)
+static void gen8_enable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
uint32_t rc6_mask = 0;
@@ -4933,7 +5095,7 @@
I915_WRITE(GEN6_RC_CONTROL, 0);
/* Initialize rps frequencies */
- gen6_init_rps_frequencies(dev);
+ gen6_init_rps_frequencies(dev_priv);
/* 2b: Program RC6 thresholds.*/
I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 40 << 16);
@@ -4942,16 +5104,16 @@
for_each_engine(engine, dev_priv)
I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
I915_WRITE(GEN6_RC_SLEEP, 0);
- if (IS_BROADWELL(dev))
+ if (IS_BROADWELL(dev_priv))
I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us/1.28 for TO */
else
I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */
/* 3: Enable RC6 */
- if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE)
+ if (intel_enable_rc6() & INTEL_RC6_ENABLE)
rc6_mask = GEN6_RC_CTL_RC6_ENABLE;
- intel_print_rc6_info(dev, rc6_mask);
- if (IS_BROADWELL(dev))
+ intel_print_rc6_info(dev_priv, rc6_mask);
+ if (IS_BROADWELL(dev_priv))
I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE |
GEN7_RC_CTL_TO_MODE |
rc6_mask);
@@ -4992,14 +5154,13 @@
/* 6: Ring frequency + overclocking (our driver does this later */
dev_priv->rps.power = HIGH_POWER; /* force a reset */
- gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ gen6_set_rps(dev_priv, dev_priv->rps.idle_freq);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
-static void gen6_enable_rps(struct drm_device *dev)
+static void gen6_enable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
u32 rc6vids, pcu_mbox = 0, rc6_mask = 0;
u32 gtfifodbg;
@@ -5026,7 +5187,7 @@
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
/* Initialize rps frequencies */
- gen6_init_rps_frequencies(dev);
+ gen6_init_rps_frequencies(dev_priv);
/* disable the counters and set deterministic thresholds */
I915_WRITE(GEN6_RC_CONTROL, 0);
@@ -5042,7 +5203,7 @@
I915_WRITE(GEN6_RC_SLEEP, 0);
I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
- if (IS_IVYBRIDGE(dev))
+ if (IS_IVYBRIDGE(dev_priv))
I915_WRITE(GEN6_RC6_THRESHOLD, 125000);
else
I915_WRITE(GEN6_RC6_THRESHOLD, 50000);
@@ -5050,12 +5211,12 @@
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
/* Check if we are enabling RC6 */
- rc6_mode = intel_enable_rc6(dev_priv->dev);
+ rc6_mode = intel_enable_rc6();
if (rc6_mode & INTEL_RC6_ENABLE)
rc6_mask |= GEN6_RC_CTL_RC6_ENABLE;
/* We don't use those on Haswell */
- if (!IS_HASWELL(dev)) {
+ if (!IS_HASWELL(dev_priv)) {
if (rc6_mode & INTEL_RC6p_ENABLE)
rc6_mask |= GEN6_RC_CTL_RC6p_ENABLE;
@@ -5063,7 +5224,7 @@
rc6_mask |= GEN6_RC_CTL_RC6pp_ENABLE;
}
- intel_print_rc6_info(dev, rc6_mask);
+ intel_print_rc6_info(dev_priv, rc6_mask);
I915_WRITE(GEN6_RC_CONTROL,
rc6_mask |
@@ -5087,13 +5248,13 @@
}
dev_priv->rps.power = HIGH_POWER; /* force a reset */
- gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ gen6_set_rps(dev_priv, dev_priv->rps.idle_freq);
rc6vids = 0;
ret = sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
- if (IS_GEN6(dev) && ret) {
+ if (IS_GEN6(dev_priv) && ret) {
DRM_DEBUG_DRIVER("Couldn't check for BIOS workaround\n");
- } else if (IS_GEN6(dev) && (GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) {
+ } else if (IS_GEN6(dev_priv) && (GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) {
DRM_DEBUG_DRIVER("You should update your BIOS. Correcting minimum rc6 voltage (%dmV->%dmV)\n",
GEN6_DECODE_RC6_VID(rc6vids & 0xff), 450);
rc6vids &= 0xffff00;
@@ -5106,9 +5267,8 @@
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
-static void __gen6_update_ring_freq(struct drm_device *dev)
+static void __gen6_update_ring_freq(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int min_freq = 15;
unsigned int gpu_freq;
unsigned int max_ia_freq, min_ring_freq;
@@ -5137,7 +5297,7 @@
/* convert DDR frequency from units of 266.6MHz to bandwidth */
min_ring_freq = mult_frac(min_ring_freq, 8, 3);
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
/* Convert GT frequency to 50 HZ units */
min_gpu_freq = dev_priv->rps.min_freq / GEN9_FREQ_SCALER;
max_gpu_freq = dev_priv->rps.max_freq / GEN9_FREQ_SCALER;
@@ -5155,16 +5315,16 @@
int diff = max_gpu_freq - gpu_freq;
unsigned int ia_freq = 0, ring_freq = 0;
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
/*
* ring_freq = 2 * GT. ring_freq is in 100MHz units
* No floor required for ring frequency on SKL.
*/
ring_freq = gpu_freq;
- } else if (INTEL_INFO(dev)->gen >= 8) {
+ } else if (INTEL_INFO(dev_priv)->gen >= 8) {
/* max(2 * GT, DDR). NB: GT is 50MHz units */
ring_freq = max(min_ring_freq, gpu_freq);
- } else if (IS_HASWELL(dev)) {
+ } else if (IS_HASWELL(dev_priv)) {
ring_freq = mult_frac(gpu_freq, 5, 4);
ring_freq = max(min_ring_freq, ring_freq);
/* leave ia_freq as the default, chosen by cpufreq */
@@ -5191,26 +5351,23 @@
}
}
-void gen6_update_ring_freq(struct drm_device *dev)
+void gen6_update_ring_freq(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (!HAS_CORE_RING_FREQ(dev))
+ if (!HAS_CORE_RING_FREQ(dev_priv))
return;
mutex_lock(&dev_priv->rps.hw_lock);
- __gen6_update_ring_freq(dev);
+ __gen6_update_ring_freq(dev_priv);
mutex_unlock(&dev_priv->rps.hw_lock);
}
static int cherryview_rps_max_freq(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
u32 val, rp0;
val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
- switch (INTEL_INFO(dev)->eu_total) {
+ switch (INTEL_INFO(dev_priv)->eu_total) {
case 8:
/* (2 * 4) config */
rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT);
@@ -5321,9 +5478,8 @@
WARN_ON((pctx_addr >> VLV_PCBR_ADDR_SHIFT) == 0);
}
-static void cherryview_setup_pctx(struct drm_device *dev)
+static void cherryview_setup_pctx(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
struct i915_ggtt *ggtt = &dev_priv->ggtt;
unsigned long pctx_paddr, paddr;
u32 pcbr;
@@ -5342,15 +5498,14 @@
DRM_DEBUG_DRIVER("PCBR: 0x%08x\n", I915_READ(VLV_PCBR));
}
-static void valleyview_setup_pctx(struct drm_device *dev)
+static void valleyview_setup_pctx(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *pctx;
unsigned long pctx_paddr;
u32 pcbr;
int pctx_size = 24*1024;
- mutex_lock(&dev->struct_mutex);
+ mutex_lock(&dev_priv->dev->struct_mutex);
pcbr = I915_READ(VLV_PCBR);
if (pcbr) {
@@ -5375,7 +5530,7 @@
* overlap with other ranges, such as the frame buffer, protected
* memory, or any other relevant ranges.
*/
- pctx = i915_gem_object_create_stolen(dev, pctx_size);
+ pctx = i915_gem_object_create_stolen(dev_priv->dev, pctx_size);
if (!pctx) {
DRM_DEBUG("not enough stolen space for PCTX, disabling\n");
goto out;
@@ -5387,13 +5542,11 @@
out:
DRM_DEBUG_DRIVER("PCBR: 0x%08x\n", I915_READ(VLV_PCBR));
dev_priv->vlv_pctx = pctx;
- mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev_priv->dev->struct_mutex);
}
-static void valleyview_cleanup_pctx(struct drm_device *dev)
+static void valleyview_cleanup_pctx(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (WARN_ON(!dev_priv->vlv_pctx))
return;
@@ -5412,12 +5565,11 @@
dev_priv->rps.gpll_ref_freq);
}
-static void valleyview_init_gt_powersave(struct drm_device *dev)
+static void valleyview_init_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 val;
- valleyview_setup_pctx(dev);
+ valleyview_setup_pctx(dev_priv);
vlv_init_gpll_ref_freq(dev_priv);
@@ -5471,12 +5623,11 @@
mutex_unlock(&dev_priv->rps.hw_lock);
}
-static void cherryview_init_gt_powersave(struct drm_device *dev)
+static void cherryview_init_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 val;
- cherryview_setup_pctx(dev);
+ cherryview_setup_pctx(dev_priv);
vlv_init_gpll_ref_freq(dev_priv);
@@ -5536,14 +5687,13 @@
mutex_unlock(&dev_priv->rps.hw_lock);
}
-static void valleyview_cleanup_gt_powersave(struct drm_device *dev)
+static void valleyview_cleanup_gt_powersave(struct drm_i915_private *dev_priv)
{
- valleyview_cleanup_pctx(dev);
+ valleyview_cleanup_pctx(dev_priv);
}
-static void cherryview_enable_rps(struct drm_device *dev)
+static void cherryview_enable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
u32 gtfifodbg, val, rc6_mode = 0, pcbr;
@@ -5588,8 +5738,8 @@
pcbr = I915_READ(VLV_PCBR);
/* 3: Enable RC6 */
- if ((intel_enable_rc6(dev) & INTEL_RC6_ENABLE) &&
- (pcbr >> VLV_PCBR_ADDR_SHIFT))
+ if ((intel_enable_rc6() & INTEL_RC6_ENABLE) &&
+ (pcbr >> VLV_PCBR_ADDR_SHIFT))
rc6_mode = GEN7_RC_CTL_TO_MODE;
I915_WRITE(GEN6_RC_CONTROL, rc6_mode);
@@ -5634,14 +5784,13 @@
intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq),
dev_priv->rps.idle_freq);
- valleyview_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ valleyview_set_rps(dev_priv, dev_priv->rps.idle_freq);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
-static void valleyview_enable_rps(struct drm_device *dev)
+static void valleyview_enable_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
u32 gtfifodbg, val, rc6_mode = 0;
@@ -5694,10 +5843,10 @@
VLV_MEDIA_RC6_COUNT_EN |
VLV_RENDER_RC6_COUNT_EN));
- if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE)
+ if (intel_enable_rc6() & INTEL_RC6_ENABLE)
rc6_mode = GEN7_RC_CTL_TO_MODE | VLV_RC_CTL_CTX_RST_PARALLEL;
- intel_print_rc6_info(dev, rc6_mode);
+ intel_print_rc6_info(dev_priv, rc6_mode);
I915_WRITE(GEN6_RC_CONTROL, rc6_mode);
@@ -5724,7 +5873,7 @@
intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq),
dev_priv->rps.idle_freq);
- valleyview_set_rps(dev_priv->dev, dev_priv->rps.idle_freq);
+ valleyview_set_rps(dev_priv, dev_priv->rps.idle_freq);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
}
@@ -5814,10 +5963,9 @@
unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
unsigned long val;
- if (INTEL_INFO(dev)->gen != 5)
+ if (INTEL_INFO(dev_priv)->gen != 5)
return 0;
spin_lock_irq(&mchdev_lock);
@@ -5857,11 +6005,10 @@
static u32 pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid)
{
- struct drm_device *dev = dev_priv->dev;
const int vd = _pxvid_to_vd(pxvid);
const int vm = vd - 1125;
- if (INTEL_INFO(dev)->is_mobile)
+ if (INTEL_INFO(dev_priv)->is_mobile)
return vm > 0 ? vm : 0;
return vd;
@@ -5902,9 +6049,7 @@
void i915_update_gfx_val(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
-
- if (INTEL_INFO(dev)->gen != 5)
+ if (INTEL_INFO(dev_priv)->gen != 5)
return;
spin_lock_irq(&mchdev_lock);
@@ -5953,10 +6098,9 @@
unsigned long i915_gfx_val(struct drm_i915_private *dev_priv)
{
- struct drm_device *dev = dev_priv->dev;
unsigned long val;
- if (INTEL_INFO(dev)->gen != 5)
+ if (INTEL_INFO(dev_priv)->gen != 5)
return 0;
spin_lock_irq(&mchdev_lock);
@@ -6097,7 +6241,7 @@
dev_priv->ips.max_delay = dev_priv->ips.fstart;
- if (!ironlake_set_drps(dev_priv->dev, dev_priv->ips.fstart))
+ if (!ironlake_set_drps(dev_priv, dev_priv->ips.fstart))
ret = false;
out_unlock:
@@ -6145,9 +6289,8 @@
spin_unlock_irq(&mchdev_lock);
}
-static void intel_init_emon(struct drm_device *dev)
+static void intel_init_emon(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
u32 lcfuse;
u8 pxw[16];
int i;
@@ -6216,10 +6359,8 @@
dev_priv->ips.corr = (lcfuse & LCFUSE_HIV_MASK);
}
-void intel_init_gt_powersave(struct drm_device *dev)
+void intel_init_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/*
* RPM depends on RC6 to save restore the GT HW context, so make RC6 a
* requirement.
@@ -6229,74 +6370,66 @@
intel_runtime_pm_get(dev_priv);
}
- if (IS_CHERRYVIEW(dev))
- cherryview_init_gt_powersave(dev);
- else if (IS_VALLEYVIEW(dev))
- valleyview_init_gt_powersave(dev);
+ if (IS_CHERRYVIEW(dev_priv))
+ cherryview_init_gt_powersave(dev_priv);
+ else if (IS_VALLEYVIEW(dev_priv))
+ valleyview_init_gt_powersave(dev_priv);
}
-void intel_cleanup_gt_powersave(struct drm_device *dev)
+void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
return;
- else if (IS_VALLEYVIEW(dev))
- valleyview_cleanup_gt_powersave(dev);
+ else if (IS_VALLEYVIEW(dev_priv))
+ valleyview_cleanup_gt_powersave(dev_priv);
if (!i915.enable_rc6)
intel_runtime_pm_put(dev_priv);
}
-static void gen6_suspend_rps(struct drm_device *dev)
+static void gen6_suspend_rps(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
flush_delayed_work(&dev_priv->rps.delayed_resume_work);
- gen6_disable_rps_interrupts(dev);
+ gen6_disable_rps_interrupts(dev_priv);
}
/**
* intel_suspend_gt_powersave - suspend PM work and helper threads
- * @dev: drm device
+ * @dev_priv: i915 device
*
* We don't want to disable RC6 or other features here, we just want
* to make sure any work we've queued has finished and won't bother
* us while we're suspended.
*/
-void intel_suspend_gt_powersave(struct drm_device *dev)
+void intel_suspend_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_GEN(dev_priv) < 6)
return;
- gen6_suspend_rps(dev);
+ gen6_suspend_rps(dev_priv);
/* Force GPU to min freq during suspend */
gen6_rps_idle(dev_priv);
}
-void intel_disable_gt_powersave(struct drm_device *dev)
+void intel_disable_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (IS_IRONLAKE_M(dev)) {
- ironlake_disable_drps(dev);
- } else if (INTEL_INFO(dev)->gen >= 6) {
- intel_suspend_gt_powersave(dev);
+ if (IS_IRONLAKE_M(dev_priv)) {
+ ironlake_disable_drps(dev_priv);
+ } else if (INTEL_INFO(dev_priv)->gen >= 6) {
+ intel_suspend_gt_powersave(dev_priv);
mutex_lock(&dev_priv->rps.hw_lock);
- if (INTEL_INFO(dev)->gen >= 9) {
- gen9_disable_rc6(dev);
- gen9_disable_rps(dev);
- } else if (IS_CHERRYVIEW(dev))
- cherryview_disable_rps(dev);
- else if (IS_VALLEYVIEW(dev))
- valleyview_disable_rps(dev);
+ if (INTEL_INFO(dev_priv)->gen >= 9) {
+ gen9_disable_rc6(dev_priv);
+ gen9_disable_rps(dev_priv);
+ } else if (IS_CHERRYVIEW(dev_priv))
+ cherryview_disable_rps(dev_priv);
+ else if (IS_VALLEYVIEW(dev_priv))
+ valleyview_disable_rps(dev_priv);
else
- gen6_disable_rps(dev);
+ gen6_disable_rps(dev_priv);
dev_priv->rps.enabled = false;
mutex_unlock(&dev_priv->rps.hw_lock);
@@ -6308,27 +6441,26 @@
struct drm_i915_private *dev_priv =
container_of(work, struct drm_i915_private,
rps.delayed_resume_work.work);
- struct drm_device *dev = dev_priv->dev;
mutex_lock(&dev_priv->rps.hw_lock);
- gen6_reset_rps_interrupts(dev);
+ gen6_reset_rps_interrupts(dev_priv);
- if (IS_CHERRYVIEW(dev)) {
- cherryview_enable_rps(dev);
- } else if (IS_VALLEYVIEW(dev)) {
- valleyview_enable_rps(dev);
- } else if (INTEL_INFO(dev)->gen >= 9) {
- gen9_enable_rc6(dev);
- gen9_enable_rps(dev);
- if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
- __gen6_update_ring_freq(dev);
- } else if (IS_BROADWELL(dev)) {
- gen8_enable_rps(dev);
- __gen6_update_ring_freq(dev);
+ if (IS_CHERRYVIEW(dev_priv)) {
+ cherryview_enable_rps(dev_priv);
+ } else if (IS_VALLEYVIEW(dev_priv)) {
+ valleyview_enable_rps(dev_priv);
+ } else if (INTEL_INFO(dev_priv)->gen >= 9) {
+ gen9_enable_rc6(dev_priv);
+ gen9_enable_rps(dev_priv);
+ if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv))
+ __gen6_update_ring_freq(dev_priv);
+ } else if (IS_BROADWELL(dev_priv)) {
+ gen8_enable_rps(dev_priv);
+ __gen6_update_ring_freq(dev_priv);
} else {
- gen6_enable_rps(dev);
- __gen6_update_ring_freq(dev);
+ gen6_enable_rps(dev_priv);
+ __gen6_update_ring_freq(dev_priv);
}
WARN_ON(dev_priv->rps.max_freq < dev_priv->rps.min_freq);
@@ -6339,27 +6471,25 @@
dev_priv->rps.enabled = true;
- gen6_enable_rps_interrupts(dev);
+ gen6_enable_rps_interrupts(dev_priv);
mutex_unlock(&dev_priv->rps.hw_lock);
intel_runtime_pm_put(dev_priv);
}
-void intel_enable_gt_powersave(struct drm_device *dev)
+void intel_enable_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/* Powersaving is controlled by the host when inside a VM */
- if (intel_vgpu_active(dev))
+ if (intel_vgpu_active(dev_priv))
return;
- if (IS_IRONLAKE_M(dev)) {
- ironlake_enable_drps(dev);
- mutex_lock(&dev->struct_mutex);
- intel_init_emon(dev);
- mutex_unlock(&dev->struct_mutex);
- } else if (INTEL_INFO(dev)->gen >= 6) {
+ if (IS_IRONLAKE_M(dev_priv)) {
+ ironlake_enable_drps(dev_priv);
+ mutex_lock(&dev_priv->dev->struct_mutex);
+ intel_init_emon(dev_priv);
+ mutex_unlock(&dev_priv->dev->struct_mutex);
+ } else if (INTEL_INFO(dev_priv)->gen >= 6) {
/*
* PCU communication is slow and this doesn't need to be
* done at any specific time, so do this out of our fast path
@@ -6378,14 +6508,12 @@
}
}
-void intel_reset_gt_powersave(struct drm_device *dev)
+void intel_reset_gt_powersave(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (INTEL_INFO(dev)->gen < 6)
+ if (INTEL_INFO(dev_priv)->gen < 6)
return;
- gen6_suspend_rps(dev);
+ gen6_suspend_rps(dev_priv);
dev_priv->rps.enabled = false;
}
@@ -6698,11 +6826,42 @@
}
}
+static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv,
+ int general_prio_credits,
+ int high_prio_credits)
+{
+ u32 misccpctl;
+
+ /* WaTempDisableDOPClkGating:bdw */
+ misccpctl = I915_READ(GEN7_MISCCPCTL);
+ I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE);
+
+ I915_WRITE(GEN8_L3SQCREG1,
+ L3_GENERAL_PRIO_CREDITS(general_prio_credits) |
+ L3_HIGH_PRIO_CREDITS(high_prio_credits));
+
+ /*
+ * Wait at least 100 clocks before re-enabling clock gating.
+ * See the definition of L3SQCREG1 in BSpec.
+ */
+ POSTING_READ(GEN8_L3SQCREG1);
+ udelay(1);
+ I915_WRITE(GEN7_MISCCPCTL, misccpctl);
+}
+
+static void skylake_init_clock_gating(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ /* See Bspec note for PSR2_CTL bit 31, Wa#828:skl,kbl */
+ I915_WRITE(CHICKEN_PAR1_1,
+ I915_READ(CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP);
+}
+
static void broadwell_init_clock_gating(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
enum pipe pipe;
- uint32_t misccpctl;
ilk_init_lp_watermarks(dev);
@@ -6733,20 +6892,8 @@
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
- /*
- * WaProgramL3SqcReg1Default:bdw
- * WaTempDisableDOPClkGating:bdw
- */
- misccpctl = I915_READ(GEN7_MISCCPCTL);
- I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE);
- I915_WRITE(GEN8_L3SQCREG1, BDW_WA_L3SQCREG1_DEFAULT);
- /*
- * Wait at least 100 clocks before re-enabling clock gating. See
- * the definition of L3SQCREG1 in BSpec.
- */
- POSTING_READ(GEN8_L3SQCREG1);
- udelay(1);
- I915_WRITE(GEN7_MISCCPCTL, misccpctl);
+ /* WaProgramL3SqcReg1Default:bdw */
+ gen8_set_l3sqc_credits(dev_priv, 30, 2);
/*
* WaGttCachingOffByDefault:bdw
@@ -7017,6 +7164,13 @@
GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
/*
+ * WaProgramL3SqcReg1Default:chv
+ * See gfxspecs/Related Documents/Performance Guide/
+ * LSQC Setting Recommendations.
+ */
+ gen8_set_l3sqc_credits(dev_priv, 38, 2);
+
+ /*
* GTT cache may not work with big pages, so if those
* are ever enabled GTT cache may need to be disabled.
*/
@@ -7163,9 +7317,9 @@
void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv)
{
if (IS_SKYLAKE(dev_priv))
- dev_priv->display.init_clock_gating = nop_init_clock_gating;
+ dev_priv->display.init_clock_gating = skylake_init_clock_gating;
else if (IS_KABYLAKE(dev_priv))
- dev_priv->display.init_clock_gating = nop_init_clock_gating;
+ dev_priv->display.init_clock_gating = skylake_init_clock_gating;
else if (IS_BROXTON(dev_priv))
dev_priv->display.init_clock_gating = bxt_init_clock_gating;
else if (IS_BROADWELL(dev_priv))
@@ -7217,6 +7371,7 @@
if (INTEL_INFO(dev)->gen >= 9) {
skl_setup_wm_latency(dev);
dev_priv->display.update_wm = skl_update_wm;
+ dev_priv->display.compute_global_watermarks = skl_compute_wm;
} else if (HAS_PCH_SPLIT(dev)) {
ilk_setup_wm_latency(dev);
@@ -7390,19 +7545,17 @@
struct drm_i915_gem_request *req = boost->req;
if (!i915_gem_request_completed(req, true))
- gen6_rps_boost(to_i915(req->engine->dev), NULL,
- req->emitted_jiffies);
+ gen6_rps_boost(req->i915, NULL, req->emitted_jiffies);
- i915_gem_request_unreference__unlocked(req);
+ i915_gem_request_unreference(req);
kfree(boost);
}
-void intel_queue_rps_boost_for_request(struct drm_device *dev,
- struct drm_i915_gem_request *req)
+void intel_queue_rps_boost_for_request(struct drm_i915_gem_request *req)
{
struct request_boost *boost;
- if (req == NULL || INTEL_INFO(dev)->gen < 6)
+ if (req == NULL || INTEL_GEN(req->i915) < 6)
return;
if (i915_gem_request_completed(req, true))
@@ -7416,7 +7569,7 @@
boost->req = req;
INIT_WORK(&boost->work, __intel_rps_boost_work);
- queue_work(to_i915(dev)->wq, &boost->work);
+ queue_work(req->i915->wq, &boost->work);
}
void intel_pm_setup(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index a788d1e..29a09bf 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -176,7 +176,6 @@
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t aux_clock_divider;
i915_reg_t aux_ctl_reg;
- int precharge = 0x3;
static const uint8_t aux_msg[] = {
[0] = DP_AUX_NATIVE_WRITE << 4,
[1] = DP_SET_POWER >> 8,
@@ -185,6 +184,7 @@
[4] = DP_SET_POWER_D0,
};
enum port port = dig_port->port;
+ u32 aux_ctl;
int i;
BUILD_BUG_ON(sizeof(aux_msg) > 20);
@@ -197,6 +197,13 @@
DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF,
DP_AUX_FRAME_SYNC_ENABLE);
+ if (dev_priv->psr.link_standby)
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
+ DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE);
+ else
+ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
+ DP_PSR_ENABLE);
+
aux_ctl_reg = psr_aux_ctl_reg(dev_priv, port);
/* Setup AUX registers */
@@ -204,33 +211,9 @@
I915_WRITE(psr_aux_data_reg(dev_priv, port, i >> 2),
intel_dp_pack_aux(&aux_msg[i], sizeof(aux_msg) - i));
- if (INTEL_INFO(dev)->gen >= 9) {
- uint32_t val;
-
- val = I915_READ(aux_ctl_reg);
- val &= ~DP_AUX_CH_CTL_TIME_OUT_MASK;
- val |= DP_AUX_CH_CTL_TIME_OUT_1600us;
- val &= ~DP_AUX_CH_CTL_MESSAGE_SIZE_MASK;
- val |= (sizeof(aux_msg) << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT);
- /* Use hardcoded data values for PSR, frame sync and GTC */
- val &= ~DP_AUX_CH_CTL_PSR_DATA_AUX_REG_SKL;
- val &= ~DP_AUX_CH_CTL_FS_DATA_AUX_REG_SKL;
- val &= ~DP_AUX_CH_CTL_GTC_DATA_AUX_REG_SKL;
- I915_WRITE(aux_ctl_reg, val);
- } else {
- I915_WRITE(aux_ctl_reg,
- DP_AUX_CH_CTL_TIME_OUT_400us |
- (sizeof(aux_msg) << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
- (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
- (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT));
- }
-
- if (dev_priv->psr.link_standby)
- drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
- DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE);
- else
- drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG,
- DP_PSR_ENABLE);
+ aux_ctl = intel_dp->get_aux_send_ctl(intel_dp, 0, sizeof(aux_msg),
+ aux_clock_divider);
+ I915_WRITE(aux_ctl_reg, aux_ctl);
}
static void vlv_psr_enable_source(struct intel_dp *intel_dp)
@@ -272,14 +255,14 @@
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t max_sleep_time = 0x1f;
- /*
- * Let's respect VBT in case VBT asks a higher idle_frame value.
- * Let's use 6 as the minimum to cover all known cases including
- * the off-by-one issue that HW has in some cases. Also there are
- * cases where sink should be able to train
- * with the 5 or 6 idle patterns.
+ /* Lately it was identified that depending on panel idle frame count
+ * calculated at HW can be off by 1. So let's use what came
+ * from VBT + 1.
+ * There are also other cases where panel demands at least 4
+ * but VBT is not being set. To cover these 2 cases lets use
+ * at least 5 when VBT isn't set to be on the safest side.
*/
- uint32_t idle_frames = max(6, dev_priv->vbt.psr.idle_frames);
+ uint32_t idle_frames = dev_priv->vbt.psr.idle_frames + 1;
uint32_t val = EDP_PSR_ENABLE;
val |= max_sleep_time << EDP_PSR_MAX_SLEEP_TIME_SHIFT;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 04402bb..8d35a39 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -34,6 +34,11 @@
#include "i915_trace.h"
#include "intel_drv.h"
+/* Rough estimate of the typical request size, performing a flush,
+ * set-context and then emitting the batch.
+ */
+#define LEGACY_REQUEST_SIZE 200
+
int __intel_ring_space(int head, int tail, int size)
{
int space = head - tail;
@@ -55,7 +60,7 @@
bool intel_engine_stopped(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
return dev_priv->gpu_error.stop_rings & intel_engine_flag(engine);
}
@@ -101,7 +106,6 @@
u32 flush_domains)
{
struct intel_engine_cs *engine = req->engine;
- struct drm_device *dev = engine->dev;
u32 cmd;
int ret;
@@ -140,7 +144,7 @@
cmd |= MI_EXE_FLUSH;
if (invalidate_domains & I915_GEM_DOMAIN_COMMAND &&
- (IS_G4X(dev) || IS_GEN5(dev)))
+ (IS_G4X(req->i915) || IS_GEN5(req->i915)))
cmd |= MI_INVALIDATE_ISP;
ret = intel_ring_begin(req, 2);
@@ -426,19 +430,19 @@
static void ring_write_tail(struct intel_engine_cs *engine,
u32 value)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
I915_WRITE_TAIL(engine, value);
}
u64 intel_ring_get_active_head(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u64 acthd;
- if (INTEL_INFO(engine->dev)->gen >= 8)
+ if (INTEL_GEN(dev_priv) >= 8)
acthd = I915_READ64_2x32(RING_ACTHD(engine->mmio_base),
RING_ACTHD_UDW(engine->mmio_base));
- else if (INTEL_INFO(engine->dev)->gen >= 4)
+ else if (INTEL_GEN(dev_priv) >= 4)
acthd = I915_READ(RING_ACTHD(engine->mmio_base));
else
acthd = I915_READ(ACTHD);
@@ -448,25 +452,24 @@
static void ring_setup_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 addr;
addr = dev_priv->status_page_dmah->busaddr;
- if (INTEL_INFO(engine->dev)->gen >= 4)
+ if (INTEL_GEN(dev_priv) >= 4)
addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0;
I915_WRITE(HWS_PGA, addr);
}
static void intel_ring_setup_status_page(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
i915_reg_t mmio;
/* The ring status page addresses are no longer next to the rest of
* the ring registers as of gen7.
*/
- if (IS_GEN7(dev)) {
+ if (IS_GEN7(dev_priv)) {
switch (engine->id) {
case RCS:
mmio = RENDER_HWS_PGA_GEN7;
@@ -486,7 +489,7 @@
mmio = VEBOX_HWS_PGA_GEN7;
break;
}
- } else if (IS_GEN6(engine->dev)) {
+ } else if (IS_GEN6(dev_priv)) {
mmio = RING_HWS_PGA_GEN6(engine->mmio_base);
} else {
/* XXX: gen8 returns to sanity */
@@ -503,7 +506,7 @@
* arises: do we still need this and if so how should we go about
* invalidating the TLB?
*/
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) {
+ if (IS_GEN(dev_priv, 6, 7)) {
i915_reg_t reg = RING_INSTPM(engine->mmio_base);
/* ring should be idle before issuing a sync flush*/
@@ -521,9 +524,9 @@
static bool stop_ring(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
- if (!IS_GEN2(engine->dev)) {
+ if (!IS_GEN2(dev_priv)) {
I915_WRITE_MODE(engine, _MASKED_BIT_ENABLE(STOP_RING));
if (wait_for((I915_READ_MODE(engine) & MODE_IDLE) != 0, 1000)) {
DRM_ERROR("%s : timed out trying to stop ring\n",
@@ -541,7 +544,7 @@
I915_WRITE_HEAD(engine, 0);
engine->write_tail(engine, 0);
- if (!IS_GEN2(engine->dev)) {
+ if (!IS_GEN2(dev_priv)) {
(void)I915_READ_CTL(engine);
I915_WRITE_MODE(engine, _MASKED_BIT_DISABLE(STOP_RING));
}
@@ -556,8 +559,7 @@
static int init_ring_common(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct intel_ringbuffer *ringbuf = engine->buffer;
struct drm_i915_gem_object *obj = ringbuf->obj;
int ret = 0;
@@ -587,7 +589,7 @@
}
}
- if (I915_NEED_GFX_HWS(dev))
+ if (I915_NEED_GFX_HWS(dev_priv))
intel_ring_setup_status_page(engine);
else
ring_setup_phys_status_page(engine);
@@ -644,12 +646,10 @@
void
intel_fini_pipe_control(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
-
if (engine->scratch.obj == NULL)
return;
- if (INTEL_INFO(dev)->gen >= 5) {
+ if (INTEL_GEN(engine->i915) >= 5) {
kunmap(sg_page(engine->scratch.obj->pages->sgl));
i915_gem_object_ggtt_unpin(engine->scratch.obj);
}
@@ -665,10 +665,11 @@
WARN_ON(engine->scratch.obj);
- engine->scratch.obj = i915_gem_alloc_object(engine->dev, 4096);
- if (engine->scratch.obj == NULL) {
+ engine->scratch.obj = i915_gem_object_create(engine->i915->dev, 4096);
+ if (IS_ERR(engine->scratch.obj)) {
DRM_ERROR("Failed to allocate seqno page\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(engine->scratch.obj);
+ engine->scratch.obj = NULL;
goto err;
}
@@ -702,11 +703,9 @@
static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
{
- int ret, i;
struct intel_engine_cs *engine = req->engine;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_workarounds *w = &dev_priv->workarounds;
+ struct i915_workarounds *w = &req->i915->workarounds;
+ int ret, i;
if (w->count == 0)
return 0;
@@ -795,7 +794,7 @@
static int wa_ring_whitelist_reg(struct intel_engine_cs *engine,
i915_reg_t reg)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct i915_workarounds *wa = &dev_priv->workarounds;
const uint32_t index = wa->hw_whitelist_count[engine->id];
@@ -811,8 +810,7 @@
static int gen8_init_workarounds(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING);
@@ -863,9 +861,8 @@
static int bdw_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
ret = gen8_init_workarounds(engine);
if (ret)
@@ -885,16 +882,15 @@
/* WaForceContextSaveRestoreNonCoherent:bdw */
HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT |
/* WaDisableFenceDestinationToSLM:bdw (pre-prod) */
- (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
+ (IS_BDW_GT3(dev_priv) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
return 0;
}
static int chv_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
ret = gen8_init_workarounds(engine);
if (ret)
@@ -911,8 +907,7 @@
static int gen9_init_workarounds(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
uint32_t tmp;
int ret;
@@ -935,14 +930,14 @@
GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
/* WaDisableDgMirrorFixInHalfSliceChicken5:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
GEN9_DG_MIRROR_FIX_ENABLE);
/* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_B0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_B0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
WA_SET_BIT_MASKED(GEN7_COMMON_SLICE_CHICKEN1,
GEN9_RHWO_OPTIMIZATION_DISABLE);
/*
@@ -968,20 +963,20 @@
GEN9_CCS_TLB_PREFETCH_ENABLE);
/* WaDisableMaskBasedCammingInRCC:skl,bxt */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, SKL_REVID_C0) ||
- IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_C0) ||
+ IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0,
PIXEL_MASK_CAMMING_DISABLE);
/* WaForceContextSaveRestoreNonCoherent:skl,bxt */
tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT;
- if (IS_SKL_REVID(dev, SKL_REVID_F0, REVID_FOREVER) ||
- IS_BXT_REVID(dev, BXT_REVID_B0, REVID_FOREVER))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_F0, REVID_FOREVER) ||
+ IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER))
tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE;
WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp);
/* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt */
- if (IS_SKYLAKE(dev) || IS_BXT_REVID(dev, 0, BXT_REVID_B0))
+ if (IS_SKYLAKE(dev_priv) || IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
GEN8_SAMPLER_POWER_BYPASS_DIS);
@@ -1007,8 +1002,7 @@
static int skl_tune_iz_hashing(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u8 vals[3] = { 0, 0, 0 };
unsigned int i;
@@ -1049,9 +1043,8 @@
static int skl_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
ret = gen9_init_workarounds(engine);
if (ret)
@@ -1062,12 +1055,12 @@
* until D0 which is the default case so this is equivalent to
* !WaDisablePerCtxtPreemptionGranularityControl:skl
*/
- if (IS_SKL_REVID(dev, SKL_REVID_E0, REVID_FOREVER)) {
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_E0, REVID_FOREVER)) {
I915_WRITE(GEN7_FF_SLICE_CS_CHICKEN1,
_MASKED_BIT_ENABLE(GEN9_FFSC_PERCTX_PREEMPT_CTRL));
}
- if (IS_SKL_REVID(dev, 0, SKL_REVID_D0)) {
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_D0)) {
/* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */
I915_WRITE(FF_SLICE_CS_CHICKEN2,
_MASKED_BIT_ENABLE(GEN9_TSG_BARRIER_ACK_DISABLE));
@@ -1076,24 +1069,24 @@
/* GEN8_L3SQCREG4 has a dependency with WA batch so any new changes
* involving this register should also be added to WA batch as required.
*/
- if (IS_SKL_REVID(dev, 0, SKL_REVID_E0))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_E0))
/* WaDisableLSQCROPERFforOCL:skl */
I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) |
GEN8_LQSC_RO_PERF_DIS);
/* WaEnableGapsTsvCreditFix:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, REVID_FOREVER)) {
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, REVID_FOREVER)) {
I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
GEN9_GAPS_TSV_CREDIT_DISABLE));
}
/* WaDisablePowerCompilerClockGating:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_B0, SKL_REVID_B0))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_B0, SKL_REVID_B0))
WA_SET_BIT_MASKED(HIZ_CHICKEN,
BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
/* This is tied to WaForceContextSaveRestoreNonCoherent */
- if (IS_SKL_REVID(dev, 0, REVID_FOREVER)) {
+ if (IS_SKL_REVID(dev_priv, 0, REVID_FOREVER)) {
/*
*Use Force Non-Coherent whenever executing a 3D context. This
* is a workaround for a possible hang in the unlikely event
@@ -1109,13 +1102,13 @@
}
/* WaBarrierPerformanceFixDisable:skl */
- if (IS_SKL_REVID(dev, SKL_REVID_C0, SKL_REVID_D0))
+ if (IS_SKL_REVID(dev_priv, SKL_REVID_C0, SKL_REVID_D0))
WA_SET_BIT_MASKED(HDC_CHICKEN0,
HDC_FENCE_DEST_SLM_DISABLE |
HDC_BARRIER_PERFORMANCE_DISABLE);
/* WaDisableSbeCacheDispatchPortSharing:skl */
- if (IS_SKL_REVID(dev, 0, SKL_REVID_F0))
+ if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_F0))
WA_SET_BIT_MASKED(
GEN7_HALF_SLICE_CHICKEN1,
GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
@@ -1130,9 +1123,8 @@
static int bxt_init_workarounds(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
ret = gen9_init_workarounds(engine);
if (ret)
@@ -1140,11 +1132,11 @@
/* WaStoreMultiplePTEenable:bxt */
/* This is a requirement according to Hardware specification */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1))
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1))
I915_WRITE(TILECTL, I915_READ(TILECTL) | TILECTL_TLBPF);
/* WaSetClckGatingDisableMedia:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
I915_WRITE(GEN7_MISCCPCTL, (I915_READ(GEN7_MISCCPCTL) &
~GEN8_DOP_CLOCK_GATE_MEDIA_ENABLE));
}
@@ -1154,7 +1146,7 @@
STALL_DOP_GATING_DISABLE);
/* WaDisableSbeCacheDispatchPortSharing:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_B0)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0)) {
WA_SET_BIT_MASKED(
GEN7_HALF_SLICE_CHICKEN1,
GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
@@ -1164,7 +1156,7 @@
/* WaDisableObjectLevelPreemptionForInstancedDraw:bxt */
/* WaDisableObjectLevelPreemtionForInstanceId:bxt */
/* WaDisableLSQCROPERFforOCL:bxt */
- if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) {
+ if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
ret = wa_ring_whitelist_reg(engine, GEN9_CS_DEBUG_MODE1);
if (ret)
return ret;
@@ -1174,29 +1166,33 @@
return ret;
}
+ /* WaProgramL3SqcReg1DefaultForPerf:bxt */
+ if (IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER))
+ I915_WRITE(GEN8_L3SQCREG1, L3_GENERAL_PRIO_CREDITS(62) |
+ L3_HIGH_PRIO_CREDITS(2));
+
return 0;
}
int init_workarounds_ring(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
WARN_ON(engine->id != RCS);
dev_priv->workarounds.count = 0;
dev_priv->workarounds.hw_whitelist_count[RCS] = 0;
- if (IS_BROADWELL(dev))
+ if (IS_BROADWELL(dev_priv))
return bdw_init_workarounds(engine);
- if (IS_CHERRYVIEW(dev))
+ if (IS_CHERRYVIEW(dev_priv))
return chv_init_workarounds(engine);
- if (IS_SKYLAKE(dev))
+ if (IS_SKYLAKE(dev_priv))
return skl_init_workarounds(engine);
- if (IS_BROXTON(dev))
+ if (IS_BROXTON(dev_priv))
return bxt_init_workarounds(engine);
return 0;
@@ -1204,14 +1200,13 @@
static int init_render_ring(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
int ret = init_ring_common(engine);
if (ret)
return ret;
/* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */
- if (INTEL_INFO(dev)->gen >= 4 && INTEL_INFO(dev)->gen < 7)
+ if (IS_GEN(dev_priv, 4, 6))
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH));
/* We need to disable the AsyncFlip performance optimisations in order
@@ -1220,22 +1215,22 @@
*
* WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv
*/
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
+ if (IS_GEN(dev_priv, 6, 7))
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
/* Required for the hardware to program scanline values for waiting */
/* WaEnableFlushTlbInvalidationMode:snb */
- if (INTEL_INFO(dev)->gen == 6)
+ if (IS_GEN6(dev_priv))
I915_WRITE(GFX_MODE,
_MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT));
/* WaBCSVCSTlbInvalidationMode:ivb,vlv,hsw */
- if (IS_GEN7(dev))
+ if (IS_GEN7(dev_priv))
I915_WRITE(GFX_MODE_GEN7,
_MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT) |
_MASKED_BIT_ENABLE(GFX_REPLAY_MODE));
- if (IS_GEN6(dev)) {
+ if (IS_GEN6(dev_priv)) {
/* From the Sandybridge PRM, volume 1 part 3, page 24:
* "If this bit is set, STCunit will have LRA as replacement
* policy. [...] This bit must be reset. LRA replacement
@@ -1245,19 +1240,18 @@
_MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB));
}
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
+ if (IS_GEN(dev_priv, 6, 7))
I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING));
- if (HAS_L3_DPF(dev))
- I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev));
+ if (HAS_L3_DPF(dev_priv))
+ I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
return init_workarounds_ring(engine);
}
static void render_ring_cleanup(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
if (dev_priv->semaphore_obj) {
i915_gem_object_ggtt_unpin(dev_priv->semaphore_obj);
@@ -1273,13 +1267,12 @@
{
#define MBOX_UPDATE_DWORDS 8
struct intel_engine_cs *signaller = signaller_req->engine;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *waiter;
enum intel_engine_id id;
int ret, num_rings;
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS;
#undef MBOX_UPDATE_DWORDS
@@ -1297,7 +1290,7 @@
intel_ring_emit(signaller, GFX_OP_PIPE_CONTROL(6));
intel_ring_emit(signaller, PIPE_CONTROL_GLOBAL_GTT_IVB |
PIPE_CONTROL_QW_WRITE |
- PIPE_CONTROL_FLUSH_ENABLE);
+ PIPE_CONTROL_CS_STALL);
intel_ring_emit(signaller, lower_32_bits(gtt_offset));
intel_ring_emit(signaller, upper_32_bits(gtt_offset));
intel_ring_emit(signaller, seqno);
@@ -1315,13 +1308,12 @@
{
#define MBOX_UPDATE_DWORDS 6
struct intel_engine_cs *signaller = signaller_req->engine;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *waiter;
enum intel_engine_id id;
int ret, num_rings;
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS;
#undef MBOX_UPDATE_DWORDS
@@ -1354,14 +1346,13 @@
unsigned int num_dwords)
{
struct intel_engine_cs *signaller = signaller_req->engine;
- struct drm_device *dev = signaller->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = signaller_req->i915;
struct intel_engine_cs *useless;
enum intel_engine_id id;
int ret, num_rings;
#define MBOX_UPDATE_DWORDS 3
- num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
+ num_rings = hweight32(INTEL_INFO(dev_priv)->ring_mask);
num_dwords += round_up((num_rings-1) * MBOX_UPDATE_DWORDS, 2);
#undef MBOX_UPDATE_DWORDS
@@ -1420,10 +1411,38 @@
return 0;
}
-static inline bool i915_gem_has_seqno_wrapped(struct drm_device *dev,
+static int
+gen8_render_add_request(struct drm_i915_gem_request *req)
+{
+ struct intel_engine_cs *engine = req->engine;
+ int ret;
+
+ if (engine->semaphore.signal)
+ ret = engine->semaphore.signal(req, 8);
+ else
+ ret = intel_ring_begin(req, 8);
+ if (ret)
+ return ret;
+
+ intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(6));
+ intel_ring_emit(engine, (PIPE_CONTROL_GLOBAL_GTT_IVB |
+ PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_QW_WRITE));
+ intel_ring_emit(engine, intel_hws_seqno_address(req->engine));
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+ /* We're thrashing one dword of HWS. */
+ intel_ring_emit(engine, 0);
+ intel_ring_emit(engine, MI_USER_INTERRUPT);
+ intel_ring_emit(engine, MI_NOOP);
+ __intel_ring_advance(engine);
+
+ return 0;
+}
+
+static inline bool i915_gem_has_seqno_wrapped(struct drm_i915_private *dev_priv,
u32 seqno)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
return dev_priv->last_seqno < seqno;
}
@@ -1441,7 +1460,8 @@
u32 seqno)
{
struct intel_engine_cs *waiter = waiter_req->engine;
- struct drm_i915_private *dev_priv = waiter->dev->dev_private;
+ struct drm_i915_private *dev_priv = waiter_req->i915;
+ struct i915_hw_ppgtt *ppgtt;
int ret;
ret = intel_ring_begin(waiter_req, 4);
@@ -1450,7 +1470,6 @@
intel_ring_emit(waiter, MI_SEMAPHORE_WAIT |
MI_SEMAPHORE_GLOBAL_GTT |
- MI_SEMAPHORE_POLL |
MI_SEMAPHORE_SAD_GTE_SDD);
intel_ring_emit(waiter, seqno);
intel_ring_emit(waiter,
@@ -1458,6 +1477,15 @@
intel_ring_emit(waiter,
upper_32_bits(GEN8_WAIT_OFFSET(waiter, signaller->id)));
intel_ring_advance(waiter);
+
+ /* When the !RCS engines idle waiting upon a semaphore, they lose their
+ * pagetables and we must reload them before executing the batch.
+ * We do this on the i915_switch_context() following the wait and
+ * before the dispatch.
+ */
+ ppgtt = waiter_req->ctx->ppgtt;
+ if (ppgtt && waiter_req->engine->id != RCS)
+ ppgtt->pd_dirty_rings |= intel_engine_flag(waiter_req->engine);
return 0;
}
@@ -1486,7 +1514,7 @@
return ret;
/* If seqno wrap happened, omit the wait with no-ops */
- if (likely(!i915_gem_has_seqno_wrapped(waiter->dev, seqno))) {
+ if (likely(!i915_gem_has_seqno_wrapped(waiter_req->i915, seqno))) {
intel_ring_emit(waiter, dw1 | wait_mbox);
intel_ring_emit(waiter, seqno);
intel_ring_emit(waiter, 0);
@@ -1567,7 +1595,7 @@
static void
gen6_seqno_barrier(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
/* Workaround to force correct ordering between irq and seqno writes on
* ivb (and maybe also on snb) by reading from a CS register (like
@@ -1616,8 +1644,7 @@
static bool
gen5_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (WARN_ON(!intel_irqs_enabled(dev_priv)))
@@ -1634,8 +1661,7 @@
static void
gen5_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
@@ -1647,8 +1673,7 @@
static bool
i9xx_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (!intel_irqs_enabled(dev_priv))
@@ -1668,8 +1693,7 @@
static void
i9xx_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
@@ -1684,8 +1708,7 @@
static bool
i8xx_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (!intel_irqs_enabled(dev_priv))
@@ -1705,8 +1728,7 @@
static void
i8xx_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
@@ -1759,8 +1781,7 @@
static bool
gen6_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (WARN_ON(!intel_irqs_enabled(dev_priv)))
@@ -1768,10 +1789,10 @@
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (engine->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev) && engine->id == RCS)
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
I915_WRITE_IMR(engine,
~(engine->irq_enable_mask |
- GT_PARITY_ERROR(dev)));
+ GT_PARITY_ERROR(dev_priv)));
else
I915_WRITE_IMR(engine, ~engine->irq_enable_mask);
gen5_enable_gt_irq(dev_priv, engine->irq_enable_mask);
@@ -1784,14 +1805,13 @@
static void
gen6_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--engine->irq_refcount == 0) {
- if (HAS_L3_DPF(dev) && engine->id == RCS)
- I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev));
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS)
+ I915_WRITE_IMR(engine, ~GT_PARITY_ERROR(dev_priv));
else
I915_WRITE_IMR(engine, ~0);
gen5_disable_gt_irq(dev_priv, engine->irq_enable_mask);
@@ -1802,8 +1822,7 @@
static bool
hsw_vebox_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (WARN_ON(!intel_irqs_enabled(dev_priv)))
@@ -1822,8 +1841,7 @@
static void
hsw_vebox_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
@@ -1837,8 +1855,7 @@
static bool
gen8_ring_get_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
if (WARN_ON(!intel_irqs_enabled(dev_priv)))
@@ -1846,7 +1863,7 @@
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (engine->irq_refcount++ == 0) {
- if (HAS_L3_DPF(dev) && engine->id == RCS) {
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS) {
I915_WRITE_IMR(engine,
~(engine->irq_enable_mask |
GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
@@ -1863,13 +1880,12 @@
static void
gen8_ring_put_irq(struct intel_engine_cs *engine)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
if (--engine->irq_refcount == 0) {
- if (HAS_L3_DPF(dev) && engine->id == RCS) {
+ if (HAS_L3_DPF(dev_priv) && engine->id == RCS) {
I915_WRITE_IMR(engine,
~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
} else {
@@ -1991,12 +2007,12 @@
static void cleanup_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
if (!dev_priv->status_page_dmah)
return;
- drm_pci_free(engine->dev, dev_priv->status_page_dmah);
+ drm_pci_free(dev_priv->dev, dev_priv->status_page_dmah);
engine->status_page.page_addr = NULL;
}
@@ -2022,10 +2038,10 @@
unsigned flags;
int ret;
- obj = i915_gem_alloc_object(engine->dev, 4096);
- if (obj == NULL) {
+ obj = i915_gem_object_create(engine->i915->dev, 4096);
+ if (IS_ERR(obj)) {
DRM_ERROR("Failed to allocate status page\n");
- return -ENOMEM;
+ return PTR_ERR(obj);
}
ret = i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
@@ -2033,7 +2049,7 @@
goto err_unref;
flags = 0;
- if (!HAS_LLC(engine->dev))
+ if (!HAS_LLC(engine->i915))
/* On g33, we cannot place HWS above 256MiB, so
* restrict its pinning to the low mappable arena.
* Though this restriction is not documented for
@@ -2067,11 +2083,11 @@
static int init_phys_status_page(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
if (!dev_priv->status_page_dmah) {
dev_priv->status_page_dmah =
- drm_pci_alloc(engine->dev, PAGE_SIZE, PAGE_SIZE);
+ drm_pci_alloc(dev_priv->dev, PAGE_SIZE, PAGE_SIZE);
if (!dev_priv->status_page_dmah)
return -ENOMEM;
}
@@ -2084,20 +2100,22 @@
void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
{
+ GEM_BUG_ON(ringbuf->vma == NULL);
+ GEM_BUG_ON(ringbuf->virtual_start == NULL);
+
if (HAS_LLC(ringbuf->obj->base.dev) && !ringbuf->obj->stolen)
i915_gem_object_unpin_map(ringbuf->obj);
else
- iounmap(ringbuf->virtual_start);
+ i915_vma_unpin_iomap(ringbuf->vma);
ringbuf->virtual_start = NULL;
- ringbuf->vma = NULL;
+
i915_gem_object_ggtt_unpin(ringbuf->obj);
+ ringbuf->vma = NULL;
}
-int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev,
+int intel_pin_and_map_ringbuffer_obj(struct drm_i915_private *dev_priv,
struct intel_ringbuffer *ringbuf)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct i915_ggtt *ggtt = &dev_priv->ggtt;
struct drm_i915_gem_object *obj = ringbuf->obj;
/* Ring wraparound at offset 0 sometimes hangs. No idea why. */
unsigned flags = PIN_OFFSET_BIAS | 4096;
@@ -2131,10 +2149,9 @@
/* Access through the GTT requires the device to be awake. */
assert_rpm_wakelock_held(dev_priv);
- addr = ioremap_wc(ggtt->mappable_base +
- i915_gem_obj_ggtt_offset(obj), ringbuf->size);
- if (addr == NULL) {
- ret = -ENOMEM;
+ addr = i915_vma_pin_iomap(i915_gem_obj_to_ggtt(obj));
+ if (IS_ERR(addr)) {
+ ret = PTR_ERR(addr);
goto err_unpin;
}
}
@@ -2163,9 +2180,9 @@
if (!HAS_LLC(dev))
obj = i915_gem_object_create_stolen(dev, ringbuf->size);
if (obj == NULL)
- obj = i915_gem_alloc_object(dev, ringbuf->size);
- if (obj == NULL)
- return -ENOMEM;
+ obj = i915_gem_object_create(dev, ringbuf->size);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
/* mark ring buffers as read-only from GPU side by default */
obj->gt_ro = 1;
@@ -2197,13 +2214,13 @@
* of the buffer.
*/
ring->effective_size = size;
- if (IS_I830(engine->dev) || IS_845G(engine->dev))
+ if (IS_I830(engine->i915) || IS_845G(engine->i915))
ring->effective_size -= 2 * CACHELINE_BYTES;
ring->last_retired_head = -1;
intel_ring_update_space(ring);
- ret = intel_alloc_ringbuffer_obj(engine->dev, ring);
+ ret = intel_alloc_ringbuffer_obj(engine->i915->dev, ring);
if (ret) {
DRM_DEBUG_DRIVER("Failed to allocate ringbuffer %s: %d\n",
engine->name, ret);
@@ -2226,12 +2243,13 @@
static int intel_init_ring_buffer(struct drm_device *dev,
struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_ringbuffer *ringbuf;
int ret;
WARN_ON(engine->buffer);
- engine->dev = dev;
+ engine->i915 = dev_priv;
INIT_LIST_HEAD(&engine->active_list);
INIT_LIST_HEAD(&engine->request_list);
INIT_LIST_HEAD(&engine->execlist_queue);
@@ -2249,7 +2267,7 @@
}
engine->buffer = ringbuf;
- if (I915_NEED_GFX_HWS(dev)) {
+ if (I915_NEED_GFX_HWS(dev_priv)) {
ret = init_status_page(engine);
if (ret)
goto error;
@@ -2260,7 +2278,7 @@
goto error;
}
- ret = intel_pin_and_map_ringbuffer_obj(dev, ringbuf);
+ ret = intel_pin_and_map_ringbuffer_obj(dev_priv, ringbuf);
if (ret) {
DRM_ERROR("Failed to pin and map ringbuffer %s: %d\n",
engine->name, ret);
@@ -2286,11 +2304,11 @@
if (!intel_engine_initialized(engine))
return;
- dev_priv = to_i915(engine->dev);
+ dev_priv = engine->i915;
if (engine->buffer) {
intel_stop_engine(engine);
- WARN_ON(!IS_GEN2(engine->dev) && (I915_READ_MODE(engine) & MODE_IDLE) == 0);
+ WARN_ON(!IS_GEN2(dev_priv) && (I915_READ_MODE(engine) & MODE_IDLE) == 0);
intel_unpin_ringbuffer_obj(engine->buffer);
intel_ringbuffer_free(engine->buffer);
@@ -2300,7 +2318,7 @@
if (engine->cleanup)
engine->cleanup(engine);
- if (I915_NEED_GFX_HWS(engine->dev)) {
+ if (I915_NEED_GFX_HWS(dev_priv)) {
cleanup_status_page(engine);
} else {
WARN_ON(engine->id != RCS);
@@ -2309,7 +2327,7 @@
i915_cmd_parser_fini_ring(engine);
i915_gem_batch_pool_fini(&engine->batch_pool);
- engine->dev = NULL;
+ engine->i915 = NULL;
}
int intel_engine_idle(struct intel_engine_cs *engine)
@@ -2332,46 +2350,22 @@
int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request)
{
- request->ringbuf = request->engine->buffer;
- return 0;
-}
+ int ret;
-int intel_ring_reserve_space(struct drm_i915_gem_request *request)
-{
- /*
- * The first call merely notes the reserve request and is common for
- * all back ends. The subsequent localised _begin() call actually
- * ensures that the reservation is available. Without the begin, if
- * the request creator immediately submitted the request without
- * adding any commands to it then there might not actually be
- * sufficient room for the submission commands.
+ /* Flush enough space to reduce the likelihood of waiting after
+ * we start building the request - in which case we will just
+ * have to repeat work.
*/
- intel_ring_reserved_space_reserve(request->ringbuf, MIN_SPACE_FOR_ADD_REQUEST);
+ request->reserved_space += LEGACY_REQUEST_SIZE;
- return intel_ring_begin(request, 0);
-}
+ request->ringbuf = request->engine->buffer;
-void intel_ring_reserved_space_reserve(struct intel_ringbuffer *ringbuf, int size)
-{
- GEM_BUG_ON(ringbuf->reserved_size);
- ringbuf->reserved_size = size;
-}
+ ret = intel_ring_begin(request, 0);
+ if (ret)
+ return ret;
-void intel_ring_reserved_space_cancel(struct intel_ringbuffer *ringbuf)
-{
- GEM_BUG_ON(!ringbuf->reserved_size);
- ringbuf->reserved_size = 0;
-}
-
-void intel_ring_reserved_space_use(struct intel_ringbuffer *ringbuf)
-{
- GEM_BUG_ON(!ringbuf->reserved_size);
- ringbuf->reserved_size = 0;
-}
-
-void intel_ring_reserved_space_end(struct intel_ringbuffer *ringbuf)
-{
- GEM_BUG_ON(ringbuf->reserved_size);
+ request->reserved_space -= LEGACY_REQUEST_SIZE;
+ return 0;
}
static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
@@ -2393,7 +2387,7 @@
*
* See also i915_gem_request_alloc() and i915_add_request().
*/
- GEM_BUG_ON(!ringbuf->reserved_size);
+ GEM_BUG_ON(!req->reserved_space);
list_for_each_entry(target, &engine->request_list, list) {
unsigned space;
@@ -2428,7 +2422,7 @@
int total_bytes, wait_bytes;
bool need_wrap = false;
- total_bytes = bytes + ringbuf->reserved_size;
+ total_bytes = bytes + req->reserved_space;
if (unlikely(bytes > remain_usable)) {
/*
@@ -2444,7 +2438,7 @@
* and only need to effectively wait for the reserved
* size space from the start of ringbuffer.
*/
- wait_bytes = remain_actual + ringbuf->reserved_size;
+ wait_bytes = remain_actual + req->reserved_space;
} else {
/* No wrapping required, just waiting. */
wait_bytes = total_bytes;
@@ -2501,7 +2495,7 @@
void intel_ring_init_seqno(struct intel_engine_cs *engine, u32 seqno)
{
- struct drm_i915_private *dev_priv = to_i915(engine->dev);
+ struct drm_i915_private *dev_priv = engine->i915;
/* Our semaphore implementation is strictly monotonic (i.e. we proceed
* so long as the semaphore value in the register/page is greater
@@ -2511,7 +2505,7 @@
* the semaphore value, then when the seqno moves backwards all
* future waits will complete instantly (causing rendering corruption).
*/
- if (INTEL_INFO(dev_priv)->gen == 6 || INTEL_INFO(dev_priv)->gen == 7) {
+ if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) {
I915_WRITE(RING_SYNC_0(engine->mmio_base), 0);
I915_WRITE(RING_SYNC_1(engine->mmio_base), 0);
if (HAS_VEBOX(dev_priv))
@@ -2537,7 +2531,7 @@
static void gen6_bsd_ring_write_tail(struct intel_engine_cs *engine,
u32 value)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
/* Every tail move must follow the sequence below */
@@ -2579,7 +2573,7 @@
return ret;
cmd = MI_FLUSH_DW;
- if (INTEL_INFO(engine->dev)->gen >= 8)
+ if (INTEL_GEN(req->i915) >= 8)
cmd += 1;
/* We always require a command barrier so that subsequent
@@ -2601,7 +2595,7 @@
intel_ring_emit(engine, cmd);
intel_ring_emit(engine,
I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
- if (INTEL_INFO(engine->dev)->gen >= 8) {
+ if (INTEL_GEN(req->i915) >= 8) {
intel_ring_emit(engine, 0); /* upper addr */
intel_ring_emit(engine, 0); /* value */
} else {
@@ -2692,7 +2686,6 @@
u32 invalidate, u32 flush)
{
struct intel_engine_cs *engine = req->engine;
- struct drm_device *dev = engine->dev;
uint32_t cmd;
int ret;
@@ -2701,7 +2694,7 @@
return ret;
cmd = MI_FLUSH_DW;
- if (INTEL_INFO(dev)->gen >= 8)
+ if (INTEL_GEN(req->i915) >= 8)
cmd += 1;
/* We always require a command barrier so that subsequent
@@ -2722,7 +2715,7 @@
intel_ring_emit(engine, cmd);
intel_ring_emit(engine,
I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(req->i915) >= 8) {
intel_ring_emit(engine, 0); /* upper addr */
intel_ring_emit(engine, 0); /* value */
} else {
@@ -2747,10 +2740,10 @@
engine->hw_id = 0;
engine->mmio_base = RENDER_RING_BASE;
- if (INTEL_INFO(dev)->gen >= 8) {
- if (i915_semaphore_is_enabled(dev)) {
- obj = i915_gem_alloc_object(dev, 4096);
- if (obj == NULL) {
+ if (INTEL_GEN(dev_priv) >= 8) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
+ obj = i915_gem_object_create(dev, 4096);
+ if (IS_ERR(obj)) {
DRM_ERROR("Failed to allocate semaphore bo. Disabling semaphores\n");
i915.semaphores = 0;
} else {
@@ -2766,25 +2759,24 @@
}
engine->init_context = intel_rcs_ctx_init;
- engine->add_request = gen6_add_request;
+ engine->add_request = gen8_render_add_request;
engine->flush = gen8_render_ring_flush;
engine->irq_get = gen8_ring_get_irq;
engine->irq_put = gen8_ring_put_irq;
engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
- engine->irq_seqno_barrier = gen6_seqno_barrier;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
WARN_ON(!dev_priv->semaphore_obj);
engine->semaphore.sync_to = gen8_ring_sync;
engine->semaphore.signal = gen8_rcs_signal;
GEN8_RING_SEMAPHORE_INIT(engine);
}
- } else if (INTEL_INFO(dev)->gen >= 6) {
+ } else if (INTEL_GEN(dev_priv) >= 6) {
engine->init_context = intel_rcs_ctx_init;
engine->add_request = gen6_add_request;
engine->flush = gen7_render_ring_flush;
- if (INTEL_INFO(dev)->gen == 6)
+ if (IS_GEN6(dev_priv))
engine->flush = gen6_render_ring_flush;
engine->irq_get = gen6_ring_get_irq;
engine->irq_put = gen6_ring_put_irq;
@@ -2792,7 +2784,7 @@
engine->irq_seqno_barrier = gen6_seqno_barrier;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen6_ring_sync;
engine->semaphore.signal = gen6_signal;
/*
@@ -2813,7 +2805,7 @@
engine->semaphore.mbox.signal[VECS] = GEN6_VERSYNC;
engine->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
}
- } else if (IS_GEN5(dev)) {
+ } else if (IS_GEN5(dev_priv)) {
engine->add_request = pc_render_add_request;
engine->flush = gen4_render_ring_flush;
engine->get_seqno = pc_render_get_seqno;
@@ -2824,13 +2816,13 @@
GT_RENDER_PIPECTL_NOTIFY_INTERRUPT;
} else {
engine->add_request = i9xx_add_request;
- if (INTEL_INFO(dev)->gen < 4)
+ if (INTEL_GEN(dev_priv) < 4)
engine->flush = gen2_render_ring_flush;
else
engine->flush = gen4_render_ring_flush;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (IS_GEN2(dev)) {
+ if (IS_GEN2(dev_priv)) {
engine->irq_get = i8xx_ring_get_irq;
engine->irq_put = i8xx_ring_put_irq;
} else {
@@ -2841,15 +2833,15 @@
}
engine->write_tail = ring_write_tail;
- if (IS_HASWELL(dev))
+ if (IS_HASWELL(dev_priv))
engine->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
- else if (IS_GEN8(dev))
+ else if (IS_GEN8(dev_priv))
engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- else if (INTEL_INFO(dev)->gen >= 6)
+ else if (INTEL_GEN(dev_priv) >= 6)
engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- else if (INTEL_INFO(dev)->gen >= 4)
+ else if (INTEL_GEN(dev_priv) >= 4)
engine->dispatch_execbuffer = i965_dispatch_execbuffer;
- else if (IS_I830(dev) || IS_845G(dev))
+ else if (IS_I830(dev_priv) || IS_845G(dev_priv))
engine->dispatch_execbuffer = i830_dispatch_execbuffer;
else
engine->dispatch_execbuffer = i915_dispatch_execbuffer;
@@ -2857,11 +2849,11 @@
engine->cleanup = render_ring_cleanup;
/* Workaround batchbuffer to combat CS tlb bug. */
- if (HAS_BROKEN_CS_TLB(dev)) {
- obj = i915_gem_alloc_object(dev, I830_WA_SIZE);
- if (obj == NULL) {
+ if (HAS_BROKEN_CS_TLB(dev_priv)) {
+ obj = i915_gem_object_create(dev, I830_WA_SIZE);
+ if (IS_ERR(obj)) {
DRM_ERROR("Failed to allocate batch bo\n");
- return -ENOMEM;
+ return PTR_ERR(obj);
}
ret = i915_gem_obj_ggtt_pin(obj, 0, 0);
@@ -2879,7 +2871,7 @@
if (ret)
return ret;
- if (INTEL_INFO(dev)->gen >= 5) {
+ if (INTEL_GEN(dev_priv) >= 5) {
ret = intel_init_pipe_control(engine);
if (ret)
return ret;
@@ -2899,24 +2891,24 @@
engine->hw_id = 1;
engine->write_tail = ring_write_tail;
- if (INTEL_INFO(dev)->gen >= 6) {
+ if (INTEL_GEN(dev_priv) >= 6) {
engine->mmio_base = GEN6_BSD_RING_BASE;
/* gen6 bsd needs a special wa for tail updates */
- if (IS_GEN6(dev))
+ if (IS_GEN6(dev_priv))
engine->write_tail = gen6_bsd_ring_write_tail;
engine->flush = gen6_bsd_ring_flush;
engine->add_request = gen6_add_request;
engine->irq_seqno_barrier = gen6_seqno_barrier;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT;
engine->irq_get = gen8_ring_get_irq;
engine->irq_put = gen8_ring_put_irq;
engine->dispatch_execbuffer =
gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen8_ring_sync;
engine->semaphore.signal = gen8_xcs_signal;
GEN8_RING_SEMAPHORE_INIT(engine);
@@ -2927,7 +2919,7 @@
engine->irq_put = gen6_ring_put_irq;
engine->dispatch_execbuffer =
gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen6_ring_sync;
engine->semaphore.signal = gen6_signal;
engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VR;
@@ -2948,7 +2940,7 @@
engine->add_request = i9xx_add_request;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (IS_GEN5(dev)) {
+ if (IS_GEN5(dev_priv)) {
engine->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
engine->irq_get = gen5_ring_get_irq;
engine->irq_put = gen5_ring_put_irq;
@@ -2990,7 +2982,7 @@
engine->irq_put = gen8_ring_put_irq;
engine->dispatch_execbuffer =
gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen8_ring_sync;
engine->semaphore.signal = gen8_xcs_signal;
GEN8_RING_SEMAPHORE_INIT(engine);
@@ -3017,13 +3009,13 @@
engine->irq_seqno_barrier = gen6_seqno_barrier;
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT;
engine->irq_get = gen8_ring_get_irq;
engine->irq_put = gen8_ring_put_irq;
engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen8_ring_sync;
engine->semaphore.signal = gen8_xcs_signal;
GEN8_RING_SEMAPHORE_INIT(engine);
@@ -3033,7 +3025,7 @@
engine->irq_get = gen6_ring_get_irq;
engine->irq_put = gen6_ring_put_irq;
engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.signal = gen6_signal;
engine->semaphore.sync_to = gen6_ring_sync;
/*
@@ -3078,13 +3070,13 @@
engine->get_seqno = ring_get_seqno;
engine->set_seqno = ring_set_seqno;
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
engine->irq_enable_mask =
GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT;
engine->irq_get = gen8_ring_get_irq;
engine->irq_put = gen8_ring_put_irq;
engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen8_ring_sync;
engine->semaphore.signal = gen8_xcs_signal;
GEN8_RING_SEMAPHORE_INIT(engine);
@@ -3094,7 +3086,7 @@
engine->irq_get = hsw_vebox_get_irq;
engine->irq_put = hsw_vebox_put_irq;
engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
- if (i915_semaphore_is_enabled(dev)) {
+ if (i915_semaphore_is_enabled(dev_priv)) {
engine->semaphore.sync_to = gen6_ring_sync;
engine->semaphore.signal = gen6_signal;
engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VER;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index ff12648..929e7b4 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -107,7 +107,6 @@
int space;
int size;
int effective_size;
- int reserved_size;
/** We track the position of the requests in the ring buffer, and
* when each is retired we increment last_retired_head as the GPU
@@ -142,7 +141,8 @@
struct drm_i915_gem_object *obj;
};
-struct intel_engine_cs {
+struct intel_engine_cs {
+ struct drm_i915_private *i915;
const char *name;
enum intel_engine_id {
RCS = 0,
@@ -157,7 +157,6 @@
unsigned int hw_id;
unsigned int guc_id; /* XXX same as hw_id? */
u32 mmio_base;
- struct drm_device *dev;
struct intel_ringbuffer *buffer;
struct list_head buffers;
@@ -268,7 +267,6 @@
struct tasklet_struct irq_tasklet;
spinlock_t execlist_lock; /* used inside tasklet, use spin_lock_bh */
struct list_head execlist_queue;
- struct list_head execlist_retired_req_list;
unsigned int fw_domains;
unsigned int next_context_status_buffer;
unsigned int idle_lite_restore_wa;
@@ -352,7 +350,7 @@
static inline bool
intel_engine_initialized(struct intel_engine_cs *engine)
{
- return engine->dev != NULL;
+ return engine->i915 != NULL;
}
static inline unsigned
@@ -427,7 +425,7 @@
struct intel_ringbuffer *
intel_engine_create_ringbuffer(struct intel_engine_cs *engine, int size);
-int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev,
+int intel_pin_and_map_ringbuffer_obj(struct drm_i915_private *dev_priv,
struct intel_ringbuffer *ringbuf);
void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf);
void intel_ringbuffer_free(struct intel_ringbuffer *ring);
@@ -486,26 +484,15 @@
/*
* Arbitrary size for largest possible 'add request' sequence. The code paths
* are complex and variable. Empirical measurement shows that the worst case
- * is ILK at 136 words. Reserving too much is better than reserving too little
- * as that allows for corner cases that might have been missed. So the figure
- * has been rounded up to 160 words.
+ * is BDW at 192 bytes (6 + 6 + 36 dwords), then ILK at 136 bytes. However,
+ * we need to allocate double the largest single packet within that emission
+ * to account for tail wraparound (so 6 + 6 + 72 dwords for BDW).
*/
-#define MIN_SPACE_FOR_ADD_REQUEST 160
+#define MIN_SPACE_FOR_ADD_REQUEST 336
-/*
- * Reserve space in the ring to guarantee that the i915_add_request() call
- * will always have sufficient room to do its stuff. The request creation
- * code calls this automatically.
- */
-void intel_ring_reserved_space_reserve(struct intel_ringbuffer *ringbuf, int size);
-/* Cancel the reservation, e.g. because the request is being discarded. */
-void intel_ring_reserved_space_cancel(struct intel_ringbuffer *ringbuf);
-/* Use the reserved space - for use by i915_add_request() only. */
-void intel_ring_reserved_space_use(struct intel_ringbuffer *ringbuf);
-/* Finish with the reserved space - for use by i915_add_request() only. */
-void intel_ring_reserved_space_end(struct intel_ringbuffer *ringbuf);
-
-/* Legacy ringbuffer specific portion of reservation code: */
-int intel_ring_reserve_space(struct drm_i915_gem_request *request);
+static inline u32 intel_hws_seqno_address(struct intel_engine_cs *engine)
+{
+ return engine->status_page.gfx_addr + I915_GEM_HWS_INDEX_ADDR;
+}
#endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index 7fb1da4..b69b935 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -948,6 +948,11 @@
*/
I915_WRITE(MI_ARB_VLV, MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE);
I915_WRITE(CBR1_VLV, 0);
+
+ WARN_ON(dev_priv->rawclk_freq == 0);
+
+ I915_WRITE(RAWCLK_FREQ_VLV,
+ DIV_ROUND_CLOSEST(dev_priv->rawclk_freq, 1000));
}
static void vlv_display_power_well_init(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 0f3e230..97b1a54 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -80,9 +80,7 @@
*/
void intel_pipe_update_start(struct intel_crtc *crtc)
{
- struct drm_device *dev = crtc->base.dev;
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
- enum pipe pipe = crtc->pipe;
long timeout = msecs_to_jiffies_timeout(1);
int scanline, min, max, vblank_start;
wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
@@ -139,8 +137,7 @@
crtc->debug.scanline_start = scanline;
crtc->debug.start_vbl_time = ktime_get();
- crtc->debug.start_vbl_count =
- dev->driver->get_vblank_counter(dev, pipe);
+ crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc);
trace_i915_pipe_update_vblank_evaded(crtc);
}
@@ -154,14 +151,19 @@
* re-enables interrupts and verifies the update was actually completed
* before a vblank using the value of @start_vbl_count.
*/
-void intel_pipe_update_end(struct intel_crtc *crtc)
+void intel_pipe_update_end(struct intel_crtc *crtc, struct intel_flip_work *work)
{
- struct drm_device *dev = crtc->base.dev;
enum pipe pipe = crtc->pipe;
int scanline_end = intel_get_crtc_scanline(crtc);
- u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
+ u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
ktime_t end_vbl_time = ktime_get();
+ if (work) {
+ work->flip_queued_vblank = end_vbl_count;
+ smp_mb__before_atomic();
+ atomic_set(&work->pending, 1);
+ }
+
trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
local_irq_enable();
@@ -203,8 +205,6 @@
uint32_t y = plane_state->src.y1 >> 16;
uint32_t src_w = drm_rect_width(&plane_state->src) >> 16;
uint32_t src_h = drm_rect_height(&plane_state->src) >> 16;
- const struct intel_scaler *scaler =
- &crtc_state->scaler_state.scalers[plane_state->scaler_id];
plane_ctl = PLANE_CTL_ENABLE |
PLANE_CTL_PIPE_GAMMA_ENABLE |
@@ -260,13 +260,16 @@
/* program plane scaler */
if (plane_state->scaler_id >= 0) {
- uint32_t ps_ctrl = 0;
int scaler_id = plane_state->scaler_id;
+ const struct intel_scaler *scaler;
DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", plane,
PS_PLANE_SEL(plane));
- ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(plane) | scaler->mode;
- I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl);
+
+ scaler = &crtc_state->scaler_state.scalers[scaler_id];
+
+ I915_WRITE(SKL_PS_CTRL(pipe, scaler_id),
+ PS_SCALER_EN | PS_PLANE_SEL(plane) | scaler->mode);
I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id),
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 4f1dfe6..385114b 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -248,9 +248,9 @@
return HRTIMER_NORESTART;
}
-void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore)
+void intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv,
+ bool restore)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
struct intel_uncore_forcewake_domain *domain;
int retry_count = 100;
@@ -304,7 +304,7 @@
if (fw)
dev_priv->uncore.funcs.force_wake_get(dev_priv, fw);
- if (IS_GEN6(dev) || IS_GEN7(dev))
+ if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv))
dev_priv->uncore.fifo_count =
fifo_free_entries(dev_priv);
}
@@ -400,43 +400,42 @@
return false;
}
-static void __intel_uncore_early_sanitize(struct drm_device *dev,
+static void __intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
bool restore_forcewake)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
/* clear out unclaimed reg detection bit */
if (check_for_unclaimed_mmio(dev_priv))
DRM_DEBUG("unclaimed mmio detected on uncore init, clearing\n");
/* clear out old GT FIFO errors */
- if (IS_GEN6(dev) || IS_GEN7(dev))
+ if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv))
__raw_i915_write32(dev_priv, GTFIFODBG,
__raw_i915_read32(dev_priv, GTFIFODBG));
/* WaDisableShadowRegForCpd:chv */
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev_priv)) {
__raw_i915_write32(dev_priv, GTFIFOCTL,
__raw_i915_read32(dev_priv, GTFIFOCTL) |
GT_FIFO_CTL_BLOCK_ALL_POLICY_STALL |
GT_FIFO_CTL_RC6_POLICY_STALL);
}
- intel_uncore_forcewake_reset(dev, restore_forcewake);
+ intel_uncore_forcewake_reset(dev_priv, restore_forcewake);
}
-void intel_uncore_early_sanitize(struct drm_device *dev, bool restore_forcewake)
+void intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
+ bool restore_forcewake)
{
- __intel_uncore_early_sanitize(dev, restore_forcewake);
- i915_check_and_clear_faults(dev);
+ __intel_uncore_early_sanitize(dev_priv, restore_forcewake);
+ i915_check_and_clear_faults(dev_priv);
}
-void intel_uncore_sanitize(struct drm_device *dev)
+void intel_uncore_sanitize(struct drm_i915_private *dev_priv)
{
- i915.enable_rc6 = sanitize_rc6_option(dev, i915.enable_rc6);
+ i915.enable_rc6 = sanitize_rc6_option(dev_priv, i915.enable_rc6);
/* BIOS often leaves RC6 enabled, but disable it for hw init */
- intel_disable_gt_powersave(dev);
+ intel_disable_gt_powersave(dev_priv);
}
static void __intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
@@ -1233,14 +1232,12 @@
fw_domain_reset(d);
}
-static void intel_uncore_fw_domains_init(struct drm_device *dev)
+static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
if (INTEL_INFO(dev_priv)->gen <= 5)
return;
- if (IS_GEN9(dev)) {
+ if (IS_GEN9(dev_priv)) {
dev_priv->uncore.funcs.force_wake_get = fw_domains_get;
dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
@@ -1251,9 +1248,9 @@
FORCEWAKE_ACK_BLITTER_GEN9);
fw_domain_init(dev_priv, FW_DOMAIN_ID_MEDIA,
FORCEWAKE_MEDIA_GEN9, FORCEWAKE_ACK_MEDIA_GEN9);
- } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+ } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
dev_priv->uncore.funcs.force_wake_get = fw_domains_get;
- if (!IS_CHERRYVIEW(dev))
+ if (!IS_CHERRYVIEW(dev_priv))
dev_priv->uncore.funcs.force_wake_put =
fw_domains_put_with_fifo;
else
@@ -1262,17 +1259,17 @@
FORCEWAKE_VLV, FORCEWAKE_ACK_VLV);
fw_domain_init(dev_priv, FW_DOMAIN_ID_MEDIA,
FORCEWAKE_MEDIA_VLV, FORCEWAKE_ACK_MEDIA_VLV);
- } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
+ } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
dev_priv->uncore.funcs.force_wake_get =
fw_domains_get_with_thread_status;
- if (IS_HASWELL(dev))
+ if (IS_HASWELL(dev_priv))
dev_priv->uncore.funcs.force_wake_put =
fw_domains_put_with_fifo;
else
dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
FORCEWAKE_MT, FORCEWAKE_ACK_HSW);
- } else if (IS_IVYBRIDGE(dev)) {
+ } else if (IS_IVYBRIDGE(dev_priv)) {
u32 ecobus;
/* IVB configs may use multi-threaded forcewake */
@@ -1302,11 +1299,9 @@
fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
FORCEWAKE_MT, FORCEWAKE_MT_ACK);
- mutex_lock(&dev->struct_mutex);
fw_domains_get_with_thread_status(dev_priv, FORCEWAKE_ALL);
ecobus = __raw_i915_read32(dev_priv, ECOBUS);
fw_domains_put_with_fifo(dev_priv, FORCEWAKE_ALL);
- mutex_unlock(&dev->struct_mutex);
if (!(ecobus & FORCEWAKE_MT_ENABLE)) {
DRM_INFO("No MT forcewake available on Ivybridge, this can result in issues\n");
@@ -1314,7 +1309,7 @@
fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
FORCEWAKE, FORCEWAKE_ACK);
}
- } else if (IS_GEN6(dev)) {
+ } else if (IS_GEN6(dev_priv)) {
dev_priv->uncore.funcs.force_wake_get =
fw_domains_get_with_thread_status;
dev_priv->uncore.funcs.force_wake_put =
@@ -1327,26 +1322,24 @@
WARN_ON(dev_priv->uncore.fw_domains == 0);
}
-void intel_uncore_init(struct drm_device *dev)
+void intel_uncore_init(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- i915_check_vgpu(dev);
+ i915_check_vgpu(dev_priv);
intel_uncore_edram_detect(dev_priv);
- intel_uncore_fw_domains_init(dev);
- __intel_uncore_early_sanitize(dev, false);
+ intel_uncore_fw_domains_init(dev_priv);
+ __intel_uncore_early_sanitize(dev_priv, false);
dev_priv->uncore.unclaimed_mmio_check = 1;
- switch (INTEL_INFO(dev)->gen) {
+ switch (INTEL_INFO(dev_priv)->gen) {
default:
case 9:
ASSIGN_WRITE_MMIO_VFUNCS(gen9);
ASSIGN_READ_MMIO_VFUNCS(gen9);
break;
case 8:
- if (IS_CHERRYVIEW(dev)) {
+ if (IS_CHERRYVIEW(dev_priv)) {
ASSIGN_WRITE_MMIO_VFUNCS(chv);
ASSIGN_READ_MMIO_VFUNCS(chv);
@@ -1357,13 +1350,13 @@
break;
case 7:
case 6:
- if (IS_HASWELL(dev)) {
+ if (IS_HASWELL(dev_priv)) {
ASSIGN_WRITE_MMIO_VFUNCS(hsw);
} else {
ASSIGN_WRITE_MMIO_VFUNCS(gen6);
}
- if (IS_VALLEYVIEW(dev)) {
+ if (IS_VALLEYVIEW(dev_priv)) {
ASSIGN_READ_MMIO_VFUNCS(vlv);
} else {
ASSIGN_READ_MMIO_VFUNCS(gen6);
@@ -1381,24 +1374,24 @@
break;
}
- if (intel_vgpu_active(dev)) {
+ if (intel_vgpu_active(dev_priv)) {
ASSIGN_WRITE_MMIO_VFUNCS(vgpu);
ASSIGN_READ_MMIO_VFUNCS(vgpu);
}
- i915_check_and_clear_faults(dev);
+ i915_check_and_clear_faults(dev_priv);
}
#undef ASSIGN_WRITE_MMIO_VFUNCS
#undef ASSIGN_READ_MMIO_VFUNCS
-void intel_uncore_fini(struct drm_device *dev)
+void intel_uncore_fini(struct drm_i915_private *dev_priv)
{
/* Paranoia: make sure we have disabled everything before we exit. */
- intel_uncore_sanitize(dev);
- intel_uncore_forcewake_reset(dev, false);
+ intel_uncore_sanitize(dev_priv);
+ intel_uncore_forcewake_reset(dev_priv, false);
}
-#define GEN_RANGE(l, h) GENMASK(h, l)
+#define GEN_RANGE(l, h) GENMASK((h) - 1, (l) - 1)
static const struct register_whitelist {
i915_reg_t offset_ldw, offset_udw;
@@ -1423,7 +1416,7 @@
for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) {
if (i915_mmio_reg_offset(entry->offset_ldw) == (reg->offset & -entry->size) &&
- (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask))
+ (INTEL_INFO(dev)->gen_mask & entry->gen_bitmask))
break;
}
@@ -1467,83 +1460,47 @@
return ret;
}
-int i915_get_reset_stats_ioctl(struct drm_device *dev,
- void *data, struct drm_file *file)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_i915_reset_stats *args = data;
- struct i915_ctx_hang_stats *hs;
- struct intel_context *ctx;
- int ret;
-
- if (args->flags || args->pad)
- return -EINVAL;
-
- if (args->ctx_id == DEFAULT_CONTEXT_HANDLE && !capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- return ret;
-
- ctx = i915_gem_context_get(file->driver_priv, args->ctx_id);
- if (IS_ERR(ctx)) {
- mutex_unlock(&dev->struct_mutex);
- return PTR_ERR(ctx);
- }
- hs = &ctx->hang_stats;
-
- if (capable(CAP_SYS_ADMIN))
- args->reset_count = i915_reset_count(&dev_priv->gpu_error);
- else
- args->reset_count = 0;
-
- args->batch_active = hs->batch_active;
- args->batch_pending = hs->batch_pending;
-
- mutex_unlock(&dev->struct_mutex);
-
- return 0;
-}
-
-static int i915_reset_complete(struct drm_device *dev)
+static int i915_reset_complete(struct pci_dev *pdev)
{
u8 gdrst;
- pci_read_config_byte(dev->pdev, I915_GDRST, &gdrst);
+ pci_read_config_byte(pdev, I915_GDRST, &gdrst);
return (gdrst & GRDOM_RESET_STATUS) == 0;
}
-static int i915_do_reset(struct drm_device *dev, unsigned engine_mask)
+static int i915_do_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
{
- /* assert reset for at least 20 usec */
- pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE);
- udelay(20);
- pci_write_config_byte(dev->pdev, I915_GDRST, 0);
+ struct pci_dev *pdev = dev_priv->dev->pdev;
- return wait_for(i915_reset_complete(dev), 500);
+ /* assert reset for at least 20 usec */
+ pci_write_config_byte(pdev, I915_GDRST, GRDOM_RESET_ENABLE);
+ udelay(20);
+ pci_write_config_byte(pdev, I915_GDRST, 0);
+
+ return wait_for(i915_reset_complete(pdev), 500);
}
-static int g4x_reset_complete(struct drm_device *dev)
+static int g4x_reset_complete(struct pci_dev *pdev)
{
u8 gdrst;
- pci_read_config_byte(dev->pdev, I915_GDRST, &gdrst);
+ pci_read_config_byte(pdev, I915_GDRST, &gdrst);
return (gdrst & GRDOM_RESET_ENABLE) == 0;
}
-static int g33_do_reset(struct drm_device *dev, unsigned engine_mask)
+static int g33_do_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
{
- pci_write_config_byte(dev->pdev, I915_GDRST, GRDOM_RESET_ENABLE);
- return wait_for(g4x_reset_complete(dev), 500);
+ struct pci_dev *pdev = dev_priv->dev->pdev;
+ pci_write_config_byte(pdev, I915_GDRST, GRDOM_RESET_ENABLE);
+ return wait_for(g4x_reset_complete(pdev), 500);
}
-static int g4x_do_reset(struct drm_device *dev, unsigned engine_mask)
+static int g4x_do_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct pci_dev *pdev = dev_priv->dev->pdev;
int ret;
- pci_write_config_byte(dev->pdev, I915_GDRST,
+ pci_write_config_byte(pdev, I915_GDRST,
GRDOM_RENDER | GRDOM_RESET_ENABLE);
- ret = wait_for(g4x_reset_complete(dev), 500);
+ ret = wait_for(g4x_reset_complete(pdev), 500);
if (ret)
return ret;
@@ -1551,9 +1508,9 @@
I915_WRITE(VDECCLK_GATE_D, I915_READ(VDECCLK_GATE_D) | VCP_UNIT_CLOCK_GATE_DISABLE);
POSTING_READ(VDECCLK_GATE_D);
- pci_write_config_byte(dev->pdev, I915_GDRST,
+ pci_write_config_byte(pdev, I915_GDRST,
GRDOM_MEDIA | GRDOM_RESET_ENABLE);
- ret = wait_for(g4x_reset_complete(dev), 500);
+ ret = wait_for(g4x_reset_complete(pdev), 500);
if (ret)
return ret;
@@ -1561,14 +1518,14 @@
I915_WRITE(VDECCLK_GATE_D, I915_READ(VDECCLK_GATE_D) & ~VCP_UNIT_CLOCK_GATE_DISABLE);
POSTING_READ(VDECCLK_GATE_D);
- pci_write_config_byte(dev->pdev, I915_GDRST, 0);
+ pci_write_config_byte(pdev, I915_GDRST, 0);
return 0;
}
-static int ironlake_do_reset(struct drm_device *dev, unsigned engine_mask)
+static int ironlake_do_reset(struct drm_i915_private *dev_priv,
+ unsigned engine_mask)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
I915_WRITE(ILK_GDSR,
@@ -1612,7 +1569,7 @@
/**
* gen6_reset_engines - reset individual engines
- * @dev: DRM device
+ * @dev_priv: i915 device
* @engine_mask: mask of intel_ring_flag() engines or ALL_ENGINES for full reset
*
* This function will reset the individual engines that are set in engine_mask.
@@ -1623,9 +1580,9 @@
*
* Returns 0 on success, nonzero on error.
*/
-static int gen6_reset_engines(struct drm_device *dev, unsigned engine_mask)
+static int gen6_reset_engines(struct drm_i915_private *dev_priv,
+ unsigned engine_mask)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
const u32 hw_engine_mask[I915_NUM_ENGINES] = {
[RCS] = GEN6_GRDOM_RENDER,
@@ -1647,7 +1604,7 @@
ret = gen6_hw_domain_reset(dev_priv, hw_mask);
- intel_uncore_forcewake_reset(dev, true);
+ intel_uncore_forcewake_reset(dev_priv, true);
return ret;
}
@@ -1663,8 +1620,8 @@
static int gen8_request_engine_reset(struct intel_engine_cs *engine)
{
+ struct drm_i915_private *dev_priv = engine->i915;
int ret;
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
I915_WRITE_FW(RING_RESET_CTL(engine->mmio_base),
_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET));
@@ -1682,22 +1639,22 @@
static void gen8_unrequest_engine_reset(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
I915_WRITE_FW(RING_RESET_CTL(engine->mmio_base),
_MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET));
}
-static int gen8_reset_engines(struct drm_device *dev, unsigned engine_mask)
+static int gen8_reset_engines(struct drm_i915_private *dev_priv,
+ unsigned engine_mask)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_engine_cs *engine;
for_each_engine_masked(engine, dev_priv, engine_mask)
if (gen8_request_engine_reset(engine))
goto not_ready;
- return gen6_reset_engines(dev, engine_mask);
+ return gen6_reset_engines(dev_priv, engine_mask);
not_ready:
for_each_engine_masked(engine, dev_priv, engine_mask)
@@ -1706,35 +1663,35 @@
return -EIO;
}
-static int (*intel_get_gpu_reset(struct drm_device *dev))(struct drm_device *,
- unsigned engine_mask)
+typedef int (*reset_func)(struct drm_i915_private *, unsigned engine_mask);
+
+static reset_func intel_get_gpu_reset(struct drm_i915_private *dev_priv)
{
if (!i915.reset)
return NULL;
- if (INTEL_INFO(dev)->gen >= 8)
+ if (INTEL_INFO(dev_priv)->gen >= 8)
return gen8_reset_engines;
- else if (INTEL_INFO(dev)->gen >= 6)
+ else if (INTEL_INFO(dev_priv)->gen >= 6)
return gen6_reset_engines;
- else if (IS_GEN5(dev))
+ else if (IS_GEN5(dev_priv))
return ironlake_do_reset;
- else if (IS_G4X(dev))
+ else if (IS_G4X(dev_priv))
return g4x_do_reset;
- else if (IS_G33(dev))
+ else if (IS_G33(dev_priv))
return g33_do_reset;
- else if (INTEL_INFO(dev)->gen >= 3)
+ else if (INTEL_INFO(dev_priv)->gen >= 3)
return i915_do_reset;
else
return NULL;
}
-int intel_gpu_reset(struct drm_device *dev, unsigned engine_mask)
+int intel_gpu_reset(struct drm_i915_private *dev_priv, unsigned engine_mask)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
- int (*reset)(struct drm_device *, unsigned);
+ reset_func reset;
int ret;
- reset = intel_get_gpu_reset(dev);
+ reset = intel_get_gpu_reset(dev_priv);
if (reset == NULL)
return -ENODEV;
@@ -1742,15 +1699,15 @@
* request may be dropped and never completes (causing -EIO).
*/
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
- ret = reset(dev, engine_mask);
+ ret = reset(dev_priv, engine_mask);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
return ret;
}
-bool intel_has_gpu_reset(struct drm_device *dev)
+bool intel_has_gpu_reset(struct drm_i915_private *dev_priv)
{
- return intel_get_gpu_reset(dev) != NULL;
+ return intel_get_gpu_reset(dev_priv) != NULL;
}
int intel_guc_reset(struct drm_i915_private *dev_priv)
@@ -1802,10 +1759,10 @@
{
enum forcewake_domains fw_domains;
- if (intel_vgpu_active(dev_priv->dev))
+ if (intel_vgpu_active(dev_priv))
return 0;
- switch (INTEL_INFO(dev_priv)->gen) {
+ switch (INTEL_GEN(dev_priv)) {
case 9:
fw_domains = __gen9_reg_read_fw_domains(i915_mmio_reg_offset(reg));
break;
@@ -1842,10 +1799,10 @@
{
enum forcewake_domains fw_domains;
- if (intel_vgpu_active(dev_priv->dev))
+ if (intel_vgpu_active(dev_priv))
return 0;
- switch (INTEL_INFO(dev_priv)->gen) {
+ switch (INTEL_GEN(dev_priv)) {
case 9:
fw_domains = __gen9_reg_write_fw_domains(i915_mmio_reg_offset(reg));
break;
diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
index c15051d..4f9799f 100644
--- a/drivers/gpu/drm/i915/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
@@ -446,10 +446,16 @@
u8 obsolete3;
} __packed;
+struct bdb_lfp_backlight_control_method {
+ u8 type:4;
+ u8 controller:4;
+} __packed;
+
struct bdb_lfp_backlight_data {
u8 entry_size;
struct bdb_lfp_backlight_data_entry data[16];
u8 level[16];
+ struct bdb_lfp_backlight_control_method backlight_control[16];
} __packed;
struct aimdb_header {
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index 1f14b60..8265665 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -97,8 +97,8 @@
return NULL;
}
-int imx_drm_set_bus_format_pins(struct drm_encoder *encoder, u32 bus_format,
- int hsync_pin, int vsync_pin)
+int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
+ int hsync_pin, int vsync_pin, u32 bus_flags)
{
struct imx_drm_crtc_helper_funcs *helper;
struct imx_drm_crtc *imx_crtc;
@@ -110,14 +110,17 @@
helper = &imx_crtc->imx_drm_helper_funcs;
if (helper->set_interface_pix_fmt)
return helper->set_interface_pix_fmt(encoder->crtc,
- bus_format, hsync_pin, vsync_pin);
+ bus_format, hsync_pin, vsync_pin,
+ bus_flags);
return 0;
}
-EXPORT_SYMBOL_GPL(imx_drm_set_bus_format_pins);
+EXPORT_SYMBOL_GPL(imx_drm_set_bus_config);
int imx_drm_set_bus_format(struct drm_encoder *encoder, u32 bus_format)
{
- return imx_drm_set_bus_format_pins(encoder, bus_format, 2, 3);
+ return imx_drm_set_bus_config(encoder, bus_format, 2, 3,
+ DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_NEGEDGE);
}
EXPORT_SYMBOL_GPL(imx_drm_set_bus_format);
diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
index b0241b9..74320a1 100644
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -19,7 +19,8 @@
int (*enable_vblank)(struct drm_crtc *crtc);
void (*disable_vblank)(struct drm_crtc *crtc);
int (*set_interface_pix_fmt)(struct drm_crtc *crtc,
- u32 bus_format, int hsync_pin, int vsync_pin);
+ u32 bus_format, int hsync_pin, int vsync_pin,
+ u32 bus_flags);
const struct drm_crtc_helper_funcs *crtc_helper_funcs;
const struct drm_crtc_funcs *crtc_funcs;
};
@@ -41,8 +42,8 @@
struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
-int imx_drm_set_bus_format_pins(struct drm_encoder *encoder,
- u32 bus_format, int hsync_pin, int vsync_pin);
+int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
+ int hsync_pin, int vsync_pin, u32 bus_flags);
int imx_drm_set_bus_format(struct drm_encoder *encoder,
u32 bus_format);
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index a58eee5..beff793 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -25,6 +25,7 @@
#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
+#include <video/of_display_timing.h>
#include <video/of_videomode.h>
#include <linux/regmap.h>
#include <linux/videodev2.h>
@@ -59,6 +60,7 @@
struct drm_encoder encoder;
struct drm_panel *panel;
struct device_node *child;
+ struct i2c_adapter *ddc;
int chno;
void *edid;
int edid_len;
@@ -107,6 +109,9 @@
return num_modes;
}
+ if (!imx_ldb_ch->edid && imx_ldb_ch->ddc)
+ imx_ldb_ch->edid = drm_get_edid(connector, imx_ldb_ch->ddc);
+
if (imx_ldb_ch->edid) {
drm_mode_connector_update_edid_property(connector,
imx_ldb_ch->edid);
@@ -553,7 +558,8 @@
for_each_child_of_node(np, child) {
struct imx_ldb_channel *channel;
- struct device_node *port;
+ struct device_node *ddc_node;
+ struct device_node *ep;
ret = of_property_read_u32(child, "reg", &i);
if (ret || i < 0 || i > 1)
@@ -576,33 +582,54 @@
* The output port is port@4 with an external 4-port mux or
* port@2 with the internal 2-port mux.
*/
- port = of_graph_get_port_by_id(child, imx_ldb->lvds_mux ? 4 : 2);
- if (port) {
- struct device_node *endpoint, *remote;
+ ep = of_graph_get_endpoint_by_regs(child,
+ imx_ldb->lvds_mux ? 4 : 2,
+ -1);
+ if (ep) {
+ struct device_node *remote;
- endpoint = of_get_child_by_name(port, "endpoint");
- if (endpoint) {
- remote = of_graph_get_remote_port_parent(endpoint);
- if (remote)
- channel->panel = of_drm_find_panel(remote);
- else
- return -EPROBE_DEFER;
- if (!channel->panel) {
- dev_err(dev, "panel not found: %s\n",
- remote->full_name);
- return -EPROBE_DEFER;
- }
+ remote = of_graph_get_remote_port_parent(ep);
+ of_node_put(ep);
+ if (remote)
+ channel->panel = of_drm_find_panel(remote);
+ else
+ return -EPROBE_DEFER;
+ of_node_put(remote);
+ if (!channel->panel) {
+ dev_err(dev, "panel not found: %s\n",
+ remote->full_name);
+ return -EPROBE_DEFER;
}
}
- edidp = of_get_property(child, "edid", &channel->edid_len);
- if (edidp) {
- channel->edid = kmemdup(edidp, channel->edid_len,
- GFP_KERNEL);
- } else if (!channel->panel) {
- ret = of_get_drm_display_mode(child, &channel->mode, 0);
- if (!ret)
- channel->mode_valid = 1;
+ ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0);
+ if (ddc_node) {
+ channel->ddc = of_find_i2c_adapter_by_node(ddc_node);
+ of_node_put(ddc_node);
+ if (!channel->ddc) {
+ dev_warn(dev, "failed to get ddc i2c adapter\n");
+ return -EPROBE_DEFER;
+ }
+ }
+
+ if (!channel->ddc) {
+ /* if no DDC available, fallback to hardcoded EDID */
+ dev_dbg(dev, "no ddc available\n");
+
+ edidp = of_get_property(child, "edid",
+ &channel->edid_len);
+ if (edidp) {
+ channel->edid = kmemdup(edidp,
+ channel->edid_len,
+ GFP_KERNEL);
+ } else if (!channel->panel) {
+ /* fallback to display-timings node */
+ ret = of_get_drm_display_mode(child,
+ &channel->mode,
+ OF_USE_NATIVE_MODE);
+ if (!ret)
+ channel->mode_valid = 1;
+ }
}
channel->bus_format = of_get_bus_format(dev, child);
@@ -647,6 +674,7 @@
channel->encoder.funcs->destroy(&channel->encoder);
kfree(channel->edid);
+ i2c_put_adapter(channel->ddc);
}
}
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index ae7a9fb..baf7881 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -294,8 +294,10 @@
switch (tve->mode) {
case TVE_MODE_VGA:
- imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_GBR888_1X24,
- tve->hsync_pin, tve->vsync_pin);
+ imx_drm_set_bus_config(encoder, MEDIA_BUS_FMT_GBR888_1X24,
+ tve->hsync_pin, tve->vsync_pin,
+ DRM_BUS_FLAG_DE_HIGH |
+ DRM_BUS_FLAG_PIXDATA_NEGEDGE);
break;
case TVE_MODE_TVOUT:
imx_drm_set_bus_format(encoder, MEDIA_BUS_FMT_YUV8_1X24);
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index b2c30b8..fc04041 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -66,6 +66,7 @@
struct ipu_flip_work *flip_work;
int irq;
u32 bus_format;
+ u32 bus_flags;
int di_hsync_pin;
int di_vsync_pin;
};
@@ -271,8 +272,10 @@
else
sig_cfg.clkflags = 0;
- sig_cfg.enable_pol = 1;
- sig_cfg.clk_pol = 0;
+ sig_cfg.enable_pol = !(ipu_crtc->bus_flags & DRM_BUS_FLAG_DE_LOW);
+ /* Default to driving pixel data on negative clock edges */
+ sig_cfg.clk_pol = !!(ipu_crtc->bus_flags &
+ DRM_BUS_FLAG_PIXDATA_POSEDGE);
sig_cfg.bus_format = ipu_crtc->bus_format;
sig_cfg.v_to_h_sync = 0;
sig_cfg.hsync_pin = ipu_crtc->di_hsync_pin;
@@ -396,11 +399,12 @@
}
static int ipu_set_interface_pix_fmt(struct drm_crtc *crtc,
- u32 bus_format, int hsync_pin, int vsync_pin)
+ u32 bus_format, int hsync_pin, int vsync_pin, u32 bus_flags)
{
struct ipu_crtc *ipu_crtc = to_ipu_crtc(crtc);
ipu_crtc->bus_format = bus_format;
+ ipu_crtc->bus_flags = bus_flags;
ipu_crtc->di_hsync_pin = hsync_pin;
ipu_crtc->di_vsync_pin = vsync_pin;
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 681ec6e..a4bb441 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -38,6 +38,8 @@
DRM_FORMAT_RGBX8888,
DRM_FORMAT_BGRA8888,
DRM_FORMAT_BGRA8888,
+ DRM_FORMAT_UYVY,
+ DRM_FORMAT_VYUY,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_YUV420,
@@ -428,7 +430,6 @@
if (crtc != plane->crtc)
dev_dbg(plane->dev->dev, "crtc change: %p -> %p\n",
plane->crtc, crtc);
- plane->crtc = crtc;
if (!ipu_plane->enabled)
ipu_plane_enable(ipu_plane);
@@ -461,7 +462,7 @@
kfree(ipu_plane);
}
-static struct drm_plane_funcs ipu_plane_funcs = {
+static const struct drm_plane_funcs ipu_plane_funcs = {
.update_plane = ipu_update_plane,
.disable_plane = ipu_disable_plane,
.destroy = ipu_plane_destroy,
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 363e2c7..2d1fd02 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -35,7 +35,6 @@
void *edid;
int edid_len;
u32 bus_format;
- int mode_valid;
struct drm_display_mode mode;
struct drm_panel *panel;
};
@@ -68,17 +67,6 @@
num_modes = drm_add_edid_modes(connector, imxpd->edid);
}
- if (imxpd->mode_valid) {
- struct drm_display_mode *mode = drm_mode_create(connector->dev);
-
- if (!mode)
- return -EINVAL;
- drm_mode_copy(mode, &imxpd->mode);
- mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
- drm_mode_probed_add(connector, mode);
- num_modes++;
- }
-
if (np) {
struct drm_display_mode *mode = drm_mode_create(connector->dev);
@@ -115,8 +103,8 @@
static void imx_pd_encoder_prepare(struct drm_encoder *encoder)
{
struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
-
- imx_drm_set_bus_format(encoder, imxpd->bus_format);
+ imx_drm_set_bus_config(encoder, imxpd->bus_format, 2, 3,
+ imxpd->connector.display_info.bus_flags);
}
static void imx_pd_encoder_commit(struct drm_encoder *encoder)
@@ -203,7 +191,7 @@
{
struct drm_device *drm = data;
struct device_node *np = dev->of_node;
- struct device_node *port;
+ struct device_node *ep;
const u8 *edidp;
struct imx_parallel_display *imxpd;
int ret;
@@ -230,18 +218,18 @@
}
/* port@1 is the output port */
- port = of_graph_get_port_by_id(np, 1);
- if (port) {
- struct device_node *endpoint, *remote;
+ ep = of_graph_get_endpoint_by_regs(np, 1, -1);
+ if (ep) {
+ struct device_node *remote;
- endpoint = of_get_child_by_name(port, "endpoint");
- if (endpoint) {
- remote = of_graph_get_remote_port_parent(endpoint);
- if (remote)
- imxpd->panel = of_drm_find_panel(remote);
- if (!imxpd->panel)
- return -EPROBE_DEFER;
+ remote = of_graph_get_remote_port_parent(ep);
+ of_node_put(ep);
+ if (remote) {
+ imxpd->panel = of_drm_find_panel(remote);
+ of_node_put(remote);
}
+ if (!imxpd->panel)
+ return -EPROBE_DEFER;
}
imxpd->dev = dev;
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index d05ca79..0186e50 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -432,11 +432,6 @@
unsigned long pll_rate;
unsigned int factor;
- if (!dpi) {
- dev_err(dpi->dev, "invalid argument\n");
- return -EINVAL;
- }
-
pix_rate = 1000UL * mode->clock;
if (mode->clock <= 74000)
factor = 8 * 3;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index b1223d5..06a417b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -243,7 +243,7 @@
.enable_vblank = mtk_drm_crtc_enable_vblank,
.disable_vblank = mtk_drm_crtc_disable_vblank,
- .gem_free_object = mtk_drm_gem_free_object,
+ .gem_free_object_unlocked = mtk_drm_gem_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = mtk_drm_gem_dumb_create,
.dumb_map_offset = mtk_drm_gem_dumb_map_offset,
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 2d808e5..7695591 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -695,10 +695,8 @@
{
drm_encoder_cleanup(&dsi->encoder);
/* Skip connector cleanup if creation was delegated to the bridge */
- if (dsi->conn.dev) {
- drm_connector_unregister(&dsi->conn);
+ if (dsi->conn.dev)
drm_connector_cleanup(&dsi->conn);
- }
}
static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp)
diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c
index d9759bf..1a061e3 100644
--- a/drivers/gpu/drm/msm/msm_fbdev.c
+++ b/drivers/gpu/drm/msm/msm_fbdev.c
@@ -184,21 +184,7 @@
return ret;
}
-static void msm_crtc_fb_gamma_set(struct drm_crtc *crtc,
- u16 red, u16 green, u16 blue, int regno)
-{
- DBG("fbdev: set gamma");
-}
-
-static void msm_crtc_fb_gamma_get(struct drm_crtc *crtc,
- u16 *red, u16 *green, u16 *blue, int regno)
-{
- DBG("fbdev: get gamma");
-}
-
static const struct drm_fb_helper_funcs msm_fb_helper_funcs = {
- .gamma_set = msm_crtc_fb_gamma_set,
- .gamma_get = msm_crtc_fb_gamma_get,
.fb_probe = msm_fbdev_create,
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index d17a969..c00ff6e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -22,13 +22,11 @@
* Authors: Ben Skeggs
*/
-#include <linux/apple-gmux.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
-#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include "drmP.h"
@@ -315,13 +313,7 @@
bool boot = false;
int ret;
- /*
- * apple-gmux is needed on dual GPU MacBook Pro
- * to probe the panel if we're the inactive GPU.
- */
- if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
- apple_gmux_present() && pdev != vga_default_device() &&
- !vga_switcheroo_handler_flags())
+ if (vga_switcheroo_client_probe_defer(pdev))
return -EPROBE_DEFER;
/* remove conflicting drivers (vesafb, efifb etc) */
diff --git a/drivers/gpu/drm/omapdrm/Kconfig b/drivers/gpu/drm/omapdrm/Kconfig
index 73241c4..336ad4d 100644
--- a/drivers/gpu/drm/omapdrm/Kconfig
+++ b/drivers/gpu/drm/omapdrm/Kconfig
@@ -2,6 +2,7 @@
tristate "OMAP DRM"
depends on DRM
depends on ARCH_OMAP2PLUS || ARCH_MULTIPLATFORM
+ select OMAP2_DSS
select DRM_KMS_HELPER
select DRM_KMS_FB_HELPER
select FB_SYS_FILLRECT
diff --git a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
index 225fd8d..667ca4a 100644
--- a/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
+++ b/drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
@@ -9,6 +9,7 @@
* the Free Software Foundation.
*/
+#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/platform_device.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
index 8c246c2..9594ff7 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
@@ -14,7 +14,7 @@
* the Free Software Foundation.
*/
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
index 2fd5602..671806c 100644
--- a/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
+++ b/drivers/gpu/drm/omapdrm/displays/encoder-tfp410.c
@@ -9,7 +9,7 @@
* the Free Software Foundation.
*/
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
index e780fd4..7c2331b 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dpi.c
@@ -9,7 +9,7 @@
* the Free Software Foundation.
*/
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 36485c2..2b11807 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -14,7 +14,7 @@
#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/module.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
index 458f77b..ac680e1 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c
@@ -15,6 +15,7 @@
#include <linux/spi/spi.h>
#include <linux/mutex.h>
#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <video/omapdss.h>
#include <video/omap-panel-data.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
index 780cb26..38d2920 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
@@ -15,7 +15,7 @@
#include <linux/delay.h>
#include <linux/spi/spi.h>
#include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/of_gpio.h>
#include <video/omapdss.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
index 529a017..4363fff 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c
@@ -10,7 +10,7 @@
*/
#include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
index 31efcca..deb4167 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c
@@ -29,7 +29,7 @@
#include <linux/sched.h>
#include <linux/backlight.h>
#include <linux/fb.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/of.h>
#include <linux/of_gpio.h>
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
index 03e2beb..d93175b 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c
@@ -14,7 +14,7 @@
#include <linux/delay.h>
#include <linux/spi/spi.h>
#include <linux/regulator/consumer.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/of_gpio.h>
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 8730646..9ed8272 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -1180,15 +1180,6 @@
return PTR_ERR(vdds_dsi);
}
- if (regulator_can_change_voltage(vdds_dsi)) {
- r = regulator_set_voltage(vdds_dsi, 1800000, 1800000);
- if (r) {
- devm_regulator_put(vdds_dsi);
- DSSERR("can't set the DSI regulator voltage\n");
- return r;
- }
- }
-
dsi->vdds_dsi_reg = vdds_dsi;
return 0;
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index f95ff31..3303cfa 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -30,6 +30,7 @@
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/clk.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/gfp.h>
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
index f892ae15..4d46cdf 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c
@@ -33,6 +33,7 @@
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/component.h>
+#include <linux/of.h>
#include <video/omapdss.h>
#include <sound/omap-hdmi-audio.h>
@@ -100,7 +101,6 @@
static int hdmi_init_regulator(void)
{
- int r;
struct regulator *reg;
if (hdmi.vdda_reg != NULL)
@@ -114,15 +114,6 @@
return PTR_ERR(reg);
}
- if (regulator_can_change_voltage(reg)) {
- r = regulator_set_voltage(reg, 1800000, 1800000);
- if (r) {
- devm_regulator_put(reg);
- DSSWARN("can't set the regulator voltage\n");
- return r;
- }
- }
-
hdmi.vdda_reg = reg;
return 0;
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
index fa72e73..ef3afe9 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
@@ -211,7 +211,7 @@
static void hdmi_core_powerdown_disable(struct hdmi_core_data *core)
{
DSSDBG("Enter hdmi_core_powerdown_disable\n");
- REG_FLD_MOD(core->base, HDMI_CORE_SYS_SYS_CTRL1, 0x0, 0, 0);
+ REG_FLD_MOD(core->base, HDMI_CORE_SYS_SYS_CTRL1, 0x1, 0, 0);
}
static void hdmi_core_swreset_release(struct hdmi_core_data *core)
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
index a43f7b1..e129245 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c
@@ -38,6 +38,7 @@
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/component.h>
+#include <linux/of.h>
#include <video/omapdss.h>
#include <sound/omap-hdmi-audio.h>
@@ -131,15 +132,6 @@
return PTR_ERR(reg);
}
- if (regulator_can_change_voltage(reg)) {
- r = regulator_set_voltage(reg, 1800000, 1800000);
- if (r) {
- devm_regulator_put(reg);
- DSSWARN("can't set the regulator voltage\n");
- return r;
- }
- }
-
hdmi.vdda_reg = reg;
return 0;
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
index 6a39752..8ab2093 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi5_core.c
@@ -51,8 +51,8 @@
{
void __iomem *base = core->base;
const unsigned long long iclk = 266000000; /* DSS L3 ICLK */
- const unsigned ss_scl_high = 4000; /* ns */
- const unsigned ss_scl_low = 4700; /* ns */
+ const unsigned ss_scl_high = 4600; /* ns */
+ const unsigned ss_scl_low = 5400; /* ns */
const unsigned fs_scl_high = 600; /* ns */
const unsigned fs_scl_low = 1300; /* ns */
const unsigned sda_hold = 1000; /* ns */
@@ -458,7 +458,7 @@
c = (ptr[1] >> 6) & 0x3;
m = (ptr[1] >> 4) & 0x3;
- r = (ptr[1] >> 0) & 0x3;
+ r = (ptr[1] >> 0) & 0xf;
itc = (ptr[2] >> 7) & 0x1;
ec = (ptr[2] >> 4) & 0x7;
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c b/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c
index 1f5d19c..f98b750 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_phy.c
@@ -13,6 +13,7 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/seq_file.h>
#include <video/omapdss.h>
#include "dss.h"
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
index 06e23a7..f1015e8 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_pll.c
@@ -16,6 +16,7 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/seq_file.h>
#include <video/omapdss.h>
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
index 13442b9..055f62f 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
@@ -14,6 +14,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/seq_file.h>
#include <video/omapdss.h>
#include "dss.h"
diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
index 6f5fc14..479bf24 100644
--- a/drivers/gpu/drm/omapdrm/omap_debugfs.c
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -17,6 +17,8 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/seq_file.h>
+
#include <drm/drm_crtc.h>
#include <drm/drm_fb_helper.h>
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index de275a5..4ceed7a9 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -27,6 +27,7 @@
#include <linux/module.h>
#include <linux/platform_device.h> /* platform_device() */
#include <linux/sched.h>
+#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/vmalloc.h>
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
index d639707..664ccf9 100644
--- a/drivers/gpu/drm/omapdrm/omap_fb.c
+++ b/drivers/gpu/drm/omapdrm/omap_fb.c
@@ -17,6 +17,8 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/seq_file.h>
+
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index b97afc2..03698b6 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -17,6 +17,7 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/seq_file.h>
#include <linux/shmem_fs.h>
#include <linux/spinlock.h>
#include <linux/pfn_t.h>
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 8b5d543..5bc36c4 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -730,7 +730,6 @@
drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
qxl_crtc->index = crtc_id;
- drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index b55aa74..a455dc7d 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -34,11 +34,9 @@
#include "radeon_drv.h"
#include <drm/drm_pciids.h>
-#include <linux/apple-gmux.h>
#include <linux/console.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
-#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include <drm/drm_gem.h>
@@ -340,13 +338,7 @@
if (ret == -EPROBE_DEFER)
return ret;
- /*
- * apple-gmux is needed on dual GPU MacBook Pro
- * to probe the panel if we're the inactive GPU.
- */
- if (IS_ENABLED(CONFIG_VGA_ARB) && IS_ENABLED(CONFIG_VGA_SWITCHEROO) &&
- apple_gmux_present() && pdev != vga_default_device() &&
- !vga_switcheroo_handler_flags())
+ if (vga_switcheroo_client_probe_defer(pdev))
return -EPROBE_DEFER;
/* Get rid of things like offb */
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
index e5a9d3a..59adcf8 100644
--- a/drivers/gpu/drm/vc4/vc4_bo.c
+++ b/drivers/gpu/drm/vc4/vc4_bo.c
@@ -291,8 +291,6 @@
/* Called on the last userspace/kernel unreference of the BO. Returns
* it to the BO cache if possible, otherwise frees it.
- *
- * Note that this is called with the struct_mutex held.
*/
void vc4_free_object(struct drm_gem_object *gem_bo)
{
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index 3446ece..58b8fc0 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -99,7 +99,7 @@
#endif
.gem_create_object = vc4_create_object,
- .gem_free_object = vc4_free_object,
+ .gem_free_object_unlocked = vc4_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 46899d6..6155e8a 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -53,10 +53,8 @@
{
unsigned int i;
- mutex_lock(&dev->struct_mutex);
for (i = 0; i < state->user_state.bo_count; i++)
- drm_gem_object_unreference(state->bo[i]);
- mutex_unlock(&dev->struct_mutex);
+ drm_gem_object_unreference_unlocked(state->bo[i]);
kfree(state);
}
@@ -687,11 +685,9 @@
struct vc4_dev *vc4 = to_vc4_dev(dev);
unsigned i;
- /* Need the struct lock for drm_gem_object_unreference(). */
- mutex_lock(&dev->struct_mutex);
if (exec->bo) {
for (i = 0; i < exec->bo_count; i++)
- drm_gem_object_unreference(&exec->bo[i]->base);
+ drm_gem_object_unreference_unlocked(&exec->bo[i]->base);
kfree(exec->bo);
}
@@ -699,9 +695,8 @@
struct vc4_bo *bo = list_first_entry(&exec->unref_list,
struct vc4_bo, unref_head);
list_del(&bo->unref_head);
- drm_gem_object_unreference(&bo->base.base);
+ drm_gem_object_unreference_unlocked(&bo->base.base);
}
- mutex_unlock(&dev->struct_mutex);
mutex_lock(&vc4->power_lock);
if (--vc4->power_refcount == 0)
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 341f9be..1b4cc8b 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -235,7 +235,7 @@
static struct drm_driver vgem_driver = {
.driver_features = DRIVER_GEM,
- .gem_free_object = vgem_gem_free_object,
+ .gem_free_object_unlocked = vgem_gem_free_object,
.gem_vm_ops = &vgem_gem_vm_ops,
.ioctls = vgem_ioctls,
.fops = &vgem_driver_fops,
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 70b44a2..e50674b 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -63,11 +63,17 @@
{
struct drm_device *dev = plane->dev;
struct virtio_gpu_device *vgdev = dev->dev_private;
- struct virtio_gpu_output *output = drm_crtc_to_virtio_gpu_output(plane->crtc);
+ struct virtio_gpu_output *output = NULL;
struct virtio_gpu_framebuffer *vgfb;
struct virtio_gpu_object *bo;
uint32_t handle;
+ if (plane->state->crtc)
+ output = drm_crtc_to_virtio_gpu_output(plane->state->crtc);
+ if (old_state->crtc)
+ output = drm_crtc_to_virtio_gpu_output(old_state->crtc);
+ WARN_ON(!output);
+
if (plane->state->fb) {
vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
bo = gem_to_virtio_gpu_obj(vgfb->obj);
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index cbd7c98..2df216b3 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -30,6 +30,7 @@
#define pr_fmt(fmt) "vga_switcheroo: " fmt
+#include <linux/apple-gmux.h>
#include <linux/console.h>
#include <linux/debugfs.h>
#include <linux/fb.h>
@@ -308,7 +309,8 @@
*
* Register vga client (GPU). Enable vga_switcheroo if another GPU and a
* handler have already registered. The power state of the client is assumed
- * to be ON.
+ * to be ON. Beforehand, vga_switcheroo_client_probe_defer() shall be called
+ * to ensure that all prerequisites are met.
*
* Return: 0 on success, -ENOMEM on memory allocation error.
*/
@@ -329,7 +331,8 @@
* @id: client identifier
*
* Register audio client (audio device on a GPU). The power state of the
- * client is assumed to be ON.
+ * client is assumed to be ON. Beforehand, vga_switcheroo_client_probe_defer()
+ * shall be called to ensure that all prerequisites are met.
*
* Return: 0 on success, -ENOMEM on memory allocation error.
*/
@@ -376,6 +379,33 @@
}
/**
+ * vga_switcheroo_client_probe_defer() - whether to defer probing a given client
+ * @pdev: client pci device
+ *
+ * Determine whether any prerequisites are not fulfilled to probe a given
+ * client. Drivers shall invoke this early on in their ->probe callback
+ * and return %-EPROBE_DEFER if it evaluates to %true. Thou shalt not
+ * register the client ere thou hast called this.
+ *
+ * Return: %true if probing should be deferred, otherwise %false.
+ */
+bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev)
+{
+ if ((pdev->class >> 16) == PCI_BASE_CLASS_DISPLAY) {
+ /*
+ * apple-gmux is needed on pre-retina MacBook Pro
+ * to probe the panel if pdev is the inactive GPU.
+ */
+ if (apple_gmux_present() && pdev != vga_default_device() &&
+ !vgasr_priv.handler_flags)
+ return true;
+ }
+
+ return false;
+}
+EXPORT_SYMBOL(vga_switcheroo_client_probe_defer);
+
+/**
* vga_switcheroo_get_client_state() - obtain power state of a given client
* @pdev: client pci device
*
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 6bd881b..5eb1f9e 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -41,6 +41,7 @@
#define ITS_FLAGS_CMDQ_NEEDS_FLUSHING (1ULL << 0)
#define ITS_FLAGS_WORKAROUND_CAVIUM_22375 (1ULL << 1)
+#define ITS_FLAGS_WORKAROUND_CAVIUM_23144 (1ULL << 2)
#define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING (1 << 0)
@@ -82,6 +83,7 @@
u64 flags;
u32 ite_size;
u32 device_ids;
+ int numa_node;
};
#define ITS_ITT_ALIGN SZ_256
@@ -613,11 +615,23 @@
static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+ unsigned int cpu;
+ const struct cpumask *cpu_mask = cpu_online_mask;
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
struct its_collection *target_col;
u32 id = its_get_event_id(d);
+ /* lpi cannot be routed to a redistributor that is on a foreign node */
+ if (its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) {
+ if (its_dev->its->numa_node >= 0) {
+ cpu_mask = cpumask_of_node(its_dev->its->numa_node);
+ if (!cpumask_intersects(mask_val, cpu_mask))
+ return -EINVAL;
+ }
+ }
+
+ cpu = cpumask_any_and(mask_val, cpu_mask);
+
if (cpu >= nr_cpu_ids)
return -EINVAL;
@@ -1101,6 +1115,16 @@
list_for_each_entry(its, &its_nodes, entry) {
u64 target;
+ /* avoid cross node collections and its mapping */
+ if (its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) {
+ struct device_node *cpu_node;
+
+ cpu_node = of_get_cpu_node(cpu, NULL);
+ if (its->numa_node != NUMA_NO_NODE &&
+ its->numa_node != of_node_to_nid(cpu_node))
+ continue;
+ }
+
/*
* We now have to bind each collection to its target
* redistributor.
@@ -1351,9 +1375,14 @@
{
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
u32 event = its_get_event_id(d);
+ const struct cpumask *cpu_mask = cpu_online_mask;
+
+ /* get the cpu_mask of local node */
+ if (its_dev->its->numa_node >= 0)
+ cpu_mask = cpumask_of_node(its_dev->its->numa_node);
/* Bind the LPI to the first possible CPU */
- its_dev->event_map.col_map[event] = cpumask_first(cpu_online_mask);
+ its_dev->event_map.col_map[event] = cpumask_first(cpu_mask);
/* Map the GIC IRQ and event to the device */
its_send_mapvi(its_dev, d->hwirq, event);
@@ -1443,6 +1472,13 @@
its->flags |= ITS_FLAGS_WORKAROUND_CAVIUM_22375;
}
+static void __maybe_unused its_enable_quirk_cavium_23144(void *data)
+{
+ struct its_node *its = data;
+
+ its->flags |= ITS_FLAGS_WORKAROUND_CAVIUM_23144;
+}
+
static const struct gic_quirk its_quirks[] = {
#ifdef CONFIG_CAVIUM_ERRATUM_22375
{
@@ -1452,6 +1488,14 @@
.init = its_enable_quirk_cavium_22375,
},
#endif
+#ifdef CONFIG_CAVIUM_ERRATUM_23144
+ {
+ .desc = "ITS: Cavium erratum 23144",
+ .iidr = 0xa100034c, /* ThunderX pass 1.x */
+ .mask = 0xffff0fff,
+ .init = its_enable_quirk_cavium_23144,
+ },
+#endif
{
}
};
@@ -1514,6 +1558,7 @@
its->base = its_base;
its->phys_base = res.start;
its->ite_size = ((readl_relaxed(its_base + GITS_TYPER) >> 4) & 0xf) + 1;
+ its->numa_node = of_node_to_nid(node);
its->cmd_base = kzalloc(ITS_CMD_QUEUE_SZ, GFP_KERNEL);
if (!its->cmd_base) {
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index fb042ba..2c5ba0e 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -155,7 +155,7 @@
while (count--) {
val = readl_relaxed(rbase + GICR_WAKER);
- if (enable ^ (val & GICR_WAKER_ChildrenAsleep))
+ if (enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep))
break;
cpu_relax();
udelay(1);
diff --git a/drivers/irqchip/irq-pic32-evic.c b/drivers/irqchip/irq-pic32-evic.c
index e7155db..73addb4 100644
--- a/drivers/irqchip/irq-pic32-evic.c
+++ b/drivers/irqchip/irq-pic32-evic.c
@@ -91,7 +91,7 @@
/* set polarity for external interrupts only */
for (i = 0; i < ARRAY_SIZE(priv->ext_irqs); i++) {
if (priv->ext_irqs[i] == data->hwirq) {
- ret = pic32_set_ext_polarity(i + 1, flow_type);
+ ret = pic32_set_ext_polarity(i, flow_type);
if (ret)
return ret;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index c984321..5d438ad 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1276,7 +1276,7 @@
* switch to HS200 mode if bus width is set successfully.
*/
err = mmc_select_bus_width(card);
- if (!err) {
+ if (err >= 0) {
val = EXT_CSD_TIMING_HS200 |
card->drive_strength << EXT_CSD_DRV_STR_SHIFT;
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
@@ -1583,7 +1583,7 @@
} else if (mmc_card_hs(card)) {
/* Select the desired bus width optionally */
err = mmc_select_bus_width(card);
- if (!err) {
+ if (err >= 0) {
err = mmc_select_hs_ddr(card);
if (err)
goto free_card;
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 7fc8b7a..2ee4c21 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -970,8 +970,8 @@
[SDXC_CLK_400K] = { .output = 180, .sample = 180 },
[SDXC_CLK_25M] = { .output = 180, .sample = 75 },
[SDXC_CLK_50M] = { .output = 150, .sample = 120 },
- [SDXC_CLK_50M_DDR] = { .output = 90, .sample = 120 },
- [SDXC_CLK_50M_DDR_8BIT] = { .output = 90, .sample = 120 },
+ [SDXC_CLK_50M_DDR] = { .output = 54, .sample = 36 },
+ [SDXC_CLK_50M_DDR_8BIT] = { .output = 72, .sample = 72 },
};
static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
@@ -1129,11 +1129,6 @@
MMC_CAP_1_8V_DDR |
MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
- /* TODO MMC DDR is not working on A80 */
- if (of_device_is_compatible(pdev->dev.of_node,
- "allwinner,sun9i-a80-mmc"))
- mmc->caps &= ~MMC_CAP_1_8V_DDR;
-
ret = mmc_of_parse(mmc);
if (ret)
goto error_free_dma;
diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c
index 16419f5..058460b 100644
--- a/drivers/net/ethernet/arc/emac_mdio.c
+++ b/drivers/net/ethernet/arc/emac_mdio.c
@@ -141,7 +141,7 @@
priv->bus = bus;
bus->priv = priv;
bus->parent = priv->dev;
- bus->name = "Synopsys MII Bus",
+ bus->name = "Synopsys MII Bus";
bus->read = &arc_mdio_read;
bus->write = &arc_mdio_write;
bus->reset = &arc_mdio_reset;
diff --git a/drivers/net/ethernet/atheros/alx/alx.h b/drivers/net/ethernet/atheros/alx/alx.h
index 8fc93c5..d02c424 100644
--- a/drivers/net/ethernet/atheros/alx/alx.h
+++ b/drivers/net/ethernet/atheros/alx/alx.h
@@ -96,6 +96,10 @@
unsigned int rx_ringsz;
unsigned int rxbuf_size;
+ struct page *rx_page;
+ unsigned int rx_page_offset;
+ unsigned int rx_frag_size;
+
struct napi_struct napi;
struct alx_tx_queue txq;
struct alx_rx_queue rxq;
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index 9fe8b5e..c98acdc 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -70,6 +70,35 @@
}
}
+static struct sk_buff *alx_alloc_skb(struct alx_priv *alx, gfp_t gfp)
+{
+ struct sk_buff *skb;
+ struct page *page;
+
+ if (alx->rx_frag_size > PAGE_SIZE)
+ return __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp);
+
+ page = alx->rx_page;
+ if (!page) {
+ alx->rx_page = page = alloc_page(gfp);
+ if (unlikely(!page))
+ return NULL;
+ alx->rx_page_offset = 0;
+ }
+
+ skb = build_skb(page_address(page) + alx->rx_page_offset,
+ alx->rx_frag_size);
+ if (likely(skb)) {
+ alx->rx_page_offset += alx->rx_frag_size;
+ if (alx->rx_page_offset >= PAGE_SIZE)
+ alx->rx_page = NULL;
+ else
+ get_page(page);
+ }
+ return skb;
+}
+
+
static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp)
{
struct alx_rx_queue *rxq = &alx->rxq;
@@ -86,7 +115,7 @@
while (!cur_buf->skb && next != rxq->read_idx) {
struct alx_rfd *rfd = &rxq->rfd[cur];
- skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp);
+ skb = alx_alloc_skb(alx, gfp);
if (!skb)
break;
dma = dma_map_single(&alx->hw.pdev->dev,
@@ -124,6 +153,7 @@
alx_write_mem16(&alx->hw, ALX_RFD_PIDX, cur);
}
+
return count;
}
@@ -592,6 +622,11 @@
kfree(alx->txq.bufs);
kfree(alx->rxq.bufs);
+ if (alx->rx_page) {
+ put_page(alx->rx_page);
+ alx->rx_page = NULL;
+ }
+
dma_free_coherent(&alx->hw.pdev->dev,
alx->descmem.size,
alx->descmem.virt,
@@ -646,6 +681,7 @@
alx->dev->name, alx);
if (!err)
goto out;
+
/* fall back to legacy interrupt */
pci_disable_msi(alx->hw.pdev);
}
@@ -689,6 +725,7 @@
struct pci_dev *pdev = alx->hw.pdev;
struct alx_hw *hw = &alx->hw;
int err;
+ unsigned int head_size;
err = alx_identify_hw(alx);
if (err) {
@@ -704,7 +741,12 @@
hw->smb_timer = 400;
hw->mtu = alx->dev->mtu;
+
alx->rxbuf_size = ALX_MAX_FRAME_LEN(hw->mtu);
+ head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ alx->rx_frag_size = roundup_pow_of_two(head_size);
+
alx->tx_ringsz = 256;
alx->rx_ringsz = 512;
hw->imt = 200;
@@ -806,6 +848,7 @@
{
struct alx_priv *alx = netdev_priv(netdev);
int max_frame = ALX_MAX_FRAME_LEN(mtu);
+ unsigned int head_size;
if ((max_frame < ALX_MIN_FRAME_SIZE) ||
(max_frame > ALX_MAX_FRAME_SIZE))
@@ -817,6 +860,9 @@
netdev->mtu = mtu;
alx->hw.mtu = mtu;
alx->rxbuf_size = max(max_frame, ALX_DEF_RXBUF_SIZE);
+ head_size = SKB_DATA_ALIGN(alx->rxbuf_size + NET_SKB_PAD) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ alx->rx_frag_size = roundup_pow_of_two(head_size);
netdev_update_features(netdev);
if (netif_running(netdev))
alx_reinit(alx);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 0a5b770..c5fe9158 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -13941,14 +13941,14 @@
bp->doorbells = bnx2x_vf_doorbells(bp);
rc = bnx2x_vf_pci_alloc(bp);
if (rc)
- goto init_one_exit;
+ goto init_one_freemem;
} else {
doorbell_size = BNX2X_L2_MAX_CID(bp) * (1 << BNX2X_DB_SHIFT);
if (doorbell_size > pci_resource_len(pdev, 2)) {
dev_err(&bp->pdev->dev,
"Cannot map doorbells, bar size too small, aborting\n");
rc = -ENOMEM;
- goto init_one_exit;
+ goto init_one_freemem;
}
bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
doorbell_size);
@@ -13957,19 +13957,19 @@
dev_err(&bp->pdev->dev,
"Cannot map doorbell space, aborting\n");
rc = -ENOMEM;
- goto init_one_exit;
+ goto init_one_freemem;
}
if (IS_VF(bp)) {
rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count);
if (rc)
- goto init_one_exit;
+ goto init_one_freemem;
}
/* Enable SRIOV if capability found in configuration space */
rc = bnx2x_iov_init_one(bp, int_mode, BNX2X_MAX_NUM_OF_VFS);
if (rc)
- goto init_one_exit;
+ goto init_one_freemem;
/* calc qm_cid_count */
bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
@@ -13988,7 +13988,7 @@
rc = bnx2x_set_int_mode(bp);
if (rc) {
dev_err(&pdev->dev, "Cannot set interrupts\n");
- goto init_one_exit;
+ goto init_one_freemem;
}
BNX2X_DEV_INFO("set interrupts successfully\n");
@@ -13996,7 +13996,7 @@
rc = register_netdev(dev);
if (rc) {
dev_err(&pdev->dev, "Cannot register net device\n");
- goto init_one_exit;
+ goto init_one_freemem;
}
BNX2X_DEV_INFO("device name after netdev register %s\n", dev->name);
@@ -14029,6 +14029,9 @@
return 0;
+init_one_freemem:
+ bnx2x_free_mem_bp(bp);
+
init_one_exit:
bnx2x_disable_pcie_error_reporting(bp);
diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 085f912..06f0317 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -205,8 +205,10 @@
* re-adding ourselves to the poll list.
*/
- if (priv->tx_skb && !tx_ctrl_ct)
+ if (priv->tx_skb && !tx_ctrl_ct) {
+ nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0);
napi_reschedule(napi);
+ }
}
return work_done;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index ca2cccc..3c0255e 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1197,10 +1197,8 @@
fec16_to_cpu(bdp->cbd_datlen),
DMA_TO_DEVICE);
bdp->cbd_bufaddr = cpu_to_fec32(0);
- if (!skb) {
- bdp = fec_enet_get_nextdesc(bdp, &txq->bd);
- continue;
- }
+ if (!skb)
+ goto skb_done;
/* Check for errors. */
if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC |
@@ -1239,7 +1237,7 @@
/* Free the sk buffer associated with this last transmit */
dev_kfree_skb_any(skb);
-
+skb_done:
/* Make sure the update to bdp and tx_skbuff are performed
* before dirty_tx
*/
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index 3d746c8..67a648c 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -46,7 +46,6 @@
u32 link_stat = priv->link;
struct hnae_handle *h;
- assert(priv && priv->ae_handle);
h = priv->ae_handle;
if (priv->phy) {
@@ -646,8 +645,6 @@
{
struct hns_nic_priv *priv = netdev_priv(net_dev);
- assert(priv);
-
strncpy(drvinfo->version, HNAE_DRIVER_VERSION,
sizeof(drvinfo->version));
drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
@@ -720,8 +717,6 @@
struct hnae_handle *h;
struct hnae_ae_ops *ops;
- assert(priv || priv->ae_handle);
-
h = priv->ae_handle;
ops = h->dev->ops;
@@ -780,8 +775,6 @@
struct hnae_ae_ops *ops;
int ret;
- assert(priv || priv->ae_handle);
-
ops = priv->ae_handle->dev->ops;
if (ec->tx_coalesce_usecs != ec->rx_coalesce_usecs)
@@ -1111,8 +1104,6 @@
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
- assert(priv || priv->ae_handle);
-
ops = priv->ae_handle->dev->ops;
cmd->version = HNS_CHIP_VERSION;
@@ -1135,8 +1126,6 @@
struct hns_nic_priv *priv = netdev_priv(net_dev);
struct hnae_ae_ops *ops;
- assert(priv || priv->ae_handle);
-
ops = priv->ae_handle->dev->ops;
if (!ops->get_regs_len) {
netdev_err(net_dev, "ops->get_regs_len is null!\n");
diff --git a/drivers/net/ethernet/marvell/mvneta_bm.c b/drivers/net/ethernet/marvell/mvneta_bm.c
index 01fccec..466939f 100644
--- a/drivers/net/ethernet/marvell/mvneta_bm.c
+++ b/drivers/net/ethernet/marvell/mvneta_bm.c
@@ -189,6 +189,7 @@
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
hwbm_pool->construct = mvneta_bm_construct;
hwbm_pool->priv = new_pool;
+ spin_lock_init(&hwbm_pool->lock);
/* Create new pool */
err = mvneta_bm_pool_create(priv, new_pool);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index c761194..fc95aff 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -362,7 +362,7 @@
for (i = 0; i < NUM_MAIN_STATS; i++, bitmap_iterator_inc(&it))
if (bitmap_iterator_test(&it))
- data[index++] = ((unsigned long *)&priv->stats)[i];
+ data[index++] = ((unsigned long *)&dev->stats)[i];
for (i = 0; i < NUM_PORT_STATS; i++, bitmap_iterator_inc(&it))
if (bitmap_iterator_test(&it))
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 92e0624..19ceced 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1296,15 +1296,16 @@
}
-static struct net_device_stats *mlx4_en_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *
+mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
spin_lock_bh(&priv->stats_lock);
- memcpy(&priv->ret_stats, &priv->stats, sizeof(priv->stats));
+ netdev_stats_to_stats64(stats, &dev->stats);
spin_unlock_bh(&priv->stats_lock);
- return &priv->ret_stats;
+ return stats;
}
static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv)
@@ -1876,7 +1877,6 @@
if (mlx4_en_DUMP_ETH_STATS(mdev, priv->port, 1))
en_dbg(HW, priv, "Failed dumping statistics\n");
- memset(&priv->stats, 0, sizeof(priv->stats));
memset(&priv->pstats, 0, sizeof(priv->pstats));
memset(&priv->pkstats, 0, sizeof(priv->pkstats));
memset(&priv->port_stats, 0, sizeof(priv->port_stats));
@@ -1892,6 +1892,11 @@
priv->tx_ring[i]->bytes = 0;
priv->tx_ring[i]->packets = 0;
priv->tx_ring[i]->tx_csum = 0;
+ priv->tx_ring[i]->tx_dropped = 0;
+ priv->tx_ring[i]->queue_stopped = 0;
+ priv->tx_ring[i]->wake_queue = 0;
+ priv->tx_ring[i]->tso_packets = 0;
+ priv->tx_ring[i]->xmit_more = 0;
}
for (i = 0; i < priv->rx_ring_num; i++) {
priv->rx_ring[i]->bytes = 0;
@@ -2482,7 +2487,7 @@
.ndo_stop = mlx4_en_close,
.ndo_start_xmit = mlx4_en_xmit,
.ndo_select_queue = mlx4_en_select_queue,
- .ndo_get_stats = mlx4_en_get_stats,
+ .ndo_get_stats64 = mlx4_en_get_stats64,
.ndo_set_rx_mode = mlx4_en_set_rx_mode,
.ndo_set_mac_address = mlx4_en_set_mac,
.ndo_validate_addr = eth_validate_addr,
@@ -2514,7 +2519,7 @@
.ndo_stop = mlx4_en_close,
.ndo_start_xmit = mlx4_en_xmit,
.ndo_select_queue = mlx4_en_select_queue,
- .ndo_get_stats = mlx4_en_get_stats,
+ .ndo_get_stats64 = mlx4_en_get_stats64,
.ndo_set_rx_mode = mlx4_en_set_rx_mode,
.ndo_set_mac_address = mlx4_en_set_mac,
.ndo_validate_addr = eth_validate_addr,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
index 20b6c2e..5aa8b75 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
@@ -152,8 +152,9 @@
struct mlx4_counter tmp_counter_stats;
struct mlx4_en_stat_out_mbox *mlx4_en_stats;
struct mlx4_en_stat_out_flow_control_mbox *flowstats;
- struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
- struct net_device_stats *stats = &priv->stats;
+ struct net_device *dev = mdev->pndev[port];
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ struct net_device_stats *stats = &dev->stats;
struct mlx4_cmd_mailbox *mailbox;
u64 in_mod = reset << 8 | port;
int err;
@@ -188,6 +189,7 @@
}
stats->tx_packets = 0;
stats->tx_bytes = 0;
+ stats->tx_dropped = 0;
priv->port_stats.tx_chksum_offload = 0;
priv->port_stats.queue_stopped = 0;
priv->port_stats.wake_queue = 0;
@@ -199,6 +201,7 @@
stats->tx_packets += ring->packets;
stats->tx_bytes += ring->bytes;
+ stats->tx_dropped += ring->tx_dropped;
priv->port_stats.tx_chksum_offload += ring->tx_csum;
priv->port_stats.queue_stopped += ring->queue_stopped;
priv->port_stats.wake_queue += ring->wake_queue;
@@ -237,21 +240,12 @@
stats->multicast = en_stats_adder(&mlx4_en_stats->MCAST_prio_0,
&mlx4_en_stats->MCAST_prio_1,
NUM_PRIORITIES);
- stats->collisions = 0;
stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) +
sw_rx_dropped;
stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength);
- stats->rx_over_errors = 0;
stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC);
- stats->rx_frame_errors = 0;
stats->rx_fifo_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw);
- stats->rx_missed_errors = 0;
- stats->tx_aborted_errors = 0;
- stats->tx_carrier_errors = 0;
- stats->tx_fifo_errors = 0;
- stats->tx_heartbeat_errors = 0;
- stats->tx_window_errors = 0;
- stats->tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP);
+ stats->tx_dropped += be32_to_cpu(mlx4_en_stats->TDROP);
/* RX stats */
priv->pkstats.rx_multicast_packets = stats->multicast;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index f6e6157..76aa4d2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -726,12 +726,12 @@
bool inline_ok;
u32 ring_cons;
- if (!priv->port_up)
- goto tx_drop;
-
tx_ind = skb_get_queue_mapping(skb);
ring = priv->tx_ring[tx_ind];
+ if (!priv->port_up)
+ goto tx_drop;
+
/* fetch ring->cons far ahead before needing it to avoid stall */
ring_cons = ACCESS_ONCE(ring->cons);
@@ -1030,7 +1030,7 @@
tx_drop:
dev_kfree_skb_any(skb);
- priv->stats.tx_dropped++;
+ ring->tx_dropped++;
return NETDEV_TX_OK;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index cc84e09..467d47e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -270,6 +270,7 @@
unsigned long tx_csum;
unsigned long tso_packets;
unsigned long xmit_more;
+ unsigned int tx_dropped;
struct mlx4_bf bf;
unsigned long queue_stopped;
@@ -482,8 +483,6 @@
struct mlx4_en_port_profile *prof;
struct net_device *dev;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
- struct net_device_stats stats;
- struct net_device_stats ret_stats;
struct mlx4_en_port_state port_state;
spinlock_t stats_lock;
struct ethtool_flow_id ethtool_rules[MAX_NUM_OF_FS_RULES];
diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c
index b3cc3ab..6fc156a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/pd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/pd.c
@@ -205,7 +205,9 @@
goto free_uar;
}
- uar->bf_map = io_mapping_map_wc(priv->bf_mapping, uar->index << PAGE_SHIFT);
+ uar->bf_map = io_mapping_map_wc(priv->bf_mapping,
+ uar->index << PAGE_SHIFT,
+ PAGE_SIZE);
if (!uar->bf_map) {
err = -ENOMEM;
goto unamp_uar;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
index cbf58e1..21ec1c2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c
@@ -192,9 +192,10 @@
struct dcbx_app_priority_entry *p_tbl,
u32 pri_tc_tbl, int count, bool dcbx_enabled)
{
- u8 tc, priority, priority_map;
+ u8 tc, priority_map;
enum dcbx_protocol_type type;
u16 protocol_id;
+ int priority;
bool enable;
int i;
@@ -221,7 +222,7 @@
* indication, but we only got here if there was an
* app tlv for the protocol, so dcbx must be enabled.
*/
- enable = !!(type == DCBX_PROTOCOL_ETH);
+ enable = !(type == DCBX_PROTOCOL_ETH);
qed_dcbx_update_app_info(p_data, p_hwfn, enable, true,
priority, tc, type);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 089016f..2d89e8c 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -155,12 +155,14 @@
}
}
-static int qed_init_qm_info(struct qed_hwfn *p_hwfn)
+static int qed_init_qm_info(struct qed_hwfn *p_hwfn, bool b_sleepable)
{
u8 num_vports, vf_offset = 0, i, vport_id, num_ports, curr_queue = 0;
struct qed_qm_info *qm_info = &p_hwfn->qm_info;
struct init_qm_port_params *p_qm_port;
u16 num_pqs, multi_cos_tcs = 1;
+ u8 pf_wfq = qm_info->pf_wfq;
+ u32 pf_rl = qm_info->pf_rl;
u16 num_vfs = 0;
#ifdef CONFIG_QED_SRIOV
@@ -182,23 +184,28 @@
/* PQs will be arranged as follows: First per-TC PQ then pure-LB quete.
*/
- qm_info->qm_pq_params = kzalloc(sizeof(*qm_info->qm_pq_params) *
- num_pqs, GFP_KERNEL);
+ qm_info->qm_pq_params = kcalloc(num_pqs,
+ sizeof(struct init_qm_pq_params),
+ b_sleepable ? GFP_KERNEL : GFP_ATOMIC);
if (!qm_info->qm_pq_params)
goto alloc_err;
- qm_info->qm_vport_params = kzalloc(sizeof(*qm_info->qm_vport_params) *
- num_vports, GFP_KERNEL);
+ qm_info->qm_vport_params = kcalloc(num_vports,
+ sizeof(struct init_qm_vport_params),
+ b_sleepable ? GFP_KERNEL
+ : GFP_ATOMIC);
if (!qm_info->qm_vport_params)
goto alloc_err;
- qm_info->qm_port_params = kzalloc(sizeof(*qm_info->qm_port_params) *
- MAX_NUM_PORTS, GFP_KERNEL);
+ qm_info->qm_port_params = kcalloc(MAX_NUM_PORTS,
+ sizeof(struct init_qm_port_params),
+ b_sleepable ? GFP_KERNEL
+ : GFP_ATOMIC);
if (!qm_info->qm_port_params)
goto alloc_err;
- qm_info->wfq_data = kcalloc(num_vports, sizeof(*qm_info->wfq_data),
- GFP_KERNEL);
+ qm_info->wfq_data = kcalloc(num_vports, sizeof(struct qed_wfq_data),
+ b_sleepable ? GFP_KERNEL : GFP_ATOMIC);
if (!qm_info->wfq_data)
goto alloc_err;
@@ -264,10 +271,10 @@
for (i = 0; i < qm_info->num_vports; i++)
qm_info->qm_vport_params[i].vport_wfq = 1;
- qm_info->pf_wfq = 0;
- qm_info->pf_rl = 0;
qm_info->vport_rl_en = 1;
qm_info->vport_wfq_en = 1;
+ qm_info->pf_rl = pf_rl;
+ qm_info->pf_wfq = pf_wfq;
return 0;
@@ -299,7 +306,7 @@
qed_qm_info_free(p_hwfn);
/* initialize qed's qm data structure */
- rc = qed_init_qm_info(p_hwfn);
+ rc = qed_init_qm_info(p_hwfn, false);
if (rc)
return rc;
@@ -388,7 +395,7 @@
goto alloc_err;
/* Prepare and process QM requirements */
- rc = qed_init_qm_info(p_hwfn);
+ rc = qed_init_qm_info(p_hwfn, true);
if (rc)
goto alloc_err;
@@ -581,7 +588,14 @@
hw_mode |= 1 << MODE_ASIC;
+ if (p_hwfn->cdev->num_hwfns > 1)
+ hw_mode |= 1 << MODE_100G;
+
p_hwfn->hw_info.hw_mode = hw_mode;
+
+ DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP),
+ "Configuring function for hw_mode: 0x%08x\n",
+ p_hwfn->hw_info.hw_mode);
}
/* Init run time data for all PFs on an engine. */
@@ -821,6 +835,11 @@
u32 load_code, param;
int rc, mfw_rc, i;
+ if ((int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) {
+ DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n");
+ return -EINVAL;
+ }
+
if (IS_PF(cdev)) {
rc = qed_init_fw_data(cdev, bin_fw_data);
if (rc != 0)
@@ -2086,6 +2105,13 @@
{
int i;
+ if (cdev->num_hwfns > 1) {
+ DP_VERBOSE(cdev,
+ NETIF_MSG_LINK,
+ "WFQ configuration is not supported for this device\n");
+ return;
+ }
+
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 8b22f87..7530646 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -413,15 +413,17 @@
/* Fallthrough */
case QED_INT_MODE_MSI:
- rc = pci_enable_msi(cdev->pdev);
- if (!rc) {
- int_params->out.int_mode = QED_INT_MODE_MSI;
- goto out;
- }
+ if (cdev->num_hwfns == 1) {
+ rc = pci_enable_msi(cdev->pdev);
+ if (!rc) {
+ int_params->out.int_mode = QED_INT_MODE_MSI;
+ goto out;
+ }
- DP_NOTICE(cdev, "Failed to enable MSI\n");
- if (force_mode)
- goto out;
+ DP_NOTICE(cdev, "Failed to enable MSI\n");
+ if (force_mode)
+ goto out;
+ }
/* Fallthrough */
case QED_INT_MODE_INTA:
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 1bc7535..ad3cae3 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -230,7 +230,10 @@
case ETH_SS_PRIV_FLAGS:
return QEDE_PRI_FLAG_LEN;
case ETH_SS_TEST:
- return QEDE_ETHTOOL_TEST_MAX;
+ if (!IS_VF(edev))
+ return QEDE_ETHTOOL_TEST_MAX;
+ else
+ return 0;
default:
DP_VERBOSE(edev, QED_MSG_DEBUG,
"Unsupported stringset 0x%08x\n", stringset);
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 337e839..5d00d14 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -1824,7 +1824,7 @@
{
struct qede_dev *edev = netdev_priv(dev);
- return edev->ops->iov->set_rate(edev->cdev, vfidx, max_tx_rate,
+ return edev->ops->iov->set_rate(edev->cdev, vfidx, min_tx_rate,
max_tx_rate);
}
@@ -2091,6 +2091,29 @@
edev->accept_any_vlan = false;
}
+int qede_set_features(struct net_device *dev, netdev_features_t features)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ netdev_features_t changes = features ^ dev->features;
+ bool need_reload = false;
+
+ /* No action needed if hardware GRO is disabled during driver load */
+ if (changes & NETIF_F_GRO) {
+ if (dev->features & NETIF_F_GRO)
+ need_reload = !edev->gro_disable;
+ else
+ need_reload = edev->gro_disable;
+ }
+
+ if (need_reload && netif_running(edev->ndev)) {
+ dev->features = features;
+ qede_reload(edev, NULL, NULL);
+ return 1;
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_QEDE_VXLAN
static void qede_add_vxlan_port(struct net_device *dev,
sa_family_t sa_family, __be16 port)
@@ -2175,6 +2198,7 @@
#endif
.ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid,
+ .ndo_set_features = qede_set_features,
.ndo_get_stats64 = qede_get_stats64,
#ifdef CONFIG_QED_SRIOV
.ndo_set_vf_link_state = qede_set_vf_link_state,
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index 83d7210..fd5d1c9 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -4846,7 +4846,6 @@
}
/* Disabling the timer */
- del_timer_sync(&qdev->timer);
ql_cancel_all_work_sync(qdev);
for (i = 0; i < qdev->rss_ring_count; i++)
@@ -4873,6 +4872,7 @@
return PCI_ERS_RESULT_CAN_RECOVER;
case pci_channel_io_frozen:
netif_device_detach(ndev);
+ del_timer_sync(&qdev->timer);
if (netif_running(ndev))
ql_eeh_close(ndev);
pci_disable_device(pdev);
@@ -4880,6 +4880,7 @@
case pci_channel_io_perm_failure:
dev_err(&pdev->dev,
"%s: pci_channel_io_perm_failure.\n", __func__);
+ del_timer_sync(&qdev->timer);
ql_eeh_close(ndev);
set_bit(QL_EEH_FATAL, &qdev->flags);
return PCI_ERS_RESULT_DISCONNECT;
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 1681084..1f30912 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -619,6 +619,17 @@
return rc;
}
+static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
+{
+ struct efx_channel *channel;
+ struct efx_tx_queue *tx_queue;
+
+ /* All our existing PIO buffers went away */
+ efx_for_each_channel(channel, efx)
+ efx_for_each_channel_tx_queue(tx_queue, channel)
+ tx_queue->piobuf = NULL;
+}
+
#else /* !EFX_USE_PIO */
static int efx_ef10_alloc_piobufs(struct efx_nic *efx, unsigned int n)
@@ -635,6 +646,10 @@
{
}
+static void efx_ef10_forget_old_piobufs(struct efx_nic *efx)
+{
+}
+
#endif /* EFX_USE_PIO */
static void efx_ef10_remove(struct efx_nic *efx)
@@ -1018,6 +1033,7 @@
nic_data->must_realloc_vis = true;
nic_data->must_restore_filters = true;
nic_data->must_restore_piobufs = true;
+ efx_ef10_forget_old_piobufs(efx);
nic_data->rx_rss_context = EFX_EF10_RSS_CONTEXT_INVALID;
/* Driver-created vswitches and vports must be re-created */
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 0705ec86..097f363 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -1726,14 +1726,33 @@
#ifdef CONFIG_RFS_ACCEL
if (efx->type->offload_features & NETIF_F_NTUPLE) {
- efx->rps_flow_id = kcalloc(efx->type->max_rx_ip_filters,
- sizeof(*efx->rps_flow_id),
- GFP_KERNEL);
- if (!efx->rps_flow_id) {
+ struct efx_channel *channel;
+ int i, success = 1;
+
+ efx_for_each_channel(channel, efx) {
+ channel->rps_flow_id =
+ kcalloc(efx->type->max_rx_ip_filters,
+ sizeof(*channel->rps_flow_id),
+ GFP_KERNEL);
+ if (!channel->rps_flow_id)
+ success = 0;
+ else
+ for (i = 0;
+ i < efx->type->max_rx_ip_filters;
+ ++i)
+ channel->rps_flow_id[i] =
+ RPS_FLOW_ID_INVALID;
+ }
+
+ if (!success) {
+ efx_for_each_channel(channel, efx)
+ kfree(channel->rps_flow_id);
efx->type->filter_table_remove(efx);
rc = -ENOMEM;
goto out_unlock;
}
+
+ efx->rps_expire_index = efx->rps_expire_channel = 0;
}
#endif
out_unlock:
@@ -1744,7 +1763,10 @@
static void efx_remove_filters(struct efx_nic *efx)
{
#ifdef CONFIG_RFS_ACCEL
- kfree(efx->rps_flow_id);
+ struct efx_channel *channel;
+
+ efx_for_each_channel(channel, efx)
+ kfree(channel->rps_flow_id);
#endif
down_write(&efx->filter_sem);
efx->type->filter_table_remove(efx);
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index 38c4223..d13ddf9 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -403,6 +403,8 @@
* @event_test_cpu: Last CPU to handle interrupt or test event for this channel
* @irq_count: Number of IRQs since last adaptive moderation decision
* @irq_mod_score: IRQ moderation score
+ * @rps_flow_id: Flow IDs of filters allocated for accelerated RFS,
+ * indexed by filter ID
* @n_rx_tobe_disc: Count of RX_TOBE_DISC errors
* @n_rx_ip_hdr_chksum_err: Count of RX IP header checksum errors
* @n_rx_tcp_udp_chksum_err: Count of RX TCP and UDP checksum errors
@@ -446,6 +448,8 @@
unsigned int irq_mod_score;
#ifdef CONFIG_RFS_ACCEL
unsigned int rfs_filters_added;
+#define RPS_FLOW_ID_INVALID 0xFFFFFFFF
+ u32 *rps_flow_id;
#endif
unsigned n_rx_tobe_disc;
@@ -889,9 +893,9 @@
* @filter_sem: Filter table rw_semaphore, for freeing the table
* @filter_lock: Filter table lock, for mere content changes
* @filter_state: Architecture-dependent filter table state
- * @rps_flow_id: Flow IDs of filters allocated for accelerated RFS,
- * indexed by filter ID
- * @rps_expire_index: Next index to check for expiry in @rps_flow_id
+ * @rps_expire_channel: Next channel to check for expiry
+ * @rps_expire_index: Next index to check for expiry in
+ * @rps_expire_channel's @rps_flow_id
* @active_queues: Count of RX and TX queues that haven't been flushed and drained.
* @rxq_flush_pending: Count of number of receive queues that need to be flushed.
* Decremented when the efx_flush_rx_queue() is called.
@@ -1035,7 +1039,7 @@
spinlock_t filter_lock;
void *filter_state;
#ifdef CONFIG_RFS_ACCEL
- u32 *rps_flow_id;
+ unsigned int rps_expire_channel;
unsigned int rps_expire_index;
#endif
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 8956995..02b0b527 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -842,33 +842,18 @@
struct efx_nic *efx = netdev_priv(net_dev);
struct efx_channel *channel;
struct efx_filter_spec spec;
- const __be16 *ports;
- __be16 ether_type;
- int nhoff;
+ struct flow_keys fk;
int rc;
- /* The core RPS/RFS code has already parsed and validated
- * VLAN, IP and transport headers. We assume they are in the
- * header area.
- */
+ if (flow_id == RPS_FLOW_ID_INVALID)
+ return -EINVAL;
- if (skb->protocol == htons(ETH_P_8021Q)) {
- const struct vlan_hdr *vh =
- (const struct vlan_hdr *)skb->data;
+ if (!skb_flow_dissect_flow_keys(skb, &fk, 0))
+ return -EPROTONOSUPPORT;
- /* We can't filter on the IP 5-tuple and the vlan
- * together, so just strip the vlan header and filter
- * on the IP part.
- */
- EFX_BUG_ON_PARANOID(skb_headlen(skb) < sizeof(*vh));
- ether_type = vh->h_vlan_encapsulated_proto;
- nhoff = sizeof(struct vlan_hdr);
- } else {
- ether_type = skb->protocol;
- nhoff = 0;
- }
-
- if (ether_type != htons(ETH_P_IP) && ether_type != htons(ETH_P_IPV6))
+ if (fk.basic.n_proto != htons(ETH_P_IP) && fk.basic.n_proto != htons(ETH_P_IPV6))
+ return -EPROTONOSUPPORT;
+ if (fk.control.flags & FLOW_DIS_IS_FRAGMENT)
return -EPROTONOSUPPORT;
efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT,
@@ -878,56 +863,41 @@
EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_IP_PROTO |
EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_LOC_PORT |
EFX_FILTER_MATCH_REM_HOST | EFX_FILTER_MATCH_REM_PORT;
- spec.ether_type = ether_type;
+ spec.ether_type = fk.basic.n_proto;
+ spec.ip_proto = fk.basic.ip_proto;
- if (ether_type == htons(ETH_P_IP)) {
- const struct iphdr *ip =
- (const struct iphdr *)(skb->data + nhoff);
-
- EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + sizeof(*ip));
- if (ip_is_fragment(ip))
- return -EPROTONOSUPPORT;
- spec.ip_proto = ip->protocol;
- spec.rem_host[0] = ip->saddr;
- spec.loc_host[0] = ip->daddr;
- EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + 4 * ip->ihl + 4);
- ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl);
+ if (fk.basic.n_proto == htons(ETH_P_IP)) {
+ spec.rem_host[0] = fk.addrs.v4addrs.src;
+ spec.loc_host[0] = fk.addrs.v4addrs.dst;
} else {
- const struct ipv6hdr *ip6 =
- (const struct ipv6hdr *)(skb->data + nhoff);
-
- EFX_BUG_ON_PARANOID(skb_headlen(skb) <
- nhoff + sizeof(*ip6) + 4);
- spec.ip_proto = ip6->nexthdr;
- memcpy(spec.rem_host, &ip6->saddr, sizeof(ip6->saddr));
- memcpy(spec.loc_host, &ip6->daddr, sizeof(ip6->daddr));
- ports = (const __be16 *)(ip6 + 1);
+ memcpy(spec.rem_host, &fk.addrs.v6addrs.src, sizeof(struct in6_addr));
+ memcpy(spec.loc_host, &fk.addrs.v6addrs.dst, sizeof(struct in6_addr));
}
- spec.rem_port = ports[0];
- spec.loc_port = ports[1];
+ spec.rem_port = fk.ports.src;
+ spec.loc_port = fk.ports.dst;
rc = efx->type->filter_rfs_insert(efx, &spec);
if (rc < 0)
return rc;
/* Remember this so we can check whether to expire the filter later */
- efx->rps_flow_id[rc] = flow_id;
- channel = efx_get_channel(efx, skb_get_rx_queue(skb));
+ channel = efx_get_channel(efx, rxq_index);
+ channel->rps_flow_id[rc] = flow_id;
++channel->rfs_filters_added;
- if (ether_type == htons(ETH_P_IP))
+ if (spec.ether_type == htons(ETH_P_IP))
netif_info(efx, rx_status, efx->net_dev,
"steering %s %pI4:%u:%pI4:%u to queue %u [flow %u filter %d]\n",
(spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP",
- spec.rem_host, ntohs(ports[0]), spec.loc_host,
- ntohs(ports[1]), rxq_index, flow_id, rc);
+ spec.rem_host, ntohs(spec.rem_port), spec.loc_host,
+ ntohs(spec.loc_port), rxq_index, flow_id, rc);
else
netif_info(efx, rx_status, efx->net_dev,
"steering %s [%pI6]:%u:[%pI6]:%u to queue %u [flow %u filter %d]\n",
(spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP",
- spec.rem_host, ntohs(ports[0]), spec.loc_host,
- ntohs(ports[1]), rxq_index, flow_id, rc);
+ spec.rem_host, ntohs(spec.rem_port), spec.loc_host,
+ ntohs(spec.loc_port), rxq_index, flow_id, rc);
return rc;
}
@@ -935,24 +905,34 @@
bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned int quota)
{
bool (*expire_one)(struct efx_nic *efx, u32 flow_id, unsigned int index);
- unsigned int index, size;
+ unsigned int channel_idx, index, size;
u32 flow_id;
if (!spin_trylock_bh(&efx->filter_lock))
return false;
expire_one = efx->type->filter_rfs_expire_one;
+ channel_idx = efx->rps_expire_channel;
index = efx->rps_expire_index;
size = efx->type->max_rx_ip_filters;
while (quota--) {
- flow_id = efx->rps_flow_id[index];
- if (expire_one(efx, flow_id, index))
+ struct efx_channel *channel = efx_get_channel(efx, channel_idx);
+ flow_id = channel->rps_flow_id[index];
+
+ if (flow_id != RPS_FLOW_ID_INVALID &&
+ expire_one(efx, flow_id, index)) {
netif_info(efx, rx_status, efx->net_dev,
- "expired filter %d [flow %u]\n",
- index, flow_id);
- if (++index == size)
+ "expired filter %d [queue %u flow %u]\n",
+ index, channel_idx, flow_id);
+ channel->rps_flow_id[index] = RPS_FLOW_ID_INVALID;
+ }
+ if (++index == size) {
+ if (++channel_idx == efx->n_channels)
+ channel_idx = 0;
index = 0;
+ }
}
+ efx->rps_expire_channel = channel_idx;
efx->rps_expire_index = index;
spin_unlock_bh(&efx->filter_lock);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 3f83c36..ec29585 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -297,7 +297,7 @@
return -ENOMEM;
if (mdio_bus_data->irqs)
- memcpy(new_bus->irq, mdio_bus_data, sizeof(new_bus->irq));
+ memcpy(new_bus->irq, mdio_bus_data->irqs, sizeof(new_bus->irq));
#ifdef CONFIG_OF
if (priv->device->of_node)
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index a0f64cb..2ace126 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -990,7 +990,7 @@
#define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \
NETIF_F_RXCSUM | NETIF_F_ALL_TSO)
-static void __team_compute_features(struct team *team)
+static void ___team_compute_features(struct team *team)
{
struct team_port *port;
u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL;
@@ -1021,15 +1021,20 @@
team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
if (dst_release_flag == (IFF_XMIT_DST_RELEASE | IFF_XMIT_DST_RELEASE_PERM))
team->dev->priv_flags |= IFF_XMIT_DST_RELEASE;
+}
+static void __team_compute_features(struct team *team)
+{
+ ___team_compute_features(team);
netdev_change_features(team->dev);
}
static void team_compute_features(struct team *team)
{
mutex_lock(&team->lock);
- __team_compute_features(team);
+ ___team_compute_features(team);
mutex_unlock(&team->lock);
+ netdev_change_features(team->dev);
}
static int team_port_enter(struct team *team, struct team_port *port)
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 36cd7f0..9bbe0161 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -473,7 +473,7 @@
goto goon;
}
- if (!count || count < 4)
+ if (count < 4)
goto goon;
rx_status = buf[count - 2];
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index d9d2806..dc989a8 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -61,6 +61,8 @@
#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
+#define CARRIER_CHECK_DELAY (2 * HZ)
+
struct smsc95xx_priv {
u32 mac_cr;
u32 hash_hi;
@@ -69,6 +71,9 @@
spinlock_t mac_cr_lock;
u8 features;
u8 suspend_flags;
+ bool link_ok;
+ struct delayed_work carrier_check;
+ struct usbnet *dev;
};
static bool turbo_mode = true;
@@ -624,6 +629,44 @@
intdata);
}
+static void set_carrier(struct usbnet *dev, bool link)
+{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
+ if (pdata->link_ok == link)
+ return;
+
+ pdata->link_ok = link;
+
+ if (link)
+ usbnet_link_change(dev, 1, 0);
+ else
+ usbnet_link_change(dev, 0, 0);
+}
+
+static void check_carrier(struct work_struct *work)
+{
+ struct smsc95xx_priv *pdata = container_of(work, struct smsc95xx_priv,
+ carrier_check.work);
+ struct usbnet *dev = pdata->dev;
+ int ret;
+
+ if (pdata->suspend_flags != 0)
+ return;
+
+ ret = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMSR);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MII_BMSR\n");
+ return;
+ }
+ if (ret & BMSR_LSTATUS)
+ set_carrier(dev, 1);
+ else
+ set_carrier(dev, 0);
+
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
+}
+
/* Enable or disable Tx & Rx checksum offload engines */
static int smsc95xx_set_features(struct net_device *netdev,
netdev_features_t features)
@@ -1165,13 +1208,20 @@
dev->net->flags |= IFF_MULTICAST;
dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+
+ pdata->dev = dev;
+ INIT_DELAYED_WORK(&pdata->carrier_check, check_carrier);
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
+
return 0;
}
static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
if (pdata) {
+ cancel_delayed_work(&pdata->carrier_check);
netif_dbg(dev, ifdown, dev->net, "free pdata\n");
kfree(pdata);
pdata = NULL;
@@ -1695,6 +1745,7 @@
/* do this first to ensure it's cleared even in error case */
pdata->suspend_flags = 0;
+ schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
if (suspend_flags & SUSPEND_ALLMODES) {
/* clear wake-up sources */
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 49d84e5..e0638e5 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1925,24 +1925,11 @@
virtio_device_ready(vdev);
- /* Last of all, set up some receive buffers. */
- for (i = 0; i < vi->curr_queue_pairs; i++) {
- try_fill_recv(vi, &vi->rq[i], GFP_KERNEL);
-
- /* If we didn't even get one input buffer, we're useless. */
- if (vi->rq[i].vq->num_free ==
- virtqueue_get_vring_size(vi->rq[i].vq)) {
- free_unused_bufs(vi);
- err = -ENOMEM;
- goto free_recv_bufs;
- }
- }
-
vi->nb.notifier_call = &virtnet_cpu_callback;
err = register_hotcpu_notifier(&vi->nb);
if (err) {
pr_debug("virtio_net: registering cpu notifier failed\n");
- goto free_recv_bufs;
+ goto free_unregister_netdev;
}
/* Assume link up if device can't report link status,
@@ -1960,10 +1947,9 @@
return 0;
-free_recv_bufs:
+free_unregister_netdev:
vi->vdev->config->reset(vdev);
- free_receive_bufs(vi);
unregister_netdev(dev);
free_vqs:
cancel_delayed_work_sync(&vi->refill);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 8ff30c3..f999db2 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3086,6 +3086,9 @@
if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL])
conf.flags |= VXLAN_F_REMCSUM_NOPARTIAL;
+ if (tb[IFLA_MTU])
+ conf.mtu = nla_get_u32(tb[IFLA_MTU]);
+
err = vxlan_dev_configure(src_net, dev, &conf);
switch (err) {
case -ENODEV:
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index f2d01d4..1b8304e 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -950,17 +950,14 @@
/* For SPIs, we need to track the affinity per IRQ */
if (using_spi) {
- if (i >= pdev->num_resources) {
- of_node_put(dn);
+ if (i >= pdev->num_resources)
break;
- }
irqs[i] = cpu;
}
/* Keep track of the CPUs containing this PMU type */
cpumask_set_cpu(cpu, &pmu->supported_cpus);
- of_node_put(dn);
i++;
} while (1);
@@ -995,9 +992,6 @@
armpmu_init(pmu);
- if (!__oprofile_cpu_pmu)
- __oprofile_cpu_pmu = pmu;
-
pmu->plat_device = pdev;
if (node && (of_id = of_match_node(of_table, pdev->dev.of_node))) {
@@ -1033,6 +1027,9 @@
if (ret)
goto out_destroy;
+ if (!__oprofile_cpu_pmu)
+ __oprofile_cpu_pmu = pmu;
+
pr_info("enabled with %s PMU driver, %d counters available\n",
pmu->name, pmu->num_events);
@@ -1043,6 +1040,7 @@
out_free:
pr_info("%s: failed to register PMU devices!\n",
of_node_full_name(node));
+ kfree(pmu->irq_affinity);
kfree(pmu);
return ret;
}
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 207b13b..a607655 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1256,9 +1256,10 @@
const struct mtk_desc_pin *pin;
chained_irq_enter(chip, desc);
- for (eint_num = 0; eint_num < pctl->devdata->ap_num; eint_num += 32) {
+ for (eint_num = 0;
+ eint_num < pctl->devdata->ap_num;
+ eint_num += 32, reg += 4) {
status = readl(reg);
- reg += 4;
while (status) {
offset = __ffs(status);
index = eint_num + offset;
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index ccbfc32..38facef 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -854,7 +854,7 @@
clk_enable(nmk_chip->clk);
- dir = !!(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset));
+ dir = !(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset));
clk_disable(nmk_chip->clk);
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 579fd65..d637c93 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -208,14 +208,10 @@
break;
case PTP_SYS_OFFSET:
- sysoff = kmalloc(sizeof(*sysoff), GFP_KERNEL);
- if (!sysoff) {
- err = -ENOMEM;
- break;
- }
- if (copy_from_user(sysoff, (void __user *)arg,
- sizeof(*sysoff))) {
- err = -EFAULT;
+ sysoff = memdup_user((void __user *)arg, sizeof(*sysoff));
+ if (IS_ERR(sysoff)) {
+ err = PTR_ERR(sysoff);
+ sysoff = NULL;
break;
}
if (sysoff->n_samples > PTP_MAX_SAMPLES) {
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 8f90d9e..969c312 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -621,6 +621,11 @@
#define AAC_QUIRK_SCSI_32 0x0020
/*
+ * SRC based adapters support the AifReqEvent functions
+ */
+#define AAC_QUIRK_SRC 0x0040
+
+/*
* The adapter interface specs all queues to be located in the same
* physically contiguous block. The host structure that defines the
* commuication queues will assume they are each a separate physically
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index a943bd2..79871f3 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -236,10 +236,10 @@
{ aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
- { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
- { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */
- { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */
- { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */
+ { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
+ { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
+ { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
+ { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */
};
/**
@@ -1299,7 +1299,8 @@
else
shost->this_id = shost->max_id;
- aac_intr_normal(aac, 0, 2, 0, NULL);
+ if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
+ aac_intr_normal(aac, 0, 2, 0, NULL);
/*
* dmb - we may need to move the setting of these parms somewhere else once
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 6a4df5a..6bff13e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -7975,13 +7975,14 @@
ActiveCableEventData =
(Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
if (ActiveCableEventData->ReasonCode ==
- MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER)
+ MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER) {
pr_info(MPT3SAS_FMT "Currently an active cable with ReceptacleID %d",
ioc->name, ActiveCableEventData->ReceptacleID);
pr_info("cannot be powered and devices connected to this active cable");
pr_info("will not be seen. This active cable");
pr_info("requires %d mW of power",
ActiveCableEventData->ActiveCablePowerRequirement);
+ }
break;
default: /* ignore the rest */
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b2e332a..c71344a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -821,9 +821,12 @@
}
/*
- * If we finished all bytes in the request we are done now.
+ * special case: failed zero length commands always need to
+ * drop down into the retry code. Otherwise, if we finished
+ * all bytes in the request we are done now.
*/
- if (!scsi_end_request(req, error, good_bytes, 0))
+ if (!(blk_rq_bytes(req) == 0 && error) &&
+ !scsi_end_request(req, error, good_bytes, 0))
return;
/*
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 428c03e..f459dff 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1398,11 +1398,15 @@
**/
static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing)
{
- struct scsi_disk *sdkp = scsi_disk(disk);
- struct scsi_device *sdp = sdkp->device;
+ struct scsi_disk *sdkp = scsi_disk_get(disk);
+ struct scsi_device *sdp;
struct scsi_sense_hdr *sshdr = NULL;
int retval;
+ if (!sdkp)
+ return 0;
+
+ sdp = sdkp->device;
SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_check_events\n"));
/*
@@ -1459,6 +1463,7 @@
kfree(sshdr);
retval = sdp->changed ? DISK_EVENT_MEDIA_CHANGE : 0;
sdp->changed = 0;
+ scsi_disk_put(sdkp);
return retval;
}
diff --git a/drivers/thermal/int340x_thermal/int3406_thermal.c b/drivers/thermal/int340x_thermal/int3406_thermal.c
index 13d431c..a578cd2 100644
--- a/drivers/thermal/int340x_thermal/int3406_thermal.c
+++ b/drivers/thermal/int340x_thermal/int3406_thermal.c
@@ -177,7 +177,7 @@
return -ENODEV;
d->raw_bd = bd;
- ret = acpi_video_get_levels(ACPI_COMPANION(&pdev->dev), &d->br);
+ ret = acpi_video_get_levels(ACPI_COMPANION(&pdev->dev), &d->br, NULL);
if (ret)
return ret;
diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index 82c4d2e..9510305 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -120,17 +120,6 @@
All modern Linux systems use the Unix98 ptys. Say Y unless
you're on an embedded system and want to conserve memory.
-config DEVPTS_MULTIPLE_INSTANCES
- bool "Support multiple instances of devpts"
- depends on UNIX98_PTYS
- default n
- ---help---
- Enable support for multiple instances of devpts filesystem.
- If you want to have isolated PTY namespaces (eg: in containers),
- say Y here. Otherwise, say N. If enabled, each mount of devpts
- filesystem with the '-o newinstance' option will create an
- independent PTY namespace.
-
config LEGACY_PTYS
bool "Legacy (BSD) PTY support"
default y
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index dd4b841..f856c45 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -668,7 +668,7 @@
else
fsi = tty->link->driver_data;
devpts_kill_index(fsi, tty->index);
- devpts_put_ref(fsi);
+ devpts_release(fsi);
}
static const struct tty_operations ptm_unix98_ops = {
@@ -733,10 +733,11 @@
if (retval)
return retval;
- fsi = devpts_get_ref(inode, filp);
- retval = -ENODEV;
- if (!fsi)
+ fsi = devpts_acquire(filp);
+ if (IS_ERR(fsi)) {
+ retval = PTR_ERR(fsi);
goto out_free_file;
+ }
/* find a device that is not in use. */
mutex_lock(&devpts_mutex);
@@ -745,7 +746,7 @@
retval = index;
if (index < 0)
- goto out_put_ref;
+ goto out_put_fsi;
mutex_lock(&tty_mutex);
@@ -789,8 +790,8 @@
return retval;
out:
devpts_kill_index(fsi, index);
-out_put_ref:
- devpts_put_ref(fsi);
+out_put_fsi:
+ devpts_release(fsi);
out_free_file:
tty_free_file(filp);
return retval;
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 9360140..688691d 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -749,7 +749,8 @@
if (pci_write_vpd(pdev, addr & ~PCI_VPD_ADDR_F, 4, &data) != 4)
return count;
} else {
- if (pci_read_vpd(pdev, addr, 4, &data) != 4)
+ data = 0;
+ if (pci_read_vpd(pdev, addr, 4, &data) < 0)
return count;
*pdata = cpu_to_le32(data);
}
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index e9ea3fe..15ecfc9 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -228,9 +228,9 @@
static void vfio_intx_disable(struct vfio_pci_device *vdev)
{
- vfio_intx_set_signal(vdev, -1);
vfio_virqfd_disable(&vdev->ctx[0].unmask);
vfio_virqfd_disable(&vdev->ctx[0].mask);
+ vfio_intx_set_signal(vdev, -1);
vdev->irq_type = VFIO_PCI_NUM_IRQS;
vdev->num_ctx = 0;
kfree(vdev->ctx);
@@ -401,13 +401,13 @@
struct pci_dev *pdev = vdev->pdev;
int i;
- vfio_msi_set_block(vdev, 0, vdev->num_ctx, NULL, msix);
-
for (i = 0; i < vdev->num_ctx; i++) {
vfio_virqfd_disable(&vdev->ctx[i].unmask);
vfio_virqfd_disable(&vdev->ctx[i].mask);
}
+ vfio_msi_set_block(vdev, 0, vdev->num_ctx, NULL, msix);
+
if (msix) {
pci_disable_msix(vdev->pdev);
kfree(vdev->msix);
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 15a6582..2ba1942 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -515,7 +515,7 @@
unsigned long pfn, long npage, int prot)
{
long i;
- int ret;
+ int ret = 0;
for (i = 0; i < npage; i++, pfn++, iova += PAGE_SIZE) {
ret = iommu_map(domain->domain, iova,
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
index 8ea531d..bbfe7e2 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
@@ -51,8 +51,8 @@
{
void __iomem *base = core->base;
const unsigned long long iclk = 266000000; /* DSS L3 ICLK */
- const unsigned ss_scl_high = 4000; /* ns */
- const unsigned ss_scl_low = 4700; /* ns */
+ const unsigned ss_scl_high = 4600; /* ns */
+ const unsigned ss_scl_low = 5400; /* ns */
const unsigned fs_scl_high = 600; /* ns */
const unsigned fs_scl_low = 1300; /* ns */
const unsigned sda_hold = 1000; /* ns */
@@ -442,7 +442,7 @@
c = (ptr[1] >> 6) & 0x3;
m = (ptr[1] >> 4) & 0x3;
- r = (ptr[1] >> 0) & 0x3;
+ r = (ptr[1] >> 0) & 0xf;
itc = (ptr[2] >> 7) & 0x1;
ec = (ptr[2] >> 4) & 0x7;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a400951..689d25a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2042,6 +2042,11 @@
struct btrfs_bio *bbio = NULL;
+ /*
+ * Avoid races with device replace and make sure our bbio has devices
+ * associated to its stripes that don't go away while we are discarding.
+ */
+ btrfs_bio_counter_inc_blocked(root->fs_info);
/* Tell the block device(s) that the sectors can be discarded */
ret = btrfs_map_block(root->fs_info, REQ_DISCARD,
bytenr, &num_bytes, &bbio, 0);
@@ -2074,6 +2079,7 @@
}
btrfs_put_bbio(bbio);
}
+ btrfs_bio_counter_dec(root->fs_info);
if (actual_bytes)
*actual_bytes = discarded_bytes;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3cd5782..6e953de 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2025,9 +2025,16 @@
bio->bi_iter.bi_size = 0;
map_length = length;
+ /*
+ * Avoid races with device replace and make sure our bbio has devices
+ * associated to its stripes that don't go away while we are doing the
+ * read repair operation.
+ */
+ btrfs_bio_counter_inc_blocked(fs_info);
ret = btrfs_map_block(fs_info, WRITE, logical,
&map_length, &bbio, mirror_num);
if (ret) {
+ btrfs_bio_counter_dec(fs_info);
bio_put(bio);
return -EIO;
}
@@ -2037,6 +2044,7 @@
dev = bbio->stripes[mirror_num-1].dev;
btrfs_put_bbio(bbio);
if (!dev || !dev->bdev || !dev->writeable) {
+ btrfs_bio_counter_dec(fs_info);
bio_put(bio);
return -EIO;
}
@@ -2045,6 +2053,7 @@
if (btrfsic_submit_bio_wait(WRITE_SYNC, bio)) {
/* try to remap that extent elsewhere? */
+ btrfs_bio_counter_dec(fs_info);
bio_put(bio);
btrfs_dev_stat_inc_and_print(dev, BTRFS_DEV_STAT_WRITE_ERRS);
return -EIO;
@@ -2054,6 +2063,7 @@
"read error corrected: ino %llu off %llu (dev %s sector %llu)",
btrfs_ino(inode), start,
rcu_str_deref(dev->name), sector);
+ btrfs_bio_counter_dec(fs_info);
bio_put(bio);
return 0;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2704995..8b1212e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6979,7 +6979,18 @@
* existing will always be non-NULL, since there must be
* extent causing the -EEXIST.
*/
- if (start >= extent_map_end(existing) ||
+ if (existing->start == em->start &&
+ extent_map_end(existing) == extent_map_end(em) &&
+ em->block_start == existing->block_start) {
+ /*
+ * these two extents are the same, it happens
+ * with inlines especially
+ */
+ free_extent_map(em);
+ em = existing;
+ err = 0;
+
+ } else if (start >= extent_map_end(existing) ||
start <= existing->start) {
/*
* The existing extent map is the one nearest to
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 5591704..e96634a 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -718,12 +718,13 @@
return count;
}
-void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr,
+int btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr,
const u64 range_start, const u64 range_len)
{
struct btrfs_root *root;
struct list_head splice;
int done;
+ int total_done = 0;
INIT_LIST_HEAD(&splice);
@@ -742,6 +743,7 @@
done = btrfs_wait_ordered_extents(root, nr,
range_start, range_len);
btrfs_put_fs_root(root);
+ total_done += done;
spin_lock(&fs_info->ordered_root_lock);
if (nr != -1) {
@@ -752,6 +754,8 @@
list_splice_tail(&splice, &fs_info->ordered_roots);
spin_unlock(&fs_info->ordered_root_lock);
mutex_unlock(&fs_info->ordered_operations_mutex);
+
+ return total_done;
}
/*
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 2049c9b..4515077 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -199,7 +199,7 @@
u32 *sum, int len);
int btrfs_wait_ordered_extents(struct btrfs_root *root, int nr,
const u64 range_start, const u64 range_len);
-void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr,
+int btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, int nr,
const u64 range_start, const u64 range_len);
void btrfs_get_logged_extents(struct inode *inode,
struct list_head *logged_list,
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 298631ea..8428db7 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -761,12 +761,14 @@
do {
enqueued = 0;
+ mutex_lock(&fs_devices->device_list_mutex);
list_for_each_entry(device, &fs_devices->devices, dev_list) {
if (atomic_read(&device->reada_in_flight) <
MAX_IN_FLIGHT)
enqueued += reada_start_machine_dev(fs_info,
device);
}
+ mutex_unlock(&fs_devices->device_list_mutex);
total += enqueued;
} while (enqueued && total < 10000);
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 46d847f..70427ef 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3582,6 +3582,46 @@
*/
scrub_pause_on(fs_info);
ret = btrfs_inc_block_group_ro(root, cache);
+ if (!ret && is_dev_replace) {
+ /*
+ * If we are doing a device replace wait for any tasks
+ * that started dellaloc right before we set the block
+ * group to RO mode, as they might have just allocated
+ * an extent from it or decided they could do a nocow
+ * write. And if any such tasks did that, wait for their
+ * ordered extents to complete and then commit the
+ * current transaction, so that we can later see the new
+ * extent items in the extent tree - the ordered extents
+ * create delayed data references (for cow writes) when
+ * they complete, which will be run and insert the
+ * corresponding extent items into the extent tree when
+ * we commit the transaction they used when running
+ * inode.c:btrfs_finish_ordered_io(). We later use
+ * the commit root of the extent tree to find extents
+ * to copy from the srcdev into the tgtdev, and we don't
+ * want to miss any new extents.
+ */
+ btrfs_wait_block_group_reservations(cache);
+ btrfs_wait_nocow_writers(cache);
+ ret = btrfs_wait_ordered_roots(fs_info, -1,
+ cache->key.objectid,
+ cache->key.offset);
+ if (ret > 0) {
+ struct btrfs_trans_handle *trans;
+
+ trans = btrfs_join_transaction(root);
+ if (IS_ERR(trans))
+ ret = PTR_ERR(trans);
+ else
+ ret = btrfs_commit_transaction(trans,
+ root);
+ if (ret) {
+ scrub_pause_off(fs_info);
+ btrfs_put_block_group(cache);
+ break;
+ }
+ }
+ }
scrub_pause_off(fs_info);
if (ret == 0) {
@@ -3602,9 +3642,11 @@
break;
}
+ btrfs_dev_replace_lock(&fs_info->dev_replace, 1);
dev_replace->cursor_right = found_key.offset + length;
dev_replace->cursor_left = found_key.offset;
dev_replace->item_needs_writeback = 1;
+ btrfs_dev_replace_unlock(&fs_info->dev_replace, 1);
ret = scrub_chunk(sctx, scrub_dev, chunk_offset, length,
found_key.offset, cache, is_dev_replace);
@@ -3640,6 +3682,11 @@
scrub_pause_off(fs_info);
+ btrfs_dev_replace_lock(&fs_info->dev_replace, 1);
+ dev_replace->cursor_left = dev_replace->cursor_right;
+ dev_replace->item_needs_writeback = 1;
+ btrfs_dev_replace_unlock(&fs_info->dev_replace, 1);
+
if (ro_set)
btrfs_dec_block_group_ro(root, cache);
@@ -3677,9 +3724,6 @@
ret = -ENOMEM;
break;
}
-
- dev_replace->cursor_left = dev_replace->cursor_right;
- dev_replace->item_needs_writeback = 1;
skip:
key.offset = found_key.offset + length;
btrfs_release_path(path);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index bdc6256..da9e003 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2761,6 +2761,7 @@
u64 dev_extent_len = 0;
u64 chunk_objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
int i, ret = 0;
+ struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;
/* Just in case */
root = root->fs_info->chunk_root;
@@ -2787,12 +2788,19 @@
check_system_chunk(trans, extent_root, map->type);
unlock_chunks(root->fs_info->chunk_root);
+ /*
+ * Take the device list mutex to prevent races with the final phase of
+ * a device replace operation that replaces the device object associated
+ * with map stripes (dev-replace.c:btrfs_dev_replace_finishing()).
+ */
+ mutex_lock(&fs_devices->device_list_mutex);
for (i = 0; i < map->num_stripes; i++) {
struct btrfs_device *device = map->stripes[i].dev;
ret = btrfs_free_dev_extent(trans, device,
map->stripes[i].physical,
&dev_extent_len);
if (ret) {
+ mutex_unlock(&fs_devices->device_list_mutex);
btrfs_abort_transaction(trans, root, ret);
goto out;
}
@@ -2811,11 +2819,14 @@
if (map->stripes[i].dev) {
ret = btrfs_update_device(trans, map->stripes[i].dev);
if (ret) {
+ mutex_unlock(&fs_devices->device_list_mutex);
btrfs_abort_transaction(trans, root, ret);
goto out;
}
}
}
+ mutex_unlock(&fs_devices->device_list_mutex);
+
ret = btrfs_free_chunk(trans, root, chunk_objectid, chunk_offset);
if (ret) {
btrfs_abort_transaction(trans, root, ret);
@@ -5762,20 +5773,17 @@
}
}
if (found) {
- if (physical_of_found + map->stripe_len <=
- dev_replace->cursor_left) {
- struct btrfs_bio_stripe *tgtdev_stripe =
- bbio->stripes + num_stripes;
+ struct btrfs_bio_stripe *tgtdev_stripe =
+ bbio->stripes + num_stripes;
- tgtdev_stripe->physical = physical_of_found;
- tgtdev_stripe->length =
- bbio->stripes[index_srcdev].length;
- tgtdev_stripe->dev = dev_replace->tgtdev;
- bbio->tgtdev_map[index_srcdev] = num_stripes;
+ tgtdev_stripe->physical = physical_of_found;
+ tgtdev_stripe->length =
+ bbio->stripes[index_srcdev].length;
+ tgtdev_stripe->dev = dev_replace->tgtdev;
+ bbio->tgtdev_map[index_srcdev] = num_stripes;
- tgtdev_indexes++;
- num_stripes++;
- }
+ tgtdev_indexes++;
+ num_stripes++;
}
}
diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c
index 861d611..ce5f345 100644
--- a/fs/cachefiles/interface.c
+++ b/fs/cachefiles/interface.c
@@ -380,7 +380,7 @@
* check if the backing cache is updated to FS-Cache
* - called by FS-Cache when evaluates if need to invalidate the cache
*/
-static bool cachefiles_check_consistency(struct fscache_operation *op)
+static int cachefiles_check_consistency(struct fscache_operation *op)
{
struct cachefiles_object *object;
struct cachefiles_cache *cache;
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index eeb71e5..26a9d10 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -276,8 +276,10 @@
for (i = 0; i < num_pages; i++) {
struct page *page = osd_data->pages[i];
- if (rc < 0 && rc != -ENOENT)
+ if (rc < 0 && rc != -ENOENT) {
+ ceph_fscache_readpage_cancel(inode, page);
goto unlock;
+ }
if (bytes < (int)PAGE_SIZE) {
/* zero (remainder of) page */
int s = bytes < 0 ? 0 : bytes;
@@ -535,8 +537,6 @@
CONGESTION_ON_THRESH(fsc->mount_options->congestion_kb))
set_bdi_congested(&fsc->backing_dev_info, BLK_RW_ASYNC);
- ceph_readpage_to_fscache(inode, page);
-
set_page_writeback(page);
err = ceph_osdc_writepages(osdc, ceph_vino(inode),
&ci->i_layout, snapc,
diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c
index c052b5b..238c55b 100644
--- a/fs/ceph/cache.c
+++ b/fs/ceph/cache.c
@@ -25,6 +25,7 @@
#include "cache.h"
struct ceph_aux_inode {
+ u64 version;
struct timespec mtime;
loff_t size;
};
@@ -69,15 +70,8 @@
fsc->fscache = fscache_acquire_cookie(ceph_cache_netfs.primary_index,
&ceph_fscache_fsid_object_def,
fsc, true);
-
- if (fsc->fscache == NULL) {
+ if (!fsc->fscache)
pr_err("Unable to resgister fsid: %p fscache cookie", fsc);
- return 0;
- }
-
- fsc->revalidate_wq = alloc_workqueue("ceph-revalidate", 0, 1);
- if (fsc->revalidate_wq == NULL)
- return -ENOMEM;
return 0;
}
@@ -105,6 +99,7 @@
const struct inode* inode = &ci->vfs_inode;
memset(&aux, 0, sizeof(aux));
+ aux.version = ci->i_version;
aux.mtime = inode->i_mtime;
aux.size = i_size_read(inode);
@@ -131,6 +126,7 @@
return FSCACHE_CHECKAUX_OBSOLETE;
memset(&aux, 0, sizeof(aux));
+ aux.version = ci->i_version;
aux.mtime = inode->i_mtime;
aux.size = i_size_read(inode);
@@ -181,32 +177,26 @@
.now_uncached = ceph_fscache_inode_now_uncached,
};
-void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
- struct ceph_inode_info* ci)
+void ceph_fscache_register_inode_cookie(struct inode *inode)
{
- struct inode* inode = &ci->vfs_inode;
+ struct ceph_inode_info *ci = ceph_inode(inode);
+ struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
/* No caching for filesystem */
if (fsc->fscache == NULL)
return;
/* Only cache for regular files that are read only */
- if ((ci->vfs_inode.i_mode & S_IFREG) == 0)
+ if (!S_ISREG(inode->i_mode))
return;
- /* Avoid multiple racing open requests */
- inode_lock(inode);
-
- if (ci->fscache)
- goto done;
-
- ci->fscache = fscache_acquire_cookie(fsc->fscache,
- &ceph_fscache_inode_object_def,
- ci, true);
- fscache_check_consistency(ci->fscache);
-done:
+ inode_lock_nested(inode, I_MUTEX_CHILD);
+ if (!ci->fscache) {
+ ci->fscache = fscache_acquire_cookie(fsc->fscache,
+ &ceph_fscache_inode_object_def,
+ ci, false);
+ }
inode_unlock(inode);
-
}
void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci)
@@ -222,6 +212,34 @@
fscache_relinquish_cookie(cookie, 0);
}
+static bool ceph_fscache_can_enable(void *data)
+{
+ struct inode *inode = data;
+ return !inode_is_open_for_write(inode);
+}
+
+void ceph_fscache_file_set_cookie(struct inode *inode, struct file *filp)
+{
+ struct ceph_inode_info *ci = ceph_inode(inode);
+
+ if (!fscache_cookie_valid(ci->fscache))
+ return;
+
+ if (inode_is_open_for_write(inode)) {
+ dout("fscache_file_set_cookie %p %p disabling cache\n",
+ inode, filp);
+ fscache_disable_cookie(ci->fscache, false);
+ fscache_uncache_all_inode_pages(ci->fscache, inode);
+ } else {
+ fscache_enable_cookie(ci->fscache, ceph_fscache_can_enable,
+ inode);
+ if (fscache_cookie_enabled(ci->fscache)) {
+ dout("fscache_file_set_cookie %p %p enabing cache\n",
+ inode, filp);
+ }
+ }
+}
+
static void ceph_vfs_readpage_complete(struct page *page, void *data, int error)
{
if (!error)
@@ -238,8 +256,7 @@
static inline bool cache_valid(struct ceph_inode_info *ci)
{
- return ((ceph_caps_issued(ci) & CEPH_CAP_FILE_CACHE) &&
- (ci->i_fscache_gen == ci->i_rdcache_gen));
+ return ci->i_fscache_gen == ci->i_rdcache_gen;
}
@@ -332,69 +349,27 @@
void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc)
{
- if (fsc->revalidate_wq)
- destroy_workqueue(fsc->revalidate_wq);
-
fscache_relinquish_cookie(fsc->fscache, 0);
fsc->fscache = NULL;
}
-static void ceph_revalidate_work(struct work_struct *work)
+/*
+ * caller should hold CEPH_CAP_FILE_{RD,CACHE}
+ */
+void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci)
{
- int issued;
- u32 orig_gen;
- struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
- i_revalidate_work);
- struct inode *inode = &ci->vfs_inode;
-
- spin_lock(&ci->i_ceph_lock);
- issued = __ceph_caps_issued(ci, NULL);
- orig_gen = ci->i_rdcache_gen;
- spin_unlock(&ci->i_ceph_lock);
-
- if (!(issued & CEPH_CAP_FILE_CACHE)) {
- dout("revalidate_work lost cache before validation %p\n",
- inode);
- goto out;
- }
-
- if (!fscache_check_consistency(ci->fscache))
- fscache_invalidate(ci->fscache);
-
- spin_lock(&ci->i_ceph_lock);
- /* Update the new valid generation (backwards sanity check too) */
- if (orig_gen > ci->i_fscache_gen) {
- ci->i_fscache_gen = orig_gen;
- }
- spin_unlock(&ci->i_ceph_lock);
-
-out:
- iput(&ci->vfs_inode);
-}
-
-void ceph_queue_revalidate(struct inode *inode)
-{
- struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb);
- struct ceph_inode_info *ci = ceph_inode(inode);
-
- if (fsc->revalidate_wq == NULL || ci->fscache == NULL)
+ if (cache_valid(ci))
return;
- ihold(inode);
-
- if (queue_work(ceph_sb_to_client(inode->i_sb)->revalidate_wq,
- &ci->i_revalidate_work)) {
- dout("ceph_queue_revalidate %p\n", inode);
- } else {
- dout("ceph_queue_revalidate %p failed\n)", inode);
- iput(inode);
+ /* resue i_truncate_mutex. There should be no pending
+ * truncate while the caller holds CEPH_CAP_FILE_RD */
+ mutex_lock(&ci->i_truncate_mutex);
+ if (!cache_valid(ci)) {
+ if (fscache_check_consistency(ci->fscache))
+ fscache_invalidate(ci->fscache);
+ spin_lock(&ci->i_ceph_lock);
+ ci->i_fscache_gen = ci->i_rdcache_gen;
+ spin_unlock(&ci->i_ceph_lock);
}
-}
-
-void ceph_fscache_inode_init(struct ceph_inode_info *ci)
-{
- ci->fscache = NULL;
- /* The first load is verifed cookie open time */
- ci->i_fscache_gen = 1;
- INIT_WORK(&ci->i_revalidate_work, ceph_revalidate_work);
+ mutex_unlock(&ci->i_truncate_mutex);
}
diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h
index 5ac591b..7e72c75 100644
--- a/fs/ceph/cache.h
+++ b/fs/ceph/cache.h
@@ -34,10 +34,10 @@
int ceph_fscache_register_fs(struct ceph_fs_client* fsc);
void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc);
-void ceph_fscache_inode_init(struct ceph_inode_info *ci);
-void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
- struct ceph_inode_info* ci);
+void ceph_fscache_register_inode_cookie(struct inode *inode);
void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci);
+void ceph_fscache_file_set_cookie(struct inode *inode, struct file *filp);
+void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci);
int ceph_readpage_from_fscache(struct inode *inode, struct page *page);
int ceph_readpages_from_fscache(struct inode *inode,
@@ -46,12 +46,11 @@
unsigned *nr_pages);
void ceph_readpage_to_fscache(struct inode *inode, struct page *page);
void ceph_invalidate_fscache_page(struct inode* inode, struct page *page);
-void ceph_queue_revalidate(struct inode *inode);
-static inline void ceph_fscache_update_objectsize(struct inode *inode)
+static inline void ceph_fscache_inode_init(struct ceph_inode_info *ci)
{
- struct ceph_inode_info *ci = ceph_inode(inode);
- fscache_attr_changed(ci->fscache);
+ ci->fscache = NULL;
+ ci->i_fscache_gen = 0;
}
static inline void ceph_fscache_invalidate(struct inode *inode)
@@ -88,6 +87,11 @@
return fscache_readpages_cancel(ci->fscache, pages);
}
+static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci)
+{
+ ci->i_fscache_gen = ci->i_rdcache_gen - 1;
+}
+
#else
static inline int ceph_fscache_register(void)
@@ -112,8 +116,20 @@
{
}
-static inline void ceph_fscache_register_inode_cookie(struct ceph_fs_client* parent_fsc,
- struct ceph_inode_info* ci)
+static inline void ceph_fscache_register_inode_cookie(struct inode *inode)
+{
+}
+
+static inline void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci)
+{
+}
+
+static inline void ceph_fscache_file_set_cookie(struct inode *inode,
+ struct file *filp)
+{
+}
+
+static inline void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci)
{
}
@@ -141,10 +157,6 @@
{
}
-static inline void ceph_fscache_update_objectsize(struct inode *inode)
-{
-}
-
static inline void ceph_fscache_invalidate(struct inode *inode)
{
}
@@ -154,10 +166,6 @@
{
}
-static inline void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci)
-{
-}
-
static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
{
return 1;
@@ -173,7 +181,7 @@
{
}
-static inline void ceph_queue_revalidate(struct inode *inode)
+static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci)
{
}
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index c17b5d7..6f60d0a 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2393,6 +2393,9 @@
snap_rwsem_locked = true;
}
*got = need | (have & want);
+ if ((need & CEPH_CAP_FILE_RD) &&
+ !(*got & CEPH_CAP_FILE_CACHE))
+ ceph_disable_fscache_readpage(ci);
__take_cap_refs(ci, *got, true);
ret = 1;
}
@@ -2554,6 +2557,9 @@
break;
}
+ if ((_got & CEPH_CAP_FILE_RD) && (_got & CEPH_CAP_FILE_CACHE))
+ ceph_fscache_revalidate_cookie(ci);
+
*got = _got;
return 0;
}
@@ -2795,7 +2801,6 @@
bool writeback = false;
bool queue_trunc = false;
bool queue_invalidate = false;
- bool queue_revalidate = false;
bool deleted_inode = false;
bool fill_inline = false;
@@ -2837,8 +2842,6 @@
ci->i_rdcache_revoking = ci->i_rdcache_gen;
}
}
-
- ceph_fscache_invalidate(inode);
}
/* side effects now are allowed */
@@ -2880,11 +2883,6 @@
}
}
- /* Do we need to revalidate our fscache cookie. Don't bother on the
- * first cache cap as we already validate at cookie creation time. */
- if ((issued & CEPH_CAP_FILE_CACHE) && ci->i_rdcache_gen > 1)
- queue_revalidate = true;
-
if (newcaps & CEPH_CAP_ANY_RD) {
/* ctime/mtime/atime? */
ceph_decode_timespec(&mtime, &grant->mtime);
@@ -2993,11 +2991,8 @@
if (fill_inline)
ceph_fill_inline_data(inode, NULL, inline_data, inline_len);
- if (queue_trunc) {
+ if (queue_trunc)
ceph_queue_vmtruncate(inode);
- ceph_queue_revalidate(inode);
- } else if (queue_revalidate)
- ceph_queue_revalidate(inode);
if (writeback)
/*
@@ -3199,10 +3194,8 @@
truncate_seq, truncate_size, size);
spin_unlock(&ci->i_ceph_lock);
- if (queue_trunc) {
+ if (queue_trunc)
ceph_queue_vmtruncate(inode);
- ceph_fscache_invalidate(inode);
- }
}
/*
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index a888df6..ce2f579 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -137,23 +137,11 @@
{
struct ceph_file_info *cf;
int ret = 0;
- struct ceph_inode_info *ci = ceph_inode(inode);
- struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb);
- struct ceph_mds_client *mdsc = fsc->mdsc;
switch (inode->i_mode & S_IFMT) {
case S_IFREG:
- /* First file open request creates the cookie, we want to keep
- * this cookie around for the filetime of the inode as not to
- * have to worry about fscache register / revoke / operation
- * races.
- *
- * Also, if we know the operation is going to invalidate data
- * (non readonly) just nuke the cache right away.
- */
- ceph_fscache_register_inode_cookie(mdsc->fsc, ci);
- if ((fmode & CEPH_FILE_MODE_WR))
- ceph_fscache_invalidate(inode);
+ ceph_fscache_register_inode_cookie(inode);
+ ceph_fscache_file_set_cookie(inode, file);
case S_IFDIR:
dout("init_file %p %p 0%o (regular)\n", inode, file,
inode->i_mode);
@@ -1349,7 +1337,7 @@
}
retry_snap:
- if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL)) {
+ if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL)) {
err = -ENOSPC;
goto out;
}
@@ -1407,7 +1395,6 @@
iov_iter_advance(from, written);
ceph_put_snap_context(snapc);
} else {
- loff_t old_size = i_size_read(inode);
/*
* No need to acquire the i_truncate_mutex. Because
* the MDS revokes Fwb caps before sending truncate
@@ -1418,8 +1405,6 @@
written = generic_perform_write(file, from, pos);
if (likely(written >= 0))
iocb->ki_pos = pos + written;
- if (i_size_read(inode) > old_size)
- ceph_fscache_update_objectsize(inode);
inode_unlock(inode);
}
@@ -1440,7 +1425,7 @@
ceph_put_cap_refs(ci, got);
if (written >= 0) {
- if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_NEARFULL))
+ if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_NEARFULL))
iocb->ki_flags |= IOCB_DSYNC;
written = generic_write_sync(iocb, written);
@@ -1672,8 +1657,8 @@
goto unlock;
}
- if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) &&
- !(mode & FALLOC_FL_PUNCH_HOLE)) {
+ if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) &&
+ !(mode & FALLOC_FL_PUNCH_HOLE)) {
ret = -ENOSPC;
goto unlock;
}
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 0130a85..0168b49 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -103,7 +103,6 @@
#ifdef CONFIG_CEPH_FSCACHE
struct fscache_cookie *fscache;
- struct workqueue_struct *revalidate_wq;
#endif
};
@@ -360,8 +359,7 @@
#ifdef CONFIG_CEPH_FSCACHE
struct fscache_cookie *fscache;
- u32 i_fscache_gen; /* sequence, for delayed fscache validate */
- struct work_struct i_revalidate_work;
+ u32 i_fscache_gen;
#endif
struct inode vfs_inode; /* at end */
};
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 0b2954d..37c134a 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -95,8 +95,6 @@
static DEFINE_MUTEX(allocated_ptys_lock);
-static struct vfsmount *devpts_mnt;
-
struct pts_mount_opts {
int setuid;
int setgid;
@@ -104,7 +102,7 @@
kgid_t gid;
umode_t mode;
umode_t ptmxmode;
- int newinstance;
+ int reserve;
int max;
};
@@ -117,11 +115,9 @@
{Opt_uid, "uid=%u"},
{Opt_gid, "gid=%u"},
{Opt_mode, "mode=%o"},
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
{Opt_ptmxmode, "ptmxmode=%o"},
{Opt_newinstance, "newinstance"},
{Opt_max, "max=%d"},
-#endif
{Opt_err, NULL}
};
@@ -137,15 +133,48 @@
return sb->s_fs_info;
}
-static inline struct super_block *pts_sb_from_inode(struct inode *inode)
+struct pts_fs_info *devpts_acquire(struct file *filp)
{
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
- if (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC)
- return inode->i_sb;
-#endif
- if (!devpts_mnt)
- return NULL;
- return devpts_mnt->mnt_sb;
+ struct pts_fs_info *result;
+ struct path path;
+ struct super_block *sb;
+ int err;
+
+ path = filp->f_path;
+ path_get(&path);
+
+ /* Has the devpts filesystem already been found? */
+ sb = path.mnt->mnt_sb;
+ if (sb->s_magic != DEVPTS_SUPER_MAGIC) {
+ /* Is a devpts filesystem at "pts" in the same directory? */
+ err = path_pts(&path);
+ if (err) {
+ result = ERR_PTR(err);
+ goto out;
+ }
+
+ /* Is the path the root of a devpts filesystem? */
+ result = ERR_PTR(-ENODEV);
+ sb = path.mnt->mnt_sb;
+ if ((sb->s_magic != DEVPTS_SUPER_MAGIC) ||
+ (path.mnt->mnt_root != sb->s_root))
+ goto out;
+ }
+
+ /*
+ * pty code needs to hold extra references in case of last /dev/tty close
+ */
+ atomic_inc(&sb->s_active);
+ result = DEVPTS_SB(sb);
+
+out:
+ path_put(&path);
+ return result;
+}
+
+void devpts_release(struct pts_fs_info *fsi)
+{
+ deactivate_super(fsi->sb);
}
#define PARSE_MOUNT 0
@@ -154,9 +183,7 @@
/*
* parse_mount_options():
* Set @opts to mount options specified in @data. If an option is not
- * specified in @data, set it to its default value. The exception is
- * 'newinstance' option which can only be set/cleared on a mount (i.e.
- * cannot be changed during remount).
+ * specified in @data, set it to its default value.
*
* Note: @data may be NULL (in which case all options are set to default).
*/
@@ -174,9 +201,12 @@
opts->ptmxmode = DEVPTS_DEFAULT_PTMX_MODE;
opts->max = NR_UNIX98_PTY_MAX;
- /* newinstance makes sense only on initial mount */
+ /* Only allow instances mounted from the initial mount
+ * namespace to tap the reserve pool of ptys.
+ */
if (op == PARSE_MOUNT)
- opts->newinstance = 0;
+ opts->reserve =
+ (current->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns);
while ((p = strsep(&data, ",")) != NULL) {
substring_t args[MAX_OPT_ARGS];
@@ -211,16 +241,12 @@
return -EINVAL;
opts->mode = option & S_IALLUGO;
break;
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
case Opt_ptmxmode:
if (match_octal(&args[0], &option))
return -EINVAL;
opts->ptmxmode = option & S_IALLUGO;
break;
case Opt_newinstance:
- /* newinstance makes sense only on initial mount */
- if (op == PARSE_MOUNT)
- opts->newinstance = 1;
break;
case Opt_max:
if (match_int(&args[0], &option) ||
@@ -228,7 +254,6 @@
return -EINVAL;
opts->max = option;
break;
-#endif
default:
pr_err("called with bogus options\n");
return -EINVAL;
@@ -238,7 +263,6 @@
return 0;
}
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
static int mknod_ptmx(struct super_block *sb)
{
int mode;
@@ -305,12 +329,6 @@
inode->i_mode = S_IFCHR|fsi->mount_opts.ptmxmode;
}
}
-#else
-static inline void update_ptmx_mode(struct pts_fs_info *fsi)
-{
- return;
-}
-#endif
static int devpts_remount(struct super_block *sb, int *flags, char *data)
{
@@ -344,11 +362,9 @@
seq_printf(seq, ",gid=%u",
from_kgid_munged(&init_user_ns, opts->gid));
seq_printf(seq, ",mode=%03o", opts->mode);
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
seq_printf(seq, ",ptmxmode=%03o", opts->ptmxmode);
if (opts->max < NR_UNIX98_PTY_MAX)
seq_printf(seq, ",max=%d", opts->max);
-#endif
return 0;
}
@@ -410,40 +426,11 @@
return -ENOMEM;
}
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
-static int compare_init_pts_sb(struct super_block *s, void *p)
-{
- if (devpts_mnt)
- return devpts_mnt->mnt_sb == s;
- return 0;
-}
-
/*
* devpts_mount()
*
- * If the '-o newinstance' mount option was specified, mount a new
- * (private) instance of devpts. PTYs created in this instance are
- * independent of the PTYs in other devpts instances.
- *
- * If the '-o newinstance' option was not specified, mount/remount the
- * initial kernel mount of devpts. This type of mount gives the
- * legacy, single-instance semantics.
- *
- * The 'newinstance' option is needed to support multiple namespace
- * semantics in devpts while preserving backward compatibility of the
- * current 'single-namespace' semantics. i.e all mounts of devpts
- * without the 'newinstance' mount option should bind to the initial
- * kernel mount, like mount_single().
- *
- * Mounts with 'newinstance' option create a new, private namespace.
- *
- * NOTE:
- *
- * For single-mount semantics, devpts cannot use mount_single(),
- * because mount_single()/sget() find and use the super-block from
- * the most recent mount of devpts. But that recent mount may be a
- * 'newinstance' mount and mount_single() would pick the newinstance
- * super-block instead of the initial super-block.
+ * Mount a new (private) instance of devpts. PTYs created in this
+ * instance are independent of the PTYs in other devpts instances.
*/
static struct dentry *devpts_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
@@ -456,18 +443,7 @@
if (error)
return ERR_PTR(error);
- /* Require newinstance for all user namespace mounts to ensure
- * the mount options are not changed.
- */
- if ((current_user_ns() != &init_user_ns) && !opts.newinstance)
- return ERR_PTR(-EINVAL);
-
- if (opts.newinstance)
- s = sget(fs_type, NULL, set_anon_super, flags, NULL);
- else
- s = sget(fs_type, compare_init_pts_sb, set_anon_super, flags,
- NULL);
-
+ s = sget(fs_type, NULL, set_anon_super, flags, NULL);
if (IS_ERR(s))
return ERR_CAST(s);
@@ -491,18 +467,6 @@
return ERR_PTR(error);
}
-#else
-/*
- * This supports only the legacy single-instance semantics (no
- * multiple-instance semantics)
- */
-static struct dentry *devpts_mount(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data)
-{
- return mount_single(fs_type, flags, data, devpts_fill_super);
-}
-#endif
-
static void devpts_kill_sb(struct super_block *sb)
{
struct pts_fs_info *fsi = DEVPTS_SB(sb);
@@ -516,9 +480,7 @@
.name = "devpts",
.mount = devpts_mount,
.kill_sb = devpts_kill_sb,
-#ifdef CONFIG_DEVPTS_MULTIPLE_INSTANCES
.fs_flags = FS_USERNS_MOUNT | FS_USERNS_DEV_MOUNT,
-#endif
};
/*
@@ -531,16 +493,13 @@
int index;
int ida_ret;
- if (!fsi)
- return -ENODEV;
-
retry:
if (!ida_pre_get(&fsi->allocated_ptys, GFP_KERNEL))
return -ENOMEM;
mutex_lock(&allocated_ptys_lock);
- if (pty_count >= pty_limit -
- (fsi->mount_opts.newinstance ? pty_reserve : 0)) {
+ if (pty_count >= (pty_limit -
+ (fsi->mount_opts.reserve ? 0 : pty_reserve))) {
mutex_unlock(&allocated_ptys_lock);
return -ENOSPC;
}
@@ -571,30 +530,6 @@
mutex_unlock(&allocated_ptys_lock);
}
-/*
- * pty code needs to hold extra references in case of last /dev/tty close
- */
-struct pts_fs_info *devpts_get_ref(struct inode *ptmx_inode, struct file *file)
-{
- struct super_block *sb;
- struct pts_fs_info *fsi;
-
- sb = pts_sb_from_inode(ptmx_inode);
- if (!sb)
- return NULL;
- fsi = DEVPTS_SB(sb);
- if (!fsi)
- return NULL;
-
- atomic_inc(&sb->s_active);
- return fsi;
-}
-
-void devpts_put_ref(struct pts_fs_info *fsi)
-{
- deactivate_super(fsi->sb);
-}
-
/**
* devpts_pty_new -- create a new inode in /dev/pts/
* @ptmx_inode: inode of the master
@@ -607,16 +542,12 @@
struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv)
{
struct dentry *dentry;
- struct super_block *sb;
+ struct super_block *sb = fsi->sb;
struct inode *inode;
struct dentry *root;
struct pts_mount_opts *opts;
char s[12];
- if (!fsi)
- return ERR_PTR(-ENODEV);
-
- sb = fsi->sb;
root = sb->s_root;
opts = &fsi->mount_opts;
@@ -676,20 +607,8 @@
static int __init init_devpts_fs(void)
{
int err = register_filesystem(&devpts_fs_type);
- struct ctl_table_header *table;
-
if (!err) {
- struct vfsmount *mnt;
-
- table = register_sysctl_table(pty_root_table);
- mnt = kern_mount(&devpts_fs_type);
- if (IS_ERR(mnt)) {
- err = PTR_ERR(mnt);
- unregister_filesystem(&devpts_fs_type);
- unregister_sysctl_table(table);
- } else {
- devpts_mnt = mnt;
- }
+ register_sysctl_table(pty_root_table);
}
return err;
}
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 3078b67..c8c4f79 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -887,6 +887,8 @@
put_page(results[i]);
}
+ wake_up_bit(&cookie->flags, 0);
+
_leave("");
}
diff --git a/fs/namei.c b/fs/namei.c
index 4c4f95a..6a82fb7 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1416,21 +1416,28 @@
}
}
+static int path_parent_directory(struct path *path)
+{
+ struct dentry *old = path->dentry;
+ /* rare case of legitimate dget_parent()... */
+ path->dentry = dget_parent(path->dentry);
+ dput(old);
+ if (unlikely(!path_connected(path)))
+ return -ENOENT;
+ return 0;
+}
+
static int follow_dotdot(struct nameidata *nd)
{
while(1) {
- struct dentry *old = nd->path.dentry;
-
if (nd->path.dentry == nd->root.dentry &&
nd->path.mnt == nd->root.mnt) {
break;
}
if (nd->path.dentry != nd->path.mnt->mnt_root) {
- /* rare case of legitimate dget_parent()... */
- nd->path.dentry = dget_parent(nd->path.dentry);
- dput(old);
- if (unlikely(!path_connected(&nd->path)))
- return -ENOENT;
+ int ret = path_parent_directory(&nd->path);
+ if (ret)
+ return ret;
break;
}
if (!follow_up(&nd->path))
@@ -2514,6 +2521,34 @@
}
EXPORT_SYMBOL(lookup_one_len_unlocked);
+#ifdef CONFIG_UNIX98_PTYS
+int path_pts(struct path *path)
+{
+ /* Find something mounted on "pts" in the same directory as
+ * the input path.
+ */
+ struct dentry *child, *parent;
+ struct qstr this;
+ int ret;
+
+ ret = path_parent_directory(path);
+ if (ret)
+ return ret;
+
+ parent = path->dentry;
+ this.name = "pts";
+ this.len = 3;
+ child = d_hash_and_lookup(parent, &this);
+ if (!child)
+ return -ENOENT;
+
+ path->dentry = child;
+ dput(parent);
+ follow_mount(path);
+ return 0;
+}
+#endif
+
int user_path_at_empty(int dfd, const char __user *name, unsigned flags,
struct path *path, int *empty)
{
diff --git a/include/acpi/video.h b/include/acpi/video.h
index 70a41f7..5731ccb 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -51,7 +51,8 @@
*/
extern bool acpi_video_handles_brightness_key_presses(void);
extern int acpi_video_get_levels(struct acpi_device *device,
- struct acpi_video_device_brightness **dev_br);
+ struct acpi_video_device_brightness **dev_br,
+ int *pmax_level);
#else
static inline int acpi_video_register(void) { return 0; }
static inline void acpi_video_unregister(void) { return; }
@@ -72,7 +73,8 @@
return false;
}
static inline int acpi_video_get_levels(struct acpi_device *device,
- struct acpi_video_device_brightness **dev_br)
+ struct acpi_video_device_brightness **dev_br,
+ int *pmax_level)
{
return -ENODEV;
}
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 84f1a8e..c5d2950 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -52,6 +52,7 @@
#include <linux/poll.h>
#include <linux/ratelimit.h>
#include <linux/sched.h>
+#include <linux/seqlock.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/vmalloc.h>
@@ -392,11 +393,6 @@
void *driver_priv;
};
-/* Size of ringbuffer for vblank timestamps. Just double-buffer
- * in initial implementation.
- */
-#define DRM_VBLANKTIME_RBSIZE 2
-
/* Flags and return codes for get_vblank_timestamp() driver function. */
#define DRM_CALLED_FROM_VBLIRQ 1
#define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
@@ -725,10 +721,10 @@
wait_queue_head_t queue; /**< VBLANK wait queue */
struct timer_list disable_timer; /* delayed disable timer */
- /* vblank counter, protected by dev->vblank_time_lock for writes */
- u32 count;
- /* vblank timestamps, protected by dev->vblank_time_lock for writes */
- struct timeval time[DRM_VBLANKTIME_RBSIZE];
+ seqlock_t seqlock; /* protects vblank count and time */
+
+ u32 count; /* vblank counter */
+ struct timeval time; /* vblank timestamp */
atomic_t refcount; /* number of users of vblank interruptsper crtc */
u32 last; /* protected by dev->vbl_lock, used */
@@ -994,6 +990,7 @@
extern void drm_crtc_vblank_reset(struct drm_crtc *crtc);
extern void drm_crtc_vblank_on(struct drm_crtc *crtc);
extern void drm_vblank_cleanup(struct drm_device *dev);
+extern u32 drm_accurate_vblank_count(struct drm_crtc *crtc);
extern u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe);
extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 9d03f16..5a848e7 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -622,6 +622,7 @@
#define DP_BRANCH_OUI_HEADER_SIZE 0xc
#define DP_RECEIVER_CAP_SIZE 0xf
#define EDP_PSR_RECEIVER_CAP_SIZE 2
+#define EDP_DISPLAY_CTL_CAP_SIZE 3
void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 595f85c..b1755f8 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -92,4 +92,7 @@
#define I845_TSEG_SIZE_512K (2 << 1)
#define I845_TSEG_SIZE_1M (3 << 1)
+#define INTEL_BSM 0x5c
+#define INTEL_BSM_MASK (0xFFFF << 20)
+
#endif /* _I915_DRM_H_ */
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 19b1486..1b3b6e1 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -279,6 +279,11 @@
struct workqueue_struct *notify_wq;
};
+static inline bool ceph_osdmap_flag(struct ceph_osd_client *osdc, int flag)
+{
+ return osdc->osdmap->flags & flag;
+}
+
extern int ceph_osdc_setup(void);
extern void ceph_osdc_cleanup(void);
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index ddc426b2..9ccf4db 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -189,11 +189,6 @@
return !ceph_osd_is_up(map, osd);
}
-static inline bool ceph_osdmap_flag(struct ceph_osdmap *map, int flag)
-{
- return map && (map->flags & flag);
-}
-
extern char *ceph_osdmap_state_str(char *str, int len, int state);
extern u32 ceph_get_primary_affinity(struct ceph_osdmap *map, int osd);
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index 5871f29..277ab9a 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -15,13 +15,12 @@
#include <linux/errno.h>
-struct pts_fs_info;
-
#ifdef CONFIG_UNIX98_PTYS
-/* Look up a pts fs info and get a ref to it */
-struct pts_fs_info *devpts_get_ref(struct inode *, struct file *);
-void devpts_put_ref(struct pts_fs_info *);
+struct pts_fs_info;
+
+struct pts_fs_info *devpts_acquire(struct file *);
+void devpts_release(struct pts_fs_info *);
int devpts_new_index(struct pts_fs_info *);
void devpts_kill_index(struct pts_fs_info *, int);
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 3fe90d4..4551c6f 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -112,19 +112,24 @@
* @file: file pointer used for sharing buffers across, and for refcounting.
* @attachments: list of dma_buf_attachment that denotes all devices attached.
* @ops: dma_buf_ops associated with this buffer object.
+ * @lock: used internally to serialize list manipulation, attach/detach and vmap/unmap
+ * @vmapping_counter: used internally to refcnt the vmaps
+ * @vmap_ptr: the current vmap ptr if vmapping_counter > 0
* @exp_name: name of the exporter; useful for debugging.
* @owner: pointer to exporter module; used for refcounting when exporter is a
* kernel module.
* @list_node: node for dma_buf accounting and debugging.
* @priv: exporter specific private data for this buffer object.
* @resv: reservation object linked to this dma-buf
+ * @poll: for userspace poll support
+ * @cb_excl: for userspace poll support
+ * @cb_shared: for userspace poll support
*/
struct dma_buf {
size_t size;
struct file *file;
struct list_head attachments;
const struct dma_buf_ops *ops;
- /* mutex to serialize list manipulation, attach/detach and vmap/unmap */
struct mutex lock;
unsigned vmapping_counter;
void *vmap_ptr;
@@ -188,9 +193,11 @@
/**
* helper macro for exporters; zeros and fills in most common values
+ *
+ * @name: export-info name
*/
-#define DEFINE_DMA_BUF_EXPORT_INFO(a) \
- struct dma_buf_export_info a = { .exp_name = KBUILD_MODNAME, \
+#define DEFINE_DMA_BUF_EXPORT_INFO(name) \
+ struct dma_buf_export_info name = { .exp_name = KBUILD_MODNAME, \
.owner = THIS_MODULE }
/**
diff --git a/include/linux/fence.h b/include/linux/fence.h
index 2b17698..2056e9f 100644
--- a/include/linux/fence.h
+++ b/include/linux/fence.h
@@ -49,6 +49,8 @@
* @timestamp: Timestamp when the fence was signaled.
* @status: Optional, only valid if < 0, must be set before calling
* fence_signal, indicates that the fence has completed with an error.
+ * @child_list: list of children fences
+ * @active_list: list of active fences
*
* the flags member must be manipulated and read using the appropriate
* atomic ops (bit_*), so taking the spinlock will not be needed most
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 604e152..13ba552 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -241,7 +241,7 @@
/* check the consistency between the backing cache and the FS-Cache
* cookie */
- bool (*check_consistency)(struct fscache_operation *op);
+ int (*check_consistency)(struct fscache_operation *op);
/* store the updated auxiliary data on an object */
void (*update_object)(struct fscache_object *object);
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index e399029..645ad06 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -100,14 +100,16 @@
}
static inline void __iomem *
-io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
+io_mapping_map_wc(struct io_mapping *mapping,
+ unsigned long offset,
+ unsigned long size)
{
resource_size_t phys_addr;
BUG_ON(offset >= mapping->size);
phys_addr = mapping->base + offset;
- return ioremap_wc(phys_addr, PAGE_SIZE);
+ return ioremap_wc(phys_addr, size);
}
static inline void
@@ -155,7 +157,9 @@
/* Non-atomic map/unmap */
static inline void __iomem *
-io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
+io_mapping_map_wc(struct io_mapping *mapping,
+ unsigned long offset,
+ unsigned long size)
{
return ((char __force __iomem *) mapping) + offset;
}
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index bfbd707..dc493e0 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -305,12 +305,12 @@
#define ICC_SGI1R_AFFINITY_1_SHIFT 16
#define ICC_SGI1R_AFFINITY_1_MASK (0xff << ICC_SGI1R_AFFINITY_1_SHIFT)
#define ICC_SGI1R_SGI_ID_SHIFT 24
-#define ICC_SGI1R_SGI_ID_MASK (0xff << ICC_SGI1R_SGI_ID_SHIFT)
+#define ICC_SGI1R_SGI_ID_MASK (0xfULL << ICC_SGI1R_SGI_ID_SHIFT)
#define ICC_SGI1R_AFFINITY_2_SHIFT 32
-#define ICC_SGI1R_AFFINITY_2_MASK (0xffULL << ICC_SGI1R_AFFINITY_1_SHIFT)
+#define ICC_SGI1R_AFFINITY_2_MASK (0xffULL << ICC_SGI1R_AFFINITY_2_SHIFT)
#define ICC_SGI1R_IRQ_ROUTING_MODE_BIT 40
#define ICC_SGI1R_AFFINITY_3_SHIFT 48
-#define ICC_SGI1R_AFFINITY_3_MASK (0xffULL << ICC_SGI1R_AFFINITY_1_SHIFT)
+#define ICC_SGI1R_AFFINITY_3_MASK (0xffULL << ICC_SGI1R_AFFINITY_3_SHIFT)
#include <asm/arch_gicv3.h>
diff --git a/include/linux/namei.h b/include/linux/namei.h
index ec5ec28..d3d0398 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -45,6 +45,8 @@
#define LOOKUP_ROOT 0x2000
#define LOOKUP_EMPTY 0x4000
+extern int path_pts(struct path *path);
+
extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty);
static inline int user_path_at(int dfd, const char __user *name, unsigned flags,
diff --git a/include/linux/page_idle.h b/include/linux/page_idle.h
index bf268fa..fec4027 100644
--- a/include/linux/page_idle.h
+++ b/include/linux/page_idle.h
@@ -46,33 +46,62 @@
static inline bool page_is_young(struct page *page)
{
- return test_bit(PAGE_EXT_YOUNG, &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return false;
+
+ return test_bit(PAGE_EXT_YOUNG, &page_ext->flags);
}
static inline void set_page_young(struct page *page)
{
- set_bit(PAGE_EXT_YOUNG, &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return;
+
+ set_bit(PAGE_EXT_YOUNG, &page_ext->flags);
}
static inline bool test_and_clear_page_young(struct page *page)
{
- return test_and_clear_bit(PAGE_EXT_YOUNG,
- &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return false;
+
+ return test_and_clear_bit(PAGE_EXT_YOUNG, &page_ext->flags);
}
static inline bool page_is_idle(struct page *page)
{
- return test_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return false;
+
+ return test_bit(PAGE_EXT_IDLE, &page_ext->flags);
}
static inline void set_page_idle(struct page *page)
{
- set_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return;
+
+ set_bit(PAGE_EXT_IDLE, &page_ext->flags);
}
static inline void clear_page_idle(struct page *page)
{
- clear_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+ struct page_ext *page_ext = lookup_page_ext(page);
+
+ if (unlikely(!page_ext))
+ return;
+
+ clear_bit(PAGE_EXT_IDLE, &page_ext->flags);
}
#endif /* CONFIG_64BIT */
diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index 49d0576..b0f305e 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -49,12 +49,27 @@
extern struct lock_class_key reservation_seqcount_class;
extern const char reservation_seqcount_string[];
+/**
+ * struct reservation_object_list - a list of shared fences
+ * @rcu: for internal use
+ * @shared_count: table of shared fences
+ * @shared_max: for growing shared fence table
+ * @shared: shared fence table
+ */
struct reservation_object_list {
struct rcu_head rcu;
u32 shared_count, shared_max;
struct fence __rcu *shared[];
};
+/**
+ * struct reservation_object - a reservation object manages fences for a buffer
+ * @lock: update side lock
+ * @seq: sequence count for managing RCU read-side synchronization
+ * @fence_excl: the exclusive fence, if there is one currently
+ * @fence: list of current shared fences
+ * @staged: staged copy of shared fences for RCU updates
+ */
struct reservation_object {
struct ww_mutex lock;
seqcount_t seq;
@@ -68,6 +83,10 @@
#define reservation_object_assert_held(obj) \
lockdep_assert_held(&(obj)->lock.base)
+/**
+ * reservation_object_init - initialize a reservation object
+ * @obj: the reservation object
+ */
static inline void
reservation_object_init(struct reservation_object *obj)
{
@@ -79,6 +98,10 @@
obj->staged = NULL;
}
+/**
+ * reservation_object_fini - destroys a reservation object
+ * @obj: the reservation object
+ */
static inline void
reservation_object_fini(struct reservation_object *obj)
{
@@ -106,6 +129,14 @@
ww_mutex_destroy(&obj->lock);
}
+/**
+ * reservation_object_get_list - get the reservation object's
+ * shared fence list, with update-side lock held
+ * @obj: the reservation object
+ *
+ * Returns the shared fence list. Does NOT take references to
+ * the fence. The obj->lock must be held.
+ */
static inline struct reservation_object_list *
reservation_object_get_list(struct reservation_object *obj)
{
@@ -113,6 +144,17 @@
reservation_object_held(obj));
}
+/**
+ * reservation_object_get_excl - get the reservation object's
+ * exclusive fence, with update-side lock held
+ * @obj: the reservation object
+ *
+ * Returns the exclusive fence (if any). Does NOT take a
+ * reference. The obj->lock must be held.
+ *
+ * RETURNS
+ * The exclusive fence or NULL
+ */
static inline struct fence *
reservation_object_get_excl(struct reservation_object *obj)
{
@@ -120,6 +162,17 @@
reservation_object_held(obj));
}
+/**
+ * reservation_object_get_excl_rcu - get the reservation object's
+ * exclusive fence, without lock held.
+ * @obj: the reservation object
+ *
+ * If there is an exclusive fence, this atomically increments it's
+ * reference count and returns it.
+ *
+ * RETURNS
+ * The exclusive fence or NULL if none
+ */
static inline struct fence *
reservation_object_get_excl_rcu(struct reservation_object *obj)
{
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index dacb5e7..de1f643 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -765,6 +765,8 @@
__u8 sctpi_s_disable_fragments;
__u8 sctpi_s_v4mapped;
__u8 sctpi_s_frag_interleave;
+ __u32 sctpi_s_type;
+ __u32 __reserved3;
};
struct sctp_infox {
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 37dbacf..816b754 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -21,6 +21,9 @@
struct timespec64 ts64;
if (!tv)
+ return do_sys_settimeofday64(NULL, tz);
+
+ if (!timespec_valid(tv))
return -EINVAL;
ts64 = timespec_to_timespec64(*tv);
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
index b39a5f3..960bedb 100644
--- a/include/linux/vga_switcheroo.h
+++ b/include/linux/vga_switcheroo.h
@@ -165,6 +165,7 @@
int vga_switcheroo_process_delayed_switch(void);
+bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev);
enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev);
void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic);
@@ -188,6 +189,7 @@
static inline int vga_switcheroo_lock_ddc(struct pci_dev *pdev) { return -ENODEV; }
static inline int vga_switcheroo_unlock_ddc(struct pci_dev *pdev) { return -ENODEV; }
static inline int vga_switcheroo_process_delayed_switch(void) { return 0; }
+static inline bool vga_switcheroo_client_probe_defer(struct pci_dev *pdev) { return false; }
static inline enum vga_switcheroo_state vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; }
static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {}
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index d325c81..43a5a0e 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -63,6 +63,8 @@
u8 *protocol, struct flowi6 *fl6);
};
+#ifdef CONFIG_INET
+
extern const struct ip6_tnl_encap_ops __rcu *
ip6tun_encaps[MAX_IPTUN_ENCAP_OPS];
@@ -138,7 +140,6 @@
int ip6_tnl_get_iflink(const struct net_device *dev);
int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu);
-#ifdef CONFIG_INET
static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
struct net_device *dev)
{
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 401038d..fea53f4 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -61,6 +61,7 @@
}
struct qdisc_watchdog {
+ u64 last_expires;
struct hrtimer timer;
struct Qdisc *qdisc;
};
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 9222db8..5f030b4 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1353,6 +1353,15 @@
ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT = 28,
ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT = 29,
ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT = 30,
+ ETHTOOL_LINK_MODE_25000baseCR_Full_BIT = 31,
+ ETHTOOL_LINK_MODE_25000baseKR_Full_BIT = 32,
+ ETHTOOL_LINK_MODE_25000baseSR_Full_BIT = 33,
+ ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT = 34,
+ ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT = 35,
+ ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT = 36,
+ ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT = 37,
+ ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT = 38,
+ ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT = 39,
/* Last allowed bit for __ETHTOOL_LINK_MODE_LEGACY_MASK is bit
* 31. Please do NOT define any SUPPORTED_* or ADVERTISED_*
@@ -1361,7 +1370,7 @@
*/
__ETHTOOL_LINK_MODE_LAST
- = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT,
+ = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};
#define __ETHTOOL_LINK_MODE_LEGACY_MASK(base_name) \
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index eba5914..f4297c8 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -145,6 +145,8 @@
TCA_POLICE_PEAKRATE,
TCA_POLICE_AVRATE,
TCA_POLICE_RESULT,
+ TCA_POLICE_TM,
+ TCA_POLICE_PAD,
__TCA_POLICE_MAX
#define TCA_POLICE_RESULT TCA_POLICE_RESULT
};
@@ -173,7 +175,7 @@
TCA_U32_DIVISOR,
TCA_U32_SEL,
TCA_U32_POLICE,
- TCA_U32_ACT,
+ TCA_U32_ACT,
TCA_U32_INDEV,
TCA_U32_PCNT,
TCA_U32_MARK,
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index 04be702..318858e 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -365,7 +365,6 @@
.name = "bpf",
.mount = bpf_mount,
.kill_sb = kill_litter_super,
- .fs_flags = FS_USERNS_MOUNT,
};
MODULE_ALIAS_FS("bpf");
diff --git a/kernel/irq/ipi.c b/kernel/irq/ipi.c
index c427422..89b49f6 100644
--- a/kernel/irq/ipi.c
+++ b/kernel/irq/ipi.c
@@ -125,7 +125,7 @@
domain = data->domain;
if (WARN_ON(domain == NULL))
- return;
+ return -EINVAL;
if (!irq_domain_is_ipi(domain)) {
pr_warn("Trying to destroy a non IPI domain!\n");
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 8c7392c..e99df0f 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -425,6 +425,7 @@
{
debug_object_free(timer, &hrtimer_debug_descr);
}
+EXPORT_SYMBOL_GPL(destroy_hrtimer_on_stack);
#else
static inline void debug_hrtimer_init(struct hrtimer *timer) { }
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 77d7d03..b9cfdbf 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1841,6 +1841,9 @@
If unsure, say N.
+config TEST_UUID
+ tristate "Test functions located in the uuid module at runtime"
+
config TEST_RHASHTABLE
tristate "Perform selftest on resizable hash table"
default n
diff --git a/lib/Makefile b/lib/Makefile
index 499fb35..ff6a7a6 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -58,6 +58,7 @@
obj-$(CONFIG_TEST_STATIC_KEYS) += test_static_key_base.o
obj-$(CONFIG_TEST_PRINTF) += test_printf.o
obj-$(CONFIG_TEST_BITMAP) += test_bitmap.o
+obj-$(CONFIG_TEST_UUID) += test_uuid.o
ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/test_uuid.c b/lib/test_uuid.c
new file mode 100644
index 0000000..547d312
--- /dev/null
+++ b/lib/test_uuid.c
@@ -0,0 +1,133 @@
+/*
+ * Test cases for lib/uuid.c module.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/uuid.h>
+
+struct test_uuid_data {
+ const char *uuid;
+ uuid_le le;
+ uuid_be be;
+};
+
+static const struct test_uuid_data test_uuid_test_data[] = {
+ {
+ .uuid = "c33f4995-3701-450e-9fbf-206a2e98e576",
+ .le = UUID_LE(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
+ .be = UUID_BE(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
+ },
+ {
+ .uuid = "64b4371c-77c1-48f9-8221-29f054fc023b",
+ .le = UUID_LE(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
+ .be = UUID_BE(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
+ },
+ {
+ .uuid = "0cb4ddff-a545-4401-9d06-688af53e7f84",
+ .le = UUID_LE(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
+ .be = UUID_BE(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
+ },
+};
+
+static const char * const test_uuid_wrong_data[] = {
+ "c33f4995-3701-450e-9fbf206a2e98e576 ", /* no hyphen(s) */
+ "64b4371c-77c1-48f9-8221-29f054XX023b", /* invalid character(s) */
+ "0cb4ddff-a545-4401-9d06-688af53e", /* not enough data */
+};
+
+static unsigned total_tests __initdata;
+static unsigned failed_tests __initdata;
+
+static void __init test_uuid_failed(const char *prefix, bool wrong, bool be,
+ const char *data, const char *actual)
+{
+ pr_err("%s test #%u %s %s data: '%s'\n",
+ prefix,
+ total_tests,
+ wrong ? "passed on wrong" : "failed on",
+ be ? "BE" : "LE",
+ data);
+ if (actual && *actual)
+ pr_err("%s test #%u actual data: '%s'\n",
+ prefix,
+ total_tests,
+ actual);
+ failed_tests++;
+}
+
+static void __init test_uuid_test(const struct test_uuid_data *data)
+{
+ uuid_le le;
+ uuid_be be;
+ char buf[48];
+
+ /* LE */
+ total_tests++;
+ if (uuid_le_to_bin(data->uuid, &le))
+ test_uuid_failed("conversion", false, false, data->uuid, NULL);
+
+ total_tests++;
+ if (uuid_le_cmp(data->le, le)) {
+ sprintf(buf, "%pUl", &le);
+ test_uuid_failed("cmp", false, false, data->uuid, buf);
+ }
+
+ /* BE */
+ total_tests++;
+ if (uuid_be_to_bin(data->uuid, &be))
+ test_uuid_failed("conversion", false, true, data->uuid, NULL);
+
+ total_tests++;
+ if (uuid_be_cmp(data->be, be)) {
+ sprintf(buf, "%pUb", &be);
+ test_uuid_failed("cmp", false, true, data->uuid, buf);
+ }
+}
+
+static void __init test_uuid_wrong(const char *data)
+{
+ uuid_le le;
+ uuid_be be;
+
+ /* LE */
+ total_tests++;
+ if (!uuid_le_to_bin(data, &le))
+ test_uuid_failed("negative", true, false, data, NULL);
+
+ /* BE */
+ total_tests++;
+ if (!uuid_be_to_bin(data, &be))
+ test_uuid_failed("negative", true, true, data, NULL);
+}
+
+static int __init test_uuid_init(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(test_uuid_test_data); i++)
+ test_uuid_test(&test_uuid_test_data[i]);
+
+ for (i = 0; i < ARRAY_SIZE(test_uuid_wrong_data); i++)
+ test_uuid_wrong(test_uuid_wrong_data[i]);
+
+ if (failed_tests == 0)
+ pr_info("all %u tests passed\n", total_tests);
+ else
+ pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
+
+ return failed_tests ? -EINVAL : 0;
+}
+module_init(test_uuid_init);
+
+static void __exit test_uuid_exit(void)
+{
+ /* do nothing */
+}
+module_exit(test_uuid_exit);
+
+MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/lib/uuid.c b/lib/uuid.c
index e116ae5..37687af 100644
--- a/lib/uuid.c
+++ b/lib/uuid.c
@@ -106,8 +106,8 @@
return -EINVAL;
for (i = 0; i < 16; i++) {
- int hi = hex_to_bin(uuid[si[i]] + 0);
- int lo = hex_to_bin(uuid[si[i]] + 1);
+ int hi = hex_to_bin(uuid[si[i] + 0]);
+ int lo = hex_to_bin(uuid[si[i] + 1]);
b[ei[i]] = (hi << 4) | lo;
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 925b431..58c69c9 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2896,6 +2896,7 @@
* ordering is imposed by list_lru_node->lock taken by
* memcg_drain_all_list_lrus().
*/
+ rcu_read_lock(); /* can be called from css_free w/o cgroup_mutex */
css_for_each_descendant_pre(css, &memcg->css) {
child = mem_cgroup_from_css(css);
BUG_ON(child->kmemcg_id != kmemcg_id);
@@ -2903,6 +2904,8 @@
if (!memcg->use_hierarchy)
break;
}
+ rcu_read_unlock();
+
memcg_drain_all_list_lrus(kmemcg_id, parent->kmemcg_id);
memcg_free_cache_id(kmemcg_id);
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index dfb1ab6..acbc432 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -625,8 +625,6 @@
if (atomic_read(&mm->mm_users) > 1) {
rcu_read_lock();
for_each_process(p) {
- bool exiting;
-
if (!process_shares_mm(p, mm))
continue;
if (fatal_signal_pending(p))
@@ -636,10 +634,7 @@
* If the task is exiting make sure the whole thread group
* is exiting and cannot acces mm anymore.
*/
- spin_lock_irq(&p->sighand->siglock);
- exiting = signal_group_exit(p->signal);
- spin_unlock_irq(&p->sighand->siglock);
- if (exiting)
+ if (signal_group_exit(p->signal))
continue;
/* Give up */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f8f3bfc..6903b69 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -656,6 +656,9 @@
return;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
+
__set_bit(PAGE_EXT_DEBUG_GUARD, &page_ext->flags);
INIT_LIST_HEAD(&page->lru);
@@ -673,6 +676,9 @@
return;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
+
__clear_bit(PAGE_EXT_DEBUG_GUARD, &page_ext->flags);
set_page_private(page, 0);
@@ -2609,11 +2615,12 @@
page = list_last_entry(list, struct page, lru);
else
page = list_first_entry(list, struct page, lru);
- } while (page && check_new_pcp(page));
- __dec_zone_state(zone, NR_ALLOC_BATCH);
- list_del(&page->lru);
- pcp->count--;
+ __dec_zone_state(zone, NR_ALLOC_BATCH);
+ list_del(&page->lru);
+ pcp->count--;
+
+ } while (check_new_pcp(page));
} else {
/*
* We most definitely don't want callers attempting to
@@ -3023,6 +3030,7 @@
apply_fair = false;
fair_skipped = false;
reset_alloc_batches(ac->preferred_zoneref->zone);
+ z = ac->preferred_zoneref;
goto zonelist_scan;
}
@@ -3596,6 +3604,17 @@
*/
alloc_flags = gfp_to_alloc_flags(gfp_mask);
+ /*
+ * Reset the zonelist iterators if memory policies can be ignored.
+ * These allocations are high priority and system rather than user
+ * orientated.
+ */
+ if ((alloc_flags & ALLOC_NO_WATERMARKS) || !(alloc_flags & ALLOC_CPUSET)) {
+ ac->zonelist = node_zonelist(numa_node_id(), gfp_mask);
+ ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
+ ac->high_zoneidx, ac->nodemask);
+ }
+
/* This is the last chance, in general, before the goto nopage. */
page = get_page_from_freelist(gfp_mask, order,
alloc_flags & ~ALLOC_NO_WATERMARKS, ac);
@@ -3604,12 +3623,6 @@
/* Allocate without watermarks if the context allows */
if (alloc_flags & ALLOC_NO_WATERMARKS) {
- /*
- * Ignore mempolicies if ALLOC_NO_WATERMARKS on the grounds
- * the allocation is high priority and these type of
- * allocations are system rather than user orientated
- */
- ac->zonelist = node_zonelist(numa_node_id(), gfp_mask);
page = get_page_from_freelist(gfp_mask, order,
ALLOC_NO_WATERMARKS, ac);
if (page)
@@ -3808,7 +3821,11 @@
/* Dirty zone balancing only done in the fast path */
ac.spread_dirty_pages = (gfp_mask & __GFP_WRITE);
- /* The preferred zone is used for statistics later */
+ /*
+ * The preferred zone is used for statistics but crucially it is
+ * also used as the starting point for the zonelist iterator. It
+ * may get reset for allocations that ignore memory policies.
+ */
ac.preferred_zoneref = first_zones_zonelist(ac.zonelist,
ac.high_zoneidx, ac.nodemask);
if (!ac.preferred_zoneref) {
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 792b56d..c6cda3e 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -55,6 +55,8 @@
for (i = 0; i < (1 << order); i++) {
page_ext = lookup_page_ext(page + i);
+ if (unlikely(!page_ext))
+ continue;
__clear_bit(PAGE_EXT_OWNER, &page_ext->flags);
}
}
@@ -62,6 +64,7 @@
void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask)
{
struct page_ext *page_ext = lookup_page_ext(page);
+
struct stack_trace trace = {
.nr_entries = 0,
.max_entries = ARRAY_SIZE(page_ext->trace_entries),
@@ -69,6 +72,9 @@
.skip = 3,
};
+ if (unlikely(!page_ext))
+ return;
+
save_stack_trace(&trace);
page_ext->order = order;
@@ -82,6 +88,8 @@
void __set_page_owner_migrate_reason(struct page *page, int reason)
{
struct page_ext *page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
page_ext->last_migrate_reason = reason;
}
@@ -89,6 +97,12 @@
gfp_t __get_page_owner_gfp(struct page *page)
{
struct page_ext *page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ /*
+ * The caller just returns 0 if no valid gfp
+ * So return 0 here too.
+ */
+ return 0;
return page_ext->gfp_mask;
}
@@ -99,6 +113,9 @@
struct page_ext *new_ext = lookup_page_ext(newpage);
int i;
+ if (unlikely(!old_ext || !new_ext))
+ return;
+
new_ext->order = old_ext->order;
new_ext->gfp_mask = old_ext->gfp_mask;
new_ext->nr_entries = old_ext->nr_entries;
@@ -193,6 +210,11 @@
gfp_t gfp_mask = page_ext->gfp_mask;
int mt = gfpflags_to_migratetype(gfp_mask);
+ if (unlikely(!page_ext)) {
+ pr_alert("There is not page extension available.\n");
+ return;
+ }
+
if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) {
pr_alert("page_owner info is not active (free page?)\n");
return;
@@ -251,6 +273,8 @@
}
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ continue;
/*
* Some pages could be missed by concurrent allocation or free,
@@ -317,6 +341,8 @@
continue;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ continue;
/* Maybe overraping zone */
if (test_bit(PAGE_EXT_OWNER, &page_ext->flags))
diff --git a/mm/page_poison.c b/mm/page_poison.c
index 1eae5fa..2e647c6 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -54,6 +54,9 @@
struct page_ext *page_ext;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
+
__set_bit(PAGE_EXT_DEBUG_POISON, &page_ext->flags);
}
@@ -62,6 +65,9 @@
struct page_ext *page_ext;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ return;
+
__clear_bit(PAGE_EXT_DEBUG_POISON, &page_ext->flags);
}
@@ -70,7 +76,7 @@
struct page_ext *page_ext;
page_ext = lookup_page_ext(page);
- if (!page_ext)
+ if (unlikely(!page_ext))
return false;
return test_bit(PAGE_EXT_DEBUG_POISON, &page_ext->flags);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index cf7ad1a..e11475c 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1105,7 +1105,7 @@
*/
void vm_unmap_ram(const void *mem, unsigned int count)
{
- unsigned long size = count << PAGE_SHIFT;
+ unsigned long size = (unsigned long)count << PAGE_SHIFT;
unsigned long addr = (unsigned long)mem;
BUG_ON(!addr);
@@ -1140,7 +1140,7 @@
*/
void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
{
- unsigned long size = count << PAGE_SHIFT;
+ unsigned long size = (unsigned long)count << PAGE_SHIFT;
unsigned long addr;
void *mem;
@@ -1574,14 +1574,15 @@
unsigned long flags, pgprot_t prot)
{
struct vm_struct *area;
+ unsigned long size; /* In bytes */
might_sleep();
if (count > totalram_pages)
return NULL;
- area = get_vm_area_caller((count << PAGE_SHIFT), flags,
- __builtin_return_address(0));
+ size = (unsigned long)count << PAGE_SHIFT;
+ area = get_vm_area_caller(size, flags, __builtin_return_address(0));
if (!area)
return NULL;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 77e42ef..cb2a67b 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1061,6 +1061,8 @@
continue;
page_ext = lookup_page_ext(page);
+ if (unlikely(!page_ext))
+ continue;
if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags))
continue;
diff --git a/mm/z3fold.c b/mm/z3fold.c
index 34917d5..8f9e89c 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -412,7 +412,7 @@
/* HEADLESS page stored */
bud = HEADLESS;
} else {
- bud = (handle - zhdr->first_num) & BUDDY_MASK;
+ bud = handle_to_buddy(handle);
switch (bud) {
case FIRST:
@@ -572,15 +572,19 @@
pool->pages_nr--;
spin_unlock(&pool->lock);
return 0;
- } else if (zhdr->first_chunks != 0 &&
- zhdr->last_chunks != 0 && zhdr->middle_chunks != 0) {
- /* Full, add to buddied list */
- list_add(&zhdr->buddy, &pool->buddied);
- } else if (!test_bit(PAGE_HEADLESS, &page->private)) {
- z3fold_compact_page(zhdr);
- /* add to unbuddied list */
- freechunks = num_free_chunks(zhdr);
- list_add(&zhdr->buddy, &pool->unbuddied[freechunks]);
+ } else if (!test_bit(PAGE_HEADLESS, &page->private)) {
+ if (zhdr->first_chunks != 0 &&
+ zhdr->last_chunks != 0 &&
+ zhdr->middle_chunks != 0) {
+ /* Full, add to buddied list */
+ list_add(&zhdr->buddy, &pool->buddied);
+ } else {
+ z3fold_compact_page(zhdr);
+ /* add to unbuddied list */
+ freechunks = num_free_chunks(zhdr);
+ list_add(&zhdr->buddy,
+ &pool->unbuddied[freechunks]);
+ }
}
/* add to beginning of LRU */
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index a1e273a..82a116b 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -290,6 +290,10 @@
if (ether_addr_equal(vlan->real_dev_addr, dev->dev_addr))
return;
+ /* vlan continues to inherit address of lower device */
+ if (vlan_dev_inherit_address(vlandev, dev))
+ goto out;
+
/* vlan address was different from the old address and is equal to
* the new address */
if (!ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
@@ -302,6 +306,7 @@
!ether_addr_equal(vlandev->dev_addr, dev->dev_addr))
dev_uc_add(dev, vlandev->dev_addr);
+out:
ether_addr_copy(vlan->real_dev_addr, dev->dev_addr);
}
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 9d010a09..cc15579 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -109,6 +109,8 @@
void vlan_setup(struct net_device *dev);
int register_vlan_dev(struct net_device *dev);
void unregister_vlan_dev(struct net_device *dev, struct list_head *head);
+bool vlan_dev_inherit_address(struct net_device *dev,
+ struct net_device *real_dev);
static inline u32 vlan_get_ingress_priority(struct net_device *dev,
u16 vlan_tci)
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index e7e6257..86ae75b 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -245,6 +245,17 @@
strncpy(result, vlan_dev_priv(dev)->real_dev->name, 23);
}
+bool vlan_dev_inherit_address(struct net_device *dev,
+ struct net_device *real_dev)
+{
+ if (dev->addr_assign_type != NET_ADDR_STOLEN)
+ return false;
+
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+ return true;
+}
+
static int vlan_dev_open(struct net_device *dev)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -255,7 +266,8 @@
!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
return -ENETDOWN;
- if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr)) {
+ if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr) &&
+ !vlan_dev_inherit_address(dev, real_dev)) {
err = dev_uc_add(real_dev, dev->dev_addr);
if (err < 0)
goto out;
@@ -560,8 +572,10 @@
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
- if (is_zero_ether_addr(dev->dev_addr))
- eth_hw_addr_inherit(dev, real_dev);
+ if (is_zero_ether_addr(dev->dev_addr)) {
+ ether_addr_copy(dev->dev_addr, real_dev->dev_addr);
+ dev->addr_assign_type = NET_ADDR_STOLEN;
+ }
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
diff --git a/net/atm/signaling.c b/net/atm/signaling.c
index 4fd6af4..adb6e3d 100644
--- a/net/atm/signaling.c
+++ b/net/atm/signaling.c
@@ -124,7 +124,7 @@
break;
case as_addparty:
case as_dropparty:
- sk->sk_err_soft = msg->reply;
+ sk->sk_err_soft = -msg->reply;
/* < 0 failure, otherwise ep_ref */
clear_bit(ATM_VF_WAITING, &vcc->flags);
break;
diff --git a/net/atm/svc.c b/net/atm/svc.c
index 3fa0a9e..878563a 100644
--- a/net/atm/svc.c
+++ b/net/atm/svc.c
@@ -546,7 +546,7 @@
schedule();
}
finish_wait(sk_sleep(sk), &wait);
- error = xchg(&sk->sk_err_soft, 0);
+ error = -xchg(&sk->sk_err_soft, 0);
out:
release_sock(sk);
return error;
@@ -573,7 +573,7 @@
error = -EUNATCH;
goto out;
}
- error = xchg(&sk->sk_err_soft, 0);
+ error = -xchg(&sk->sk_err_soft, 0);
out:
release_sock(sk);
return error;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 0160d7d..8946959 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -1276,9 +1276,9 @@
const struct ceph_osd_request_target *t,
struct ceph_pg_pool_info *pi)
{
- bool pauserd = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD);
- bool pausewr = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSEWR) ||
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) ||
+ bool pauserd = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD);
+ bool pausewr = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSEWR) ||
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
__pool_full(pi);
WARN_ON(pi->id != t->base_oloc.pool);
@@ -1303,8 +1303,7 @@
bool force_resend = false;
bool need_check_tiering = false;
bool need_resend = false;
- bool sort_bitwise = ceph_osdmap_flag(osdc->osdmap,
- CEPH_OSDMAP_SORTBITWISE);
+ bool sort_bitwise = ceph_osdmap_flag(osdc, CEPH_OSDMAP_SORTBITWISE);
enum calc_target_result ct_res;
int ret;
@@ -1540,9 +1539,9 @@
*/
msg->hdr.data_off = cpu_to_le16(req->r_data_offset);
- dout("%s req %p oid %*pE oid_len %d front %zu data %u\n", __func__,
- req, req->r_t.target_oid.name_len, req->r_t.target_oid.name,
- req->r_t.target_oid.name_len, msg->front.iov_len, data_len);
+ dout("%s req %p oid %s oid_len %d front %zu data %u\n", __func__,
+ req, req->r_t.target_oid.name, req->r_t.target_oid.name_len,
+ msg->front.iov_len, data_len);
}
/*
@@ -1590,9 +1589,9 @@
verify_osdc_locked(osdc);
WARN_ON(!osdc->osdmap->epoch);
- if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) ||
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD) ||
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSEWR)) {
+ if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD) ||
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSEWR)) {
dout("%s osdc %p continuous\n", __func__, osdc);
continuous = true;
} else {
@@ -1629,19 +1628,19 @@
}
if ((req->r_flags & CEPH_OSD_FLAG_WRITE) &&
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSEWR)) {
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSEWR)) {
dout("req %p pausewr\n", req);
req->r_t.paused = true;
maybe_request_map(osdc);
} else if ((req->r_flags & CEPH_OSD_FLAG_READ) &&
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD)) {
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD)) {
dout("req %p pauserd\n", req);
req->r_t.paused = true;
maybe_request_map(osdc);
} else if ((req->r_flags & CEPH_OSD_FLAG_WRITE) &&
!(req->r_flags & (CEPH_OSD_FLAG_FULL_TRY |
CEPH_OSD_FLAG_FULL_FORCE)) &&
- (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) ||
+ (ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
pool_full(osdc, req->r_t.base_oloc.pool))) {
dout("req %p full/pool_full\n", req);
pr_warn_ratelimited("FULL or reached pool quota\n");
@@ -2280,7 +2279,7 @@
struct ceph_osd_request *req = lreq->ping_req;
struct ceph_osd_req_op *op = &req->r_ops[0];
- if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD)) {
+ if (ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD)) {
dout("%s PAUSERD\n", __func__);
return;
}
@@ -2893,6 +2892,9 @@
dout("req %p tid %llu cb\n", req, req->r_tid);
__complete_request(req);
}
+ if (m.flags & CEPH_OSD_FLAG_ONDISK)
+ complete_all(&req->r_safe_completion);
+ ceph_osdc_put_request(req);
} else {
if (req->r_unsafe_callback) {
dout("req %p tid %llu unsafe-cb\n", req, req->r_tid);
@@ -2901,10 +2903,7 @@
WARN_ON(1);
}
}
- if (m.flags & CEPH_OSD_FLAG_ONDISK)
- complete_all(&req->r_safe_completion);
- ceph_osdc_put_request(req);
return;
fail_request:
@@ -3050,7 +3049,7 @@
bool skipped_map = false;
bool was_full;
- was_full = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL);
+ was_full = ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL);
set_pool_was_full(osdc);
if (incremental)
@@ -3088,7 +3087,7 @@
osdc->osdmap = newmap;
}
- was_full &= !ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL);
+ was_full &= !ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL);
scan_requests(&osdc->homeless_osd, skipped_map, was_full, true,
need_resend, need_resend_linger);
@@ -3174,9 +3173,9 @@
if (ceph_check_fsid(osdc->client, &fsid) < 0)
goto bad;
- was_pauserd = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD);
- was_pausewr = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSEWR) ||
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) ||
+ was_pauserd = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD);
+ was_pausewr = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSEWR) ||
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
have_pool_full(osdc);
/* incremental maps */
@@ -3238,9 +3237,9 @@
* we find out when we are no longer full and stop returning
* ENOSPC.
*/
- pauserd = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSERD);
- pausewr = ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_PAUSEWR) ||
- ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL) ||
+ pauserd = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSERD);
+ pausewr = ceph_osdmap_flag(osdc, CEPH_OSDMAP_PAUSEWR) ||
+ ceph_osdmap_flag(osdc, CEPH_OSDMAP_FULL) ||
have_pool_full(osdc);
if (was_pauserd || was_pausewr || pauserd || pausewr)
maybe_request_map(osdc);
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index cde52e9..03062bb 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1778,8 +1778,8 @@
raw_pgid->seed = ceph_str_hash(pi->object_hash, oid->name,
oid->name_len);
- dout("%s %*pE -> raw_pgid %llu.%x\n", __func__, oid->name_len,
- oid->name, raw_pgid->pool, raw_pgid->seed);
+ dout("%s %s -> raw_pgid %llu.%x\n", __func__, oid->name,
+ raw_pgid->pool, raw_pgid->seed);
return 0;
}
EXPORT_SYMBOL(ceph_object_locator_to_pg);
diff --git a/net/core/hwbm.c b/net/core/hwbm.c
index 941c284..2cab489 100644
--- a/net/core/hwbm.c
+++ b/net/core/hwbm.c
@@ -55,18 +55,21 @@
spin_lock_irqsave(&bm_pool->lock, flags);
if (bm_pool->buf_num == bm_pool->size) {
pr_warn("pool already filled\n");
+ spin_unlock_irqrestore(&bm_pool->lock, flags);
return bm_pool->buf_num;
}
if (buf_num + bm_pool->buf_num > bm_pool->size) {
pr_warn("cannot allocate %d buffers for pool\n",
buf_num);
+ spin_unlock_irqrestore(&bm_pool->lock, flags);
return 0;
}
if ((buf_num + bm_pool->buf_num) < bm_pool->buf_num) {
pr_warn("Adding %d buffers to the %d current buffers will overflow\n",
buf_num, bm_pool->buf_num);
+ spin_unlock_irqrestore(&bm_pool->lock, flags);
return 0;
}
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 8604ae2..8b02df0 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2245,10 +2245,8 @@
hrtimer_set_expires(&t.timer, spin_until);
remaining = ktime_to_ns(hrtimer_expires_remaining(&t.timer));
- if (remaining <= 0) {
- pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);
- return;
- }
+ if (remaining <= 0)
+ goto out;
start_time = ktime_get();
if (remaining < 100000) {
@@ -2273,7 +2271,9 @@
}
pkt_dev->idle_acc += ktime_to_ns(ktime_sub(end_time, start_time));
+out:
pkt_dev->next_tx = ktime_add_ns(spin_until, pkt_dev->delay);
+ destroy_hrtimer_on_stack(&t.timer);
}
static inline void set_pkt_overhead(struct pktgen_dev *pkt_dev)
diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c
index ca207db..116187b 100644
--- a/net/ieee802154/nl802154.c
+++ b/net/ieee802154/nl802154.c
@@ -1289,8 +1289,8 @@
nl802154_dev_addr_policy))
return -EINVAL;
- if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] &&
- !attrs[NL802154_DEV_ADDR_ATTR_MODE] &&
+ if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] ||
+ !attrs[NL802154_DEV_ADDR_ATTR_MODE] ||
!(attrs[NL802154_DEV_ADDR_ATTR_SHORT] ||
attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]))
return -EINVAL;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 377424e..d39e9e4 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1681,6 +1681,14 @@
*/
net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
+
+ /* Default values for sysctl-controlled parameters.
+ * We set them here, in case sysctl is not compiled.
+ */
+ net->ipv4.sysctl_ip_default_ttl = IPDEFTTL;
+ net->ipv4.sysctl_ip_dynaddr = 0;
+ net->ipv4.sysctl_ip_early_demux = 1;
+
return 0;
}
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index bb04195..1cb67de 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -999,10 +999,6 @@
if (!net->ipv4.sysctl_local_reserved_ports)
goto err_ports;
- net->ipv4.sysctl_ip_default_ttl = IPDEFTTL;
- net->ipv4.sysctl_ip_dynaddr = 0;
- net->ipv4.sysctl_ip_early_demux = 1;
-
return 0;
err_ports:
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 3f84113..2343e4f 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -232,6 +232,15 @@
Saying M here will produce a module called ip6_gre. If unsure, say N.
+config IPV6_FOU
+ tristate
+ default NET_FOU && IPV6
+
+config IPV6_FOU_TUNNEL
+ tristate
+ default NET_FOU_IP_TUNNELS && IPV6_FOU
+ select IPV6_TUNNEL
+
config IPV6_MULTIPLE_TABLES
bool "IPv6: Multiple Routing Tables"
select FIB_RULES
diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile
index 7ec3129..6d8ea09 100644
--- a/net/ipv6/Makefile
+++ b/net/ipv6/Makefile
@@ -42,7 +42,7 @@
obj-$(CONFIG_IPV6_SIT) += sit.o
obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o
obj-$(CONFIG_IPV6_GRE) += ip6_gre.o
-obj-$(CONFIG_NET_FOU) += fou6.o
+obj-$(CONFIG_IPV6_FOU) += fou6.o
obj-y += addrconf_core.o exthdrs_core.o ip6_checksum.o ip6_icmp.o
obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6-offload)
diff --git a/net/ipv6/fou6.c b/net/ipv6/fou6.c
index c972d0b..9ea249b 100644
--- a/net/ipv6/fou6.c
+++ b/net/ipv6/fou6.c
@@ -69,7 +69,7 @@
}
EXPORT_SYMBOL(gue6_build_header);
-#ifdef CONFIG_NET_FOU_IP_TUNNELS
+#if IS_ENABLED(CONFIG_IPV6_FOU_TUNNEL)
static const struct ip6_tnl_encap_ops fou_ip6tun_ops = {
.encap_hlen = fou_encap_hlen,
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index af503f5..f4ac284 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -712,6 +712,7 @@
fl6->daddr = p->raddr;
fl6->flowi6_oif = p->link;
fl6->flowlabel = 0;
+ fl6->flowi6_proto = IPPROTO_GRE;
if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
@@ -1027,6 +1028,8 @@
dev->hard_header_len = LL_MAX_HEADER + t_hlen;
dev->mtu = ETH_DATA_LEN - t_hlen;
+ if (dev->type == ARPHRD_ETHER)
+ dev->mtu -= ETH_HLEN;
if (!(tunnel->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
dev->mtu -= 8;
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index c6f5df1b..6c54e03 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -128,6 +128,7 @@
*/
static int l2tp_ip6_recv(struct sk_buff *skb)
{
+ struct net *net = dev_net(skb->dev);
struct sock *sk;
u32 session_id;
u32 tunnel_id;
@@ -154,7 +155,7 @@
}
/* Ok, this is a data packet. Lookup the session. */
- session = l2tp_session_find(&init_net, NULL, session_id);
+ session = l2tp_session_find(net, NULL, session_id);
if (session == NULL)
goto discard;
@@ -188,14 +189,14 @@
goto discard;
tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
- tunnel = l2tp_tunnel_find(&init_net, tunnel_id);
+ tunnel = l2tp_tunnel_find(net, tunnel_id);
if (tunnel != NULL)
sk = tunnel->sock;
else {
struct ipv6hdr *iph = ipv6_hdr(skb);
read_lock_bh(&l2tp_ip6_lock);
- sk = __l2tp_ip6_bind_lookup(&init_net, &iph->daddr,
+ sk = __l2tp_ip6_bind_lookup(net, &iph->daddr,
0, tunnel_id);
read_unlock_bh(&l2tp_ip6_lock);
}
@@ -263,6 +264,7 @@
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct sockaddr_l2tpip6 *addr = (struct sockaddr_l2tpip6 *) uaddr;
+ struct net *net = sock_net(sk);
__be32 v4addr = 0;
int addr_type;
int err;
@@ -286,7 +288,7 @@
err = -EADDRINUSE;
read_lock_bh(&l2tp_ip6_lock);
- if (__l2tp_ip6_bind_lookup(&init_net, &addr->l2tp_addr,
+ if (__l2tp_ip6_bind_lookup(net, &addr->l2tp_addr,
sk->sk_bound_dev_if, addr->l2tp_conn_id))
goto out_in_use;
read_unlock_bh(&l2tp_ip6_lock);
@@ -456,7 +458,7 @@
return 0;
drop:
- IP_INC_STATS(&init_net, IPSTATS_MIB_INDISCARDS);
+ IP_INC_STATS(sock_net(sk), IPSTATS_MIB_INDISCARDS);
kfree_skb(skb);
return -1;
}
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 5dba899..1824708 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -444,10 +444,9 @@
break;
case LAPB_FRMR:
- lapb_dbg(1, "(%p) S3 RX FRMR(%d) %02X %02X %02X %02X %02X\n",
+ lapb_dbg(1, "(%p) S3 RX FRMR(%d) %5ph\n",
lapb->dev, frame->pf,
- skb->data[0], skb->data[1], skb->data[2],
- skb->data[3], skb->data[4]);
+ skb->data);
lapb_establish_data_link(lapb);
lapb_dbg(0, "(%p) S3 -> S1\n", lapb->dev);
lapb_requeue_frames(lapb);
diff --git a/net/lapb/lapb_out.c b/net/lapb/lapb_out.c
index ba4d015..482c94d 100644
--- a/net/lapb/lapb_out.c
+++ b/net/lapb/lapb_out.c
@@ -148,9 +148,7 @@
}
}
- lapb_dbg(2, "(%p) S%d TX %02X %02X %02X\n",
- lapb->dev, lapb->state,
- skb->data[0], skb->data[1], skb->data[2]);
+ lapb_dbg(2, "(%p) S%d TX %3ph\n", lapb->dev, lapb->state, skb->data);
if (!lapb_data_transmit(lapb, skb))
kfree_skb(skb);
diff --git a/net/lapb/lapb_subr.c b/net/lapb/lapb_subr.c
index 9d0a426..3c1914d 100644
--- a/net/lapb/lapb_subr.c
+++ b/net/lapb/lapb_subr.c
@@ -113,9 +113,7 @@
{
frame->type = LAPB_ILLEGAL;
- lapb_dbg(2, "(%p) S%d RX %02X %02X %02X\n",
- lapb->dev, lapb->state,
- skb->data[0], skb->data[1], skb->data[2]);
+ lapb_dbg(2, "(%p) S%d RX %3ph\n", lapb->dev, lapb->state, skb->data);
/* We always need to look at 2 bytes, sometimes we need
* to look at 3 and those cases are handled below.
@@ -284,10 +282,9 @@
dptr++;
*dptr++ = lapb->frmr_type;
- lapb_dbg(1, "(%p) S%d TX FRMR %02X %02X %02X %02X %02X\n",
+ lapb_dbg(1, "(%p) S%d TX FRMR %5ph\n",
lapb->dev, lapb->state,
- skb->data[1], skb->data[2], skb->data[3],
- skb->data[4], skb->data[5]);
+ &skb->data[1]);
} else {
dptr = skb_put(skb, 4);
*dptr++ = LAPB_FRMR;
@@ -299,9 +296,8 @@
dptr++;
*dptr++ = lapb->frmr_type;
- lapb_dbg(1, "(%p) S%d TX FRMR %02X %02X %02X\n",
- lapb->dev, lapb->state, skb->data[1],
- skb->data[2], skb->data[3]);
+ lapb_dbg(1, "(%p) S%d TX FRMR %3ph\n",
+ lapb->dev, lapb->state, &skb->data[1]);
}
lapb_transmit_buffer(lapb, skb, LAPB_RESPONSE);
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 879185f..9a3eb7a 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -137,11 +137,23 @@
return !!key->eth.type;
}
+static void update_ethertype(struct sk_buff *skb, struct ethhdr *hdr,
+ __be16 ethertype)
+{
+ if (skb->ip_summed == CHECKSUM_COMPLETE) {
+ __be16 diff[] = { ~(hdr->h_proto), ethertype };
+
+ skb->csum = ~csum_partial((char *)diff, sizeof(diff),
+ ~skb->csum);
+ }
+
+ hdr->h_proto = ethertype;
+}
+
static int push_mpls(struct sk_buff *skb, struct sw_flow_key *key,
const struct ovs_action_push_mpls *mpls)
{
__be32 *new_mpls_lse;
- struct ethhdr *hdr;
/* Networking stack do not allow simultaneous Tunnel and MPLS GSO. */
if (skb->encapsulation)
@@ -160,9 +172,7 @@
skb_postpush_rcsum(skb, new_mpls_lse, MPLS_HLEN);
- hdr = eth_hdr(skb);
- hdr->h_proto = mpls->mpls_ethertype;
-
+ update_ethertype(skb, eth_hdr(skb), mpls->mpls_ethertype);
if (!skb->inner_protocol)
skb_set_inner_protocol(skb, skb->protocol);
skb->protocol = mpls->mpls_ethertype;
@@ -193,7 +203,7 @@
* field correctly in the presence of VLAN tags.
*/
hdr = (struct ethhdr *)(skb_mpls_header(skb) - ETH_HLEN);
- hdr->h_proto = ethertype;
+ update_ethertype(skb, hdr, ethertype);
if (eth_p_mpls(skb->protocol))
skb->protocol = ethertype;
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 330f14e..b884dae 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -239,6 +239,8 @@
police->tcfp_t_c = ktime_get_ns();
police->tcf_index = parm->index ? parm->index :
tcf_hash_new_index(tn);
+ police->tcf_tm.install = jiffies;
+ police->tcf_tm.lastuse = jiffies;
h = tcf_hash(police->tcf_index, POL_TAB_MASK);
spin_lock_bh(&hinfo->lock);
hlist_add_head(&police->tcf_head, &hinfo->htab[h]);
@@ -268,6 +270,7 @@
spin_lock(&police->tcf_lock);
bstats_update(&police->tcf_bstats, skb);
+ tcf_lastuse_update(&police->tcf_tm);
if (police->tcfp_ewma_rate &&
police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
@@ -327,6 +330,7 @@
.refcnt = police->tcf_refcnt - ref,
.bindcnt = police->tcf_bindcnt - bind,
};
+ struct tcf_t t;
if (police->rate_present)
psched_ratecfg_getrate(&opt.rate, &police->rate);
@@ -340,6 +344,13 @@
if (police->tcfp_ewma_rate &&
nla_put_u32(skb, TCA_POLICE_AVRATE, police->tcfp_ewma_rate))
goto nla_put_failure;
+
+ t.install = jiffies_to_clock_t(jiffies - police->tcf_tm.install);
+ t.lastuse = jiffies_to_clock_t(jiffies - police->tcf_tm.lastuse);
+ t.expires = jiffies_to_clock_t(police->tcf_tm.expires);
+ if (nla_put_64bit(skb, TCA_POLICE_TM, sizeof(t), &t, TCA_POLICE_PAD))
+ goto nla_put_failure;
+
return skb->len;
nla_put_failure:
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 64f71a2..ddf047d 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -607,6 +607,10 @@
if (throttle)
qdisc_throttled(wd->qdisc);
+ if (wd->last_expires == expires)
+ return;
+
+ wd->last_expires = expires;
hrtimer_start(&wd->timer,
ns_to_ktime(expires),
HRTIMER_MODE_ABS_PINNED);
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index f6bf581..d4b4218 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -928,17 +928,10 @@
}
}
qdisc_qstats_overlimit(sch);
- if (likely(next_event > q->now)) {
- if (!test_bit(__QDISC_STATE_DEACTIVATED,
- &qdisc_root_sleeping(q->watchdog.qdisc)->state)) {
- ktime_t time = ns_to_ktime(next_event);
- qdisc_throttled(q->watchdog.qdisc);
- hrtimer_start(&q->watchdog.timer, time,
- HRTIMER_MODE_ABS_PINNED);
- }
- } else {
+ if (likely(next_event > q->now))
+ qdisc_watchdog_schedule_ns(&q->watchdog, next_event, true);
+ else
schedule_work(&q->work);
- }
fin:
return skb;
}
diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
index 8e3e769..1ce724b 100644
--- a/net/sctp/sctp_diag.c
+++ b/net/sctp/sctp_diag.c
@@ -356,6 +356,9 @@
if (cb->args[4] < cb->args[1])
goto next;
+ if ((r->idiag_states & ~TCPF_LISTEN) && !list_empty(&ep->asocs))
+ goto next;
+
if (r->sdiag_family != AF_UNSPEC &&
sk->sk_family != r->sdiag_family)
goto next;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 777d032..67154b8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4220,6 +4220,7 @@
info->sctpi_s_disable_fragments = sp->disable_fragments;
info->sctpi_s_v4mapped = sp->v4mapped;
info->sctpi_s_frag_interleave = sp->frag_interleave;
+ info->sctpi_s_type = sp->type;
return 0;
}
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 4dfc5c1..f795b1d 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -346,9 +346,15 @@
struct nlattr **attrs)
{
struct nlattr *bearer[TIPC_NLA_BEARER_MAX + 1];
+ int err;
- nla_parse_nested(bearer, TIPC_NLA_BEARER_MAX, attrs[TIPC_NLA_BEARER],
- NULL);
+ if (!attrs[TIPC_NLA_BEARER])
+ return -EINVAL;
+
+ err = nla_parse_nested(bearer, TIPC_NLA_BEARER_MAX,
+ attrs[TIPC_NLA_BEARER], NULL);
+ if (err)
+ return err;
return tipc_add_tlv(msg->rep, TIPC_TLV_BEARER_NAME,
nla_data(bearer[TIPC_NLA_BEARER_NAME]),
@@ -460,14 +466,31 @@
struct nlattr *link[TIPC_NLA_LINK_MAX + 1];
struct nlattr *prop[TIPC_NLA_PROP_MAX + 1];
struct nlattr *stats[TIPC_NLA_STATS_MAX + 1];
+ int err;
- nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], NULL);
+ if (!attrs[TIPC_NLA_LINK])
+ return -EINVAL;
- nla_parse_nested(prop, TIPC_NLA_PROP_MAX, link[TIPC_NLA_LINK_PROP],
- NULL);
+ err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK],
+ NULL);
+ if (err)
+ return err;
- nla_parse_nested(stats, TIPC_NLA_STATS_MAX, link[TIPC_NLA_LINK_STATS],
- NULL);
+ if (!link[TIPC_NLA_LINK_PROP])
+ return -EINVAL;
+
+ err = nla_parse_nested(prop, TIPC_NLA_PROP_MAX,
+ link[TIPC_NLA_LINK_PROP], NULL);
+ if (err)
+ return err;
+
+ if (!link[TIPC_NLA_LINK_STATS])
+ return -EINVAL;
+
+ err = nla_parse_nested(stats, TIPC_NLA_STATS_MAX,
+ link[TIPC_NLA_LINK_STATS], NULL);
+ if (err)
+ return err;
name = (char *)TLV_DATA(msg->req);
if (strcmp(name, nla_data(link[TIPC_NLA_LINK_NAME])) != 0)
@@ -569,8 +592,15 @@
{
struct nlattr *link[TIPC_NLA_LINK_MAX + 1];
struct tipc_link_info link_info;
+ int err;
- nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK], NULL);
+ if (!attrs[TIPC_NLA_LINK])
+ return -EINVAL;
+
+ err = nla_parse_nested(link, TIPC_NLA_LINK_MAX, attrs[TIPC_NLA_LINK],
+ NULL);
+ if (err)
+ return err;
link_info.dest = nla_get_flag(link[TIPC_NLA_LINK_DEST]);
link_info.up = htonl(nla_get_flag(link[TIPC_NLA_LINK_UP]));
@@ -758,12 +788,23 @@
u32 node, depth, type, lowbound, upbound;
static const char * const scope_str[] = {"", " zone", " cluster",
" node"};
+ int err;
- nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX,
- attrs[TIPC_NLA_NAME_TABLE], NULL);
+ if (!attrs[TIPC_NLA_NAME_TABLE])
+ return -EINVAL;
- nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, nt[TIPC_NLA_NAME_TABLE_PUBL],
- NULL);
+ err = nla_parse_nested(nt, TIPC_NLA_NAME_TABLE_MAX,
+ attrs[TIPC_NLA_NAME_TABLE], NULL);
+ if (err)
+ return err;
+
+ if (!nt[TIPC_NLA_NAME_TABLE_PUBL])
+ return -EINVAL;
+
+ err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX,
+ nt[TIPC_NLA_NAME_TABLE_PUBL], NULL);
+ if (err)
+ return err;
ntq = (struct tipc_name_table_query *)TLV_DATA(msg->req);
@@ -815,8 +856,15 @@
{
u32 type, lower, upper;
struct nlattr *publ[TIPC_NLA_PUBL_MAX + 1];
+ int err;
- nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, attrs[TIPC_NLA_PUBL], NULL);
+ if (!attrs[TIPC_NLA_PUBL])
+ return -EINVAL;
+
+ err = nla_parse_nested(publ, TIPC_NLA_PUBL_MAX, attrs[TIPC_NLA_PUBL],
+ NULL);
+ if (err)
+ return err;
type = nla_get_u32(publ[TIPC_NLA_PUBL_TYPE]);
lower = nla_get_u32(publ[TIPC_NLA_PUBL_LOWER]);
@@ -876,7 +924,13 @@
u32 sock_ref;
struct nlattr *sock[TIPC_NLA_SOCK_MAX + 1];
- nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK], NULL);
+ if (!attrs[TIPC_NLA_SOCK])
+ return -EINVAL;
+
+ err = nla_parse_nested(sock, TIPC_NLA_SOCK_MAX, attrs[TIPC_NLA_SOCK],
+ NULL);
+ if (err)
+ return err;
sock_ref = nla_get_u32(sock[TIPC_NLA_SOCK_REF]);
tipc_tlv_sprintf(msg->rep, "%u:", sock_ref);
@@ -917,9 +971,15 @@
struct nlattr **attrs)
{
struct nlattr *media[TIPC_NLA_MEDIA_MAX + 1];
+ int err;
- nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, attrs[TIPC_NLA_MEDIA],
- NULL);
+ if (!attrs[TIPC_NLA_MEDIA])
+ return -EINVAL;
+
+ err = nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, attrs[TIPC_NLA_MEDIA],
+ NULL);
+ if (err)
+ return err;
return tipc_add_tlv(msg->rep, TIPC_TLV_MEDIA_NAME,
nla_data(media[TIPC_NLA_MEDIA_NAME]),
@@ -931,8 +991,15 @@
{
struct tipc_node_info node_info;
struct nlattr *node[TIPC_NLA_NODE_MAX + 1];
+ int err;
- nla_parse_nested(node, TIPC_NLA_NODE_MAX, attrs[TIPC_NLA_NODE], NULL);
+ if (!attrs[TIPC_NLA_NODE])
+ return -EINVAL;
+
+ err = nla_parse_nested(node, TIPC_NLA_NODE_MAX, attrs[TIPC_NLA_NODE],
+ NULL);
+ if (err)
+ return err;
node_info.addr = htonl(nla_get_u32(node[TIPC_NLA_NODE_ADDR]));
node_info.up = htonl(nla_get_flag(node[TIPC_NLA_NODE_UP]));
@@ -971,8 +1038,16 @@
{
__be32 id;
struct nlattr *net[TIPC_NLA_NET_MAX + 1];
+ int err;
- nla_parse_nested(net, TIPC_NLA_NET_MAX, attrs[TIPC_NLA_NET], NULL);
+ if (!attrs[TIPC_NLA_NET])
+ return -EINVAL;
+
+ err = nla_parse_nested(net, TIPC_NLA_NET_MAX, attrs[TIPC_NLA_NET],
+ NULL);
+ if (err)
+ return err;
+
id = htonl(nla_get_u32(net[TIPC_NLA_NET_ID]));
return tipc_add_tlv(msg->rep, TIPC_TLV_UNSIGNED, &id, sizeof(id));
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6750595..4904ced 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2454,6 +2454,7 @@
# Check for git id commit length and improperly formed commit descriptions
if ($in_commit_log && !$commit_log_possible_stack_dump &&
+ $line !~ /^\s*(?:Link|Patchwork|http|BugLink):/i &&
($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
($line =~ /\b[0-9a-f]{12,40}\b/i &&
$line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
diff --git a/security/keys/compat.c b/security/keys/compat.c
index c8783b3..36c80bf 100644
--- a/security/keys/compat.c
+++ b/security/keys/compat.c
@@ -134,7 +134,7 @@
case KEYCTL_DH_COMPUTE:
return keyctl_dh_compute(compat_ptr(arg2), compat_ptr(arg3),
- arg4);
+ arg4, compat_ptr(arg5));
default:
return -EOPNOTSUPP;
diff --git a/security/keys/dh.c b/security/keys/dh.c
index 880505a..531ed2e 100644
--- a/security/keys/dh.c
+++ b/security/keys/dh.c
@@ -78,7 +78,8 @@
}
long keyctl_dh_compute(struct keyctl_dh_params __user *params,
- char __user *buffer, size_t buflen)
+ char __user *buffer, size_t buflen,
+ void __user *reserved)
{
long ret;
MPI base, private, prime, result;
@@ -97,6 +98,11 @@
goto out;
}
+ if (reserved) {
+ ret = -EINVAL;
+ goto out;
+ }
+
keylen = mpi_from_key(pcopy.prime, buflen, &prime);
if (keylen < 0 || !prime) {
/* buflen == 0 may be used to query the required buffer size,
diff --git a/security/keys/internal.h b/security/keys/internal.h
index 8ec7a52..a705a7d 100644
--- a/security/keys/internal.h
+++ b/security/keys/internal.h
@@ -260,10 +260,11 @@
#ifdef CONFIG_KEY_DH_OPERATIONS
extern long keyctl_dh_compute(struct keyctl_dh_params __user *, char __user *,
- size_t);
+ size_t, void __user *);
#else
static inline long keyctl_dh_compute(struct keyctl_dh_params __user *params,
- char __user *buffer, size_t buflen)
+ char __user *buffer, size_t buflen,
+ void __user *reserved)
{
return -EOPNOTSUPP;
}
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 3b135a0..d580ad0 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -1688,8 +1688,8 @@
case KEYCTL_DH_COMPUTE:
return keyctl_dh_compute((struct keyctl_dh_params __user *) arg2,
- (char __user *) arg3,
- (size_t) arg4);
+ (char __user *) arg3, (size_t) arg4,
+ (void __user *) arg5);
default:
return -EOPNOTSUPP;
diff --git a/virt/kvm/arm/hyp/vgic-v2-sr.c b/virt/kvm/arm/hyp/vgic-v2-sr.c
index a3f12b3..3a3a699 100644
--- a/virt/kvm/arm/hyp/vgic-v2-sr.c
+++ b/virt/kvm/arm/hyp/vgic-v2-sr.c
@@ -100,12 +100,11 @@
if (!(vcpu->arch.vgic_cpu.live_lrs & (1UL << i)))
continue;
- if (cpu_if->vgic_elrsr & (1UL << i)) {
+ if (cpu_if->vgic_elrsr & (1UL << i))
cpu_if->vgic_lr[i] &= ~GICH_LR_STATE;
- continue;
- }
+ else
+ cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
- cpu_if->vgic_lr[i] = readl_relaxed(base + GICH_LR0 + (i * 4));
writel_relaxed(0, base + GICH_LR0 + (i * 4));
}
}
diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c
index 059595e..9f6fab7 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.c
+++ b/virt/kvm/arm/vgic/vgic-mmio.c
@@ -191,10 +191,8 @@
* other thread sync back the IRQ.
*/
while (irq->vcpu && /* IRQ may have state in an LR somewhere */
- irq->vcpu->cpu != -1) { /* VCPU thread is running */
- BUG_ON(irq->intid < VGIC_NR_PRIVATE_IRQS);
+ irq->vcpu->cpu != -1) /* VCPU thread is running */
cond_resched_lock(&irq->irq_lock);
- }
irq->active = new_active_state;
if (new_active_state)
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 8ad42c2..e31405e 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -112,11 +112,15 @@
}
}
- /* Clear soft pending state when level IRQs have been acked */
- if (irq->config == VGIC_CONFIG_LEVEL &&
- !(val & GICH_LR_PENDING_BIT)) {
- irq->soft_pending = false;
- irq->pending = irq->line_level;
+ /*
+ * Clear soft pending state when level irqs have been acked.
+ * Always regenerate the pending state.
+ */
+ if (irq->config == VGIC_CONFIG_LEVEL) {
+ if (!(val & GICH_LR_PENDING_BIT))
+ irq->soft_pending = false;
+
+ irq->pending = irq->line_level || irq->soft_pending;
}
spin_unlock(&irq->irq_lock);
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index 336a461..346b4ad 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -101,11 +101,15 @@
}
}
- /* Clear soft pending state when level irqs have been acked */
- if (irq->config == VGIC_CONFIG_LEVEL &&
- !(val & ICH_LR_PENDING_BIT)) {
- irq->soft_pending = false;
- irq->pending = irq->line_level;
+ /*
+ * Clear soft pending state when level irqs have been acked.
+ * Always regenerate the pending state.
+ */
+ if (irq->config == VGIC_CONFIG_LEVEL) {
+ if (!(val & ICH_LR_PENDING_BIT))
+ irq->soft_pending = false;
+
+ irq->pending = irq->line_level || irq->soft_pending;
}
spin_unlock(&irq->irq_lock);
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c
index fe84e1a..8db197b 100644
--- a/virt/kvm/irqchip.c
+++ b/virt/kvm/irqchip.c
@@ -40,7 +40,7 @@
irq_rt = srcu_dereference_check(kvm->irq_routing, &kvm->irq_srcu,
lockdep_is_held(&kvm->irq_lock));
- if (gsi < irq_rt->nr_rt_entries) {
+ if (irq_rt && gsi < irq_rt->nr_rt_entries) {
hlist_for_each_entry(e, &irq_rt->map[gsi], link) {
entries[n] = *e;
++n;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 37af230..02e98f3 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2935,7 +2935,7 @@
case KVM_SET_GSI_ROUTING: {
struct kvm_irq_routing routing;
struct kvm_irq_routing __user *urouting;
- struct kvm_irq_routing_entry *entries;
+ struct kvm_irq_routing_entry *entries = NULL;
r = -EFAULT;
if (copy_from_user(&routing, argp, sizeof(routing)))
@@ -2945,15 +2945,17 @@
goto out;
if (routing.flags)
goto out;
- r = -ENOMEM;
- entries = vmalloc(routing.nr * sizeof(*entries));
- if (!entries)
- goto out;
- r = -EFAULT;
- urouting = argp;
- if (copy_from_user(entries, urouting->entries,
- routing.nr * sizeof(*entries)))
- goto out_free_irq_routing;
+ if (routing.nr) {
+ r = -ENOMEM;
+ entries = vmalloc(routing.nr * sizeof(*entries));
+ if (!entries)
+ goto out;
+ r = -EFAULT;
+ urouting = argp;
+ if (copy_from_user(entries, urouting->entries,
+ routing.nr * sizeof(*entries)))
+ goto out_free_irq_routing;
+ }
r = kvm_set_irq_routing(kvm, entries, routing.nr,
routing.flags);
out_free_irq_routing: