Merge Linus master to drm-next
linux-next conflict reported needed resolution.
Conflicts:
drivers/gpu/drm/drm_crtc.c
drivers/gpu/drm/drm_edid.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/radeon/radeon_ttm.c
drivers/gpu/drm/ttm/ttm_bo.c
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index fe23f29..5f0aec4 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -11,7 +11,7 @@
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o \
- drm_info.o drm_debugfs.o
+ drm_info.o drm_debugfs.o drm_encoder_slave.o
drm-$(CONFIG_COMPAT) += drm_ioc32.o
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2f631c7..c20fcdc 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -68,10 +68,10 @@
*/
static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
{
- { DRM_MODE_SCALE_NON_GPU, "Non-GPU" },
- { DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" },
- { DRM_MODE_SCALE_NO_SCALE, "No scale" },
- { DRM_MODE_SCALE_ASPECT, "Aspect" },
+ { DRM_MODE_SCALE_NONE, "None" },
+ { DRM_MODE_SCALE_FULLSCREEN, "Full" },
+ { DRM_MODE_SCALE_CENTER, "Center" },
+ { DRM_MODE_SCALE_ASPECT, "Full aspect" },
};
static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
@@ -108,6 +108,7 @@
{ DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
{ DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
{ DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
+ { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
};
DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
@@ -118,6 +119,7 @@
{ DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
{ DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
{ DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
+ { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
};
DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
@@ -146,6 +148,7 @@
{ DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
{ DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
{ DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
+ { DRM_MODE_CONNECTOR_TV, "TV", 0 },
};
static struct drm_prop_enum_list drm_encoder_enum_list[] =
@@ -699,6 +702,42 @@
drm_property_add_enum(dev->mode_config.tv_mode_property, i,
i, modes[i]);
+ dev->mode_config.tv_brightness_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "brightness", 2);
+ dev->mode_config.tv_brightness_property->values[0] = 0;
+ dev->mode_config.tv_brightness_property->values[1] = 100;
+
+ dev->mode_config.tv_contrast_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "contrast", 2);
+ dev->mode_config.tv_contrast_property->values[0] = 0;
+ dev->mode_config.tv_contrast_property->values[1] = 100;
+
+ dev->mode_config.tv_flicker_reduction_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "flicker reduction", 2);
+ dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
+ dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
+
+ dev->mode_config.tv_overscan_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "overscan", 2);
+ dev->mode_config.tv_overscan_property->values[0] = 0;
+ dev->mode_config.tv_overscan_property->values[1] = 100;
+
+ dev->mode_config.tv_saturation_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "saturation", 2);
+ dev->mode_config.tv_saturation_property->values[0] = 0;
+ dev->mode_config.tv_saturation_property->values[1] = 100;
+
+ dev->mode_config.tv_hue_property =
+ drm_property_create(dev, DRM_MODE_PROP_RANGE,
+ "hue", 2);
+ dev->mode_config.tv_hue_property->values[0] = 0;
+ dev->mode_config.tv_hue_property->values[1] = 100;
+
return 0;
}
EXPORT_SYMBOL(drm_mode_create_tv_properties);
@@ -1044,7 +1083,7 @@
if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
list_for_each_entry(crtc, &dev->mode_config.crtc_list,
head) {
- DRM_DEBUG("CRTC ID is %d\n", crtc->base.id);
+ DRM_DEBUG_KMS("CRTC ID is %d\n", crtc->base.id);
if (put_user(crtc->base.id, crtc_id + copied)) {
ret = -EFAULT;
goto out;
@@ -1072,7 +1111,7 @@
list_for_each_entry(encoder,
&dev->mode_config.encoder_list,
head) {
- DRM_DEBUG("ENCODER ID is %d\n",
+ DRM_DEBUG_KMS("ENCODER ID is %d\n",
encoder->base.id);
if (put_user(encoder->base.id, encoder_id +
copied)) {
@@ -1103,7 +1142,7 @@
list_for_each_entry(connector,
&dev->mode_config.connector_list,
head) {
- DRM_DEBUG("CONNECTOR ID is %d\n",
+ DRM_DEBUG_KMS("CONNECTOR ID is %d\n",
connector->base.id);
if (put_user(connector->base.id,
connector_id + copied)) {
@@ -1127,7 +1166,7 @@
}
card_res->count_connectors = connector_count;
- DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs,
+ DRM_DEBUG_KMS("Counted %d %d %d\n", card_res->count_crtcs,
card_res->count_connectors, card_res->count_encoders);
out:
@@ -1230,7 +1269,7 @@
memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
- DRM_DEBUG("connector id %d:\n", out_resp->connector_id);
+ DRM_DEBUG_KMS("connector id %d:\n", out_resp->connector_id);
mutex_lock(&dev->mode_config.mutex);
@@ -1406,7 +1445,7 @@
obj = drm_mode_object_find(dev, crtc_req->crtc_id,
DRM_MODE_OBJECT_CRTC);
if (!obj) {
- DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id);
+ DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
ret = -EINVAL;
goto out;
}
@@ -1419,7 +1458,8 @@
list_for_each_entry(crtcfb,
&dev->mode_config.crtc_list, head) {
if (crtcfb == crtc) {
- DRM_DEBUG("Using current fb for setmode\n");
+ DRM_DEBUG_KMS("Using current fb for "
+ "setmode\n");
fb = crtc->fb;
}
}
@@ -1427,7 +1467,8 @@
obj = drm_mode_object_find(dev, crtc_req->fb_id,
DRM_MODE_OBJECT_FB);
if (!obj) {
- DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id);
+ DRM_DEBUG_KMS("Unknown FB ID%d\n",
+ crtc_req->fb_id);
ret = -EINVAL;
goto out;
}
@@ -1440,13 +1481,13 @@
}
if (crtc_req->count_connectors == 0 && mode) {
- DRM_DEBUG("Count connectors is 0 but mode set\n");
+ DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
ret = -EINVAL;
goto out;
}
if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
- DRM_DEBUG("Count connectors is %d but no mode or fb set\n",
+ DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
crtc_req->count_connectors);
ret = -EINVAL;
goto out;
@@ -1479,7 +1520,8 @@
obj = drm_mode_object_find(dev, out_id,
DRM_MODE_OBJECT_CONNECTOR);
if (!obj) {
- DRM_DEBUG("Connector id %d unknown\n", out_id);
+ DRM_DEBUG_KMS("Connector id %d unknown\n",
+ out_id);
ret = -EINVAL;
goto out;
}
@@ -1512,7 +1554,7 @@
struct drm_crtc *crtc;
int ret = 0;
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
if (!req->flags) {
DRM_ERROR("no operation set\n");
@@ -1522,7 +1564,7 @@
mutex_lock(&dev->mode_config.mutex);
obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
if (!obj) {
- DRM_DEBUG("Unknown CRTC ID %d\n", req->crtc_id);
+ DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
ret = -EINVAL;
goto out;
}
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 6aaa2cb..a06c5f5 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -94,7 +94,7 @@
int count = 0;
int mode_flags = 0;
- DRM_DEBUG("%s\n", drm_get_connector_name(connector));
+ DRM_DEBUG_KMS("%s\n", drm_get_connector_name(connector));
/* set all modes to the unverified state */
list_for_each_entry_safe(mode, t, &connector->modes, head)
mode->status = MODE_UNVERIFIED;
@@ -102,7 +102,7 @@
connector->status = connector->funcs->detect(connector);
if (connector->status == connector_status_disconnected) {
- DRM_DEBUG("%s is disconnected\n",
+ DRM_DEBUG_KMS("%s is disconnected\n",
drm_get_connector_name(connector));
/* TODO set EDID to NULL */
return 0;
@@ -138,7 +138,8 @@
drm_mode_sort(&connector->modes);
- DRM_DEBUG("Probed modes for %s\n", drm_get_connector_name(connector));
+ DRM_DEBUG_KMS("Probed modes for %s\n",
+ drm_get_connector_name(connector));
list_for_each_entry_safe(mode, t, &connector->modes, head) {
mode->vrefresh = drm_mode_vrefresh(mode);
@@ -184,12 +185,13 @@
drm_mode_list_concat(&connector->probed_modes,
&connector->modes);
- DRM_DEBUG("Adding mode %s to %s\n", stdmode->name,
+ DRM_DEBUG_KMS("Adding mode %s to %s\n", stdmode->name,
drm_get_connector_name(connector));
}
drm_mode_sort(&connector->modes);
- DRM_DEBUG("Added std modes on %s\n", drm_get_connector_name(connector));
+ DRM_DEBUG_KMS("Added std modes on %s\n",
+ drm_get_connector_name(connector));
list_for_each_entry_safe(mode, t, &connector->modes, head) {
mode->vrefresh = drm_mode_vrefresh(mode);
@@ -312,7 +314,7 @@
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
enabled[i] = drm_connector_enabled(connector, true);
- DRM_DEBUG("connector %d enabled? %s\n", connector->base.id,
+ DRM_DEBUG_KMS("connector %d enabled? %s\n", connector->base.id,
enabled[i] ? "yes" : "no");
any_enabled |= enabled[i];
i++;
@@ -342,7 +344,7 @@
continue;
}
- DRM_DEBUG("looking for preferred mode on connector %d\n",
+ DRM_DEBUG_KMS("looking for preferred mode on connector %d\n",
connector->base.id);
modes[i] = drm_has_preferred_mode(connector, width, height);
@@ -351,7 +353,7 @@
list_for_each_entry(modes[i], &connector->modes, head)
break;
}
- DRM_DEBUG("found mode %s\n", modes[i] ? modes[i]->name :
+ DRM_DEBUG_KMS("found mode %s\n", modes[i] ? modes[i]->name :
"none");
i++;
}
@@ -452,7 +454,7 @@
int width, height;
int i, ret;
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
width = dev->mode_config.max_width;
height = dev->mode_config.max_height;
@@ -475,7 +477,7 @@
if (!ret)
DRM_ERROR("Unable to find initial modes\n");
- DRM_DEBUG("picking CRTCs for %dx%d config\n", width, height);
+ DRM_DEBUG_KMS("picking CRTCs for %dx%d config\n", width, height);
drm_pick_crtcs(dev, crtcs, modes, 0, width, height);
@@ -490,7 +492,7 @@
}
if (mode && crtc) {
- DRM_DEBUG("desired mode %s set on crtc %d\n",
+ DRM_DEBUG_KMS("desired mode %s set on crtc %d\n",
mode->name, crtc->base.id);
crtc->desired_mode = mode;
connector->encoder->crtc = crtc;
@@ -713,7 +715,7 @@
struct drm_crtc_helper_funcs *crtc_funcs;
int ret = 0;
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
if (!set)
return -EINVAL;
@@ -726,7 +728,8 @@
crtc_funcs = set->crtc->helper_private;
- DRM_DEBUG("crtc: %p %d fb: %p connectors: %p num_connectors: %d (x, y) (%i, %i)\n",
+ DRM_DEBUG_KMS("crtc: %p %d fb: %p connectors: %p num_connectors:"
+ " %d (x, y) (%i, %i)\n",
set->crtc, set->crtc->base.id, set->fb, set->connectors,
(int)set->num_connectors, set->x, set->y);
@@ -756,7 +759,7 @@
if (set->crtc->fb != set->fb) {
/* If we have no fb then treat it as a full mode set */
if (set->crtc->fb == NULL) {
- DRM_DEBUG("crtc has no fb, full mode set\n");
+ DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
mode_changed = true;
} else if (set->fb == NULL) {
mode_changed = true;
@@ -772,7 +775,7 @@
fb_changed = true;
if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) {
- DRM_DEBUG("modes are different, full mode set\n");
+ DRM_DEBUG_KMS("modes are different, full mode set\n");
drm_mode_debug_printmodeline(&set->crtc->mode);
drm_mode_debug_printmodeline(set->mode);
mode_changed = true;
@@ -798,7 +801,7 @@
}
if (new_encoder != connector->encoder) {
- DRM_DEBUG("encoder changed, full mode switch\n");
+ DRM_DEBUG_KMS("encoder changed, full mode switch\n");
mode_changed = true;
connector->encoder = new_encoder;
}
@@ -833,11 +836,11 @@
goto fail_set_mode;
}
if (new_crtc != connector->encoder->crtc) {
- DRM_DEBUG("crtc changed, full mode switch\n");
+ DRM_DEBUG_KMS("crtc changed, full mode switch\n");
mode_changed = true;
connector->encoder->crtc = new_crtc;
}
- DRM_DEBUG("setting connector %d crtc to %p\n",
+ DRM_DEBUG_KMS("setting connector %d crtc to %p\n",
connector->base.id, new_crtc);
}
@@ -850,7 +853,8 @@
set->crtc->fb = set->fb;
set->crtc->enabled = (set->mode != NULL);
if (set->mode != NULL) {
- DRM_DEBUG("attempting to set mode from userspace\n");
+ DRM_DEBUG_KMS("attempting to set mode from"
+ " userspace\n");
drm_mode_debug_printmodeline(set->mode);
if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
set->x, set->y,
@@ -903,7 +907,7 @@
bool drm_helper_plugged_event(struct drm_device *dev)
{
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
drm_helper_probe_connector_modes(dev, dev->mode_config.max_width,
dev->mode_config.max_height);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index b39d7bf..a75ca63 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -63,12 +63,12 @@
DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0),
- DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER),
DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_BLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_UNBLOCK, drm_noop, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
- DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_IOCTL_AUTH_MAGIC, drm_authmagic, DRM_AUTH|DRM_MASTER),
DRM_IOCTL_DEF(DRM_IOCTL_ADD_MAP, drm_addmap_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_IOCTL_RM_MAP, drm_rmmap_ioctl, DRM_AUTH),
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7f2728b..a1cab5d 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -61,6 +61,10 @@
/* use +hsync +vsync for detailed mode */
#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
+#define LEVEL_DMT 0
+#define LEVEL_GTF 1
+#define LEVEL_CVT 2
+
static struct edid_quirk {
char *vendor;
int product_id;
@@ -240,25 +244,31 @@
/**
* drm_mode_std - convert standard mode info (width, height, refresh) into mode
* @t: standard timing params
+ * @timing_level: standard timing level
*
* Take the standard timing params (in this case width, aspect, and refresh)
- * and convert them into a real mode using CVT.
+ * and convert them into a real mode using CVT/GTF/DMT.
*
* Punts for now, but should eventually use the FB layer's CVT based mode
* generation code.
*/
struct drm_display_mode *drm_mode_std(struct drm_device *dev,
- struct std_timing *t)
+ struct std_timing *t,
+ int timing_level)
{
struct drm_display_mode *mode;
- int hsize = t->hsize * 8 + 248, vsize;
+ int hsize, vsize;
+ int vrefresh_rate;
unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
>> EDID_TIMING_ASPECT_SHIFT;
+ unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
+ >> EDID_TIMING_VFREQ_SHIFT;
- mode = drm_mode_create(dev);
- if (!mode)
- return NULL;
-
+ /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
+ hsize = t->hsize * 8 + 248;
+ /* vrefresh_rate = vfreq + 60 */
+ vrefresh_rate = vfreq + 60;
+ /* the vdisplay is calculated based on the aspect ratio */
if (aspect_ratio == 0)
vsize = (hsize * 10) / 16;
else if (aspect_ratio == 1)
@@ -268,8 +278,23 @@
else
vsize = (hsize * 9) / 16;
- drm_mode_set_name(mode);
-
+ mode = NULL;
+ switch (timing_level) {
+ case LEVEL_DMT:
+ mode = drm_mode_create(dev);
+ if (mode) {
+ mode->hdisplay = hsize;
+ mode->vdisplay = vsize;
+ drm_mode_set_name(mode);
+ }
+ break;
+ case LEVEL_GTF:
+ mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
+ break;
+ case LEVEL_CVT:
+ mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
+ break;
+ }
return mode;
}
@@ -451,6 +476,19 @@
return modes;
}
+/**
+ * stanard_timing_level - get std. timing level(CVT/GTF/DMT)
+ * @edid: EDID block to scan
+ */
+static int standard_timing_level(struct edid *edid)
+{
+ if (edid->revision >= 2) {
+ if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
+ return LEVEL_CVT;
+ return LEVEL_GTF;
+ }
+ return LEVEL_DMT;
+}
/**
* add_standard_modes - get std. modes from EDID and add them
@@ -463,6 +501,9 @@
{
struct drm_device *dev = connector->dev;
int i, modes = 0;
+ int timing_level;
+
+ timing_level = standard_timing_level(edid);
for (i = 0; i < EDID_STD_TIMINGS; i++) {
struct std_timing *t = &edid->standard_timings[i];
@@ -472,7 +513,8 @@
if (t->hsize == 1 && t->vfreq_aspect == 1)
continue;
- newmode = drm_mode_std(dev, &edid->standard_timings[i]);
+ newmode = drm_mode_std(dev, &edid->standard_timings[i],
+ timing_level);
if (newmode) {
drm_mode_probed_add(connector, newmode);
modes++;
@@ -496,6 +538,9 @@
{
struct drm_device *dev = connector->dev;
int i, j, modes = 0;
+ int timing_level;
+
+ timing_level = standard_timing_level(edid);
for (i = 0; i < EDID_DETAILED_TIMINGS; i++) {
struct detailed_timing *timing = &edid->detailed_timings[i];
@@ -525,7 +570,8 @@
struct drm_display_mode *newmode;
std = &data->data.timings[j];
- newmode = drm_mode_std(dev, std);
+ newmode = drm_mode_std(dev, std,
+ timing_level);
if (newmode) {
drm_mode_probed_add(connector, newmode);
modes++;
diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
new file mode 100644
index 0000000..f018469
--- /dev/null
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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 "drm_encoder_slave.h"
+
+/**
+ * drm_i2c_encoder_init - Initialize an I2C slave encoder
+ * @dev: DRM device.
+ * @encoder: Encoder to be attached to the I2C device. You aren't
+ * required to have called drm_encoder_init() before.
+ * @adap: I2C adapter that will be used to communicate with
+ * the device.
+ * @info: Information that will be used to create the I2C device.
+ * Required fields are @addr and @type.
+ *
+ * Create an I2C device on the specified bus (the module containing its
+ * driver is transparently loaded) and attach it to the specified
+ * &drm_encoder_slave. The @slave_funcs field will be initialized with
+ * the hooks provided by the slave driver.
+ *
+ * Returns 0 on success or a negative errno on failure, in particular,
+ * -ENODEV is returned when no matching driver is found.
+ */
+int drm_i2c_encoder_init(struct drm_device *dev,
+ struct drm_encoder_slave *encoder,
+ struct i2c_adapter *adap,
+ const struct i2c_board_info *info)
+{
+ char modalias[sizeof(I2C_MODULE_PREFIX)
+ + I2C_NAME_SIZE];
+ struct module *module = NULL;
+ struct i2c_client *client;
+ struct drm_i2c_encoder_driver *encoder_drv;
+ int err = 0;
+
+ snprintf(modalias, sizeof(modalias),
+ "%s%s", I2C_MODULE_PREFIX, info->type);
+ request_module(modalias);
+
+ client = i2c_new_device(adap, info);
+ if (!client) {
+ err = -ENOMEM;
+ goto fail;
+ }
+
+ if (!client->driver) {
+ err = -ENODEV;
+ goto fail_unregister;
+ }
+
+ module = client->driver->driver.owner;
+ if (!try_module_get(module)) {
+ err = -ENODEV;
+ goto fail_unregister;
+ }
+
+ encoder->bus_priv = client;
+
+ encoder_drv = to_drm_i2c_encoder_driver(client->driver);
+
+ err = encoder_drv->encoder_init(client, dev, encoder);
+ if (err)
+ goto fail_unregister;
+
+ return 0;
+
+fail_unregister:
+ i2c_unregister_device(client);
+ module_put(module);
+fail:
+ return err;
+}
+EXPORT_SYMBOL(drm_i2c_encoder_init);
+
+/**
+ * drm_i2c_encoder_destroy - Unregister the I2C device backing an encoder
+ * @drm_encoder: Encoder to be unregistered.
+ *
+ * This should be called from the @destroy method of an I2C slave
+ * encoder driver once I2C access is no longer needed.
+ */
+void drm_i2c_encoder_destroy(struct drm_encoder *drm_encoder)
+{
+ struct drm_encoder_slave *encoder = to_encoder_slave(drm_encoder);
+ struct i2c_client *client = drm_i2c_encoder_get_client(drm_encoder);
+ struct module *module = client->driver->driver.owner;
+
+ i2c_unregister_device(client);
+ encoder->bus_priv = NULL;
+
+ module_put(module);
+}
+EXPORT_SYMBOL(drm_i2c_encoder_destroy);
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 7914097..ab6e70e 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -8,6 +8,8 @@
* Copyright © 2007 Dave Airlie
* Copyright © 2007-2008 Intel Corporation
* Jesse Barnes <jesse.barnes@intel.com>
+ * Copyright 2005-2006 Luc Verhaegen
+ * Copyright (c) 2001, Andy Ritger aritger@nvidia.com
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -38,7 +40,6 @@
#include "drm.h"
#include "drm_crtc.h"
-#define DRM_MODESET_DEBUG "drm_mode"
/**
* drm_mode_debug_printmodeline - debug print a mode
* @dev: DRM device
@@ -51,8 +52,8 @@
*/
void drm_mode_debug_printmodeline(struct drm_display_mode *mode)
{
- DRM_DEBUG_MODE(DRM_MODESET_DEBUG,
- "Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
+ DRM_DEBUG_KMS("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d "
+ "0x%x 0x%x\n",
mode->base.id, mode->name, mode->vrefresh, mode->clock,
mode->hdisplay, mode->hsync_start,
mode->hsync_end, mode->htotal,
@@ -62,6 +63,420 @@
EXPORT_SYMBOL(drm_mode_debug_printmodeline);
/**
+ * drm_cvt_mode -create a modeline based on CVT algorithm
+ * @dev: DRM device
+ * @hdisplay: hdisplay size
+ * @vdisplay: vdisplay size
+ * @vrefresh : vrefresh rate
+ * @reduced : Whether the GTF calculation is simplified
+ * @interlaced:Whether the interlace is supported
+ *
+ * LOCKING:
+ * none.
+ *
+ * return the modeline based on CVT algorithm
+ *
+ * This function is called to generate the modeline based on CVT algorithm
+ * according to the hdisplay, vdisplay, vrefresh.
+ * It is based from the VESA(TM) Coordinated Video Timing Generator by
+ * Graham Loveridge April 9, 2003 available at
+ * http://www.vesa.org/public/CVT/CVTd6r1.xls
+ *
+ * And it is copied from xf86CVTmode in xserver/hw/xfree86/modes/xf86cvt.c.
+ * What I have done is to translate it by using integer calculation.
+ */
+#define HV_FACTOR 1000
+struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
+ int vdisplay, int vrefresh,
+ bool reduced, bool interlaced)
+{
+ /* 1) top/bottom margin size (% of height) - default: 1.8, */
+#define CVT_MARGIN_PERCENTAGE 18
+ /* 2) character cell horizontal granularity (pixels) - default 8 */
+#define CVT_H_GRANULARITY 8
+ /* 3) Minimum vertical porch (lines) - default 3 */
+#define CVT_MIN_V_PORCH 3
+ /* 4) Minimum number of vertical back porch lines - default 6 */
+#define CVT_MIN_V_BPORCH 6
+ /* Pixel Clock step (kHz) */
+#define CVT_CLOCK_STEP 250
+ struct drm_display_mode *drm_mode;
+ bool margins = false;
+ unsigned int vfieldrate, hperiod;
+ int hdisplay_rnd, hmargin, vdisplay_rnd, vmargin, vsync;
+ int interlace;
+
+ /* allocate the drm_display_mode structure. If failure, we will
+ * return directly
+ */
+ drm_mode = drm_mode_create(dev);
+ if (!drm_mode)
+ return NULL;
+
+ /* the CVT default refresh rate is 60Hz */
+ if (!vrefresh)
+ vrefresh = 60;
+
+ /* the required field fresh rate */
+ if (interlaced)
+ vfieldrate = vrefresh * 2;
+ else
+ vfieldrate = vrefresh;
+
+ /* horizontal pixels */
+ hdisplay_rnd = hdisplay - (hdisplay % CVT_H_GRANULARITY);
+
+ /* determine the left&right borders */
+ hmargin = 0;
+ if (margins) {
+ hmargin = hdisplay_rnd * CVT_MARGIN_PERCENTAGE / 1000;
+ hmargin -= hmargin % CVT_H_GRANULARITY;
+ }
+ /* find the total active pixels */
+ drm_mode->hdisplay = hdisplay_rnd + 2 * hmargin;
+
+ /* find the number of lines per field */
+ if (interlaced)
+ vdisplay_rnd = vdisplay / 2;
+ else
+ vdisplay_rnd = vdisplay;
+
+ /* find the top & bottom borders */
+ vmargin = 0;
+ if (margins)
+ vmargin = vdisplay_rnd * CVT_MARGIN_PERCENTAGE / 1000;
+
+ drm_mode->vdisplay = vdisplay + 2 * vmargin;
+
+ /* Interlaced */
+ if (interlaced)
+ interlace = 1;
+ else
+ interlace = 0;
+
+ /* Determine VSync Width from aspect ratio */
+ if (!(vdisplay % 3) && ((vdisplay * 4 / 3) == hdisplay))
+ vsync = 4;
+ else if (!(vdisplay % 9) && ((vdisplay * 16 / 9) == hdisplay))
+ vsync = 5;
+ else if (!(vdisplay % 10) && ((vdisplay * 16 / 10) == hdisplay))
+ vsync = 6;
+ else if (!(vdisplay % 4) && ((vdisplay * 5 / 4) == hdisplay))
+ vsync = 7;
+ else if (!(vdisplay % 9) && ((vdisplay * 15 / 9) == hdisplay))
+ vsync = 7;
+ else /* custom */
+ vsync = 10;
+
+ if (!reduced) {
+ /* simplify the GTF calculation */
+ /* 4) Minimum time of vertical sync + back porch interval (µs)
+ * default 550.0
+ */
+ int tmp1, tmp2;
+#define CVT_MIN_VSYNC_BP 550
+ /* 3) Nominal HSync width (% of line period) - default 8 */
+#define CVT_HSYNC_PERCENTAGE 8
+ unsigned int hblank_percentage;
+ int vsyncandback_porch, vback_porch, hblank;
+
+ /* estimated the horizontal period */
+ tmp1 = HV_FACTOR * 1000000 -
+ CVT_MIN_VSYNC_BP * HV_FACTOR * vfieldrate;
+ tmp2 = (vdisplay_rnd + 2 * vmargin + CVT_MIN_V_PORCH) * 2 +
+ interlace;
+ hperiod = tmp1 * 2 / (tmp2 * vfieldrate);
+
+ tmp1 = CVT_MIN_VSYNC_BP * HV_FACTOR / hperiod + 1;
+ /* 9. Find number of lines in sync + backporch */
+ if (tmp1 < (vsync + CVT_MIN_V_PORCH))
+ vsyncandback_porch = vsync + CVT_MIN_V_PORCH;
+ else
+ vsyncandback_porch = tmp1;
+ /* 10. Find number of lines in back porch */
+ vback_porch = vsyncandback_porch - vsync;
+ drm_mode->vtotal = vdisplay_rnd + 2 * vmargin +
+ vsyncandback_porch + CVT_MIN_V_PORCH;
+ /* 5) Definition of Horizontal blanking time limitation */
+ /* Gradient (%/kHz) - default 600 */
+#define CVT_M_FACTOR 600
+ /* Offset (%) - default 40 */
+#define CVT_C_FACTOR 40
+ /* Blanking time scaling factor - default 128 */
+#define CVT_K_FACTOR 128
+ /* Scaling factor weighting - default 20 */
+#define CVT_J_FACTOR 20
+#define CVT_M_PRIME (CVT_M_FACTOR * CVT_K_FACTOR / 256)
+#define CVT_C_PRIME ((CVT_C_FACTOR - CVT_J_FACTOR) * CVT_K_FACTOR / 256 + \
+ CVT_J_FACTOR)
+ /* 12. Find ideal blanking duty cycle from formula */
+ hblank_percentage = CVT_C_PRIME * HV_FACTOR - CVT_M_PRIME *
+ hperiod / 1000;
+ /* 13. Blanking time */
+ if (hblank_percentage < 20 * HV_FACTOR)
+ hblank_percentage = 20 * HV_FACTOR;
+ hblank = drm_mode->hdisplay * hblank_percentage /
+ (100 * HV_FACTOR - hblank_percentage);
+ hblank -= hblank % (2 * CVT_H_GRANULARITY);
+ /* 14. find the total pixes per line */
+ drm_mode->htotal = drm_mode->hdisplay + hblank;
+ drm_mode->hsync_end = drm_mode->hdisplay + hblank / 2;
+ drm_mode->hsync_start = drm_mode->hsync_end -
+ (drm_mode->htotal * CVT_HSYNC_PERCENTAGE) / 100;
+ drm_mode->hsync_start += CVT_H_GRANULARITY -
+ drm_mode->hsync_start % CVT_H_GRANULARITY;
+ /* fill the Vsync values */
+ drm_mode->vsync_start = drm_mode->vdisplay + CVT_MIN_V_PORCH;
+ drm_mode->vsync_end = drm_mode->vsync_start + vsync;
+ } else {
+ /* Reduced blanking */
+ /* Minimum vertical blanking interval time (µs)- default 460 */
+#define CVT_RB_MIN_VBLANK 460
+ /* Fixed number of clocks for horizontal sync */
+#define CVT_RB_H_SYNC 32
+ /* Fixed number of clocks for horizontal blanking */
+#define CVT_RB_H_BLANK 160
+ /* Fixed number of lines for vertical front porch - default 3*/
+#define CVT_RB_VFPORCH 3
+ int vbilines;
+ int tmp1, tmp2;
+ /* 8. Estimate Horizontal period. */
+ tmp1 = HV_FACTOR * 1000000 -
+ CVT_RB_MIN_VBLANK * HV_FACTOR * vfieldrate;
+ tmp2 = vdisplay_rnd + 2 * vmargin;
+ hperiod = tmp1 / (tmp2 * vfieldrate);
+ /* 9. Find number of lines in vertical blanking */
+ vbilines = CVT_RB_MIN_VBLANK * HV_FACTOR / hperiod + 1;
+ /* 10. Check if vertical blanking is sufficient */
+ if (vbilines < (CVT_RB_VFPORCH + vsync + CVT_MIN_V_BPORCH))
+ vbilines = CVT_RB_VFPORCH + vsync + CVT_MIN_V_BPORCH;
+ /* 11. Find total number of lines in vertical field */
+ drm_mode->vtotal = vdisplay_rnd + 2 * vmargin + vbilines;
+ /* 12. Find total number of pixels in a line */
+ drm_mode->htotal = drm_mode->hdisplay + CVT_RB_H_BLANK;
+ /* Fill in HSync values */
+ drm_mode->hsync_end = drm_mode->hdisplay + CVT_RB_H_BLANK / 2;
+ drm_mode->hsync_start = drm_mode->hsync_end = CVT_RB_H_SYNC;
+ }
+ /* 15/13. Find pixel clock frequency (kHz for xf86) */
+ drm_mode->clock = drm_mode->htotal * HV_FACTOR * 1000 / hperiod;
+ drm_mode->clock -= drm_mode->clock % CVT_CLOCK_STEP;
+ /* 18/16. Find actual vertical frame frequency */
+ /* ignore - just set the mode flag for interlaced */
+ if (interlaced)
+ drm_mode->vtotal *= 2;
+ /* Fill the mode line name */
+ drm_mode_set_name(drm_mode);
+ if (reduced)
+ drm_mode->flags |= (DRM_MODE_FLAG_PHSYNC |
+ DRM_MODE_FLAG_NVSYNC);
+ else
+ drm_mode->flags |= (DRM_MODE_FLAG_PVSYNC |
+ DRM_MODE_FLAG_NHSYNC);
+ if (interlaced)
+ drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
+
+ return drm_mode;
+}
+EXPORT_SYMBOL(drm_cvt_mode);
+
+/**
+ * drm_gtf_mode - create the modeline based on GTF algorithm
+ *
+ * @dev :drm device
+ * @hdisplay :hdisplay size
+ * @vdisplay :vdisplay size
+ * @vrefresh :vrefresh rate.
+ * @interlaced :whether the interlace is supported
+ * @margins :whether the margin is supported
+ *
+ * LOCKING.
+ * none.
+ *
+ * return the modeline based on GTF algorithm
+ *
+ * This function is to create the modeline based on the GTF algorithm.
+ * Generalized Timing Formula is derived from:
+ * GTF Spreadsheet by Andy Morrish (1/5/97)
+ * available at http://www.vesa.org
+ *
+ * And it is copied from the file of xserver/hw/xfree86/modes/xf86gtf.c.
+ * What I have done is to translate it by using integer calculation.
+ * I also refer to the function of fb_get_mode in the file of
+ * drivers/video/fbmon.c
+ */
+struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay,
+ int vdisplay, int vrefresh,
+ bool interlaced, int margins)
+{
+ /* 1) top/bottom margin size (% of height) - default: 1.8, */
+#define GTF_MARGIN_PERCENTAGE 18
+ /* 2) character cell horizontal granularity (pixels) - default 8 */
+#define GTF_CELL_GRAN 8
+ /* 3) Minimum vertical porch (lines) - default 3 */
+#define GTF_MIN_V_PORCH 1
+ /* width of vsync in lines */
+#define V_SYNC_RQD 3
+ /* width of hsync as % of total line */
+#define H_SYNC_PERCENT 8
+ /* min time of vsync + back porch (microsec) */
+#define MIN_VSYNC_PLUS_BP 550
+ /* blanking formula gradient */
+#define GTF_M 600
+ /* blanking formula offset */
+#define GTF_C 40
+ /* blanking formula scaling factor */
+#define GTF_K 128
+ /* blanking formula scaling factor */
+#define GTF_J 20
+ /* C' and M' are part of the Blanking Duty Cycle computation */
+#define GTF_C_PRIME (((GTF_C - GTF_J) * GTF_K / 256) + GTF_J)
+#define GTF_M_PRIME (GTF_K * GTF_M / 256)
+ struct drm_display_mode *drm_mode;
+ unsigned int hdisplay_rnd, vdisplay_rnd, vfieldrate_rqd;
+ int top_margin, bottom_margin;
+ int interlace;
+ unsigned int hfreq_est;
+ int vsync_plus_bp, vback_porch;
+ unsigned int vtotal_lines, vfieldrate_est, hperiod;
+ unsigned int vfield_rate, vframe_rate;
+ int left_margin, right_margin;
+ unsigned int total_active_pixels, ideal_duty_cycle;
+ unsigned int hblank, total_pixels, pixel_freq;
+ int hsync, hfront_porch, vodd_front_porch_lines;
+ unsigned int tmp1, tmp2;
+
+ drm_mode = drm_mode_create(dev);
+ if (!drm_mode)
+ return NULL;
+
+ /* 1. In order to give correct results, the number of horizontal
+ * pixels requested is first processed to ensure that it is divisible
+ * by the character size, by rounding it to the nearest character
+ * cell boundary:
+ */
+ hdisplay_rnd = (hdisplay + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN;
+ hdisplay_rnd = hdisplay_rnd * GTF_CELL_GRAN;
+
+ /* 2. If interlace is requested, the number of vertical lines assumed
+ * by the calculation must be halved, as the computation calculates
+ * the number of vertical lines per field.
+ */
+ if (interlaced)
+ vdisplay_rnd = vdisplay / 2;
+ else
+ vdisplay_rnd = vdisplay;
+
+ /* 3. Find the frame rate required: */
+ if (interlaced)
+ vfieldrate_rqd = vrefresh * 2;
+ else
+ vfieldrate_rqd = vrefresh;
+
+ /* 4. Find number of lines in Top margin: */
+ top_margin = 0;
+ if (margins)
+ top_margin = (vdisplay_rnd * GTF_MARGIN_PERCENTAGE + 500) /
+ 1000;
+ /* 5. Find number of lines in bottom margin: */
+ bottom_margin = top_margin;
+
+ /* 6. If interlace is required, then set variable interlace: */
+ if (interlaced)
+ interlace = 1;
+ else
+ interlace = 0;
+
+ /* 7. Estimate the Horizontal frequency */
+ {
+ tmp1 = (1000000 - MIN_VSYNC_PLUS_BP * vfieldrate_rqd) / 500;
+ tmp2 = (vdisplay_rnd + 2 * top_margin + GTF_MIN_V_PORCH) *
+ 2 + interlace;
+ hfreq_est = (tmp2 * 1000 * vfieldrate_rqd) / tmp1;
+ }
+
+ /* 8. Find the number of lines in V sync + back porch */
+ /* [V SYNC+BP] = RINT(([MIN VSYNC+BP] * hfreq_est / 1000000)) */
+ vsync_plus_bp = MIN_VSYNC_PLUS_BP * hfreq_est / 1000;
+ vsync_plus_bp = (vsync_plus_bp + 500) / 1000;
+ /* 9. Find the number of lines in V back porch alone: */
+ vback_porch = vsync_plus_bp - V_SYNC_RQD;
+ /* 10. Find the total number of lines in Vertical field period: */
+ vtotal_lines = vdisplay_rnd + top_margin + bottom_margin +
+ vsync_plus_bp + GTF_MIN_V_PORCH;
+ /* 11. Estimate the Vertical field frequency: */
+ vfieldrate_est = hfreq_est / vtotal_lines;
+ /* 12. Find the actual horizontal period: */
+ hperiod = 1000000 / (vfieldrate_rqd * vtotal_lines);
+
+ /* 13. Find the actual Vertical field frequency: */
+ vfield_rate = hfreq_est / vtotal_lines;
+ /* 14. Find the Vertical frame frequency: */
+ if (interlaced)
+ vframe_rate = vfield_rate / 2;
+ else
+ vframe_rate = vfield_rate;
+ /* 15. Find number of pixels in left margin: */
+ if (margins)
+ left_margin = (hdisplay_rnd * GTF_MARGIN_PERCENTAGE + 500) /
+ 1000;
+ else
+ left_margin = 0;
+
+ /* 16.Find number of pixels in right margin: */
+ right_margin = left_margin;
+ /* 17.Find total number of active pixels in image and left and right */
+ total_active_pixels = hdisplay_rnd + left_margin + right_margin;
+ /* 18.Find the ideal blanking duty cycle from blanking duty cycle */
+ ideal_duty_cycle = GTF_C_PRIME * 1000 -
+ (GTF_M_PRIME * 1000000 / hfreq_est);
+ /* 19.Find the number of pixels in the blanking time to the nearest
+ * double character cell: */
+ hblank = total_active_pixels * ideal_duty_cycle /
+ (100000 - ideal_duty_cycle);
+ hblank = (hblank + GTF_CELL_GRAN) / (2 * GTF_CELL_GRAN);
+ hblank = hblank * 2 * GTF_CELL_GRAN;
+ /* 20.Find total number of pixels: */
+ total_pixels = total_active_pixels + hblank;
+ /* 21.Find pixel clock frequency: */
+ pixel_freq = total_pixels * hfreq_est / 1000;
+ /* Stage 1 computations are now complete; I should really pass
+ * the results to another function and do the Stage 2 computations,
+ * but I only need a few more values so I'll just append the
+ * computations here for now */
+ /* 17. Find the number of pixels in the horizontal sync period: */
+ hsync = H_SYNC_PERCENT * total_pixels / 100;
+ hsync = (hsync + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN;
+ hsync = hsync * GTF_CELL_GRAN;
+ /* 18. Find the number of pixels in horizontal front porch period */
+ hfront_porch = hblank / 2 - hsync;
+ /* 36. Find the number of lines in the odd front porch period: */
+ vodd_front_porch_lines = GTF_MIN_V_PORCH ;
+
+ /* finally, pack the results in the mode struct */
+ drm_mode->hdisplay = hdisplay_rnd;
+ drm_mode->hsync_start = hdisplay_rnd + hfront_porch;
+ drm_mode->hsync_end = drm_mode->hsync_start + hsync;
+ drm_mode->htotal = total_pixels;
+ drm_mode->vdisplay = vdisplay_rnd;
+ drm_mode->vsync_start = vdisplay_rnd + vodd_front_porch_lines;
+ drm_mode->vsync_end = drm_mode->vsync_start + V_SYNC_RQD;
+ drm_mode->vtotal = vtotal_lines;
+
+ drm_mode->clock = pixel_freq;
+
+ drm_mode_set_name(drm_mode);
+ drm_mode->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC;
+
+ if (interlaced) {
+ drm_mode->vtotal *= 2;
+ drm_mode->flags |= DRM_MODE_FLAG_INTERLACE;
+ }
+
+ return drm_mode;
+}
+EXPORT_SYMBOL(drm_gtf_mode);
+/**
* drm_mode_set_name - set the name on a mode
* @mode: name will be set in this mode
*
@@ -403,8 +818,7 @@
list_del(&mode->head);
if (verbose) {
drm_mode_debug_printmodeline(mode);
- DRM_DEBUG_MODE(DRM_MODESET_DEBUG,
- "Not using %s mode %d\n",
+ DRM_DEBUG_KMS("Not using %s mode %d\n",
mode->name, mode->status);
}
drm_mode_destroy(dev, mode);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 85ec31b..de15455 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -16,6 +16,7 @@
#include <linux/kdev_t.h>
#include <linux/err.h>
+#include "drm_sysfs.h"
#include "drm_core.h"
#include "drmP.h"
@@ -247,6 +248,7 @@
case DRM_MODE_CONNECTOR_Composite:
case DRM_MODE_CONNECTOR_SVIDEO:
case DRM_MODE_CONNECTOR_Component:
+ case DRM_MODE_CONNECTOR_TV:
prop = dev->mode_config.tv_subconnector_property;
is_tv = 1;
break;
@@ -287,6 +289,7 @@
case DRM_MODE_CONNECTOR_Composite:
case DRM_MODE_CONNECTOR_SVIDEO:
case DRM_MODE_CONNECTOR_Component:
+ case DRM_MODE_CONNECTOR_TV:
prop = dev->mode_config.tv_select_subconnector_property;
is_tv = 1;
break;
@@ -385,6 +388,7 @@
case DRM_MODE_CONNECTOR_Composite:
case DRM_MODE_CONNECTOR_SVIDEO:
case DRM_MODE_CONNECTOR_Component:
+ case DRM_MODE_CONNECTOR_TV:
for (i = 0; i < ARRAY_SIZE(connector_attrs_opt1); i++) {
ret = device_create_file(&connector->kdev, &connector_attrs_opt1[i]);
if (ret)
@@ -512,3 +516,27 @@
{
device_unregister(&minor->kdev);
}
+
+
+/**
+ * drm_class_device_register - Register a struct device in the drm class.
+ *
+ * @dev: pointer to struct device to register.
+ *
+ * @dev should have all relevant members pre-filled with the exception
+ * of the class member. In particular, the device_type member must
+ * be set.
+ */
+
+int drm_class_device_register(struct device *dev)
+{
+ dev->class = drm_class;
+ return device_register(dev);
+}
+EXPORT_SYMBOL_GPL(drm_class_device_register);
+
+void drm_class_device_unregister(struct device *dev)
+{
+ return device_unregister(dev);
+}
+EXPORT_SYMBOL_GPL(drm_class_device_unregister);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 50d1f78..544d889 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -33,8 +33,6 @@
#include "i915_drm.h"
#include "i915_drv.h"
-#define I915_DRV "i915_drv"
-
/* Really want an OS-independent resettable timer. Would like to have
* this loop run for (eg) 3 sec, but have the timer reset every time
* the head pointer changes, so that EBUSY only happens if the ring
@@ -101,7 +99,7 @@
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
- DRM_DEBUG_DRIVER(I915_DRV, "Enabled hardware status page\n");
+ DRM_DEBUG_DRIVER("Enabled hardware status page\n");
return 0;
}
@@ -187,8 +185,7 @@
master_priv->sarea_priv = (drm_i915_sarea_t *)
((u8 *)master_priv->sarea->handle + init->sarea_priv_offset);
} else {
- DRM_DEBUG_DRIVER(I915_DRV,
- "sarea not found assuming DRI2 userspace\n");
+ DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n");
}
if (init->ring_size != 0) {
@@ -238,7 +235,7 @@
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
- DRM_DEBUG_DRIVER(I915_DRV, "%s\n", __func__);
+ DRM_DEBUG_DRIVER("%s\n", __func__);
if (dev_priv->ring.map.handle == NULL) {
DRM_ERROR("can not ioremap virtual address for"
@@ -251,14 +248,14 @@
DRM_ERROR("Can not find hardware status page\n");
return -EINVAL;
}
- DRM_DEBUG_DRIVER(I915_DRV, "hw status page @ %p\n",
+ DRM_DEBUG_DRIVER("hw status page @ %p\n",
dev_priv->hw_status_page);
if (dev_priv->status_gfx_addr != 0)
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
else
I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
- DRM_DEBUG_DRIVER(I915_DRV, "Enabled hardware status page\n");
+ DRM_DEBUG_DRIVER("Enabled hardware status page\n");
return 0;
}
@@ -552,7 +549,7 @@
if (!master_priv->sarea_priv)
return -EINVAL;
- DRM_DEBUG_DRIVER(I915_DRV, "%s: page=%d pfCurrentPage=%d\n",
+ DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n",
__func__,
dev_priv->current_page,
master_priv->sarea_priv->pf_current_page);
@@ -633,8 +630,7 @@
return -EINVAL;
}
- DRM_DEBUG_DRIVER(I915_DRV,
- "i915 batchbuffer, start %x used %d cliprects %d\n",
+ DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n",
batch->start, batch->used, batch->num_cliprects);
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -681,8 +677,7 @@
void *batch_data;
int ret;
- DRM_DEBUG_DRIVER(I915_DRV,
- "i915 cmdbuffer, buf %p sz %d cliprects %d\n",
+ DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -735,7 +730,7 @@
{
int ret;
- DRM_DEBUG_DRIVER(I915_DRV, "%s\n", __func__);
+ DRM_DEBUG_DRIVER("%s\n", __func__);
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -778,7 +773,7 @@
value = dev_priv->num_fence_regs - dev_priv->fence_reg_start;
break;
default:
- DRM_DEBUG_DRIVER(I915_DRV, "Unknown parameter %d\n",
+ DRM_DEBUG_DRIVER("Unknown parameter %d\n",
param->param);
return -EINVAL;
}
@@ -819,7 +814,7 @@
dev_priv->fence_reg_start = param->value;
break;
default:
- DRM_DEBUG_DRIVER(I915_DRV, "unknown parameter %d\n",
+ DRM_DEBUG_DRIVER("unknown parameter %d\n",
param->param);
return -EINVAL;
}
@@ -846,7 +841,7 @@
return 0;
}
- DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr);
+ DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr);
dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
@@ -868,9 +863,9 @@
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
- DRM_DEBUG_DRIVER(I915_DRV, "load hws HWS_PGA with gfx mem 0x%x\n",
+ DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n",
dev_priv->status_gfx_addr);
- DRM_DEBUG_DRIVER(I915_DRV, "load hws at %p\n",
+ DRM_DEBUG_DRIVER("load hws at %p\n",
dev_priv->hw_status_page);
return 0;
}
@@ -1321,7 +1316,7 @@
{
struct drm_i915_file_private *i915_file_priv;
- DRM_DEBUG_DRIVER(I915_DRV, "\n");
+ DRM_DEBUG_DRIVER("\n");
i915_file_priv = (struct drm_i915_file_private *)
kmalloc(sizeof(*i915_file_priv), GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 3f445a8..b78c550 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -38,16 +38,6 @@
#include "i915_drv.h"
#include <linux/acpi.h>
-#define I915_LVDS "i915_lvds"
-
-/*
- * the following four scaling options are defined.
- * #define DRM_MODE_SCALE_NON_GPU 0
- * #define DRM_MODE_SCALE_FULLSCREEN 1
- * #define DRM_MODE_SCALE_NO_SCALE 2
- * #define DRM_MODE_SCALE_ASPECT 3
- */
-
/* Private structure for the integrated LVDS support */
struct intel_lvds_priv {
int fitting_mode;
@@ -336,7 +326,7 @@
I915_WRITE(BCLRPAT_B, 0);
switch (lvds_priv->fitting_mode) {
- case DRM_MODE_SCALE_NO_SCALE:
+ case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
* heights and modify the values programmed into the CRTC.
@@ -672,9 +662,8 @@
connector->encoder) {
struct drm_crtc *crtc = connector->encoder->crtc;
struct intel_lvds_priv *lvds_priv = intel_output->dev_priv;
- if (value == DRM_MODE_SCALE_NON_GPU) {
- DRM_DEBUG_KMS(I915_LVDS,
- "non_GPU property is unsupported\n");
+ if (value == DRM_MODE_SCALE_NONE) {
+ DRM_DEBUG_KMS("no scaling not supported\n");
return 0;
}
if (lvds_priv->fitting_mode == value) {
@@ -731,8 +720,7 @@
static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
{
- DRM_DEBUG_KMS(I915_LVDS,
- "Skipping LVDS initialization for %s\n", id->ident);
+ DRM_DEBUG_KMS("Skipping LVDS initialization for %s\n", id->ident);
return 1;
}
@@ -1025,7 +1013,7 @@
return;
failed:
- DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n");
+ DRM_DEBUG_KMS("No LVDS modes found, disabling.\n");
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
drm_connector_cleanup(connector);
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 5371d93..91238f0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -37,7 +37,6 @@
#include "intel_sdvo_regs.h"
#undef SDVO_DEBUG
-#define I915_SDVO "i915_sdvo"
struct intel_sdvo_priv {
u8 slave_addr;
@@ -188,7 +187,7 @@
return true;
}
- DRM_DEBUG("i2c transfer returned %d\n", ret);
+ DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
return false;
}
@@ -298,7 +297,7 @@
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
int i;
- DRM_DEBUG_KMS(I915_SDVO, "%s: W: %02X ",
+ DRM_DEBUG_KMS("%s: W: %02X ",
SDVO_NAME(sdvo_priv), cmd);
for (i = 0; i < args_len; i++)
DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
@@ -351,7 +350,7 @@
struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
int i;
- DRM_DEBUG_KMS(I915_SDVO, "%s: R: ", SDVO_NAME(sdvo_priv));
+ DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(sdvo_priv));
for (i = 0; i < response_len; i++)
DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
for (; i < 8; i++)
@@ -668,10 +667,10 @@
status = intel_sdvo_read_response(intel_output, &response, 1);
if (status != SDVO_CMD_STATUS_SUCCESS) {
- DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n");
+ DRM_DEBUG_KMS("Couldn't get SDVO clock rate multiplier\n");
return SDVO_CLOCK_RATE_MULT_1X;
} else {
- DRM_DEBUG("Current clock rate multiplier: %d\n", response);
+ DRM_DEBUG_KMS("Current clock rate multiplier: %d\n", response);
}
return response;
@@ -952,14 +951,14 @@
format = &sdvo_priv->tv_format;
memset(&unset, 0, sizeof(unset));
if (memcmp(format, &unset, sizeof(*format))) {
- DRM_DEBUG("%s: Choosing default TV format of NTSC-M\n",
+ DRM_DEBUG_KMS("%s: Choosing default TV format of NTSC-M\n",
SDVO_NAME(sdvo_priv));
format->ntsc_m = 1;
intel_sdvo_write_cmd(output, SDVO_CMD_SET_TV_FORMAT, format,
sizeof(*format));
status = intel_sdvo_read_response(output, NULL, 0);
if (status != SDVO_CMD_STATUS_SUCCESS)
- DRM_DEBUG("%s: Failed to set TV format\n",
+ DRM_DEBUG_KMS("%s: Failed to set TV format\n",
SDVO_NAME(sdvo_priv));
}
}
@@ -1230,8 +1229,8 @@
* a given it the status is a success, we succeeded.
*/
if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
- DRM_DEBUG("First %s output reported failure to sync\n",
- SDVO_NAME(sdvo_priv));
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(sdvo_priv));
}
if (0)
@@ -1326,8 +1325,8 @@
intel_wait_for_vblank(dev);
status = intel_sdvo_get_trained_inputs(intel_output, &input1, &input2);
if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
- DRM_DEBUG("First %s output reported failure to sync\n",
- SDVO_NAME(sdvo_priv));
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(sdvo_priv));
}
intel_sdvo_set_active_outputs(intel_output, sdvo_priv->save_active_outputs);
@@ -1405,7 +1404,7 @@
u8 response[2];
u8 status;
struct intel_output *intel_output;
- DRM_DEBUG("\n");
+ DRM_DEBUG_KMS("\n");
if (!connector)
return 0;
@@ -1519,7 +1518,7 @@
intel_sdvo_write_cmd(intel_output, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0);
status = intel_sdvo_read_response(intel_output, &response, 2);
- DRM_DEBUG("SDVO response %d %d\n", response & 0xff, response >> 8);
+ DRM_DEBUG_KMS("SDVO response %d %d\n", response & 0xff, response >> 8);
if (status != SDVO_CMD_STATUS_SUCCESS)
return connector_status_unknown;
@@ -2003,10 +2002,9 @@
sdvo_priv->controlled_output = 0;
memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
- DRM_DEBUG_KMS(I915_SDVO,
- "%s: Unknown SDVO output type (0x%02x%02x)\n",
- SDVO_NAME(sdvo_priv),
- bytes[0], bytes[1]);
+ DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
+ SDVO_NAME(sdvo_priv),
+ bytes[0], bytes[1]);
ret = false;
}
@@ -2055,8 +2053,7 @@
/* Read the regs to test if we can talk to the device */
for (i = 0; i < 0x40; i++) {
if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
- DRM_DEBUG_KMS(I915_SDVO,
- "No SDVO device found on SDVO%c\n",
+ DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
output_device == SDVOB ? 'B' : 'C');
goto err_i2c;
}
@@ -2079,7 +2076,7 @@
if (intel_sdvo_output_setup(intel_output,
sdvo_priv->caps.output_flags) != true) {
- DRM_DEBUG("SDVO output failed to setup on SDVO%c\n",
+ DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
output_device == SDVOB ? 'B' : 'C');
goto err_i2c;
}
@@ -2112,7 +2109,7 @@
&sdvo_priv->pixel_clock_max);
- DRM_DEBUG_KMS(I915_SDVO, "%s device VID/DID: %02X:%02X.%02X, "
+ DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
"clock range %dMHz - %dMHz, "
"input 1: %c, input 2: %c, "
"output 1: %c, output 2: %c\n",
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 473e477..10e8af6 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -37,6 +37,7 @@
* TTM.
*/
struct radeon_mman {
+ struct ttm_bo_global_ref bo_global_ref;
struct ttm_global_reference mem_global_ref;
bool mem_global_referenced;
struct ttm_bo_device bdev;
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 15c3531..6f5ad08 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -77,9 +77,25 @@
global_ref->release = &radeon_ttm_mem_global_release;
r = ttm_global_item_ref(global_ref);
if (r != 0) {
- DRM_ERROR("Failed referencing a global TTM memory object.\n");
+ DRM_ERROR("Failed setting up TTM memory accounting "
+ "subsystem.\n");
return r;
}
+
+ rdev->mman.bo_global_ref.mem_glob =
+ rdev->mman.mem_global_ref.object;
+ global_ref = &rdev->mman.bo_global_ref.ref;
+ global_ref->global_type = TTM_GLOBAL_TTM_BO;
+ global_ref->size = sizeof(struct ttm_mem_global);
+ global_ref->init = &ttm_bo_global_init;
+ global_ref->release = &ttm_bo_global_release;
+ r = ttm_global_item_ref(global_ref);
+ if (r != 0) {
+ DRM_ERROR("Failed setting up TTM BO subsystem.\n");
+ ttm_global_item_unref(&rdev->mman.mem_global_ref);
+ return r;
+ }
+
rdev->mman.mem_global_referenced = true;
return 0;
}
@@ -87,6 +103,7 @@
static void radeon_ttm_global_fini(struct radeon_device *rdev)
{
if (rdev->mman.mem_global_referenced) {
+ ttm_global_item_unref(&rdev->mman.bo_global_ref.ref);
ttm_global_item_unref(&rdev->mman.mem_global_ref);
rdev->mman.mem_global_referenced = false;
}
@@ -286,9 +303,11 @@
r = ttm_bo_move_ttm(bo, true, no_wait, new_mem);
out_cleanup:
if (tmp_mem.mm_node) {
- spin_lock(&rdev->mman.bdev.lru_lock);
+ struct ttm_bo_global *glob = rdev->mman.bdev.glob;
+
+ spin_lock(&glob->lru_lock);
drm_mm_put_block(tmp_mem.mm_node);
- spin_unlock(&rdev->mman.bdev.lru_lock);
+ spin_unlock(&glob->lru_lock);
return r;
}
return r;
@@ -323,9 +342,11 @@
}
out_cleanup:
if (tmp_mem.mm_node) {
- spin_lock(&rdev->mman.bdev.lru_lock);
+ struct ttm_bo_global *glob = rdev->mman.bdev.glob;
+
+ spin_lock(&glob->lru_lock);
drm_mm_put_block(tmp_mem.mm_node);
- spin_unlock(&rdev->mman.bdev.lru_lock);
+ spin_unlock(&glob->lru_lock);
return r;
}
return r;
@@ -446,7 +467,7 @@
}
/* No others user of address space so set it to 0 */
r = ttm_bo_device_init(&rdev->mman.bdev,
- rdev->mman.mem_global_ref.object,
+ rdev->mman.bo_global_ref.ref.object,
&radeon_bo_driver, DRM_FILE_PAGE_OFFSET,
rdev->need_dma32);
if (r) {
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index c2b0d71..fa87ccb 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -44,6 +44,39 @@
static int ttm_bo_setup_vm(struct ttm_buffer_object *bo);
static int ttm_bo_swapout(struct ttm_mem_shrink *shrink);
+static void ttm_bo_global_kobj_release(struct kobject *kobj);
+
+static struct attribute ttm_bo_count = {
+ .name = "bo_count",
+ .mode = S_IRUGO
+};
+
+static ssize_t ttm_bo_global_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buffer)
+{
+ struct ttm_bo_global *glob =
+ container_of(kobj, struct ttm_bo_global, kobj);
+
+ return snprintf(buffer, PAGE_SIZE, "%lu\n",
+ (unsigned long) atomic_read(&glob->bo_count));
+}
+
+static struct attribute *ttm_bo_global_attrs[] = {
+ &ttm_bo_count,
+ NULL
+};
+
+static struct sysfs_ops ttm_bo_global_ops = {
+ .show = &ttm_bo_global_show
+};
+
+static struct kobj_type ttm_bo_glob_kobj_type = {
+ .release = &ttm_bo_global_kobj_release,
+ .sysfs_ops = &ttm_bo_global_ops,
+ .default_attrs = ttm_bo_global_attrs
+};
+
static inline uint32_t ttm_bo_type_flags(unsigned type)
{
@@ -66,10 +99,11 @@
if (bo->ttm)
ttm_tt_destroy(bo->ttm);
+ atomic_dec(&bo->glob->bo_count);
if (bo->destroy)
bo->destroy(bo);
else {
- ttm_mem_global_free(bdev->mem_glob, bo->acc_size, false);
+ ttm_mem_global_free(bdev->glob->mem_glob, bo->acc_size);
kfree(bo);
}
}
@@ -106,7 +140,7 @@
kref_get(&bo->list_kref);
if (bo->ttm != NULL) {
- list_add_tail(&bo->swap, &bdev->swap_lru);
+ list_add_tail(&bo->swap, &bo->glob->swap_lru);
kref_get(&bo->list_kref);
}
}
@@ -141,7 +175,7 @@
bool interruptible,
bool no_wait, bool use_sequence, uint32_t sequence)
{
- struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
int ret;
while (unlikely(atomic_cmpxchg(&bo->reserved, 0, 1) != 0)) {
@@ -153,9 +187,9 @@
if (no_wait)
return -EBUSY;
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
ret = ttm_bo_wait_unreserved(bo, interruptible);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (unlikely(ret))
return ret;
@@ -181,16 +215,16 @@
bool interruptible,
bool no_wait, bool use_sequence, uint32_t sequence)
{
- struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
int put_count = 0;
int ret;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
ret = ttm_bo_reserve_locked(bo, interruptible, no_wait, use_sequence,
sequence);
if (likely(ret == 0))
put_count = ttm_bo_del_from_lru(bo);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
while (put_count--)
kref_put(&bo->list_kref, ttm_bo_ref_bug);
@@ -200,13 +234,13 @@
void ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
ttm_bo_add_to_lru(bo);
atomic_set(&bo->reserved, 0);
wake_up_all(&bo->event_queue);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
}
EXPORT_SYMBOL(ttm_bo_unreserve);
@@ -217,6 +251,7 @@
static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
{
struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
int ret = 0;
uint32_t page_flags = 0;
@@ -232,14 +267,14 @@
page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC;
case ttm_bo_type_kernel:
bo->ttm = ttm_tt_create(bdev, bo->num_pages << PAGE_SHIFT,
- page_flags, bdev->dummy_read_page);
+ page_flags, glob->dummy_read_page);
if (unlikely(bo->ttm == NULL))
ret = -ENOMEM;
break;
case ttm_bo_type_user:
bo->ttm = ttm_tt_create(bdev, bo->num_pages << PAGE_SHIFT,
page_flags | TTM_PAGE_FLAG_USER,
- bdev->dummy_read_page);
+ glob->dummy_read_page);
if (unlikely(bo->ttm == NULL))
ret = -ENOMEM;
break;
@@ -360,6 +395,7 @@
static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all)
{
struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
struct ttm_bo_driver *driver = bdev->driver;
int ret;
@@ -371,7 +407,7 @@
spin_unlock(&bo->lock);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
ret = ttm_bo_reserve_locked(bo, false, false, false, 0);
BUG_ON(ret);
if (bo->ttm)
@@ -386,7 +422,7 @@
bo->mem.mm_node = NULL;
}
put_count = ttm_bo_del_from_lru(bo);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
atomic_set(&bo->reserved, 0);
@@ -396,14 +432,14 @@
return 0;
}
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (list_empty(&bo->ddestroy)) {
void *sync_obj = bo->sync_obj;
void *sync_obj_arg = bo->sync_obj_arg;
kref_get(&bo->list_kref);
list_add_tail(&bo->ddestroy, &bdev->ddestroy);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
spin_unlock(&bo->lock);
if (sync_obj)
@@ -413,7 +449,7 @@
ret = 0;
} else {
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
spin_unlock(&bo->lock);
ret = -EBUSY;
}
@@ -428,11 +464,12 @@
static int ttm_bo_delayed_delete(struct ttm_bo_device *bdev, bool remove_all)
{
+ struct ttm_bo_global *glob = bdev->glob;
struct ttm_buffer_object *entry, *nentry;
struct list_head *list, *next;
int ret;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
list_for_each_safe(list, next, &bdev->ddestroy) {
entry = list_entry(list, struct ttm_buffer_object, ddestroy);
nentry = NULL;
@@ -449,16 +486,16 @@
}
kref_get(&entry->list_kref);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
ret = ttm_bo_cleanup_refs(entry, remove_all);
kref_put(&entry->list_kref, ttm_bo_release_list);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (nentry) {
bool next_onlist = !list_empty(next);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
kref_put(&nentry->list_kref, ttm_bo_release_list);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
/*
* Someone might have raced us and removed the
* next entry from the list. We don't bother restarting
@@ -472,7 +509,7 @@
break;
}
ret = !list_empty(&bdev->ddestroy);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
return ret;
}
@@ -522,6 +559,7 @@
{
int ret = 0;
struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
struct ttm_mem_reg evict_mem;
uint32_t proposed_placement;
@@ -570,12 +608,12 @@
goto out;
}
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (evict_mem.mm_node) {
drm_mm_put_block(evict_mem.mm_node);
evict_mem.mm_node = NULL;
}
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
bo->evicted = true;
out:
return ret;
@@ -590,6 +628,7 @@
uint32_t mem_type,
bool interruptible, bool no_wait)
{
+ struct ttm_bo_global *glob = bdev->glob;
struct drm_mm_node *node;
struct ttm_buffer_object *entry;
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
@@ -603,7 +642,7 @@
if (unlikely(ret != 0))
return ret;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
do {
node = drm_mm_search_free(&man->manager, num_pages,
mem->page_alignment, 1);
@@ -624,7 +663,7 @@
if (likely(ret == 0))
put_count = ttm_bo_del_from_lru(entry);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
if (unlikely(ret != 0))
return ret;
@@ -640,21 +679,21 @@
if (ret)
return ret;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
} while (1);
if (!node) {
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
return -ENOMEM;
}
node = drm_mm_get_block_atomic(node, num_pages, mem->page_alignment);
if (unlikely(!node)) {
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
goto retry_pre_get;
}
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
mem->mm_node = node;
mem->mem_type = mem_type;
return 0;
@@ -723,6 +762,7 @@
bool interruptible, bool no_wait)
{
struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
struct ttm_mem_type_manager *man;
uint32_t num_prios = bdev->driver->num_mem_type_prio;
@@ -762,20 +802,20 @@
if (unlikely(ret))
return ret;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
node = drm_mm_search_free(&man->manager,
mem->num_pages,
mem->page_alignment,
1);
if (unlikely(!node)) {
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
break;
}
node = drm_mm_get_block_atomic(node,
mem->num_pages,
mem->
page_alignment);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
} while (!node);
}
if (node)
@@ -848,7 +888,7 @@
uint32_t proposed_placement,
bool interruptible, bool no_wait)
{
- struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
int ret = 0;
struct ttm_mem_reg mem;
@@ -884,9 +924,9 @@
out_unlock:
if (ret && mem.mm_node) {
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
drm_mm_put_block(mem.mm_node);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
}
return ret;
}
@@ -1022,6 +1062,7 @@
INIT_LIST_HEAD(&bo->ddestroy);
INIT_LIST_HEAD(&bo->swap);
bo->bdev = bdev;
+ bo->glob = bdev->glob;
bo->type = type;
bo->num_pages = num_pages;
bo->mem.mem_type = TTM_PL_SYSTEM;
@@ -1034,6 +1075,7 @@
bo->seq_valid = false;
bo->persistant_swap_storage = persistant_swap_storage;
bo->acc_size = acc_size;
+ atomic_inc(&bo->glob->bo_count);
ret = ttm_bo_check_placement(bo, flags, 0ULL);
if (unlikely(ret != 0))
@@ -1072,13 +1114,13 @@
}
EXPORT_SYMBOL(ttm_buffer_object_init);
-static inline size_t ttm_bo_size(struct ttm_bo_device *bdev,
+static inline size_t ttm_bo_size(struct ttm_bo_global *glob,
unsigned long num_pages)
{
size_t page_array_size = (num_pages * sizeof(void *) + PAGE_SIZE - 1) &
PAGE_MASK;
- return bdev->ttm_bo_size + 2 * page_array_size;
+ return glob->ttm_bo_size + 2 * page_array_size;
}
int ttm_buffer_object_create(struct ttm_bo_device *bdev,
@@ -1093,18 +1135,18 @@
{
struct ttm_buffer_object *bo;
int ret;
- struct ttm_mem_global *mem_glob = bdev->mem_glob;
+ struct ttm_mem_global *mem_glob = bdev->glob->mem_glob;
size_t acc_size =
- ttm_bo_size(bdev, (size + PAGE_SIZE - 1) >> PAGE_SHIFT);
- ret = ttm_mem_global_alloc(mem_glob, acc_size, false, false, false);
+ ttm_bo_size(bdev->glob, (size + PAGE_SIZE - 1) >> PAGE_SHIFT);
+ ret = ttm_mem_global_alloc(mem_glob, acc_size, false, false);
if (unlikely(ret != 0))
return ret;
bo = kzalloc(sizeof(*bo), GFP_KERNEL);
if (unlikely(bo == NULL)) {
- ttm_mem_global_free(mem_glob, acc_size, false);
+ ttm_mem_global_free(mem_glob, acc_size);
return -ENOMEM;
}
@@ -1150,6 +1192,7 @@
struct list_head *head,
unsigned mem_type, bool allow_errors)
{
+ struct ttm_bo_global *glob = bdev->glob;
struct ttm_buffer_object *entry;
int ret;
int put_count;
@@ -1158,30 +1201,31 @@
* Can't use standard list traversal since we're unlocking.
*/
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
while (!list_empty(head)) {
entry = list_first_entry(head, struct ttm_buffer_object, lru);
kref_get(&entry->list_kref);
ret = ttm_bo_reserve_locked(entry, false, false, false, 0);
put_count = ttm_bo_del_from_lru(entry);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
while (put_count--)
kref_put(&entry->list_kref, ttm_bo_ref_bug);
BUG_ON(ret);
ret = ttm_bo_leave_list(entry, mem_type, allow_errors);
ttm_bo_unreserve(entry);
kref_put(&entry->list_kref, ttm_bo_release_list);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
}
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
return 0;
}
int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type)
{
+ struct ttm_bo_global *glob = bdev->glob;
struct ttm_mem_type_manager *man;
int ret = -EINVAL;
@@ -1204,13 +1248,13 @@
if (mem_type > 0) {
ttm_bo_force_list_clean(bdev, &man->lru, mem_type, false);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (drm_mm_clean(&man->manager))
drm_mm_takedown(&man->manager);
else
ret = -EBUSY;
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
}
return ret;
@@ -1284,11 +1328,83 @@
}
EXPORT_SYMBOL(ttm_bo_init_mm);
+static void ttm_bo_global_kobj_release(struct kobject *kobj)
+{
+ struct ttm_bo_global *glob =
+ container_of(kobj, struct ttm_bo_global, kobj);
+
+ printk(KERN_INFO TTM_PFX "Freeing bo global.\n");
+ ttm_mem_unregister_shrink(glob->mem_glob, &glob->shrink);
+ __free_page(glob->dummy_read_page);
+ kfree(glob);
+}
+
+void ttm_bo_global_release(struct ttm_global_reference *ref)
+{
+ struct ttm_bo_global *glob = ref->object;
+
+ kobject_del(&glob->kobj);
+ kobject_put(&glob->kobj);
+}
+EXPORT_SYMBOL(ttm_bo_global_release);
+
+int ttm_bo_global_init(struct ttm_global_reference *ref)
+{
+ struct ttm_bo_global_ref *bo_ref =
+ container_of(ref, struct ttm_bo_global_ref, ref);
+ struct ttm_bo_global *glob = ref->object;
+ int ret;
+
+ mutex_init(&glob->device_list_mutex);
+ spin_lock_init(&glob->lru_lock);
+ glob->mem_glob = bo_ref->mem_glob;
+ glob->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
+
+ if (unlikely(glob->dummy_read_page == NULL)) {
+ ret = -ENOMEM;
+ goto out_no_drp;
+ }
+
+ INIT_LIST_HEAD(&glob->swap_lru);
+ INIT_LIST_HEAD(&glob->device_list);
+
+ ttm_mem_init_shrink(&glob->shrink, ttm_bo_swapout);
+ ret = ttm_mem_register_shrink(glob->mem_glob, &glob->shrink);
+ if (unlikely(ret != 0)) {
+ printk(KERN_ERR TTM_PFX
+ "Could not register buffer object swapout.\n");
+ goto out_no_shrink;
+ }
+
+ glob->ttm_bo_extra_size =
+ ttm_round_pot(sizeof(struct ttm_tt)) +
+ ttm_round_pot(sizeof(struct ttm_backend));
+
+ glob->ttm_bo_size = glob->ttm_bo_extra_size +
+ ttm_round_pot(sizeof(struct ttm_buffer_object));
+
+ atomic_set(&glob->bo_count, 0);
+
+ kobject_init(&glob->kobj, &ttm_bo_glob_kobj_type);
+ ret = kobject_add(&glob->kobj, ttm_get_kobj(), "buffer_objects");
+ if (unlikely(ret != 0))
+ kobject_put(&glob->kobj);
+ return ret;
+out_no_shrink:
+ __free_page(glob->dummy_read_page);
+out_no_drp:
+ kfree(glob);
+ return ret;
+}
+EXPORT_SYMBOL(ttm_bo_global_init);
+
+
int ttm_bo_device_release(struct ttm_bo_device *bdev)
{
int ret = 0;
unsigned i = TTM_NUM_MEM_TYPES;
struct ttm_mem_type_manager *man;
+ struct ttm_bo_global *glob = bdev->glob;
while (i--) {
man = &bdev->man[i];
@@ -1304,100 +1420,76 @@
}
}
+ mutex_lock(&glob->device_list_mutex);
+ list_del(&bdev->device_list);
+ mutex_unlock(&glob->device_list_mutex);
+
if (!cancel_delayed_work(&bdev->wq))
flush_scheduled_work();
while (ttm_bo_delayed_delete(bdev, true))
;
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
if (list_empty(&bdev->ddestroy))
TTM_DEBUG("Delayed destroy list was clean\n");
if (list_empty(&bdev->man[0].lru))
TTM_DEBUG("Swap list was clean\n");
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
- ttm_mem_unregister_shrink(bdev->mem_glob, &bdev->shrink);
BUG_ON(!drm_mm_clean(&bdev->addr_space_mm));
write_lock(&bdev->vm_lock);
drm_mm_takedown(&bdev->addr_space_mm);
write_unlock(&bdev->vm_lock);
- __free_page(bdev->dummy_read_page);
return ret;
}
EXPORT_SYMBOL(ttm_bo_device_release);
-/*
- * This function is intended to be called on drm driver load.
- * If you decide to call it from firstopen, you must protect the call
- * from a potentially racing ttm_bo_driver_finish in lastclose.
- * (This may happen on X server restart).
- */
-
int ttm_bo_device_init(struct ttm_bo_device *bdev,
- struct ttm_mem_global *mem_glob,
- struct ttm_bo_driver *driver, uint64_t file_page_offset,
+ struct ttm_bo_global *glob,
+ struct ttm_bo_driver *driver,
+ uint64_t file_page_offset,
bool need_dma32)
{
int ret = -EINVAL;
- bdev->dummy_read_page = NULL;
rwlock_init(&bdev->vm_lock);
- spin_lock_init(&bdev->lru_lock);
+ spin_lock_init(&glob->lru_lock);
bdev->driver = driver;
- bdev->mem_glob = mem_glob;
memset(bdev->man, 0, sizeof(bdev->man));
- bdev->dummy_read_page = alloc_page(__GFP_ZERO | GFP_DMA32);
- if (unlikely(bdev->dummy_read_page == NULL)) {
- ret = -ENOMEM;
- goto out_err0;
- }
-
/*
* Initialize the system memory buffer type.
* Other types need to be driver / IOCTL initialized.
*/
ret = ttm_bo_init_mm(bdev, TTM_PL_SYSTEM, 0, 0);
if (unlikely(ret != 0))
- goto out_err1;
+ goto out_no_sys;
bdev->addr_space_rb = RB_ROOT;
ret = drm_mm_init(&bdev->addr_space_mm, file_page_offset, 0x10000000);
if (unlikely(ret != 0))
- goto out_err2;
+ goto out_no_addr_mm;
INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
bdev->nice_mode = true;
INIT_LIST_HEAD(&bdev->ddestroy);
- INIT_LIST_HEAD(&bdev->swap_lru);
bdev->dev_mapping = NULL;
+ bdev->glob = glob;
bdev->need_dma32 = need_dma32;
- ttm_mem_init_shrink(&bdev->shrink, ttm_bo_swapout);
- ret = ttm_mem_register_shrink(mem_glob, &bdev->shrink);
- if (unlikely(ret != 0)) {
- printk(KERN_ERR TTM_PFX
- "Could not register buffer object swapout.\n");
- goto out_err2;
- }
- bdev->ttm_bo_extra_size =
- ttm_round_pot(sizeof(struct ttm_tt)) +
- ttm_round_pot(sizeof(struct ttm_backend));
-
- bdev->ttm_bo_size = bdev->ttm_bo_extra_size +
- ttm_round_pot(sizeof(struct ttm_buffer_object));
+ mutex_lock(&glob->device_list_mutex);
+ list_add_tail(&bdev->device_list, &glob->device_list);
+ mutex_unlock(&glob->device_list_mutex);
return 0;
-out_err2:
+out_no_addr_mm:
ttm_bo_clean_mm(bdev, 0);
-out_err1:
- __free_page(bdev->dummy_read_page);
-out_err0:
+out_no_sys:
return ret;
}
EXPORT_SYMBOL(ttm_bo_device_init);
@@ -1647,21 +1739,21 @@
static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
{
- struct ttm_bo_device *bdev =
- container_of(shrink, struct ttm_bo_device, shrink);
+ struct ttm_bo_global *glob =
+ container_of(shrink, struct ttm_bo_global, shrink);
struct ttm_buffer_object *bo;
int ret = -EBUSY;
int put_count;
uint32_t swap_placement = (TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
while (ret == -EBUSY) {
- if (unlikely(list_empty(&bdev->swap_lru))) {
- spin_unlock(&bdev->lru_lock);
+ if (unlikely(list_empty(&glob->swap_lru))) {
+ spin_unlock(&glob->lru_lock);
return -EBUSY;
}
- bo = list_first_entry(&bdev->swap_lru,
+ bo = list_first_entry(&glob->swap_lru,
struct ttm_buffer_object, swap);
kref_get(&bo->list_kref);
@@ -1673,16 +1765,16 @@
ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
if (unlikely(ret == -EBUSY)) {
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
ttm_bo_wait_unreserved(bo, false);
kref_put(&bo->list_kref, ttm_bo_release_list);
- spin_lock(&bdev->lru_lock);
+ spin_lock(&glob->lru_lock);
}
}
BUG_ON(ret != 0);
put_count = ttm_bo_del_from_lru(bo);
- spin_unlock(&bdev->lru_lock);
+ spin_unlock(&glob->lru_lock);
while (put_count--)
kref_put(&bo->list_kref, ttm_bo_ref_bug);
@@ -1736,6 +1828,6 @@
void ttm_bo_swapout_all(struct ttm_bo_device *bdev)
{
- while (ttm_bo_swapout(&bdev->shrink) == 0)
+ while (ttm_bo_swapout(&bdev->glob->shrink) == 0)
;
}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index ad4ada0..c70927e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -41,9 +41,9 @@
struct ttm_mem_reg *old_mem = &bo->mem;
if (old_mem->mm_node) {
- spin_lock(&bo->bdev->lru_lock);
+ spin_lock(&bo->glob->lru_lock);
drm_mm_put_block(old_mem->mm_node);
- spin_unlock(&bo->bdev->lru_lock);
+ spin_unlock(&bo->glob->lru_lock);
}
old_mem->mm_node = NULL;
}
diff --git a/drivers/gpu/drm/ttm/ttm_global.c b/drivers/gpu/drm/ttm/ttm_global.c
index 0b14eb1..541744d 100644
--- a/drivers/gpu/drm/ttm/ttm_global.c
+++ b/drivers/gpu/drm/ttm/ttm_global.c
@@ -71,7 +71,7 @@
mutex_lock(&item->mutex);
if (item->refcount == 0) {
- item->object = kmalloc(ref->size, GFP_KERNEL);
+ item->object = kzalloc(ref->size, GFP_KERNEL);
if (unlikely(item->object == NULL)) {
ret = -ENOMEM;
goto out_err;
@@ -89,7 +89,6 @@
mutex_unlock(&item->mutex);
return 0;
out_err:
- kfree(item->object);
mutex_unlock(&item->mutex);
item->object = NULL;
return ret;
@@ -105,7 +104,6 @@
BUG_ON(ref->object != item->object);
if (--item->refcount == 0) {
ref->release(ref);
- kfree(item->object);
item->object = NULL;
}
mutex_unlock(&item->mutex);
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 87323d4..62fb5cf 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -26,15 +26,180 @@
**************************************************************************/
#include "ttm/ttm_memory.h"
+#include "ttm/ttm_module.h"
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/mm.h>
#include <linux/module.h>
-#define TTM_PFX "[TTM] "
#define TTM_MEMORY_ALLOC_RETRIES 4
+struct ttm_mem_zone {
+ struct kobject kobj;
+ struct ttm_mem_global *glob;
+ const char *name;
+ uint64_t zone_mem;
+ uint64_t emer_mem;
+ uint64_t max_mem;
+ uint64_t swap_limit;
+ uint64_t used_mem;
+};
+
+static struct attribute ttm_mem_sys = {
+ .name = "zone_memory",
+ .mode = S_IRUGO
+};
+static struct attribute ttm_mem_emer = {
+ .name = "emergency_memory",
+ .mode = S_IRUGO | S_IWUSR
+};
+static struct attribute ttm_mem_max = {
+ .name = "available_memory",
+ .mode = S_IRUGO | S_IWUSR
+};
+static struct attribute ttm_mem_swap = {
+ .name = "swap_limit",
+ .mode = S_IRUGO | S_IWUSR
+};
+static struct attribute ttm_mem_used = {
+ .name = "used_memory",
+ .mode = S_IRUGO
+};
+
+static void ttm_mem_zone_kobj_release(struct kobject *kobj)
+{
+ struct ttm_mem_zone *zone =
+ container_of(kobj, struct ttm_mem_zone, kobj);
+
+ printk(KERN_INFO TTM_PFX
+ "Zone %7s: Used memory at exit: %llu kiB.\n",
+ zone->name, (unsigned long long) zone->used_mem >> 10);
+ kfree(zone);
+}
+
+static ssize_t ttm_mem_zone_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buffer)
+{
+ struct ttm_mem_zone *zone =
+ container_of(kobj, struct ttm_mem_zone, kobj);
+ uint64_t val = 0;
+
+ spin_lock(&zone->glob->lock);
+ if (attr == &ttm_mem_sys)
+ val = zone->zone_mem;
+ else if (attr == &ttm_mem_emer)
+ val = zone->emer_mem;
+ else if (attr == &ttm_mem_max)
+ val = zone->max_mem;
+ else if (attr == &ttm_mem_swap)
+ val = zone->swap_limit;
+ else if (attr == &ttm_mem_used)
+ val = zone->used_mem;
+ spin_unlock(&zone->glob->lock);
+
+ return snprintf(buffer, PAGE_SIZE, "%llu\n",
+ (unsigned long long) val >> 10);
+}
+
+static void ttm_check_swapping(struct ttm_mem_global *glob);
+
+static ssize_t ttm_mem_zone_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t size)
+{
+ struct ttm_mem_zone *zone =
+ container_of(kobj, struct ttm_mem_zone, kobj);
+ int chars;
+ unsigned long val;
+ uint64_t val64;
+
+ chars = sscanf(buffer, "%lu", &val);
+ if (chars == 0)
+ return size;
+
+ val64 = val;
+ val64 <<= 10;
+
+ spin_lock(&zone->glob->lock);
+ if (val64 > zone->zone_mem)
+ val64 = zone->zone_mem;
+ if (attr == &ttm_mem_emer) {
+ zone->emer_mem = val64;
+ if (zone->max_mem > val64)
+ zone->max_mem = val64;
+ } else if (attr == &ttm_mem_max) {
+ zone->max_mem = val64;
+ if (zone->emer_mem < val64)
+ zone->emer_mem = val64;
+ } else if (attr == &ttm_mem_swap)
+ zone->swap_limit = val64;
+ spin_unlock(&zone->glob->lock);
+
+ ttm_check_swapping(zone->glob);
+
+ return size;
+}
+
+static struct attribute *ttm_mem_zone_attrs[] = {
+ &ttm_mem_sys,
+ &ttm_mem_emer,
+ &ttm_mem_max,
+ &ttm_mem_swap,
+ &ttm_mem_used,
+ NULL
+};
+
+static struct sysfs_ops ttm_mem_zone_ops = {
+ .show = &ttm_mem_zone_show,
+ .store = &ttm_mem_zone_store
+};
+
+static struct kobj_type ttm_mem_zone_kobj_type = {
+ .release = &ttm_mem_zone_kobj_release,
+ .sysfs_ops = &ttm_mem_zone_ops,
+ .default_attrs = ttm_mem_zone_attrs,
+};
+
+static void ttm_mem_global_kobj_release(struct kobject *kobj)
+{
+ struct ttm_mem_global *glob =
+ container_of(kobj, struct ttm_mem_global, kobj);
+
+ kfree(glob);
+}
+
+static struct kobj_type ttm_mem_glob_kobj_type = {
+ .release = &ttm_mem_global_kobj_release,
+};
+
+static bool ttm_zones_above_swap_target(struct ttm_mem_global *glob,
+ bool from_wq, uint64_t extra)
+{
+ unsigned int i;
+ struct ttm_mem_zone *zone;
+ uint64_t target;
+
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+
+ if (from_wq)
+ target = zone->swap_limit;
+ else if (capable(CAP_SYS_ADMIN))
+ target = zone->emer_mem;
+ else
+ target = zone->max_mem;
+
+ target = (extra > target) ? 0ULL : target;
+
+ if (zone->used_mem > target)
+ return true;
+ }
+ return false;
+}
+
/**
* At this point we only support a single shrink callback.
* Extend this if needed, perhaps using a linked list of callbacks.
@@ -42,34 +207,17 @@
* many threads may try to swap out at any given time.
*/
-static void ttm_shrink(struct ttm_mem_global *glob, bool from_workqueue,
+static void ttm_shrink(struct ttm_mem_global *glob, bool from_wq,
uint64_t extra)
{
int ret;
struct ttm_mem_shrink *shrink;
- uint64_t target;
- uint64_t total_target;
spin_lock(&glob->lock);
if (glob->shrink == NULL)
goto out;
- if (from_workqueue) {
- target = glob->swap_limit;
- total_target = glob->total_memory_swap_limit;
- } else if (capable(CAP_SYS_ADMIN)) {
- total_target = glob->emer_total_memory;
- target = glob->emer_memory;
- } else {
- total_target = glob->max_total_memory;
- target = glob->max_memory;
- }
-
- total_target = (extra >= total_target) ? 0 : total_target - extra;
- target = (extra >= target) ? 0 : target - extra;
-
- while (glob->used_memory > target ||
- glob->used_total_memory > total_target) {
+ while (ttm_zones_above_swap_target(glob, from_wq, extra)) {
shrink = glob->shrink;
spin_unlock(&glob->lock);
ret = shrink->do_shrink(shrink);
@@ -81,6 +229,8 @@
spin_unlock(&glob->lock);
}
+
+
static void ttm_shrink_work(struct work_struct *work)
{
struct ttm_mem_global *glob =
@@ -89,63 +239,178 @@
ttm_shrink(glob, true, 0ULL);
}
+static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob,
+ const struct sysinfo *si)
+{
+ struct ttm_mem_zone *zone = kzalloc(sizeof(*zone), GFP_KERNEL);
+ uint64_t mem;
+
+ if (unlikely(!zone))
+ return -ENOMEM;
+
+ mem = si->totalram - si->totalhigh;
+ mem *= si->mem_unit;
+
+ zone->name = "kernel";
+ zone->zone_mem = mem;
+ zone->max_mem = mem >> 1;
+ zone->emer_mem = (mem >> 1) + (mem >> 2);
+ zone->swap_limit = zone->max_mem - (mem >> 3);
+ zone->used_mem = 0;
+ zone->glob = glob;
+ glob->zone_kernel = zone;
+ glob->zones[glob->num_zones++] = zone;
+ kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
+ return kobject_add(&zone->kobj, &glob->kobj, zone->name);
+}
+
+#ifdef CONFIG_HIGHMEM
+static int ttm_mem_init_highmem_zone(struct ttm_mem_global *glob,
+ const struct sysinfo *si)
+{
+ struct ttm_mem_zone *zone = kzalloc(sizeof(*zone), GFP_KERNEL);
+ uint64_t mem;
+
+ if (unlikely(!zone))
+ return -ENOMEM;
+
+ if (si->totalhigh == 0)
+ return 0;
+
+ mem = si->totalram;
+ mem *= si->mem_unit;
+
+ zone->name = "highmem";
+ zone->zone_mem = mem;
+ zone->max_mem = mem >> 1;
+ zone->emer_mem = (mem >> 1) + (mem >> 2);
+ zone->swap_limit = zone->max_mem - (mem >> 3);
+ zone->used_mem = 0;
+ zone->glob = glob;
+ glob->zone_highmem = zone;
+ glob->zones[glob->num_zones++] = zone;
+ kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
+ return kobject_add(&zone->kobj, &glob->kobj, zone->name);
+}
+#else
+static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob,
+ const struct sysinfo *si)
+{
+ struct ttm_mem_zone *zone = kzalloc(sizeof(*zone), GFP_KERNEL);
+ uint64_t mem;
+
+ if (unlikely(!zone))
+ return -ENOMEM;
+
+ mem = si->totalram;
+ mem *= si->mem_unit;
+
+ /**
+ * No special dma32 zone needed.
+ */
+
+ if (mem <= ((uint64_t) 1ULL << 32))
+ return 0;
+
+ /*
+ * Limit max dma32 memory to 4GB for now
+ * until we can figure out how big this
+ * zone really is.
+ */
+
+ mem = ((uint64_t) 1ULL << 32);
+ zone->name = "dma32";
+ zone->zone_mem = mem;
+ zone->max_mem = mem >> 1;
+ zone->emer_mem = (mem >> 1) + (mem >> 2);
+ zone->swap_limit = zone->max_mem - (mem >> 3);
+ zone->used_mem = 0;
+ zone->glob = glob;
+ glob->zone_dma32 = zone;
+ glob->zones[glob->num_zones++] = zone;
+ kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
+ return kobject_add(&zone->kobj, &glob->kobj, zone->name);
+}
+#endif
+
int ttm_mem_global_init(struct ttm_mem_global *glob)
{
struct sysinfo si;
- uint64_t mem;
+ int ret;
+ int i;
+ struct ttm_mem_zone *zone;
spin_lock_init(&glob->lock);
glob->swap_queue = create_singlethread_workqueue("ttm_swap");
INIT_WORK(&glob->work, ttm_shrink_work);
init_waitqueue_head(&glob->queue);
+ kobject_init(&glob->kobj, &ttm_mem_glob_kobj_type);
+ ret = kobject_add(&glob->kobj,
+ ttm_get_kobj(),
+ "memory_accounting");
+ if (unlikely(ret != 0))
+ goto out_no_zone;
si_meminfo(&si);
- mem = si.totalram - si.totalhigh;
- mem *= si.mem_unit;
-
- glob->max_memory = mem >> 1;
- glob->emer_memory = (mem >> 1) + (mem >> 2);
- glob->swap_limit = glob->max_memory - (mem >> 3);
- glob->used_memory = 0;
- glob->used_total_memory = 0;
- glob->shrink = NULL;
-
- mem = si.totalram;
- mem *= si.mem_unit;
-
- glob->max_total_memory = mem >> 1;
- glob->emer_total_memory = (mem >> 1) + (mem >> 2);
-
- glob->total_memory_swap_limit = glob->max_total_memory - (mem >> 3);
-
- printk(KERN_INFO TTM_PFX "TTM available graphics memory: %llu MiB\n",
- glob->max_total_memory >> 20);
- printk(KERN_INFO TTM_PFX "TTM available object memory: %llu MiB\n",
- glob->max_memory >> 20);
-
+ ret = ttm_mem_init_kernel_zone(glob, &si);
+ if (unlikely(ret != 0))
+ goto out_no_zone;
+#ifdef CONFIG_HIGHMEM
+ ret = ttm_mem_init_highmem_zone(glob, &si);
+ if (unlikely(ret != 0))
+ goto out_no_zone;
+#else
+ ret = ttm_mem_init_dma32_zone(glob, &si);
+ if (unlikely(ret != 0))
+ goto out_no_zone;
+#endif
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ printk(KERN_INFO TTM_PFX
+ "Zone %7s: Available graphics memory: %llu kiB.\n",
+ zone->name, (unsigned long long) zone->max_mem >> 10);
+ }
return 0;
+out_no_zone:
+ ttm_mem_global_release(glob);
+ return ret;
}
EXPORT_SYMBOL(ttm_mem_global_init);
void ttm_mem_global_release(struct ttm_mem_global *glob)
{
- printk(KERN_INFO TTM_PFX "Used total memory is %llu bytes.\n",
- (unsigned long long)glob->used_total_memory);
+ unsigned int i;
+ struct ttm_mem_zone *zone;
+
flush_workqueue(glob->swap_queue);
destroy_workqueue(glob->swap_queue);
glob->swap_queue = NULL;
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ kobject_del(&zone->kobj);
+ kobject_put(&zone->kobj);
+ }
+ kobject_del(&glob->kobj);
+ kobject_put(&glob->kobj);
}
EXPORT_SYMBOL(ttm_mem_global_release);
-static inline void ttm_check_swapping(struct ttm_mem_global *glob)
+static void ttm_check_swapping(struct ttm_mem_global *glob)
{
- bool needs_swapping;
+ bool needs_swapping = false;
+ unsigned int i;
+ struct ttm_mem_zone *zone;
spin_lock(&glob->lock);
- needs_swapping = (glob->used_memory > glob->swap_limit ||
- glob->used_total_memory >
- glob->total_memory_swap_limit);
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ if (zone->used_mem > zone->swap_limit) {
+ needs_swapping = true;
+ break;
+ }
+ }
+
spin_unlock(&glob->lock);
if (unlikely(needs_swapping))
@@ -153,44 +418,60 @@
}
-void ttm_mem_global_free(struct ttm_mem_global *glob,
- uint64_t amount, bool himem)
+static void ttm_mem_global_free_zone(struct ttm_mem_global *glob,
+ struct ttm_mem_zone *single_zone,
+ uint64_t amount)
{
+ unsigned int i;
+ struct ttm_mem_zone *zone;
+
spin_lock(&glob->lock);
- glob->used_total_memory -= amount;
- if (!himem)
- glob->used_memory -= amount;
- wake_up_all(&glob->queue);
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ if (single_zone && zone != single_zone)
+ continue;
+ zone->used_mem -= amount;
+ }
spin_unlock(&glob->lock);
}
+void ttm_mem_global_free(struct ttm_mem_global *glob,
+ uint64_t amount)
+{
+ return ttm_mem_global_free_zone(glob, NULL, amount);
+}
+
static int ttm_mem_global_reserve(struct ttm_mem_global *glob,
- uint64_t amount, bool himem, bool reserve)
+ struct ttm_mem_zone *single_zone,
+ uint64_t amount, bool reserve)
{
uint64_t limit;
- uint64_t lomem_limit;
int ret = -ENOMEM;
+ unsigned int i;
+ struct ttm_mem_zone *zone;
spin_lock(&glob->lock);
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ if (single_zone && zone != single_zone)
+ continue;
- if (capable(CAP_SYS_ADMIN)) {
- limit = glob->emer_total_memory;
- lomem_limit = glob->emer_memory;
- } else {
- limit = glob->max_total_memory;
- lomem_limit = glob->max_memory;
+ limit = (capable(CAP_SYS_ADMIN)) ?
+ zone->emer_mem : zone->max_mem;
+
+ if (zone->used_mem > limit)
+ goto out_unlock;
}
- if (unlikely(glob->used_total_memory + amount > limit))
- goto out_unlock;
- if (unlikely(!himem && glob->used_memory + amount > lomem_limit))
- goto out_unlock;
-
if (reserve) {
- glob->used_total_memory += amount;
- if (!himem)
- glob->used_memory += amount;
+ for (i = 0; i < glob->num_zones; ++i) {
+ zone = glob->zones[i];
+ if (single_zone && zone != single_zone)
+ continue;
+ zone->used_mem += amount;
+ }
}
+
ret = 0;
out_unlock:
spin_unlock(&glob->lock);
@@ -199,12 +480,17 @@
return ret;
}
-int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
- bool no_wait, bool interruptible, bool himem)
+
+static int ttm_mem_global_alloc_zone(struct ttm_mem_global *glob,
+ struct ttm_mem_zone *single_zone,
+ uint64_t memory,
+ bool no_wait, bool interruptible)
{
int count = TTM_MEMORY_ALLOC_RETRIES;
- while (unlikely(ttm_mem_global_reserve(glob, memory, himem, true)
+ while (unlikely(ttm_mem_global_reserve(glob,
+ single_zone,
+ memory, true)
!= 0)) {
if (no_wait)
return -ENOMEM;
@@ -216,6 +502,56 @@
return 0;
}
+int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
+ bool no_wait, bool interruptible)
+{
+ /**
+ * Normal allocations of kernel memory are registered in
+ * all zones.
+ */
+
+ return ttm_mem_global_alloc_zone(glob, NULL, memory, no_wait,
+ interruptible);
+}
+
+int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
+ struct page *page,
+ bool no_wait, bool interruptible)
+{
+
+ struct ttm_mem_zone *zone = NULL;
+
+ /**
+ * Page allocations may be registed in a single zone
+ * only if highmem or !dma32.
+ */
+
+#ifdef CONFIG_HIGHMEM
+ if (PageHighMem(page) && glob->zone_highmem != NULL)
+ zone = glob->zone_highmem;
+#else
+ if (glob->zone_dma32 && page_to_pfn(page) > 0x00100000UL)
+ zone = glob->zone_kernel;
+#endif
+ return ttm_mem_global_alloc_zone(glob, zone, PAGE_SIZE, no_wait,
+ interruptible);
+}
+
+void ttm_mem_global_free_page(struct ttm_mem_global *glob, struct page *page)
+{
+ struct ttm_mem_zone *zone = NULL;
+
+#ifdef CONFIG_HIGHMEM
+ if (PageHighMem(page) && glob->zone_highmem != NULL)
+ zone = glob->zone_highmem;
+#else
+ if (glob->zone_dma32 && page_to_pfn(page) > 0x00100000UL)
+ zone = glob->zone_kernel;
+#endif
+ ttm_mem_global_free_zone(glob, zone, PAGE_SIZE);
+}
+
+
size_t ttm_round_pot(size_t size)
{
if ((size & (size - 1)) == 0)
diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c
index 59ce819..9a6edbf 100644
--- a/drivers/gpu/drm/ttm/ttm_module.c
+++ b/drivers/gpu/drm/ttm/ttm_module.c
@@ -29,16 +29,72 @@
* Jerome Glisse
*/
#include <linux/module.h>
-#include <ttm/ttm_module.h>
+#include <linux/device.h>
+#include <linux/sched.h>
+#include "ttm/ttm_module.h"
+#include "drm_sysfs.h"
+
+static DECLARE_WAIT_QUEUE_HEAD(exit_q);
+atomic_t device_released;
+
+static struct device_type ttm_drm_class_type = {
+ .name = "ttm",
+ /**
+ * Add pm ops here.
+ */
+};
+
+static void ttm_drm_class_device_release(struct device *dev)
+{
+ atomic_set(&device_released, 1);
+ wake_up_all(&exit_q);
+}
+
+static struct device ttm_drm_class_device = {
+ .type = &ttm_drm_class_type,
+ .release = &ttm_drm_class_device_release
+};
+
+struct kobject *ttm_get_kobj(void)
+{
+ struct kobject *kobj = &ttm_drm_class_device.kobj;
+ BUG_ON(kobj == NULL);
+ return kobj;
+}
static int __init ttm_init(void)
{
+ int ret;
+
+ ret = dev_set_name(&ttm_drm_class_device, "ttm");
+ if (unlikely(ret != 0))
+ return ret;
+
ttm_global_init();
+
+ atomic_set(&device_released, 0);
+ ret = drm_class_device_register(&ttm_drm_class_device);
+ if (unlikely(ret != 0))
+ goto out_no_dev_reg;
+
return 0;
+out_no_dev_reg:
+ atomic_set(&device_released, 1);
+ wake_up_all(&exit_q);
+ ttm_global_release();
+ return ret;
}
static void __exit ttm_exit(void)
{
+ drm_class_device_unregister(&ttm_drm_class_device);
+
+ /**
+ * Refuse to unload until the TTM device is released.
+ * Not sure this is 100% needed.
+ */
+
+ wait_event(exit_q, atomic_read(&device_released) == 1);
ttm_global_release();
}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index b8b6c4a..42cca55 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -179,7 +179,7 @@
set_page_dirty_lock(page);
ttm->pages[i] = NULL;
- ttm_mem_global_free(ttm->bdev->mem_glob, PAGE_SIZE, false);
+ ttm_mem_global_free(ttm->glob->mem_glob, PAGE_SIZE);
put_page(page);
}
ttm->state = tt_unpopulated;
@@ -190,8 +190,7 @@
static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
{
struct page *p;
- struct ttm_bo_device *bdev = ttm->bdev;
- struct ttm_mem_global *mem_glob = bdev->mem_glob;
+ struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
int ret;
while (NULL == (p = ttm->pages[index])) {
@@ -200,21 +199,14 @@
if (!p)
return NULL;
- if (PageHighMem(p)) {
- ret =
- ttm_mem_global_alloc(mem_glob, PAGE_SIZE,
- false, false, true);
- if (unlikely(ret != 0))
- goto out_err;
+ ret = ttm_mem_global_alloc_page(mem_glob, p, false, false);
+ if (unlikely(ret != 0))
+ goto out_err;
+
+ if (PageHighMem(p))
ttm->pages[--ttm->first_himem_page] = p;
- } else {
- ret =
- ttm_mem_global_alloc(mem_glob, PAGE_SIZE,
- false, false, false);
- if (unlikely(ret != 0))
- goto out_err;
+ else
ttm->pages[++ttm->last_lomem_page] = p;
- }
}
return p;
out_err:
@@ -368,8 +360,8 @@
printk(KERN_ERR TTM_PFX
"Erroneous page count. "
"Leaking pages.\n");
- ttm_mem_global_free(ttm->bdev->mem_glob, PAGE_SIZE,
- PageHighMem(cur_page));
+ ttm_mem_global_free_page(ttm->glob->mem_glob,
+ cur_page);
__free_page(cur_page);
}
}
@@ -414,7 +406,7 @@
struct mm_struct *mm = tsk->mm;
int ret;
int write = (ttm->page_flags & TTM_PAGE_FLAG_WRITE) != 0;
- struct ttm_mem_global *mem_glob = ttm->bdev->mem_glob;
+ struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
BUG_ON(num_pages != ttm->num_pages);
BUG_ON((ttm->page_flags & TTM_PAGE_FLAG_USER) == 0);
@@ -424,7 +416,7 @@
*/
ret = ttm_mem_global_alloc(mem_glob, num_pages * PAGE_SIZE,
- false, false, false);
+ false, false);
if (unlikely(ret != 0))
return ret;
@@ -435,7 +427,7 @@
if (ret != num_pages && write) {
ttm_tt_free_user_pages(ttm);
- ttm_mem_global_free(mem_glob, num_pages * PAGE_SIZE, false);
+ ttm_mem_global_free(mem_glob, num_pages * PAGE_SIZE);
return -ENOMEM;
}
@@ -459,8 +451,7 @@
if (!ttm)
return NULL;
- ttm->bdev = bdev;
-
+ ttm->glob = bdev->glob;
ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
ttm->first_himem_page = ttm->num_pages;
ttm->last_lomem_page = -1;
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 45b67d9..e0f1c1f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -88,7 +88,37 @@
#define DRM_UT_CORE 0x01
#define DRM_UT_DRIVER 0x02
#define DRM_UT_KMS 0x04
-#define DRM_UT_MODE 0x08
+/*
+ * Three debug levels are defined.
+ * drm_core, drm_driver, drm_kms
+ * drm_core level can be used in the generic drm code. For example:
+ * drm_ioctl, drm_mm, drm_memory
+ * The macro definiton of DRM_DEBUG is used.
+ * DRM_DEBUG(fmt, args...)
+ * The debug info by using the DRM_DEBUG can be obtained by adding
+ * the boot option of "drm.debug=1".
+ *
+ * drm_driver level can be used in the specific drm driver. It is used
+ * to add the debug info related with the drm driver. For example:
+ * i915_drv, i915_dma, i915_gem, radeon_drv,
+ * The macro definition of DRM_DEBUG_DRIVER can be used.
+ * DRM_DEBUG_DRIVER(fmt, args...)
+ * The debug info by using the DRM_DEBUG_DRIVER can be obtained by
+ * adding the boot option of "drm.debug=0x02"
+ *
+ * drm_kms level can be used in the KMS code related with specific drm driver.
+ * It is used to add the debug info related with KMS mode. For example:
+ * the connector/crtc ,
+ * The macro definition of DRM_DEBUG_KMS can be used.
+ * DRM_DEBUG_KMS(fmt, args...)
+ * The debug info by using the DRM_DEBUG_KMS can be obtained by
+ * adding the boot option of "drm.debug=0x04"
+ *
+ * If we add the boot option of "drm.debug=0x06", we can get the debug info by
+ * using the DRM_DEBUG_KMS and DRM_DEBUG_DRIVER.
+ * If we add the boot option of "drm.debug=0x05", we can get the debug info by
+ * using the DRM_DEBUG_KMS and DRM_DEBUG.
+ */
extern void drm_ut_debug_printk(unsigned int request_level,
const char *prefix,
@@ -174,19 +204,14 @@
__func__, fmt, ##args); \
} while (0)
-#define DRM_DEBUG_DRIVER(prefix, fmt, args...) \
+#define DRM_DEBUG_DRIVER(fmt, args...) \
do { \
- drm_ut_debug_printk(DRM_UT_DRIVER, prefix, \
+ drm_ut_debug_printk(DRM_UT_DRIVER, DRM_NAME, \
__func__, fmt, ##args); \
} while (0)
-#define DRM_DEBUG_KMS(prefix, fmt, args...) \
+#define DRM_DEBUG_KMS(fmt, args...) \
do { \
- drm_ut_debug_printk(DRM_UT_KMS, prefix, \
- __func__, fmt, ##args); \
- } while (0)
-#define DRM_DEBUG_MODE(prefix, fmt, args...) \
- do { \
- drm_ut_debug_printk(DRM_UT_MODE, prefix, \
+ drm_ut_debug_printk(DRM_UT_KMS, DRM_NAME, \
__func__, fmt, ##args); \
} while (0)
#define DRM_LOG(fmt, args...) \
@@ -210,9 +235,8 @@
NULL, fmt, ##args); \
} while (0)
#else
-#define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0)
-#define DRM_DEBUG_KMS(prefix, fmt, args...) do { } while (0)
-#define DRM_DEBUG_MODE(prefix, fmt, args...) do { } while (0)
+#define DRM_DEBUG_DRIVER(fmt, args...) do { } while (0)
+#define DRM_DEBUG_KMS(fmt, args...) do { } while (0)
#define DRM_DEBUG(fmt, arg...) do { } while (0)
#define DRM_LOG(fmt, arg...) do { } while (0)
#define DRM_LOG_KMS(fmt, args...) do { } while (0)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 7300fb8..db92a83 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -572,6 +572,12 @@
struct drm_property *tv_right_margin_property;
struct drm_property *tv_top_margin_property;
struct drm_property *tv_bottom_margin_property;
+ struct drm_property *tv_brightness_property;
+ struct drm_property *tv_contrast_property;
+ struct drm_property *tv_flicker_reduction_property;
+ struct drm_property *tv_overscan_property;
+ struct drm_property *tv_saturation_property;
+ struct drm_property *tv_hue_property;
/* Optional properties */
struct drm_property *scaling_mode_property;
@@ -736,4 +742,10 @@
extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern bool drm_detect_hdmi_monitor(struct edid *edid);
+extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
+ int hdisplay, int vdisplay, int vrefresh,
+ bool reduced, bool interlaced);
+extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
+ int hdisplay, int vdisplay, int vrefresh,
+ bool interlaced, int margins);
#endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h
new file mode 100644
index 0000000..2f65633
--- /dev/null
+++ b/include/drm/drm_encoder_slave.h
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef __DRM_ENCODER_SLAVE_H__
+#define __DRM_ENCODER_SLAVE_H__
+
+#include "drmP.h"
+#include "drm_crtc.h"
+
+/**
+ * struct drm_encoder_slave_funcs - Entry points exposed by a slave encoder driver
+ * @set_config: Initialize any encoder-specific modesetting parameters.
+ * The meaning of the @params parameter is implementation
+ * dependent. It will usually be a structure with DVO port
+ * data format settings or timings. It's not required for
+ * the new parameters to take effect until the next mode
+ * is set.
+ *
+ * Most of its members are analogous to the function pointers in
+ * &drm_encoder_helper_funcs and they can optionally be used to
+ * initialize the latter. Connector-like methods (e.g. @get_modes and
+ * @set_property) will typically be wrapped around and only be called
+ * if the encoder is the currently selected one for the connector.
+ */
+struct drm_encoder_slave_funcs {
+ void (*set_config)(struct drm_encoder *encoder,
+ void *params);
+
+ void (*destroy)(struct drm_encoder *encoder);
+ void (*dpms)(struct drm_encoder *encoder, int mode);
+ void (*save)(struct drm_encoder *encoder);
+ void (*restore)(struct drm_encoder *encoder);
+ bool (*mode_fixup)(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ int (*mode_valid)(struct drm_encoder *encoder,
+ struct drm_display_mode *mode);
+ void (*mode_set)(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+
+ enum drm_connector_status (*detect)(struct drm_encoder *encoder,
+ struct drm_connector *connector);
+ int (*get_modes)(struct drm_encoder *encoder,
+ struct drm_connector *connector);
+ int (*create_resources)(struct drm_encoder *encoder,
+ struct drm_connector *connector);
+ int (*set_property)(struct drm_encoder *encoder,
+ struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t val);
+
+};
+
+/**
+ * struct drm_encoder_slave - Slave encoder struct
+ * @base: DRM encoder object.
+ * @slave_funcs: Slave encoder callbacks.
+ * @slave_priv: Slave encoder private data.
+ * @bus_priv: Bus specific data.
+ *
+ * A &drm_encoder_slave has two sets of callbacks, @slave_funcs and the
+ * ones in @base. The former are never actually called by the common
+ * CRTC code, it's just a convenience for splitting the encoder
+ * functions in an upper, GPU-specific layer and a (hopefully)
+ * GPU-agnostic lower layer: It's the GPU driver responsibility to
+ * call the slave methods when appropriate.
+ *
+ * drm_i2c_encoder_init() provides a way to get an implementation of
+ * this.
+ */
+struct drm_encoder_slave {
+ struct drm_encoder base;
+
+ struct drm_encoder_slave_funcs *slave_funcs;
+ void *slave_priv;
+ void *bus_priv;
+};
+#define to_encoder_slave(x) container_of((x), struct drm_encoder_slave, base)
+
+int drm_i2c_encoder_init(struct drm_device *dev,
+ struct drm_encoder_slave *encoder,
+ struct i2c_adapter *adap,
+ const struct i2c_board_info *info);
+
+
+/**
+ * struct drm_i2c_encoder_driver
+ *
+ * Describes a device driver for an encoder connected to the GPU
+ * through an I2C bus. In addition to the entry points in @i2c_driver
+ * an @encoder_init function should be provided. It will be called to
+ * give the driver an opportunity to allocate any per-encoder data
+ * structures and to initialize the @slave_funcs and (optionally)
+ * @slave_priv members of @encoder.
+ */
+struct drm_i2c_encoder_driver {
+ struct i2c_driver i2c_driver;
+
+ int (*encoder_init)(struct i2c_client *client,
+ struct drm_device *dev,
+ struct drm_encoder_slave *encoder);
+
+};
+#define to_drm_i2c_encoder_driver(x) container_of((x), \
+ struct drm_i2c_encoder_driver, \
+ i2c_driver)
+
+/**
+ * drm_i2c_encoder_get_client - Get the I2C client corresponding to an encoder
+ */
+static inline struct i2c_client *drm_i2c_encoder_get_client(struct drm_encoder *encoder)
+{
+ return (struct i2c_client *)to_encoder_slave(encoder)->bus_priv;
+}
+
+/**
+ * drm_i2c_encoder_register - Register an I2C encoder driver
+ * @owner: Module containing the driver.
+ * @driver: Driver to be registered.
+ */
+static inline int drm_i2c_encoder_register(struct module *owner,
+ struct drm_i2c_encoder_driver *driver)
+{
+ return i2c_register_driver(owner, &driver->i2c_driver);
+}
+
+/**
+ * drm_i2c_encoder_unregister - Unregister an I2C encoder driver
+ * @driver: Driver to be unregistered.
+ */
+static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *driver)
+{
+ i2c_del_driver(&driver->i2c_driver);
+}
+
+void drm_i2c_encoder_destroy(struct drm_encoder *encoder);
+
+#endif
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index ae304cc..1f90841 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -68,10 +68,11 @@
#define DRM_MODE_DPMS_OFF 3
/* Scaling mode options */
-#define DRM_MODE_SCALE_NON_GPU 0
-#define DRM_MODE_SCALE_FULLSCREEN 1
-#define DRM_MODE_SCALE_NO_SCALE 2
-#define DRM_MODE_SCALE_ASPECT 3
+#define DRM_MODE_SCALE_NONE 0 /* Unmodified timing (display or
+ software can still scale) */
+#define DRM_MODE_SCALE_FULLSCREEN 1 /* Full screen, ignore aspect */
+#define DRM_MODE_SCALE_CENTER 2 /* Centered, no scaling */
+#define DRM_MODE_SCALE_ASPECT 3 /* Full screen, preserve aspect */
/* Dithering mode options */
#define DRM_MODE_DITHERING_OFF 0
@@ -141,6 +142,7 @@
#define DRM_MODE_SUBCONNECTOR_Composite 5
#define DRM_MODE_SUBCONNECTOR_SVIDEO 6
#define DRM_MODE_SUBCONNECTOR_Component 8
+#define DRM_MODE_SUBCONNECTOR_SCART 9
#define DRM_MODE_CONNECTOR_Unknown 0
#define DRM_MODE_CONNECTOR_VGA 1
@@ -155,6 +157,7 @@
#define DRM_MODE_CONNECTOR_DisplayPort 10
#define DRM_MODE_CONNECTOR_HDMIA 11
#define DRM_MODE_CONNECTOR_HDMIB 12
+#define DRM_MODE_CONNECTOR_TV 13
struct drm_mode_get_connector {
diff --git a/include/drm/drm_sysfs.h b/include/drm/drm_sysfs.h
new file mode 100644
index 0000000..1d8e033
--- /dev/null
+++ b/include/drm/drm_sysfs.h
@@ -0,0 +1,12 @@
+#ifndef _DRM_SYSFS_H_
+#define _DRM_SYSFS_H_
+
+/**
+ * This minimalistic include file is intended for users (read TTM) that
+ * don't want to include the full drmP.h file.
+ */
+
+extern int drm_class_device_register(struct device *dev);
+extern void drm_class_device_unregister(struct device *dev);
+
+#endif
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index cd22ab4..4911461 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -155,6 +155,7 @@
* Members constant at init.
*/
+ struct ttm_bo_global *glob;
struct ttm_bo_device *bdev;
unsigned long buffer_start;
enum ttm_bo_type type;
@@ -245,14 +246,15 @@
* premapped region.
*/
+#define TTM_BO_MAP_IOMEM_MASK 0x80
struct ttm_bo_kmap_obj {
void *virtual;
struct page *page;
enum {
- ttm_bo_map_iomap,
- ttm_bo_map_vmap,
- ttm_bo_map_kmap,
- ttm_bo_map_premapped,
+ ttm_bo_map_iomap = 1 | TTM_BO_MAP_IOMEM_MASK,
+ ttm_bo_map_vmap = 2,
+ ttm_bo_map_kmap = 3,
+ ttm_bo_map_premapped = 4 | TTM_BO_MAP_IOMEM_MASK,
} bo_kmap_type;
};
@@ -522,8 +524,7 @@
static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
bool *is_iomem)
{
- *is_iomem = (map->bo_kmap_type == ttm_bo_map_iomap ||
- map->bo_kmap_type == ttm_bo_map_premapped);
+ *is_iomem = !!(map->bo_kmap_type & TTM_BO_MAP_IOMEM_MASK);
return map->virtual;
}
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index a68829d..e8cd6d2 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -32,6 +32,7 @@
#include "ttm/ttm_bo_api.h"
#include "ttm/ttm_memory.h"
+#include "ttm/ttm_module.h"
#include "drm_mm.h"
#include "linux/workqueue.h"
#include "linux/fs.h"
@@ -161,7 +162,7 @@
long last_lomem_page;
uint32_t page_flags;
unsigned long num_pages;
- struct ttm_bo_device *bdev;
+ struct ttm_bo_global *glob;
struct ttm_backend *be;
struct task_struct *tsk;
unsigned long start;
@@ -364,6 +365,64 @@
void (*fault_reserve_notify)(struct ttm_buffer_object *bo);
};
+/**
+ * struct ttm_bo_global_ref - Argument to initialize a struct ttm_bo_global.
+ */
+
+struct ttm_bo_global_ref {
+ struct ttm_global_reference ref;
+ struct ttm_mem_global *mem_glob;
+};
+
+/**
+ * struct ttm_bo_global - Buffer object driver global data.
+ *
+ * @mem_glob: Pointer to a struct ttm_mem_global object for accounting.
+ * @dummy_read_page: Pointer to a dummy page used for mapping requests
+ * of unpopulated pages.
+ * @shrink: A shrink callback object used for buffer object swap.
+ * @ttm_bo_extra_size: Extra size (sizeof(struct ttm_buffer_object) excluded)
+ * used by a buffer object. This is excluding page arrays and backing pages.
+ * @ttm_bo_size: This is @ttm_bo_extra_size + sizeof(struct ttm_buffer_object).
+ * @device_list_mutex: Mutex protecting the device list.
+ * This mutex is held while traversing the device list for pm options.
+ * @lru_lock: Spinlock protecting the bo subsystem lru lists.
+ * @device_list: List of buffer object devices.
+ * @swap_lru: Lru list of buffer objects used for swapping.
+ */
+
+struct ttm_bo_global {
+
+ /**
+ * Constant after init.
+ */
+
+ struct kobject kobj;
+ struct ttm_mem_global *mem_glob;
+ struct page *dummy_read_page;
+ struct ttm_mem_shrink shrink;
+ size_t ttm_bo_extra_size;
+ size_t ttm_bo_size;
+ struct mutex device_list_mutex;
+ spinlock_t lru_lock;
+
+ /**
+ * Protected by device_list_mutex.
+ */
+ struct list_head device_list;
+
+ /**
+ * Protected by the lru_lock.
+ */
+ struct list_head swap_lru;
+
+ /**
+ * Internal protection.
+ */
+ atomic_t bo_count;
+};
+
+
#define TTM_NUM_MEM_TYPES 8
#define TTM_BO_PRIV_FLAG_MOVING 0 /* Buffer object is moving and needs
@@ -372,16 +431,7 @@
/**
* struct ttm_bo_device - Buffer object driver device-specific data.
*
- * @mem_glob: Pointer to a struct ttm_mem_global object for accounting.
* @driver: Pointer to a struct ttm_bo_driver struct setup by the driver.
- * @count: Current number of buffer object.
- * @pages: Current number of pinned pages.
- * @dummy_read_page: Pointer to a dummy page used for mapping requests
- * of unpopulated pages.
- * @shrink: A shrink callback object used for buffre object swap.
- * @ttm_bo_extra_size: Extra size (sizeof(struct ttm_buffer_object) excluded)
- * used by a buffer object. This is excluding page arrays and backing pages.
- * @ttm_bo_size: This is @ttm_bo_extra_size + sizeof(struct ttm_buffer_object).
* @man: An array of mem_type_managers.
* @addr_space_mm: Range manager for the device address space.
* lru_lock: Spinlock that protects the buffer+device lru lists and
@@ -399,32 +449,21 @@
/*
* Constant after bo device init / atomic.
*/
-
- struct ttm_mem_global *mem_glob;
+ struct list_head device_list;
+ struct ttm_bo_global *glob;
struct ttm_bo_driver *driver;
- struct page *dummy_read_page;
- struct ttm_mem_shrink shrink;
-
- size_t ttm_bo_extra_size;
- size_t ttm_bo_size;
-
rwlock_t vm_lock;
+ struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES];
/*
* Protected by the vm lock.
*/
- struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES];
struct rb_root addr_space_rb;
struct drm_mm addr_space_mm;
/*
- * Might want to change this to one lock per manager.
- */
- spinlock_t lru_lock;
- /*
- * Protected by the lru lock.
+ * Protected by the global:lru lock.
*/
struct list_head ddestroy;
- struct list_head swap_lru;
/*
* Protected by load / firstopen / lastclose /unload sync.
@@ -640,6 +679,9 @@
unsigned long *bus_offset,
unsigned long *bus_size);
+extern void ttm_bo_global_release(struct ttm_global_reference *ref);
+extern int ttm_bo_global_init(struct ttm_global_reference *ref);
+
extern int ttm_bo_device_release(struct ttm_bo_device *bdev);
/**
@@ -657,7 +699,7 @@
* !0: Failure.
*/
extern int ttm_bo_device_init(struct ttm_bo_device *bdev,
- struct ttm_mem_global *mem_glob,
+ struct ttm_bo_global *glob,
struct ttm_bo_driver *driver,
uint64_t file_page_offset, bool need_dma32);
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index d8b8f04..6983a7c 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -32,6 +32,7 @@
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/errno.h>
+#include <linux/kobject.h>
/**
* struct ttm_mem_shrink - callback to shrink TTM memory usage.
@@ -60,34 +61,33 @@
* @queue: Wait queue for processes suspended waiting for memory.
* @lock: Lock to protect the @shrink - and the memory accounting members,
* that is, essentially the whole structure with some exceptions.
- * @emer_memory: Lowmem memory limit available for root.
- * @max_memory: Lowmem memory limit available for non-root.
- * @swap_limit: Lowmem memory limit where the shrink workqueue kicks in.
- * @used_memory: Currently used lowmem memory.
- * @used_total_memory: Currently used total (lowmem + highmem) memory.
- * @total_memory_swap_limit: Total memory limit where the shrink workqueue
- * kicks in.
- * @max_total_memory: Total memory available to non-root processes.
- * @emer_total_memory: Total memory available to root processes.
+ * @zones: Array of pointers to accounting zones.
+ * @num_zones: Number of populated entries in the @zones array.
+ * @zone_kernel: Pointer to the kernel zone.
+ * @zone_highmem: Pointer to the highmem zone if there is one.
+ * @zone_dma32: Pointer to the dma32 zone if there is one.
*
* Note that this structure is not per device. It should be global for all
* graphics devices.
*/
+#define TTM_MEM_MAX_ZONES 2
+struct ttm_mem_zone;
struct ttm_mem_global {
+ struct kobject kobj;
struct ttm_mem_shrink *shrink;
struct workqueue_struct *swap_queue;
struct work_struct work;
wait_queue_head_t queue;
spinlock_t lock;
- uint64_t emer_memory;
- uint64_t max_memory;
- uint64_t swap_limit;
- uint64_t used_memory;
- uint64_t used_total_memory;
- uint64_t total_memory_swap_limit;
- uint64_t max_total_memory;
- uint64_t emer_total_memory;
+ struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES];
+ unsigned int num_zones;
+ struct ttm_mem_zone *zone_kernel;
+#ifdef CONFIG_HIGHMEM
+ struct ttm_mem_zone *zone_highmem;
+#else
+ struct ttm_mem_zone *zone_dma32;
+#endif
};
/**
@@ -146,8 +146,13 @@
extern int ttm_mem_global_init(struct ttm_mem_global *glob);
extern void ttm_mem_global_release(struct ttm_mem_global *glob);
extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
- bool no_wait, bool interruptible, bool himem);
+ bool no_wait, bool interruptible);
extern void ttm_mem_global_free(struct ttm_mem_global *glob,
- uint64_t amount, bool himem);
+ uint64_t amount);
+extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
+ struct page *page,
+ bool no_wait, bool interruptible);
+extern void ttm_mem_global_free_page(struct ttm_mem_global *glob,
+ struct page *page);
extern size_t ttm_round_pot(size_t size);
#endif
diff --git a/include/drm/ttm/ttm_module.h b/include/drm/ttm/ttm_module.h
index d1d4338..cf416ae 100644
--- a/include/drm/ttm/ttm_module.h
+++ b/include/drm/ttm/ttm_module.h
@@ -32,6 +32,7 @@
#define _TTM_MODULE_H_
#include <linux/kernel.h>
+struct kobject;
#define TTM_PFX "[TTM] "
@@ -54,5 +55,6 @@
extern void ttm_global_release(void);
extern int ttm_global_item_ref(struct ttm_global_reference *ref);
extern void ttm_global_item_unref(struct ttm_global_reference *ref);
+extern struct kobject *ttm_get_kobj(void);
#endif /* _TTM_MODULE_H_ */