drm/i915: Store a i915 backpointer from engine, and use it
text data bss dec hex filename
6309351 3578714 696320 10584385 a18141 vmlinux
6308391 3578714 696320 10583425 a17d81 vmlinux
Almost 1KiB of code reduction.
v2: More s/INTEL_INFO()->gen/INTEL_GEN()/ and IS_GENx() conversions
text data bss dec hex filename
6304579 3578778 696320 10579677 a16edd vmlinux
6303427 3578778 696320 10578525 a16a5d vmlinux
Now over 1KiB!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1462545621-30125-3-git-send-email-chris@chris-wilson.co.uk
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 1028047..a163037 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2537,15 +2537,15 @@
* Fire an error uevent so userspace can see that a hang or error
* was detected.
*/
-static void i915_reset_and_wakeup(struct drm_device *dev)
+static void i915_reset_and_wakeup(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct kobject *kobj = &dev_priv->dev->primary->kdev->kobj;
char *error_event[] = { I915_ERROR_UEVENT "=1", NULL };
char *reset_event[] = { I915_RESET_UEVENT "=1", NULL };
char *reset_done_event[] = { I915_ERROR_UEVENT "=0", NULL };
int ret;
- kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE, error_event);
+ kobject_uevent_env(kobj, KOBJ_CHANGE, error_event);
/*
* Note that there's only one work item which does gpu resets, so we
@@ -2559,8 +2559,7 @@
*/
if (i915_reset_in_progress(&dev_priv->gpu_error)) {
DRM_DEBUG_DRIVER("resetting chip\n");
- kobject_uevent_env(&dev->primary->kdev->kobj, KOBJ_CHANGE,
- reset_event);
+ kobject_uevent_env(kobj, KOBJ_CHANGE, reset_event);
/*
* In most cases it's guaranteed that we get here with an RPM
@@ -2571,7 +2570,7 @@
*/
intel_runtime_pm_get(dev_priv);
- intel_prepare_reset(dev);
+ intel_prepare_reset(dev_priv);
/*
* All state reset _must_ be completed before we update the
@@ -2579,14 +2578,14 @@
* pending state and not properly drop locks, resulting in
* deadlocks with the reset work.
*/
- ret = i915_reset(dev);
+ ret = i915_reset(dev_priv);
- intel_finish_reset(dev);
+ intel_finish_reset(dev_priv);
intel_runtime_pm_put(dev_priv);
if (ret == 0)
- kobject_uevent_env(&dev->primary->kdev->kobj,
+ kobject_uevent_env(kobj,
KOBJ_CHANGE, reset_done_event);
/*
@@ -2597,9 +2596,8 @@
}
}
-static void i915_report_and_clear_eir(struct drm_device *dev)
+static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t instdone[I915_NUM_INSTDONE_REG];
u32 eir = I915_READ(EIR);
int pipe, i;
@@ -2609,9 +2607,9 @@
pr_err("render error detected, EIR: 0x%08x\n", eir);
- i915_get_extra_instdone(dev, instdone);
+ i915_get_extra_instdone(dev_priv, instdone);
- if (IS_G4X(dev)) {
+ if (IS_G4X(dev_priv)) {
if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) {
u32 ipeir = I915_READ(IPEIR_I965);
@@ -2633,7 +2631,7 @@
}
}
- if (!IS_GEN2(dev)) {
+ if (!IS_GEN2(dev_priv)) {
if (eir & I915_ERROR_PAGE_TABLE) {
u32 pgtbl_err = I915_READ(PGTBL_ER);
pr_err("page table error\n");
@@ -2655,7 +2653,7 @@
pr_err(" INSTPM: 0x%08x\n", I915_READ(INSTPM));
for (i = 0; i < ARRAY_SIZE(instdone); i++)
pr_err(" INSTDONE_%d: 0x%08x\n", i, instdone[i]);
- if (INTEL_INFO(dev)->gen < 4) {
+ if (INTEL_GEN(dev_priv) < 4) {
u32 ipeir = I915_READ(IPEIR);
pr_err(" IPEIR: 0x%08x\n", I915_READ(IPEIR));
@@ -2699,10 +2697,10 @@
* so userspace knows something bad happened (should trigger collection
* of a ring dump etc.).
*/
-void i915_handle_error(struct drm_device *dev, u32 engine_mask,
+void i915_handle_error(struct drm_i915_private *dev_priv,
+ u32 engine_mask,
const char *fmt, ...)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
va_list args;
char error_msg[80];
@@ -2710,8 +2708,8 @@
vscnprintf(error_msg, sizeof(error_msg), fmt, args);
va_end(args);
- i915_capture_error_state(dev, engine_mask, error_msg);
- i915_report_and_clear_eir(dev);
+ i915_capture_error_state(dev_priv, engine_mask, error_msg);
+ i915_report_and_clear_eir(dev_priv);
if (engine_mask) {
atomic_or(I915_RESET_IN_PROGRESS_FLAG,
@@ -2733,7 +2731,7 @@
i915_error_wake_up(dev_priv, false);
}
- i915_reset_and_wakeup(dev);
+ i915_reset_and_wakeup(dev_priv);
}
/* Called from drm generic code, passed 'crtc' which
@@ -2851,9 +2849,9 @@
}
static bool
-ipehr_is_semaphore_wait(struct drm_device *dev, u32 ipehr)
+ipehr_is_semaphore_wait(struct drm_i915_private *dev_priv, u32 ipehr)
{
- if (INTEL_INFO(dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
return (ipehr >> 23) == 0x1c;
} else {
ipehr &= ~MI_SEMAPHORE_SYNC_MASK;
@@ -2866,10 +2864,10 @@
semaphore_wait_to_signaller_ring(struct intel_engine_cs *engine, u32 ipehr,
u64 offset)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct intel_engine_cs *signaller;
- if (INTEL_INFO(dev_priv)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
for_each_engine(signaller, dev_priv) {
if (engine == signaller)
continue;
@@ -2898,7 +2896,7 @@
static struct intel_engine_cs *
semaphore_waits_for(struct intel_engine_cs *engine, u32 *seqno)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
u32 cmd, ipehr, head;
u64 offset = 0;
int i, backwards;
@@ -2924,7 +2922,7 @@
return NULL;
ipehr = I915_READ(RING_IPEHR(engine->mmio_base));
- if (!ipehr_is_semaphore_wait(engine->dev, ipehr))
+ if (!ipehr_is_semaphore_wait(engine->i915, ipehr))
return NULL;
/*
@@ -2936,7 +2934,7 @@
* ringbuffer itself.
*/
head = I915_READ_HEAD(engine) & HEAD_ADDR;
- backwards = (INTEL_INFO(engine->dev)->gen >= 8) ? 5 : 4;
+ backwards = (INTEL_GEN(dev_priv) >= 8) ? 5 : 4;
for (i = backwards; i; --i) {
/*
@@ -2958,7 +2956,7 @@
return NULL;
*seqno = ioread32(engine->buffer->virtual_start + head + 4) + 1;
- if (INTEL_INFO(engine->dev)->gen >= 8) {
+ if (INTEL_GEN(dev_priv) >= 8) {
offset = ioread32(engine->buffer->virtual_start + head + 12);
offset <<= 32;
offset = ioread32(engine->buffer->virtual_start + head + 8);
@@ -2968,7 +2966,7 @@
static int semaphore_passed(struct intel_engine_cs *engine)
{
- struct drm_i915_private *dev_priv = engine->dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
struct intel_engine_cs *signaller;
u32 seqno;
@@ -3010,7 +3008,7 @@
if (engine->id != RCS)
return true;
- i915_get_extra_instdone(engine->dev, instdone);
+ i915_get_extra_instdone(engine->i915, instdone);
/* There might be unstable subunit states even when
* actual head is not moving. Filter out the unstable ones by
@@ -3051,8 +3049,7 @@
static enum intel_ring_hangcheck_action
ring_stuck(struct intel_engine_cs *engine, u64 acthd)
{
- struct drm_device *dev = engine->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = engine->i915;
enum intel_ring_hangcheck_action ha;
u32 tmp;
@@ -3060,7 +3057,7 @@
if (ha != HANGCHECK_HUNG)
return ha;
- if (IS_GEN2(dev))
+ if (IS_GEN2(dev_priv))
return HANGCHECK_HUNG;
/* Is the chip hanging on a WAIT_FOR_EVENT?
@@ -3070,19 +3067,19 @@
*/
tmp = I915_READ_CTL(engine);
if (tmp & RING_WAIT) {
- i915_handle_error(dev, 0,
+ i915_handle_error(dev_priv, 0,
"Kicking stuck wait on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);
return HANGCHECK_KICK;
}
- if (INTEL_INFO(dev)->gen >= 6 && tmp & RING_WAIT_SEMAPHORE) {
+ if (INTEL_GEN(dev_priv) >= 6 && tmp & RING_WAIT_SEMAPHORE) {
switch (semaphore_passed(engine)) {
default:
return HANGCHECK_HUNG;
case 1:
- i915_handle_error(dev, 0,
+ i915_handle_error(dev_priv, 0,
"Kicking stuck semaphore on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);
@@ -3097,7 +3094,7 @@
static unsigned kick_waiters(struct intel_engine_cs *engine)
{
- struct drm_i915_private *i915 = to_i915(engine->dev);
+ struct drm_i915_private *i915 = engine->i915;
unsigned user_interrupts = READ_ONCE(engine->user_interrupts);
if (engine->hangcheck.user_interrupts == user_interrupts &&
@@ -3126,7 +3123,6 @@
struct drm_i915_private *dev_priv =
container_of(work, typeof(*dev_priv),
gpu_error.hangcheck_work.work);
- struct drm_device *dev = dev_priv->dev;
struct intel_engine_cs *engine;
enum intel_engine_id id;
int busy_count = 0, rings_hung = 0;
@@ -3254,22 +3250,22 @@
}
if (rings_hung) {
- i915_handle_error(dev, rings_hung, "Engine(s) hung");
+ i915_handle_error(dev_priv, rings_hung, "Engine(s) hung");
goto out;
}
if (busy_count)
/* Reset timer case chip hangs without another request
* being added */
- i915_queue_hangcheck(dev);
+ i915_queue_hangcheck(dev_priv);
out:
ENABLE_RPM_WAKEREF_ASSERTS(dev_priv);
}
-void i915_queue_hangcheck(struct drm_device *dev)
+void i915_queue_hangcheck(struct drm_i915_private *dev_priv)
{
- struct i915_gpu_error *e = &to_i915(dev)->gpu_error;
+ struct i915_gpu_error *e = &dev_priv->gpu_error;
if (!i915.enable_hangcheck)
return;