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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c2
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c15
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h2
3 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 0c945e91d542..7c478e6cedae 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -229,6 +229,8 @@ static const char *hangcheck_action_to_str(enum intel_ring_hangcheck_action a)
return "wait";
case HANGCHECK_ACTIVE:
return "active";
+ case HANGCHECK_ACTIVE_LOOP:
+ return "active (loop)";
case HANGCHECK_KICK:
return "kick";
case HANGCHECK_HUNG:
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 6ef9d6fabf80..390ccc2a3096 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3189,8 +3189,14 @@ ring_stuck(struct intel_engine_cs *ring, u64 acthd)
struct drm_i915_private *dev_priv = dev->dev_private;
u32 tmp;
- if (ring->hangcheck.acthd != acthd)
- return HANGCHECK_ACTIVE;
+ if (acthd != ring->hangcheck.acthd) {
+ if (acthd > ring->hangcheck.max_acthd) {
+ ring->hangcheck.max_acthd = acthd;
+ return HANGCHECK_ACTIVE;
+ }
+
+ return HANGCHECK_ACTIVE_LOOP;
+ }
if (IS_GEN2(dev))
return HANGCHECK_HUNG;
@@ -3301,8 +3307,9 @@ static void i915_hangcheck_elapsed(unsigned long data)
switch (ring->hangcheck.action) {
case HANGCHECK_IDLE:
case HANGCHECK_WAIT:
- break;
case HANGCHECK_ACTIVE:
+ break;
+ case HANGCHECK_ACTIVE_LOOP:
ring->hangcheck.score += BUSY;
break;
case HANGCHECK_KICK:
@@ -3322,6 +3329,8 @@ static void i915_hangcheck_elapsed(unsigned long data)
*/
if (ring->hangcheck.score > 0)
ring->hangcheck.score--;
+
+ ring->hangcheck.acthd = ring->hangcheck.max_acthd = 0;
}
ring->hangcheck.seqno = seqno;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index ed5941078f92..70525d0c2c74 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -70,6 +70,7 @@ enum intel_ring_hangcheck_action {
HANGCHECK_IDLE = 0,
HANGCHECK_WAIT,
HANGCHECK_ACTIVE,
+ HANGCHECK_ACTIVE_LOOP,
HANGCHECK_KICK,
HANGCHECK_HUNG,
};
@@ -78,6 +79,7 @@ enum intel_ring_hangcheck_action {
struct intel_ring_hangcheck {
u64 acthd;
+ u64 max_acthd;
u32 seqno;
int score;
enum intel_ring_hangcheck_action action;