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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-09 10:57:55 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-04-09 12:09:29 +0100 |
| commit | 12471ba87a08bd1dd0aac18015d7782e02ea02de (patch) | |
| tree | 06c4e5e6bcd30f17b93b933e8f04580a7dbb57af /drivers/gpu/drm/i915/intel_ringbuffer.h | |
| parent | c04e0f3b4ea01b3b1d81ccfce0a73bb0b297ba46 (diff) | |
| download | linux-12471ba87a08bd1dd0aac18015d7782e02ea02de.tar.gz | |
drm/i915: Harden detection of missed interrupts
Only declare a missed interrupt if we find that the GPU is idle with
waiters and a hangcheck interval has passed in which no new user
interrupts have been raised.
v2: Clear the stuck interrupt marker between successful batches
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460195877-20520-3-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 3f04906a081f..29c54cc1ee5c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -87,6 +87,7 @@ enum intel_ring_hangcheck_action { struct intel_ring_hangcheck { u64 acthd; u32 seqno; + unsigned user_interrupts; int score; enum intel_ring_hangcheck_action action; int deadlock; @@ -305,6 +306,7 @@ struct intel_engine_cs { * inspecting request list. */ u32 last_submitted_seqno; + unsigned user_interrupts; bool gpu_caches_dirty; |