diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-10-03 13:45:16 +0100 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-10-10 16:06:42 +0300 |
| commit | 27399eeec28ff33a0c5216a80cf57cbc6ba3c15e (patch) | |
| tree | 2161f38161f0e0db295a7e96818acb1240538405 /drivers/gpu | |
| parent | ca5732c53bf66ad755284786897e0dd10330de87 (diff) | |
| download | linux-27399eeec28ff33a0c5216a80cf57cbc6ba3c15e.tar.bz2 | |
drm/i915: Use correct index for backtracking HUNG semaphores
When decoding the semaphores inside hangcheck, we need to use the hw-id
and not the local array index.
Fixes: de1add360522 ("drm/i915: Decouple execbuf uAPI ...")
Testcase: igt/gem_exec_whisper/hang # gen6-7
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161003124516.12388-3-chris@chris-wilson.co.uk
(cherry picked from commit 348b9b1192144e13b779f8f9be301d492bebaff2)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 13fae1c9dcc8..3fc286cd1157 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2822,7 +2822,7 @@ semaphore_wait_to_signaller_ring(struct intel_engine_cs *engine, u32 ipehr, if (engine == signaller) continue; - if (offset == signaller->semaphore.signal_ggtt[engine->id]) + if (offset == signaller->semaphore.signal_ggtt[engine->hw_id]) return signaller; } } else { @@ -2832,13 +2832,13 @@ semaphore_wait_to_signaller_ring(struct intel_engine_cs *engine, u32 ipehr, if(engine == signaller) continue; - if (sync_bits == signaller->semaphore.mbox.wait[engine->id]) + if (sync_bits == signaller->semaphore.mbox.wait[engine->hw_id]) return signaller; } } - DRM_DEBUG_DRIVER("No signaller ring found for ring %i, ipehr 0x%08x, offset 0x%016llx\n", - engine->id, ipehr, offset); + DRM_DEBUG_DRIVER("No signaller ring found for %s, ipehr 0x%08x, offset 0x%016llx\n", + engine->name, ipehr, offset); return ERR_PTR(-ENODEV); } |