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drm/i915: Specify which engines to reset following semaphore/event lockups
author
Chris Wilson
<chris@chris-wilson.co.uk>
Tue, 20 Mar 2018 10:04:48 +0000
(10:04 +0000)
committer
Rodrigo Vivi
<rodrigo.vivi@intel.com>
Wed, 21 Mar 2018 14:59:08 +0000
(07:59 -0700)
If the GPU is stuck waiting for an event or for a semaphore, we need to
reset the GPU in order to recover. We have to tell the reset routine
which engines we want reset, but we were still using the old interface
and declaring it as "not-fatal".
Fixes: 14b730fcb8d9 ("drm/i915/tdr: Prepare error handler to accept mask of hung engines")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/20180320100449.1360-1-chris@chris-wilson.co.uk
(cherry picked from commit
ca98317b89428e6ac17be0938b467ed78654dd56
)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
drivers/gpu/drm/i915/intel_hangcheck.c
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diff --git
a/drivers/gpu/drm/i915/intel_hangcheck.c
b/drivers/gpu/drm/i915/intel_hangcheck.c
index 348a4f7ffb674b435bdb77089f9c229abe171ab5..53747318f4a7162fe79f2217108ad889e138b3e7 100644
(file)
--- a/
drivers/gpu/drm/i915/intel_hangcheck.c
+++ b/
drivers/gpu/drm/i915/intel_hangcheck.c
@@
-246,7
+246,7
@@
engine_stuck(struct intel_engine_cs *engine, u64 acthd)
*/
tmp = I915_READ_CTL(engine);
if (tmp & RING_WAIT) {
- i915_handle_error(dev_priv,
0
,
+ i915_handle_error(dev_priv,
BIT(engine->id)
,
"Kicking stuck wait on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);
@@
-258,7
+258,7
@@
engine_stuck(struct intel_engine_cs *engine, u64 acthd)
default:
return ENGINE_DEAD;
case 1:
- i915_handle_error(dev_priv,
0
,
+ i915_handle_error(dev_priv,
ALL_ENGINES
,
"Kicking stuck semaphore on %s",
engine->name);
I915_WRITE_CTL(engine, tmp);