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drm/i915/gt: Propagate change in error status to children on unhold

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As we release the head requests back into the queue, propagate any
change in error status that may have occurred while the requests were
temporarily suspended.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/1277
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200304121849.2448028-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-03-04 12:18:49 +00:00
parent 36e191f064
commit 8e9f84cf5c
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/gt/intel_lrc.c
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@ -2600,6 +2600,10 @@ static void __execlists_unhold(struct i915_request *rq)
struct i915_request *w =
container_of(p->waiter, typeof(*w), sched);
/* Propagate any change in error status */
if (rq->fence.error)
i915_request_set_error_once(w, rq->fence.error);
if (w->engine != rq->engine)
continue;