[PATCH 06/22] drm/i915/execlists: Do not propagate errors to dependent fences
Matthew Brost
matthew.brost at intel.com
Mon Aug 16 13:51:23 UTC 2021
Progagating errors to dependent fences is wrong, don't do it. Selftest
in following patch exposes this bug.
Fixes: 8e9f84cf5cac ("drm/i915/gt: Propagate change in error status to children on unhold")
Signed-off-by: Matthew Brost <matthew.brost at intel.com>
Cc: <stable at vger.kernel.org>
---
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index de5f9c86b9a4..cafb0608ffb4 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -2140,10 +2140,6 @@ static void __execlists_unhold(struct i915_request *rq)
if (p->flags & I915_DEPENDENCY_WEAK)
continue;
- /* 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;
--
2.32.0
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