On 14/06/2019 08:10, Chris Wilson wrote:
If we enter i915_request_wait() with an already completed request, but
unsignaled dma-fence, signal the fence before returning. This allows us
to execute any of the signal callbacks at the earliest opportunity.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index ead68a2ffeac..a82f3ff82b39 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1392,7 +1392,7 @@ long i915_request_wait(struct i915_request *rq,
might_sleep();
GEM_BUG_ON(timeout < 0);
- if (i915_request_completed(rq))
+ if (dma_fence_is_signaled(&rq->fence))
return timeout;
if (!timeout)
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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