[01/11] drm/i915: Ignore submit-fences on the same timeline
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Message ID 20200508081630.13882-1-chris@chris-wilson.co.uk
State New
Headers show
  • [01/11] drm/i915: Ignore submit-fences on the same timeline
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Commit Message

Chris Wilson May 8, 2020, 8:16 a.m. UTC
While we ordinarily do not skip submit-fences due to the accompanying
hook that we want to callback on execution, a submit-fence on the same
timeline is meaningless.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
 drivers/gpu/drm/i915/i915_request.c | 3 +++
 1 file changed, 3 insertions(+)

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diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 589739bfee25..be2ce9065a29 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1242,6 +1242,9 @@  i915_request_await_execution(struct i915_request *rq,
+		if (fence->context == rq->fence.context)
+			continue;
 		 * We don't squash repeated fence dependencies here as we
 		 * want to run our callback in all cases.