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drm/i915: Ignore submit-fences on the same timeline

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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>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200508092933.738-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-05-08 10:29:25 +01:00
parent 972282c4cf
commit 2045d666ae
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_request.c
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@ -1242,6 +1242,9 @@ i915_request_await_execution(struct i915_request *rq,
continue;
}
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.