Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> Settting up the irq to signal the request completion takes a finite
^-t
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> amount of time, during which it is possible that the request already
> completed. Check afterwards, just in case, so that we can respond
> immediately.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem_request.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
> index 0d1e0d8873ef..46d869e26b4d 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.c
> +++ b/drivers/gpu/drm/i915/i915_gem_request.c
> @@ -62,7 +62,7 @@ static bool i915_fence_enable_signaling(struct dma_fence *fence)
> return false;
>
> intel_engine_enable_signaling(to_request(fence), true);
> - return true;
> + return !i915_fence_signaled(fence);
> }
>
> static signed long i915_fence_wait(struct dma_fence *fence,
> --
> 2.11.0
>
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