Commit 0ac74c6b authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Only emit a flush if there is an outstanding gpu write 



Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 6bda10d1

drivers/gpu/drm/i915/i915_gem.c

+3 −2
Original line number Diff line number Diff line
@@ -2154,6 +2154,7 @@ static int i915_ring_idle(struct drm_device *dev, 
	if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))

		return 0;



	if (!list_empty(&ring->gpu_write_list))

		i915_gem_flush_ring(dev, ring,

				    I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);

	return i915_wait_request(dev,