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Commit 7eb08a25 authored by Tvrtko Ursulin's avatar Tvrtko Ursulin
Browse files

drm/i915/bdw+: Replace list_del+list_add_tail with list_move_tail 



Same effect for slightly less source code and resulting binary.

Signed-off-by: default avatarTvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1452521321-4032-2-git-send-email-tvrtko.ursulin@linux.intel.com
parent bc95ce7f

drivers/gpu/drm/i915/intel_lrc.c

+6 −9
Original line number Diff line number Diff line
@@ -431,8 +431,7 @@ static void execlists_context_unqueue(struct intel_engine_cs *ring) 
			/* Same ctx: ignore first request, as second request

			 * will update tail past first request's workload */

			cursor->elsp_submitted = req0->elsp_submitted;

			list_del(&req0->execlist_link);

			list_add_tail(&req0->execlist_link,

			list_move_tail(&req0->execlist_link,

				       &ring->execlist_retired_req_list);

			req0 = cursor;

		} else {
@@ -485,8 +484,7 @@ static bool execlists_check_remove_request(struct intel_engine_cs *ring, 
			     "Never submitted head request\n");



			if (--head_req->elsp_submitted <= 0) {

				list_del(&head_req->execlist_link);

				list_add_tail(&head_req->execlist_link,

				list_move_tail(&head_req->execlist_link,

					       &ring->execlist_retired_req_list);

				return true;

			}
@@ -608,8 +606,7 @@ static int execlists_context_queue(struct drm_i915_gem_request *request) 
		if (request->ctx == tail_req->ctx) {

			WARN(tail_req->elsp_submitted != 0,

				"More than 2 already-submitted reqs queued\n");

			list_del(&tail_req->execlist_link);

			list_add_tail(&tail_req->execlist_link,

			list_move_tail(&tail_req->execlist_link,

				       &ring->execlist_retired_req_list);

		}

	}