From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Mon, 11 Jan 2016 14:08:35 +0000 (+0000)
Subject: drm/i915/bdw+: Replace list_del+list_add_tail with list_move_tail
X-Git-Tag: next-20160210~57^2~2^2~64
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7eb08a25a4104ec6b2dfd78939606cff44a394e1;p=karo-tx-linux.git

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: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1452521321-4032-2-git-send-email-tvrtko.ursulin@linux.intel.com
---

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index f7fac5f3b5ce..ab344e0b878c 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -431,9 +431,8 @@ 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,
-				&ring->execlist_retired_req_list);
+			list_move_tail(&req0->execlist_link,
+				       &ring->execlist_retired_req_list);
 			req0 = cursor;
 		} else {
 			req1 = cursor;
@@ -485,9 +484,8 @@ 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,
-					&ring->execlist_retired_req_list);
+				list_move_tail(&head_req->execlist_link,
+					       &ring->execlist_retired_req_list);
 				return true;
 			}
 		}
@@ -608,9 +606,8 @@ 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,
-				&ring->execlist_retired_req_list);
+			list_move_tail(&tail_req->execlist_link,
+				       &ring->execlist_retired_req_list);
 		}
 	}