linux-kernel - [PATCH] drm/amd/display: Use swap() to simplify code

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Message-Id: <20250806124120.381818-1-liaoyuanhong@vivo.com>
Date: Wed,  6 Aug 2025 20:41:20 +0800
From: Liao Yuanhong <liaoyuanhong@...o.com>
To: Austin Zheng <austin.zheng@....com>,
	Jun Lei <jun.lei@....com>,
	Harry Wentland <harry.wentland@....com>,
	Leo Li <sunpeng.li@....com>,
	Rodrigo Siqueira <siqueira@...lia.com>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	amd-gfx@...ts.freedesktop.org (open list:AMD DISPLAY CORE),
	dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Cc: liaoyuanhong@...o.com
Subject: [PATCH] drm/amd/display: Use swap() to simplify code

Replace the original swapping logic with swap() to improve readability and
remove temporary variables

Signed-off-by: Liao Yuanhong <liaoyuanhong@...o.com>
---
 drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
index 5f1b49a50049..4cfe64aa8492 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
@@ -473,7 +473,6 @@ static void sort_pipes_for_splitting(struct dc_plane_pipe_pool *pipes)
 {
 	bool sorted, swapped;
 	unsigned int cur_index;
-	unsigned int temp;
 	int odm_slice_index;
 
 	for (odm_slice_index = 0; odm_slice_index < pipes->num_pipes_assigned_to_plane_for_odm_combine; odm_slice_index++) {
@@ -489,9 +488,8 @@ static void sort_pipes_for_splitting(struct dc_plane_pipe_pool *pipes)
 		swapped = false;
 		while (!sorted) {
 			if (pipes->pipes_assigned_to_plane[odm_slice_index][cur_index] > pipes->pipes_assigned_to_plane[odm_slice_index][cur_index + 1]) {
-				temp = pipes->pipes_assigned_to_plane[odm_slice_index][cur_index];
-				pipes->pipes_assigned_to_plane[odm_slice_index][cur_index] = pipes->pipes_assigned_to_plane[odm_slice_index][cur_index + 1];
-				pipes->pipes_assigned_to_plane[odm_slice_index][cur_index + 1] = temp;
+				swap(pipes->pipes_assigned_to_plane[odm_slice_index][cur_index + 1],
+					 pipes->pipes_assigned_to_plane[odm_slice_index][cur_index]);
 
 				swapped = true;
 			}
-- 
2.34.1