[PATCH] drm/amd/display: Use swap() instead of open coding it

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Swap is a function interface that provides exchange function. To avoid
code duplication, we can use swap function.

./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:359:57-58: WARNING opportunity for swap().

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4448
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ae994c6c65ac..f6d9bbce15b2 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -352,13 +352,9 @@ static inline void reverse_planes_order(struct dc_surface_update *array_of_surfa
 					int planes_count)
 {
 	int i, j;
-	struct dc_surface_update surface_updates_temp;
 
-	for (i = 0, j = planes_count - 1; i < j; i++, j--) {
-		surface_updates_temp = array_of_surface_update[i];
-		array_of_surface_update[i] = array_of_surface_update[j];
-		array_of_surface_update[j] = surface_updates_temp;
-	}
+	for (i = 0, j = planes_count - 1; i < j; i++, j--)
+		swap(array_of_surface_update[i], array_of_surface_update[j]);
 }
 
 /**
-- 
2.20.1.7.g153144c




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