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@vivo.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 5f1b49a500495b0e87212d0d02676b61de86b62d..4cfe64aa84927765d0dc1357fcf362144e7b5e92 100644 (file)
--- 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;
                        }