From: Ville Syrjälä <ville.syrj...@linux.intel.com>

[ Upstream commit 34b86b75dfc90ab3d996c224314ce51772a3b351 ]

Mostly a cocci-job, but it flat out refused to remove the
declaration in drivers/gpu/drm/amd/display/dc/core/dc.c so
had to do that part manually.

@swap@
identifier TEMP;
expression A,B;
@@
- TEMP = A;
- A = B;
- B = TEMP;
+ swap(A, B);

@@
type T;
identifier swap.TEMP;
@@
(
- T TEMP;
|
- T TEMP = {...};
)
... when != TEMP

Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: Leo Li <sunpeng...@amd.com>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Cc: "Christian König" <christian.koe...@amd.com>
Cc: "David (ChunMing) Zhou" <david1.z...@amd.com>
Cc: amd-...@lists.freedesktop.org
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com>
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/display/dc/bios/bios_parser.c  | 7 ++-----
 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 8 ++------
 drivers/gpu/drm/amd/display/dc/core/dc.c           | 6 +-----
 3 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c 
b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index 221e0f56389f3..823843cd26133 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -2543,7 +2543,6 @@ static enum bp_result construct_integrated_info(
 
        /* Sort voltage table from low to high*/
        if (result == BP_RESULT_OK) {
-               struct clock_voltage_caps temp = {0, 0};
                uint32_t i;
                uint32_t j;
 
@@ -2553,10 +2552,8 @@ static enum bp_result construct_integrated_info(
                                                
info->disp_clk_voltage[j].max_supported_clk <
                                                
info->disp_clk_voltage[j-1].max_supported_clk) {
                                        /* swap j and j - 1*/
-                                       temp = info->disp_clk_voltage[j-1];
-                                       info->disp_clk_voltage[j-1] =
-                                                       
info->disp_clk_voltage[j];
-                                       info->disp_clk_voltage[j] = temp;
+                                       swap(info->disp_clk_voltage[j - 1],
+                                            info->disp_clk_voltage[j]);
                                }
                        }
                }
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c 
b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index dff65c0fe82f8..7873abea4112b 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -1613,8 +1613,6 @@ static enum bp_result construct_integrated_info(
 
        struct atom_common_table_header *header;
        struct atom_data_revision revision;
-
-       struct clock_voltage_caps temp = {0, 0};
        uint32_t i;
        uint32_t j;
 
@@ -1644,10 +1642,8 @@ static enum bp_result construct_integrated_info(
                                info->disp_clk_voltage[j-1].max_supported_clk
                                ) {
                                /* swap j and j - 1*/
-                               temp = info->disp_clk_voltage[j-1];
-                               info->disp_clk_voltage[j-1] =
-                                       info->disp_clk_voltage[j];
-                               info->disp_clk_voltage[j] = temp;
+                               swap(info->disp_clk_voltage[j - 1],
+                                    info->disp_clk_voltage[j]);
                        }
                }
        }
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c 
b/drivers/gpu/drm/amd/display/dc/core/dc.c
index b95a58aa82d91..47e7d11ca0c9c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -907,15 +907,11 @@ static void program_timing_sync(
 
                /* set first pipe with plane as master */
                for (j = 0; j < group_size; j++) {
-                       struct pipe_ctx *temp;
-
                        if (pipe_set[j]->plane_state) {
                                if (j == 0)
                                        break;
 
-                               temp = pipe_set[0];
-                               pipe_set[0] = pipe_set[j];
-                               pipe_set[j] = temp;
+                               swap(pipe_set[0], pipe_set[j]);
                                break;
                        }
                }
-- 
2.25.1



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