[PATCH] drm/amdgpu/display: make various arrays static, makes object smaller

From: Colin King
Date: Mon Oct 07 2019 - 17:59:03 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Don't populate the arrays on the stack but instead make them
static. Makes the object code smaller by 158 bytes.

Before:
text data bss dec hex filename
32468 2072 0 34540 86ec display/dc/bios/bios_parser.o
22198 1088 0 23286 5af6 display/dc/bios/bios_parser2.o
22278 1076 0 23354 5b3a display/dc/dce/dce_mem_input.o

81180
After:
text data bss dec hex filename
32341 2136 0 34477 86ad display/dc/bios/bios_parser.o
22070 1184 0 23254 5ad6 display/dc/bios/bios_parser2.o
22119 1172 0 23291 5afb display/dc/dce/dce_mem_input.o

(gcc version 9.2.1, amd64)

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 2 +-
drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 2 +-
drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c | 2 +-
3 files changed, 3 insertions(+), 3 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 221e0f56389f..65ab225cf542 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -2745,7 +2745,7 @@ static enum bp_result bios_get_board_layout_info(
struct bios_parser *bp;
enum bp_result record_result;

- const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
+ static const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
0, 0
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 dff65c0fe82f..809c4a89b899 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -1832,7 +1832,7 @@ static enum bp_result bios_get_board_layout_info(
struct bios_parser *bp;
enum bp_result record_result;

- const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
+ static const unsigned int slot_index_to_vbios_id[MAX_BOARD_SLOTS] = {
GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID1,
GENERICOBJECT_BRACKET_LAYOUT_ENUM_ID2,
0, 0
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
index 8aa937f496c4..ed0031d5e021 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_mem_input.c
@@ -395,7 +395,7 @@ static void program_size_and_rotation(
{
const struct rect *in_rect = &plane_size->surface_size;
struct rect hw_rect = plane_size->surface_size;
- const uint32_t rotation_angles[ROTATION_ANGLE_COUNT] = {
+ static const uint32_t rotation_angles[ROTATION_ANGLE_COUNT] = {
[ROTATION_ANGLE_0] = 0,
[ROTATION_ANGLE_90] = 1,
[ROTATION_ANGLE_180] = 2,
--
2.20.1