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authorQianfeng Rong <rongqianfeng@vivo.com>2025-09-03 20:21:10 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-09-05 16:06:37 -0400
commit3f36e712a8b17d49c089706e229849d3f745a540 (patch)
tree1bc5565cc20ed952d7518e3d46569b1c4acde3e2 /drivers
parentdrm/amdgpu/vcn: Remove redundant ternary operators (diff)
downloadlinux-3f36e712a8b17d49c089706e229849d3f745a540.tar.gz
linux-3f36e712a8b17d49c089706e229849d3f745a540.zip
drm/radeon/ci_dpm: Use int type to store negative error codes
Change the 'ret' variable in ci_populate_all_graphic_levels() and ci_populate_all_memory_levels() from u32 to int, as it needs to store either negative error codes or zero returned by other functions. Storing the negative error codes in unsigned type, doesn't cause an issue at runtime but can be confusing. Additionally, assigning negative error codes to unsigned type may trigger a GCC warning when the -Wsign-conversion flag is enabled. No effect on runtime. Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/ci_dpm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 7c3a960f486a..1f9f4424055a 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -3238,7 +3238,8 @@ static int ci_populate_all_graphic_levels(struct radeon_device *rdev)
u32 level_array_size = sizeof(SMU7_Discrete_GraphicsLevel) *
SMU7_MAX_LEVELS_GRAPHICS;
SMU7_Discrete_GraphicsLevel *levels = pi->smc_state_table.GraphicsLevel;
- u32 i, ret;
+ int ret;
+ u32 i;
memset(levels, 0, level_array_size);
@@ -3285,7 +3286,8 @@ static int ci_populate_all_memory_levels(struct radeon_device *rdev)
u32 level_array_size = sizeof(SMU7_Discrete_MemoryLevel) *
SMU7_MAX_LEVELS_MEMORY;
SMU7_Discrete_MemoryLevel *levels = pi->smc_state_table.MemoryLevel;
- u32 i, ret;
+ int ret;
+ u32 i;
memset(levels, 0, level_array_size);