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authorQianfeng Rong <rongqianfeng@vivo.com>2025-09-04 22:58:00 +0800
committerAlex Deucher <alexander.deucher@amd.com>2025-09-05 17:38:40 -0400
commitbddf30944d42e1fb7f105fad4e5f9e7e86ea871e (patch)
treeb83ca51e666d82cd468eb37cb8ca0b44182cfd82
parenta055658793ddce9f2554c0d77e4b404cd0ac4107 (diff)
drm/amd/pm: use int type to store negative error codes
Use int instead of uint32_t for 'ret' variable to store 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>
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c2
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c2
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
index 9a821563bc8e..14ccd743ca1d 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
@@ -1032,7 +1032,7 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr,
data->clock_vol_info.vdd_dep_on_fclk;
uint32_t i, now, size = 0;
uint32_t min_freq, max_freq = 0;
- uint32_t ret = 0;
+ int ret = 0;
switch (type) {
case PP_SCLK:
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
index baf51cd82a35..0d4cbe4113a0 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
@@ -401,7 +401,7 @@ failed:
int smu7_check_fw_load_finish(struct pp_hwmgr *hwmgr, uint32_t fw_type)
{
struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
- uint32_t ret;
+ int ret;
ret = phm_wait_on_indirect_register(hwmgr, mmSMC_IND_INDEX_11,
smu_data->soft_regs_start + smum_get_offsetof(hwmgr,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
index e97b0cf19197..3baf20f4c373 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
@@ -470,7 +470,7 @@ static int renoir_od_edit_dpm_table(struct smu_context *smu,
static int renoir_set_fine_grain_gfx_freq_parameters(struct smu_context *smu)
{
uint32_t min = 0, max = 0;
- uint32_t ret = 0;
+ int ret = 0;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_GetMinGfxclkFrequency,