[PATCH] drm/amd/pm: fix uninitialized variable warning for smu8_hwmgr
Tim Huang
Tim.Huang at amd.com
Fri Apr 26 09:29:09 UTC 2024
Clear warnings that using uninitialized value level when fails
to get the value from SMU.
Signed-off-by: Tim Huang <Tim.Huang at amd.com>
---
.../drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
index b015a601b385..4e4146ce71c1 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu8_hwmgr.c
@@ -584,6 +584,7 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr)
hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
unsigned long clock = 0;
uint32_t level;
+ int ret;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -591,7 +592,10 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr)
data->uvd_dpm.soft_min_clk = 0;
data->uvd_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level);
+
+ if (ret)
+ return ret;
if (level < table->count)
clock = table->entries[level].vclk;
@@ -611,6 +615,7 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr)
hwmgr->dyn_state.vce_clock_voltage_dependency_table;
unsigned long clock = 0;
uint32_t level;
+ int ret;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -618,7 +623,10 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr)
data->vce_dpm.soft_min_clk = 0;
data->vce_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level);
+
+ if (ret)
+ return ret;
if (level < table->count)
clock = table->entries[level].ecclk;
@@ -638,6 +646,7 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr)
hwmgr->dyn_state.acp_clock_voltage_dependency_table;
unsigned long clock = 0;
uint32_t level;
+ int ret;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -645,7 +654,10 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr)
data->acp_dpm.soft_min_clk = 0;
data->acp_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level);
+
+ if (ret)
+ return ret;
if (level < table->count)
clock = table->entries[level].acpclk;
--
2.39.2
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