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drm/amd/pm: disable OD_FAN_CURVE if temp or pwm range invalid for smu v13

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From Yang Wang
ba9be472a438ea348f0fffaaebf541960ee643db in linux-6.18.y/6.18.22
3e6dd28a11083e83e11a284d99fcc9eb748c321c in mainline linux
This commit is contained in:
jsg
2026-04-12 23:23:52 +00:00
parent 5fabc9c165
commit 6bc9155911
2 changed files with 64 additions and 2 deletions
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sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+32 -1
View File
@@ -59,6 +59,10 @@
#define to_amdgpu_device(x) (container_of(x, struct amdgpu_device, pm.smu_i2c))
static void smu_v13_0_0_get_od_setting_limits(struct smu_context *smu,
int od_feature_bit,
int32_t *min, int32_t *max);
#define FEATURE_MASK(feature) (1ULL << feature)
#define SMC_DPM_FEATURE ( \
FEATURE_MASK(FEATURE_DPM_GFXCLK_BIT) | \
@@ -1061,8 +1065,35 @@ static bool smu_v13_0_0_is_od_feature_supported(struct smu_context *smu,
PPTable_t *pptable = smu->smu_table.driver_pptable;
const OverDriveLimits_t * const overdrive_upperlimits =
&pptable->SkuTable.OverDriveLimitsBasicMax;
int32_t min_value, max_value;
bool feature_enabled;
return overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit);
switch (od_feature_bit) {
case PP_OD_FEATURE_FAN_CURVE_BIT:
feature_enabled = !!(overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit));
if (feature_enabled) {
smu_v13_0_0_get_od_setting_limits(smu, PP_OD_FEATURE_FAN_CURVE_TEMP,
&min_value, &max_value);
if (!min_value && !max_value) {
feature_enabled = false;
goto out;
}
smu_v13_0_0_get_od_setting_limits(smu, PP_OD_FEATURE_FAN_CURVE_PWM,
&min_value, &max_value);
if (!min_value && !max_value) {
feature_enabled = false;
goto out;
}
}
break;
default:
feature_enabled = !!(overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit));
break;
}
out:
return feature_enabled;
}
static void smu_v13_0_0_get_od_setting_limits(struct smu_context *smu,
sys/dev/pci/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+32 -1
View File
@@ -59,6 +59,10 @@
#define to_amdgpu_device(x) (container_of(x, struct amdgpu_device, pm.smu_i2c))
static void smu_v13_0_7_get_od_setting_limits(struct smu_context *smu,
int od_feature_bit,
int32_t *min, int32_t *max);
#define FEATURE_MASK(feature) (1ULL << feature)
#define SMC_DPM_FEATURE ( \
FEATURE_MASK(FEATURE_DPM_GFXCLK_BIT) | \
@@ -1050,8 +1054,35 @@ static bool smu_v13_0_7_is_od_feature_supported(struct smu_context *smu,
PPTable_t *pptable = smu->smu_table.driver_pptable;
const OverDriveLimits_t * const overdrive_upperlimits =
&pptable->SkuTable.OverDriveLimitsBasicMax;
int32_t min_value, max_value;
bool feature_enabled;
return overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit);
switch (od_feature_bit) {
case PP_OD_FEATURE_FAN_CURVE_BIT:
feature_enabled = !!(overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit));
if (feature_enabled) {
smu_v13_0_7_get_od_setting_limits(smu, PP_OD_FEATURE_FAN_CURVE_TEMP,
&min_value, &max_value);
if (!min_value && !max_value) {
feature_enabled = false;
goto out;
}
smu_v13_0_7_get_od_setting_limits(smu, PP_OD_FEATURE_FAN_CURVE_PWM,
&min_value, &max_value);
if (!min_value && !max_value) {
feature_enabled = false;
goto out;
}
}
break;
default:
feature_enabled = !!(overdrive_upperlimits->FeatureCtrlMask & (1U << od_feature_bit));
break;
}
out:
return feature_enabled;
}
static void smu_v13_0_7_get_od_setting_limits(struct smu_context *smu,