v1:
1. change return value to avoid smu driver probe fails when FEATURE_PPT is
not enabled.
2. if FEATURE_PPT is not enabled, set power limit value to 0.
v2:
instead dev_err with dev_warn
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
uint32_t power_limit = 0;
int ret;
- if (!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT))
- return -EINVAL;
+ if (!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT)) {
+ if (current_power_limit)
+ *current_power_limit = 0;
+ if (default_power_limit)
+ *default_power_limit = 0;
+ if (max_power_limit)
+ *max_power_limit = 0;
+
+ dev_warn(smu->adev->dev,
+ "PPT feature is not enabled, power values can't be fetched.");
+
+ return 0;
+ }
/* Valid power data is available only from primary die.
* For secondary die show the value as 0.