drm/amdgpu/swsmu: implement power metrics for RENOIR

Grab the data from the SMU metrics table.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 ac81f2f..3b9ac72 100644 (file)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
@@ -637,6 +637,23 @@ static int renoir_get_vddc(struct smu_context *smu, uint32_t *value,
        return 0;
 }
 
+static int renoir_get_power(struct smu_context *smu, uint32_t *value)
+{
+       int ret = 0;
+       SmuMetrics_t metrics;
+
+       if (!value)
+               return -EINVAL;
+
+       ret = smu_cmn_get_metrics_table(smu, &metrics, false);
+       if (ret)
+               return ret;
+
+       *value = metrics.CurrentSocketPower << 8;
+
+       return 0;
+}
+
 /**
  * This interface get dpm clock table for dc
  */
@@ -981,6 +998,10 @@ static int renoir_read_sensor(struct smu_context *smu,
                ret = renoir_get_vddc(smu, (uint32_t *)data, 1);
                *size = 4;
                break;
+       case AMDGPU_PP_SENSOR_GPU_POWER:
+               ret = renoir_get_power(smu, (uint32_t *)data);
+               *size = 4;
+               break;
        default:
                ret = -EOPNOTSUPP;
                break;