Query the metrics table to get the average sclk and uclk.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 9204e4e50d09..763d73af6cd1 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -3117,6 +3117,36 @@ static int vega20_thermal_get_temperature(struct
smu_context *smu,
return 0;
}
+
+static int vega20_get_avg_clocks(struct smu_context *smu,
+ enum amd_pp_sensors sensor,
+ uint32_t *value)
+{
+ SmuMetrics_t metrics;
+ int ret = 0;
+
+ if (!value)
+ return -EINVAL;
+
+ ret = smu_update_table(smu, SMU_TABLE_SMU_METRICS, (void *)&metrics,
false);
+ if (ret)
+ return ret;
+
+ switch (sensor) {
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ *value = metrics.AverageGfxclkFrequency * 100;
+ break;
+ case AMDGPU_PP_SENSOR_GFX_MCLK:
+ *value = metrics.AverageUclkFrequency * 100;
+ break;
+ default:
+ pr_err("Invalid sensor for retrieving avg clock\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int vega20_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -3147,6 +3177,11 @@ static int vega20_read_sensor(struct smu_context *smu,
ret = vega20_thermal_get_temperature(smu, sensor, (uint32_t
*)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GFX_SCLK:
+ case AMDGPU_PP_SENSOR_GFX_MCLK:
+ ret = vega20_get_avg_clocks(smu, sensor, (uint32_t *)data);
+ *size = 4;
+ break;
default:
return -EINVAL;
}
--
2.20.1
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