From: Kevin Wang <Kevin1.Wang@xxxxxxx>
add sensor interface of get gpu power for debugfs and hwmon.
Signed-off-by: Kevin Wang <Kevin1.Wang@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 25dbeec..031812c 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1032,6 +1032,23 @@ static int smu_v11_0_thermal_get_temperature(struct smu_context *smu, uint32_t *
return 0;
}
+static int smu_v11_0_get_gpu_power(struct smu_context *smu, uint32_t *value)
+{
+ int ret = 0;
+ SmuMetrics_t metrics;
+
+ if (!value)
+ return -EINVAL;
+
+ ret = smu_update_table(smu, TABLE_SMU_METRICS, (void *)&metrics, false);
+ if (ret)
+ return ret;
+
+ *value = metrics.CurrSocketPower << 8;
+
+ return 0;
+}
+
static int smu_v11_0_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -1054,6 +1071,10 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
ret = smu_v11_0_thermal_get_temperature(smu, (uint32_t *)data);
*size = 4;
break;
+ case AMDGPU_PP_SENSOR_GPU_POWER:
+ ret = smu_v11_0_get_gpu_power(smu, (uint32_t *)data);
+ *size = 4;
+ break;
default:
ret = -EINVAL;
break;
--
2.7.4
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