Commit 8fa6a7b0 authored by Xiaomeng Hou's avatar Xiaomeng Hou Committed by Alex Deucher
Browse files

drm/amd/powerplay: implement interface to retrieve gpu temperature for renoir 



add sensor interface of get gpu temperature for debugfs.

Signed-off-by: default avatarXiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ae46533b

drivers/gpu/drm/amd/powerplay/renoir_ppt.c

+22 −0
Original line number Diff line number Diff line
@@ -412,6 +412,24 @@ static int renoir_unforce_dpm_levels(struct smu_context *smu) { 
	return ret;

}



static int renoir_get_gpu_temperature(struct smu_context *smu, uint32_t *value)

{

	int ret = 0;

	SmuMetrics_t metrics;



	if (!value)

		return -EINVAL;



	ret = renoir_get_metrics_table(smu, &metrics);

	if (ret)

		return ret;



	*value = (metrics.GfxTemperature / 100) *

		SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;



	return 0;

}



static int renoir_get_current_activity_percent(struct smu_context *smu,

					       enum amd_pp_sensors sensor,

					       uint32_t *value)
@@ -766,6 +784,10 @@ static int renoir_read_sensor(struct smu_context *smu, 
		ret = renoir_get_current_activity_percent(smu, sensor, (uint32_t *)data);

		*size = 4;

		break;

	case AMDGPU_PP_SENSOR_GPU_TEMP:

		ret = renoir_get_gpu_temperature(smu, (uint32_t *)data);

		*size = 4;

		break;

	default:

		ret = smu_v12_0_read_sensor(smu, sensor, data, size);

	}