drm/amd/powerplay: add temperature sensor support for navi10 (e5aa29ce) · Commits · 戴 / test

drivers/gpu/drm/amd/powerplay/navi10_ppt.c

+41 −0

Original line number	Diff line number	Diff line
		@@ -1255,6 +1255,41 @@ static int navi10_set_watermarks_table(struct smu_context *smu,
		return 0;
		}

		static int navi10_thermal_get_temperature(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_HOTSPOT_TEMP:
		value = metrics.TemperatureHotspot
		SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
		break;
		case AMDGPU_PP_SENSOR_EDGE_TEMP:
		value = metrics.TemperatureEdge
		SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
		break;
		case AMDGPU_PP_SENSOR_MEM_TEMP:
		value = metrics.TemperatureMem
		SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
		break;
		default:
		pr_err("Invalid sensor for retrieving temp\n");
		return -EINVAL;
		}

		return 0;
		}

		static int navi10_read_sensor(struct smu_context *smu,
		enum amd_pp_sensors sensor,
		void data, uint32_t size)
		@@ -1276,6 +1311,12 @@ static int navi10_read_sensor(struct smu_context *smu,
		ret = navi10_get_gpu_power(smu, (uint32_t *)data);
		*size = 4;
		break;
		case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
		case AMDGPU_PP_SENSOR_EDGE_TEMP:
		case AMDGPU_PP_SENSOR_MEM_TEMP:
		ret = navi10_thermal_get_temperature(smu, sensor, (uint32_t *)data);
		*size = 4;
		break;
		default:
		return -EINVAL;
		}