Commit 6a609b80 authored by Asad Kamal's avatar Asad Kamal Committed by Alex Deucher
Browse files

drm/amd/pm: Add NPM support for smu_v15_0_8 



Add node power management support for smu_v15_0_8

Signed-off-by: default avatarAsad Kamal <asad.kamal@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8847d599

drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c

+49 −0
Original line number Diff line number Diff line
@@ -558,6 +558,46 @@ static int smu_v15_0_8_get_system_metrics_table(struct smu_context *smu) 
	return 0;

}



static int smu_v15_0_8_get_npm_data(struct smu_context *smu,

				    enum amd_pp_sensors sensor,

				    uint32_t *value)

{

	struct smu_table_context *smu_table = &smu->smu_table;

	struct smu_table *tables = smu_table->tables;

	SystemMetricsTable_t *metrics;

	struct smu_table *sys_table;

	int ret;



	if (sensor == AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT) {

		/*TBD as of now put 0 */

		*value = 0;

		return 0;

	}



	ret = smu_v15_0_8_get_system_metrics_table(smu);

	if (ret)

		return ret;



	sys_table = &tables[SMU_TABLE_PMFW_SYSTEM_METRICS];

	metrics = (SystemMetricsTable_t *)sys_table->cache.buffer;



	switch (sensor) {

	case AMDGPU_PP_SENSOR_NODEPOWERLIMIT:

		*value = SMUQ10_ROUND(metrics->NodePowerLimit);

		break;

	case AMDGPU_PP_SENSOR_NODEPOWER:

		*value = SMUQ10_ROUND(metrics->NodePower);

		break;

	case AMDGPU_PP_SENSOR_GPPTRESIDENCY:

		*value = SMUQ10_ROUND(metrics->GlobalPPTResidencyAcc);

		break;

	default:

		return -EINVAL;

	}



	return 0;

}



static int smu_v15_0_8_read_sensor(struct smu_context *smu,

				   enum amd_pp_sensors sensor, void *data,

				   uint32_t *size)
@@ -607,6 +647,15 @@ static int smu_v15_0_8_read_sensor(struct smu_context *smu, 
		*(uint32_t *)data = dpm_context->board_volt;

		*size = 4;

		break;

	case AMDGPU_PP_SENSOR_NODEPOWERLIMIT:

	case AMDGPU_PP_SENSOR_NODEPOWER:

	case AMDGPU_PP_SENSOR_GPPTRESIDENCY:

	case AMDGPU_PP_SENSOR_MAXNODEPOWERLIMIT:

		ret = smu_v15_0_8_get_npm_data(smu, sensor, (uint32_t *)data);

		if (ret)

			return ret;

		*size = 4;

		break;

	case AMDGPU_PP_SENSOR_GPU_AVG_POWER:

	default:

		ret = -EOPNOTSUPP;