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drm/amd/powerplay: add temperature sensor support for navi10

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the hwmon interface need temperature sensor type support.
1. SENSOR_HOTSPOT_TEMP
2. SENSOR_EDGE_TEMP(SENSOR_GPU_TEMP)
3. SENSOR_MEM_TEMP

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-07-04 10:56:18 +08:00 committed by Alex Deucher
parent 71cc9ef3f6
commit e5aa29ce23
1 changed files with 41 additions and 0 deletions
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41
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@ -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;
}