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| author | Kevin Wang <kevin1.wang@amd.com> | 2019-07-04 10:56:18 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-08 13:55:39 -0500 |
| commit | e5aa29ce23ba7a3dc0cb534cb71de444c223188d (patch) | |
| tree | 7fd4d4c8fdfa2e0c8c04d8f00c3a4d60ad0d3812 /drivers | |
| parent | 71cc9ef3f694ccd70ae929ad827da8b630b269c9 (diff) | |
| download | linux-e5aa29ce23ba7a3dc0cb534cb71de444c223188d.tar.bz2 | |
drm/amd/powerplay: add temperature sensor support for navi10
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index fe7b813d1522..411856246220 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -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; } |