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| author |   Xiaomeng Hou <Xiaomeng.Hou@amd.com> | 2019-12-04 13:35:18 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-12-11 15:22:07 -0500 |
| commit | 8fa6a7b0b3fdc6ec5454c7976f2ea1c18cd265bc (patch) | |
| tree | 88d355cf2a7a4a2f97d15cf1ac3c30d944c462fe /drivers/gpu/drm/amd/powerplay/renoir_ppt.c | |
| parent | drm/amd/powerplay: clear VBIOS scratchs on baco exit V2 (diff) | |
| download | wireguard-linux-8fa6a7b0b3fdc6ec5454c7976f2ea1c18cd265bc.tar.xz wireguard-linux-8fa6a7b0b3fdc6ec5454c7976f2ea1c18cd265bc.zip | |
drm/amd/powerplay: implement interface to retrieve gpu temperature for renoir
add sensor interface of get gpu temperature for debugfs.
Signed-off-by: Xiaomeng Hou <Xiaomeng.Hou@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/renoir_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index b076589c79ef..9befa50eafae 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -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); } |