diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 49f93ee019e3..027692bf8457 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -240,6 +240,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file uint32_t ui32 = 0; uint64_t ui64 = 0; int i, found; + int ui32_size = sizeof(ui32); if (!info->return_size || !info->return_pointer) return -EINVAL; @@ -596,6 +597,80 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return -EINVAL; } } + case AMDGPU_INFO_SENSOR: { + struct pp_gpu_power query = {0}; + int query_size = sizeof(query); + + if (amdgpu_dpm == 0) + return -ENOENT; + + switch (info->sensor_info.type) { + case AMDGPU_INFO_SENSOR_GFX_SCLK: + /* get sclk in Mhz */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GFX_SCLK, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + ui32 /= 100; + break; + case AMDGPU_INFO_SENSOR_GFX_MCLK: + /* get mclk in Mhz */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GFX_MCLK, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + ui32 /= 100; + break; + case AMDGPU_INFO_SENSOR_GPU_TEMP: + /* get temperature in millidegrees C */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GPU_TEMP, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + break; + case AMDGPU_INFO_SENSOR_GPU_LOAD: + /* get GPU load */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GPU_LOAD, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + break; + case AMDGPU_INFO_SENSOR_GPU_AVG_POWER: + /* get average GPU power */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GPU_POWER, + (void *)&query, &query_size)) { + return -EINVAL; + } + ui32 = query.average_gpu_power >> 8; + break; + case AMDGPU_INFO_SENSOR_VDDNB: + /* get VDDNB in millivolts */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_VDDNB, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + break; + case AMDGPU_INFO_SENSOR_VDDGFX: + /* get VDDGFX in millivolts */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_VDDGFX, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + break; + default: + DRM_DEBUG_KMS("Invalid request %d\n", + info->sensor_info.type); + return -EINVAL; + } + return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; + } default: DRM_DEBUG_KMS("Invalid request %d\n", info->query); return -EINVAL; |