diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 75 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 20 |
3 files changed, 97 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b76cd699eb0d..6d5d0a74ad2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -60,9 +60,10 @@ * - 3.8.0 - Add support raster config init in the kernel * - 3.9.0 - Add support for memory query info about VRAM and GTT. * - 3.10.0 - Add support for new fences ioctl, new gem ioctl flags + * - 3.11.0 - Add support for sensor query info (clocks, temp, etc). */ #define KMS_DRIVER_MAJOR 3 -#define KMS_DRIVER_MINOR 10 +#define KMS_DRIVER_MINOR 11 #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; 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; diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 1c0ddf71193e..a30fe693175f 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -532,6 +532,22 @@ struct drm_amdgpu_cs_chunk_data { #define AMDGPU_INFO_VBIOS_IMAGE 0x2 /* Query UVD handles */ #define AMDGPU_INFO_NUM_HANDLES 0x1C +/* Query sensor related information */ +#define AMDGPU_INFO_SENSOR 0x1D + /* Subquery id: Query GPU shader clock */ + #define AMDGPU_INFO_SENSOR_GFX_SCLK 0x1 + /* Subquery id: Query GPU memory clock */ + #define AMDGPU_INFO_SENSOR_GFX_MCLK 0x2 + /* Subquery id: Query GPU temperature */ + #define AMDGPU_INFO_SENSOR_GPU_TEMP 0x3 + /* Subquery id: Query GPU load */ + #define AMDGPU_INFO_SENSOR_GPU_LOAD 0x4 + /* Subquery id: Query average GPU power */ + #define AMDGPU_INFO_SENSOR_GPU_AVG_POWER 0x5 + /* Subquery id: Query northbridge voltage */ + #define AMDGPU_INFO_SENSOR_VDDNB 0x6 + /* Subquery id: Query graphics voltage */ + #define AMDGPU_INFO_SENSOR_VDDGFX 0x7 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0 #define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff @@ -595,6 +611,10 @@ struct drm_amdgpu_info { __u32 type; __u32 offset; } vbios_info; + + struct { + __u32 type; + } sensor_info; }; }; |