diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2023-10-02 14:33:15 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-01-15 18:35:36 -0500 |
| commit | d3f452f3a01e748cc6e569df6275e95b0efdb01f (patch) | |
| tree | 30cc6d345b49bf58d3d8ed9c61365a151210ac2d | |
| parent | d4b9cfe2c7255106f960cb8d8897e012870e0221 (diff) | |
drm/amdgpu: add new INFO IOCTL query for input power
Some chips provide both average and input power. Previously
we just exposed average power, add a new query for input
power.
Example userspace:
https://github.com/Umio-Yasuno/libdrm-amdgpu-sys-rs/tree/input_power
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index bf4f48fe438d..48496bb585c7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -1114,6 +1114,15 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } ui32 >>= 8; break; + case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER: + /* get input GPU power */ + if (amdgpu_dpm_read_sensor(adev, + AMDGPU_PP_SENSOR_GPU_INPUT_POWER, + (void *)&ui32, &ui32_size)) { + return -EINVAL; + } + ui32 >>= 8; + break; case AMDGPU_INFO_SENSOR_VDDNB: /* get VDDNB in millivolts */ if (amdgpu_dpm_read_sensor(adev, diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index ad21c613fec8..96e32dafd4f0 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -865,6 +865,8 @@ struct drm_amdgpu_cs_chunk_cp_gfx_shadow { #define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK 0xa /* Subquery id: Query GPU peak pstate memory clock */ #define AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK 0xb + /* Subquery id: Query input GPU power */ + #define AMDGPU_INFO_SENSOR_GPU_INPUT_POWER 0xc /* Number of VRAM page faults on CPU access. */ #define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E #define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F |