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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-10-07 19:12:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-10-25 21:38:40 +0300 |
| commit | bbe879747629fef4b2b73034059e73b2a433e0d1 (patch) | |
| tree | f8c1d90baeebeac5661398934b7c42e7ce5e58d3 /include/uapi | |
| parent | 66ba1afd854211435cc91159a1ededb1d0f04464 (diff) | |
| download | linux-bbe879747629fef4b2b73034059e73b2a433e0d1.tar.xz | |
drm/amdgpu: add info ioctl query for vce clock info (v3)
This is needed to set up the vce clock table in userspace
for proper VCE DPM.
v2: fix copy paste typo in comment
v3: track number of valid states
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index b6a04d48f457..a03beb109d78 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -491,6 +491,8 @@ struct drm_amdgpu_cs_chunk_data { #define AMDGPU_INFO_NUM_EVICTIONS 0x18 /* Query memory about VRAM and GTT domains */ #define AMDGPU_INFO_MEMORY 0x19 +/* Query vce clock table */ +#define AMDGPU_INFO_VCE_CLOCK_TABLE 0x1A #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0 #define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff @@ -677,6 +679,24 @@ struct drm_amdgpu_info_hw_ip { __u32 _pad; }; +#define AMDGPU_VCE_CLOCK_TABLE_ENTRIES 6 + +struct drm_amdgpu_info_vce_clock_table_entry { + /** System clock */ + __u32 sclk; + /** Memory clock */ + __u32 mclk; + /** VCE clock */ + __u32 eclk; + __u32 pad; +}; + +struct drm_amdgpu_info_vce_clock_table { + struct drm_amdgpu_info_vce_clock_table_entry entries[AMDGPU_VCE_CLOCK_TABLE_ENTRIES]; + __u32 num_valid_entries; + __u32 pad; +}; + /* * Supported GPU families */ |