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drm/amdgpu: add info ioctl query for vce clock info (v3)

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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>
This commit is contained in:
Alex Deucher 2016-10-07 12:12:46 -04:00
parent 66ba1afd85
commit bbe8797476
1 changed files with 20 additions and 0 deletions
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20
include/uapi/drm/amdgpu_drm.h
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@ -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
*/