drm/amdgpu: expose GPU sensor related information

This includes shader/memory clocks, temperature, GPU load, etc.

v2: - add sub-queries for AMDPGU_INFO_GPU_SENSOR_*
    - do not break the ABI
v3: - return -ENOENT when amdgpu_dpm == 0
    - expose more sensor queries
v4: - s/GPU_POWER/GPU_AVG_POWER/
    - improve VDDNB/VDDGFX query description
    - fix amdgpu_dpm check
v5: - agd: fix warning
v6: - agd: bump version

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-03-08 18:25:15 -05:00
commit 5ebbac4b5c
3 changed files with 97 additions and 1 deletions

View file

@ -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;
};
};