drm/amdgpu: add VRAM lost query

Allows userspace to figure out if VRAM was lost.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-10-09 17:53:06 +02:00 • committed by Alex Deucher
commit 1f7251b73e
2 changed files with 4 additions and 0 deletions

View file

@ -657,6 +657,7 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_SENSOR_VDDGFX 0x7
/* Number of VRAM page faults on CPU access. */
#define AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS 0x1E
#define AMDGPU_INFO_VRAM_LOST_COUNTER 0x1F
#define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0
#define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff