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| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2020-04-28 08:28:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-18 18:24:21 +0300 |
| commit | 43c8546bcd854806736d8a635a0d696504dd4c21 (patch) | |
| tree | f32256008cedf8988130d2dfbc27252f534e62eb /include/uapi | |
| parent | d35745bbec0958ec09a6580dea537828a571c632 (diff) | |
| download | linux-43c8546bcd854806736d8a635a0d696504dd4c21.tar.xz | |
drm/amdgpu: Add a UAPI flag for user to call mem_sync
When this flag is set in the CS IB flags, it causes
a memory cache flush of the GFX.
v2:
Move new flag to drm_amdgpu_cs_chunk_ib.flags
Bump up UAPI version
Remove condition on job != null to emit mem_sync
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index e01b673f0449..4e873dcbe68f 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -602,6 +602,10 @@ union drm_amdgpu_cs { */ #define AMDGPU_IB_FLAGS_SECURE (1 << 5) +/* Tell KMD to flush and invalidate caches + */ +#define AMDGPU_IB_FLAG_EMIT_MEM_SYNC (1 << 6) + struct drm_amdgpu_cs_chunk_ib { __u32 _pad; /** AMDGPU_IB_FLAG_* */ |