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| author | Chunming Zhou <david1.zhou@amd.com> | 2018-04-02 05:20:44 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-04-11 20:08:01 +0200 |
| commit | 552825b28ddac200b6080d9e79f4121b68e1517d (patch) | |
| tree | a274b24b9c9c11789520e585265eb939fe11d83b /include/uapi/drm/amdgpu_drm.h | |
| parent | drm/amdgpu: Don't change preferred domian when fallback GTT v6 (diff) | |
| download | linux-552825b28ddac200b6080d9e79f4121b68e1517d.tar.xz linux-552825b28ddac200b6080d9e79f4121b68e1517d.zip | |
drm/amdgpu: add new bo flag that indicates BOs don't need fallback (v2)
user cases:
1. KFD wraps amdgpu_bo_create, they have no fallback case which is different
with amdgpu_gem_object_create.
since upstream branch has no amdgpu_amdkfd_gpuvm.c, which need KFD
guys add this flag to __alloc_memory_of_gpu:
+ flags |= AMDGPU_GEM_CREATE_NO_FALLBACK;
2. UMD can specify this flag for their allocation as well if they like.
v2: squash in merge conflict fix (Chunming)
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: felix.kuehling@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/uapi/drm/amdgpu_drm.h')
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index c363b67f2d0a..4f5a27d64c54 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -95,6 +95,8 @@ extern "C" { #define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID (1 << 6) /* Flag that BO sharing will be explicitly synchronized */ #define AMDGPU_GEM_CREATE_EXPLICIT_SYNC (1 << 7) +/* Flag that BO doesn't need fallback */ +#define AMDGPU_GEM_CREATE_NO_FALLBACK (1 << 8) struct drm_amdgpu_gem_create_in { /** the requested memory size */ |