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| author |   Christian König <christian.koenig@amd.com> | 2022-05-06 13:08:34 +0200 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-05-26 14:56:34 -0400 |
| commit | fab2cc8335839867a3db38f195441b9c7c6460f6 (patch) | |
| tree | 3bc3f3f64e986239eca0f5539a287b8e45777aa9 /include/uapi | |
| parent | drm/amdgpu: add beige goby PCI ID (diff) | |
| download | linux-dev-fab2cc8335839867a3db38f195441b9c7c6460f6.tar.xz linux-dev-fab2cc8335839867a3db38f195441b9c7c6460f6.zip | |
drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLE
Add a AMDGPU_GEM_CREATE_DISCARDABLE flag to note that the content of a BO
doesn't needs to be preserved during eviction.
KFD was already using a similar functionality for SVM BOs so replace the
internal flag with the new UAPI.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@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 d9d475d65c76..a81bef5cfeaa 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -140,6 +140,10 @@ extern "C" { * not require GTT memory accounting */ #define AMDGPU_GEM_CREATE_PREEMPTIBLE (1 << 11) +/* Flag that BO can be discarded under memory pressure without keeping the + * content. + */ +#define AMDGPU_GEM_CREATE_DISCARDABLE (1 << 12) struct drm_amdgpu_gem_create_in { /** the requested memory size */ |