diff options
| author | Felix Kuehling <[email protected]> | 2021-04-22 01:09:54 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-12-14 14:48:05 +0000 |
| commit | f95f51a4c3357eabf74fe14ab7daa5b5c0422b27 (patch) | |
| tree | f74905009f1ef2b536fdbc3b0f4a22a9a8e69f27 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | |
| parent | drm/amd/display: Add DCN314 display SG Support (diff) | |
| download | kernel-f95f51a4c3357eabf74fe14ab7daa5b5c0422b27.tar.gz kernel-f95f51a4c3357eabf74fe14ab7daa5b5c0422b27.zip | |
drm/amdgpu: Add notifier lock for KFD userptrs
Add a per-process MMU notifier lock for processing notifiers from
userptrs. Use that lock to properly synchronize page table updates with
MMU notifiers.
Signed-off-by: Felix Kuehling <[email protected]>
Reviewed-by: Xiaogang Chen<[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index b4d8ba2789f3..e2cd5894afc9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -159,6 +159,8 @@ uint64_t amdgpu_ttm_domain_start(struct amdgpu_device *adev, uint32_t type); #if IS_ENABLED(CONFIG_DRM_AMDGPU_USERPTR) int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages, struct hmm_range **range); +void amdgpu_ttm_tt_discard_user_pages(struct ttm_tt *ttm, + struct hmm_range *range); bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm, struct hmm_range *range); #else @@ -168,6 +170,10 @@ static inline int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, { return -EPERM; } +static inline void amdgpu_ttm_tt_discard_user_pages(struct ttm_tt *ttm, + struct hmm_range *range) +{ +} static inline bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm, struct hmm_range *range) { |