diff options
| author | Sunil Khatri <sunil.khatri@amd.com> | 2025-09-17 20:12:43 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-09-23 10:22:31 -0400 |
| commit | c5b3cc417b0260abc74ed32f6baa626c9de917c0 (patch) | |
| tree | b2a583424d55e738f504dc8172a259db52120a46 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | |
| parent | ae4d627e43ccecc403e7378811289b33de38e67d (diff) | |
drm/amdgpu: use hmm_pfns instead of array of pages
we dont need to allocate local array of pages to hold
the pages returned by the hmm, instead we could use
the hmm_range structure itself to get to hmm_pfn
and get the required pages directly.
This avoids call to alloc/free quite a lot.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index 1c5c7836ce4f..0be2728aa872 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -191,7 +191,7 @@ void amdgpu_ttm_recover_gart(struct ttm_buffer_object *tbo); 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, +int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct hmm_range **range); void amdgpu_ttm_tt_discard_user_pages(struct ttm_tt *ttm, struct hmm_range *range); @@ -199,7 +199,6 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm, struct hmm_range *range); #else static inline int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, - struct page **pages, struct hmm_range **range) { return -EPERM; @@ -215,7 +214,7 @@ static inline bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm, } #endif -void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct page **pages); +void amdgpu_ttm_tt_set_user_pages(struct ttm_tt *ttm, struct hmm_range *range); int amdgpu_ttm_tt_get_userptr(const struct ttm_buffer_object *tbo, uint64_t *user_addr); int amdgpu_ttm_tt_set_userptr(struct ttm_buffer_object *bo, |