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authorSunil Khatri <[email protected]>2025-09-17 14:42:43 +0000
committerAlex Deucher <[email protected]>2025-09-23 14:22:31 +0000
commitc5b3cc417b0260abc74ed32f6baa626c9de917c0 (patch)
treeb2a583424d55e738f504dc8172a259db52120a46 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
parentdrm/amd/pm: place the smu 13.0.0 pptable header into the correct folder (diff)
downloadkernel-c5b3cc417b0260abc74ed32f6baa626c9de917c0.tar.gz
kernel-c5b3cc417b0260abc74ed32f6baa626c9de917c0.zip
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 <[email protected]> Suggested-by: Christian König <[email protected]> Reviewed-by: Christian König <[email protected]> Acked-by: Felix Kuehling <[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.h5
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,