diff options
| author | Christian König <christian.koenig@amd.com> | 2016-02-23 12:36:59 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-08 11:01:50 -0500 |
| commit | 2f568dbd6b944c2e8c0c54b53c2211c23995e6a4 (patch) | |
| tree | 385cdb8bc9d264b40e9f83e6e89440b867866c07 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | d564a06e1c9c285bab1c1579c18c811aa1271884 (diff) | |
drm/amdgpu: move get_user_pages out of amdgpu_ttm_tt_pin_userptr v6
That avoids lock inversion between the BO reservation lock
and the anon_vma lock.
v2:
* Changed amdgpu_bo_list_entry.user_pages to an array of pointers
* Lock mmap_sem only for get_user_pages
* Added invalidation of unbound userpointer BOs
* Fixed memory leak and page reference leak
v3 (chk):
* Revert locking mmap_sem only for_get user_pages
* Revert adding invalidation of unbound userpointer BOs
* Sanitize and fix error handling
v4 (chk):
* Init userpages pointer everywhere.
* Fix error handling when get_user_pages() fails.
* Add invalidation of unbound userpointer BOs again.
v5 (chk):
* Add maximum number of tries.
v6 (chk):
* Fix error handling when we run out of tries.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> (v4)
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index e0727de9c2b2..e32ab13227d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -471,6 +471,8 @@ struct amdgpu_bo_list_entry { struct ttm_validate_buffer tv; struct amdgpu_bo_va *bo_va; uint32_t priority; + struct page **user_pages; + int user_invalidated; }; struct amdgpu_bo_va_mapping { @@ -2365,11 +2367,14 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type, struct amdgpu_ring **out_ring); void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain); bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); +int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages); int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, uint32_t flags); struct mm_struct *amdgpu_ttm_tt_get_usermm(struct ttm_tt *ttm); bool amdgpu_ttm_tt_affect_userptr(struct ttm_tt *ttm, unsigned long start, unsigned long end); +bool amdgpu_ttm_tt_userptr_invalidated(struct ttm_tt *ttm, + int *last_invalidated); bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm); uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm, struct ttm_mem_reg *mem); |