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drm/ttm: Export the ttm_k[un]map_atomic_prot API.

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It will be used by vmwgfx cpu blit.

Reviewed-by: Christian König <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Signed-off-by: Thomas Hellstrom <[email protected]>
This commit is contained in:
Thomas Hellstrom 2018-01-16 09:12:05 +01:00
commit 9c11fcf1a7
2 changed files with 30 additions and 5 deletions
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4
include/drm/ttm/ttm_bo_api.h
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@ -709,6 +709,10 @@ int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
struct ttm_bo_device *bdev);
void *ttm_kmap_atomic_prot(struct page *page, pgprot_t prot);
void ttm_kunmap_atomic_prot(void *addr, pgprot_t prot);
/**
* ttm_bo_io
*