diff options
Diffstat (limited to 'include/drm/drm_buddy.h')
| -rw-r--r-- | include/drm/drm_buddy.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/drm/drm_buddy.h b/include/drm/drm_buddy.h index f524db152413..572077ff8ae7 100644 --- a/include/drm/drm_buddy.h +++ b/include/drm/drm_buddy.h @@ -22,6 +22,9 @@ start__ >= max__ || size__ > max__ - start__; \ }) +#define DRM_BUDDY_RANGE_ALLOCATION (1 << 0) +#define DRM_BUDDY_TOPDOWN_ALLOCATION (1 << 1) + struct drm_buddy_block { #define DRM_BUDDY_HEADER_OFFSET GENMASK_ULL(63, 12) #define DRM_BUDDY_HEADER_STATE GENMASK_ULL(11, 10) @@ -132,11 +135,17 @@ int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size); void drm_buddy_fini(struct drm_buddy *mm); struct drm_buddy_block * -drm_buddy_alloc_blocks(struct drm_buddy *mm, unsigned int order); +drm_get_buddy(struct drm_buddy_block *block); + +int drm_buddy_alloc_blocks(struct drm_buddy *mm, + u64 start, u64 end, u64 size, + u64 min_page_size, + struct list_head *blocks, + unsigned long flags); -int drm_buddy_alloc_range(struct drm_buddy *mm, - struct list_head *blocks, - u64 start, u64 size); +int drm_buddy_block_trim(struct drm_buddy *mm, + u64 new_size, + struct list_head *blocks); void drm_buddy_free_block(struct drm_buddy *mm, struct drm_buddy_block *block); |