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| author |   Jerome Glisse <jglisse@redhat.com> | 2009-12-07 15:52:56 +0100 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2009-12-10 15:09:01 +1000 |
| commit | a2e68e92d384d37c8cc6bb7206d43b1eb9bc3f08 (patch) | |
| tree | 5050cb18d00830a3f80ad650f8c16ed40953399c /include/drm/drm_mm.h | |
| parent | drm/radeon/kms: fix avivo tiling regression since radeon object rework (diff) | |
| download | linux-dev-a2e68e92d384d37c8cc6bb7206d43b1eb9bc3f08.tar.xz linux-dev-a2e68e92d384d37c8cc6bb7206d43b1eb9bc3f08.zip | |
drm: Add search/get functions to get a block in a specific range
These are required for changes to TTM.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/drm_mm.h')
| -rw-r--r-- | include/drm/drm_mm.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index 62329f9a42cb..b40b2f062039 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -66,6 +66,13 @@ extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node, unsigned long size, unsigned alignment, int atomic); +extern struct drm_mm_node *drm_mm_get_block_range_generic( + struct drm_mm_node *node, + unsigned long size, + unsigned alignment, + unsigned long start, + unsigned long end, + int atomic); static inline struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent, unsigned long size, unsigned alignment) @@ -78,11 +85,38 @@ static inline struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *pa { return drm_mm_get_block_generic(parent, size, alignment, 1); } +static inline struct drm_mm_node *drm_mm_get_block_range( + struct drm_mm_node *parent, + unsigned long size, + unsigned alignment, + unsigned long start, + unsigned long end) +{ + return drm_mm_get_block_range_generic(parent, size, alignment, + start, end, 0); +} +static inline struct drm_mm_node *drm_mm_get_block_atomic_range( + struct drm_mm_node *parent, + unsigned long size, + unsigned alignment, + unsigned long start, + unsigned long end) +{ + return drm_mm_get_block_range_generic(parent, size, alignment, + start, end, 1); +} extern void drm_mm_put_block(struct drm_mm_node *cur); extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, unsigned alignment, int best_match); +extern struct drm_mm_node *drm_mm_search_free_in_range( + const struct drm_mm *mm, + unsigned long size, + unsigned alignment, + unsigned long start, + unsigned long end, + int best_match); extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); extern void drm_mm_takedown(struct drm_mm *mm); |