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authorJerome Glisse <jglisse@redhat.com>2009-12-07 15:52:56 +0100
committerDave Airlie <airlied@redhat.com>2009-12-10 15:09:01 +1000
commita2e68e92d384d37c8cc6bb7206d43b1eb9bc3f08 (patch)
tree5050cb18d00830a3f80ad650f8c16ed40953399c /include/drm
parentcf2f05d30dacab32e6866347be6cbfa4030b33b7 (diff)
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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')
-rw-r--r--include/drm/drm_mm.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 62329f9..b40b2f0 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);