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Diffstat (limited to 'include/drm/drm_mm.h')
-rw-r--r--include/drm/drm_mm.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 62329f9a42c..4c10be39a43 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);
@@ -99,6 +133,7 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
return block->mm;
}
+extern void drm_mm_debug_table(struct drm_mm *mm, const char *prefix);
#ifdef CONFIG_DEBUG_FS
int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm);
#endif