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Diffstat (limited to 'include/drm/drm_mm.h')
-rw-r--r--include/drm/drm_mm.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index e8740cc185cf..bf01531193d5 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -44,7 +44,10 @@
struct drm_mm_node {
struct list_head free_stack;
struct list_head node_list;
- int free;
+ unsigned free : 1;
+ unsigned scanned_block : 1;
+ unsigned scanned_prev_free : 1;
+ unsigned scanned_next_free : 1;
unsigned long start;
unsigned long size;
struct drm_mm *mm;
@@ -59,6 +62,11 @@ struct drm_mm {
struct list_head unused_nodes;
int num_unused;
spinlock_t unused_lock;
+ unsigned scan_alignment;
+ unsigned long scan_size;
+ unsigned long scan_hit_start;
+ unsigned scan_hit_size;
+ unsigned scanned_blocks;
};
/*
@@ -135,6 +143,11 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
return block->mm;
}
+void drm_mm_init_scan(struct drm_mm *mm, unsigned long size,
+ unsigned alignment);
+int drm_mm_scan_add_block(struct drm_mm_node *node);
+int drm_mm_scan_remove_block(struct drm_mm_node *node);
+
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);