drm: update core memory manager from git drm tree

Remove the memory manager parameter from the put_block function, as this
makes the client code a lot cleaner. Prepare buffer manager for lock and
unlock calls.
Fix buggy aligned allocations.
Remove the stupid root_node field from the core memory manager.
Support multi-page buffer offset alignments
Add improved alignment functionality to the core memory manager.
This makes an allocated block actually align itself and returns any
wasted space to the manager.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 63042ca9fffe..85d99e21e188 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -532,11 +532,13 @@ typedef struct drm_mm_node {
         int free;
         unsigned long start;
         unsigned long size;
+        struct drm_mm *mm;
         void *private;
 } drm_mm_node_t;
 
 typedef struct drm_mm {
-        drm_mm_node_t root_node;
+        struct list_head fl_entry;
+        struct list_head ml_entry;
 } drm_mm_t;
 
 /**
@@ -1050,11 +1052,15 @@ extern void drm_sysfs_device_remove(struct class_device *class_dev);
 extern drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
                                        unsigned long size,
                                        unsigned alignment);
-extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur);
+void drm_mm_put_block(drm_mm_node_t * cur);
 extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
                                          unsigned alignment, int best_match);
 extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size);
 extern void drm_mm_takedown(drm_mm_t *mm);
+extern int drm_mm_clean(drm_mm_t *mm);
+extern unsigned long drm_mm_tail_space(drm_mm_t *mm);
+extern int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size);
+extern int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size);
 
 extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
 extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);