drm: kill dead code in drm_mm.c

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Hellstrom <thellstrom@vmwgfx.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index b75eb55..a5a7a16 100644 (file)
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -48,36 +48,6 @@
 
 #define MM_UNUSED_TARGET 4
 
-unsigned long drm_mm_tail_space(struct drm_mm *mm)
-{
-       struct list_head *tail_node;
-       struct drm_mm_node *entry;
-
-       tail_node = mm->ml_entry.prev;
-       entry = list_entry(tail_node, struct drm_mm_node, ml_entry);
-       if (!entry->free)
-               return 0;
-
-       return entry->size;
-}
-
-int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size)
-{
-       struct list_head *tail_node;
-       struct drm_mm_node *entry;
-
-       tail_node = mm->ml_entry.prev;
-       entry = list_entry(tail_node, struct drm_mm_node, ml_entry);
-       if (!entry->free)
-               return -ENOMEM;
-
-       if (entry->size <= size)
-               return -ENOMEM;
-
-       entry->size -= size;
-       return 0;
-}
-
 static struct drm_mm_node *drm_mm_kmalloc(struct drm_mm *mm, int atomic)
 {
        struct drm_mm_node *child;
@@ -152,21 +122,6 @@ static int drm_mm_create_tail_node(struct drm_mm *mm,
        return 0;
 }
 
-int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size, int atomic)
-{
-       struct list_head *tail_node;
-       struct drm_mm_node *entry;
-
-       tail_node = mm->ml_entry.prev;
-       entry = list_entry(tail_node, struct drm_mm_node, ml_entry);
-       if (!entry->free) {
-               return drm_mm_create_tail_node(mm, entry->start + entry->size,
-                                              size, atomic);
-       }
-       entry->size += size;
-       return 0;
-}
-
 static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent,
                                                 unsigned long size,
                                                 int atomic)