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authorGeliang Tang <geliangtang@163.com>2015-11-21 22:04:04 +0800
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-11-24 11:47:48 +0100
commit18b40c58a184e99f01f3efa9c86d89e1a537e42e (patch)
tree2b3f872804ca17bce0fc8bc479b32f406bdfc5ac /include/drm/drm_mm.h
parenta48a62bc9226e731e2284afb1c782869a413e1b2 (diff)
downloadlinux-18b40c58a184e99f01f3efa9c86d89e1a537e42e.tar.bz2
drm/mm: rewrite drm_mm_for_each_hole
When backwards is 0, __drm_mm_for_each_hole is same as drm_mm_for_each_hole. So I rewrite drm_mm_for_each_hole by using __drm_mm_for_each_hole. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm/drm_mm.h')
-rw-r--r--include/drm/drm_mm.h23
1 files changed, 9 insertions, 14 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 0de6290df4da..a58cc6c05cd6 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -180,6 +180,14 @@ static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
&(mm)->head_node.node_list, \
node_list)
+#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
+ for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
+ &entry->hole_stack != &(mm)->hole_stack ? \
+ hole_start = drm_mm_hole_node_start(entry), \
+ hole_end = drm_mm_hole_node_end(entry), \
+ 1 : 0; \
+ entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+
/**
* drm_mm_for_each_hole - iterator to walk over all holes
* @entry: drm_mm_node used internally to track progress
@@ -200,20 +208,7 @@ static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
* going backwards.
*/
#define drm_mm_for_each_hole(entry, mm, hole_start, hole_end) \
- for (entry = list_entry((mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
- &entry->hole_stack != &(mm)->hole_stack ? \
- hole_start = drm_mm_hole_node_start(entry), \
- hole_end = drm_mm_hole_node_end(entry), \
- 1 : 0; \
- entry = list_entry(entry->hole_stack.next, struct drm_mm_node, hole_stack))
-
-#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
- for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
- &entry->hole_stack != &(mm)->hole_stack ? \
- hole_start = drm_mm_hole_node_start(entry), \
- hole_end = drm_mm_hole_node_end(entry), \
- 1 : 0; \
- entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+ __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, 0)
/*
* Basic range manager support (drm_mm.c)