diff options
Diffstat (limited to 'include/drm/drm_mm.h')
| -rw-r--r-- | include/drm/drm_mm.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index 5c7f15875b6a..f6a68ed5ecaf 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -180,7 +180,19 @@ static inline u64 drm_mm_hole_node_end(const struct drm_mm_node *hole_node) return __drm_mm_hole_node_end(hole_node); } -#define __drm_mm_nodes(mm) (&(mm)->head_node.node_list) +/** + * drm_mm_nodes - list of nodes under the drm_mm range manager + * @mm: the struct drm_mm range manger + * + * As the drm_mm range manager hides its node_list deep with its + * structure, extracting it looks painful and repetitive. This is + * not expected to be used outside of the drm_mm_for_each_node() + * macros and similar internal functions. + * + * Returns: + * The node list, may be empty. + */ +#define drm_mm_nodes(mm) (&(mm)->head_node.node_list) /** * drm_mm_for_each_node - iterator to walk over all allocated nodes @@ -191,7 +203,7 @@ static inline u64 drm_mm_hole_node_end(const struct drm_mm_node *hole_node) * with list_for_each, so not save against removal of elements. */ #define drm_mm_for_each_node(entry, mm) \ - list_for_each_entry(entry, __drm_mm_nodes(mm), node_list) + list_for_each_entry(entry, drm_mm_nodes(mm), node_list) /** * drm_mm_for_each_node_safe - iterator to walk over all allocated nodes @@ -203,7 +215,7 @@ static inline u64 drm_mm_hole_node_end(const struct drm_mm_node *hole_node) * with list_for_each_safe, so save against removal of elements. */ #define drm_mm_for_each_node_safe(entry, next, mm) \ - list_for_each_entry_safe(entry, next, __drm_mm_nodes(mm), node_list) + list_for_each_entry_safe(entry, next, drm_mm_nodes(mm), 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); \ |