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Diffstat (limited to 'include/drm/drm_mm.h')
-rw-r--r--include/drm/drm_mm.h93
1 files changed, 78 insertions, 15 deletions
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 564b14aa7e1..06d7f798a08 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -50,6 +50,7 @@ struct drm_mm_node {
unsigned scanned_next_free : 1;
unsigned scanned_preceeds_hole : 1;
unsigned allocated : 1;
+ unsigned long color;
unsigned long start;
unsigned long size;
struct drm_mm *mm;
@@ -66,6 +67,7 @@ struct drm_mm {
spinlock_t unused_lock;
unsigned int scan_check_range : 1;
unsigned scan_alignment;
+ unsigned long scan_color;
unsigned long scan_size;
unsigned long scan_hit_start;
unsigned scan_hit_size;
@@ -73,6 +75,9 @@ struct drm_mm {
unsigned long scan_start;
unsigned long scan_end;
struct drm_mm_node *prev_scanned_node;
+
+ void (*color_adjust)(struct drm_mm_node *node, unsigned long color,
+ unsigned long *start, unsigned long *end);
};
static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
@@ -100,11 +105,13 @@ static inline bool drm_mm_initialized(struct drm_mm *mm)
extern struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node,
unsigned long size,
unsigned alignment,
+ unsigned long color,
int atomic);
extern struct drm_mm_node *drm_mm_get_block_range_generic(
struct drm_mm_node *node,
unsigned long size,
unsigned alignment,
+ unsigned long color,
unsigned long start,
unsigned long end,
int atomic);
@@ -112,13 +119,13 @@ static inline struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent,
unsigned long size,
unsigned alignment)
{
- return drm_mm_get_block_generic(parent, size, alignment, 0);
+ return drm_mm_get_block_generic(parent, size, alignment, 0, 0);
}
static inline struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
unsigned long size,
unsigned alignment)
{
- return drm_mm_get_block_generic(parent, size, alignment, 1);
+ return drm_mm_get_block_generic(parent, size, alignment, 0, 1);
}
static inline struct drm_mm_node *drm_mm_get_block_range(
struct drm_mm_node *parent,
@@ -127,8 +134,19 @@ static inline struct drm_mm_node *drm_mm_get_block_range(
unsigned long start,
unsigned long end)
{
- return drm_mm_get_block_range_generic(parent, size, alignment,
- start, end, 0);
+ return drm_mm_get_block_range_generic(parent, size, alignment, 0,
+ start, end, 0);
+}
+static inline struct drm_mm_node *drm_mm_get_color_block_range(
+ struct drm_mm_node *parent,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ unsigned long start,
+ unsigned long end)
+{
+ return drm_mm_get_block_range_generic(parent, size, alignment, color,
+ start, end, 0);
}
static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
struct drm_mm_node *parent,
@@ -137,7 +155,7 @@ static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
unsigned long start,
unsigned long end)
{
- return drm_mm_get_block_range_generic(parent, size, alignment,
+ return drm_mm_get_block_range_generic(parent, size, alignment, 0,
start, end, 1);
}
extern int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
@@ -149,18 +167,59 @@ extern int drm_mm_insert_node_in_range(struct drm_mm *mm,
extern void drm_mm_put_block(struct drm_mm_node *cur);
extern void drm_mm_remove_node(struct drm_mm_node *node);
extern void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
-extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
- unsigned long size,
- unsigned alignment,
- int best_match);
-extern struct drm_mm_node *drm_mm_search_free_in_range(
+extern struct drm_mm_node *drm_mm_search_free_generic(const struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ bool best_match);
+extern struct drm_mm_node *drm_mm_search_free_in_range_generic(
+ const struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ unsigned long start,
+ unsigned long end,
+ bool best_match);
+static inline struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ bool best_match)
+{
+ return drm_mm_search_free_generic(mm,size, alignment, 0, best_match);
+}
+static inline struct drm_mm_node *drm_mm_search_free_in_range(
const struct drm_mm *mm,
unsigned long size,
unsigned alignment,
unsigned long start,
unsigned long end,
- int best_match);
-extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
+ bool best_match)
+{
+ return drm_mm_search_free_in_range_generic(mm, size, alignment, 0,
+ start, end, best_match);
+}
+static inline struct drm_mm_node *drm_mm_search_free_color(const struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ bool best_match)
+{
+ return drm_mm_search_free_generic(mm,size, alignment, color, best_match);
+}
+static inline struct drm_mm_node *drm_mm_search_free_in_range_color(
+ const struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ unsigned long start,
+ unsigned long end,
+ bool best_match)
+{
+ return drm_mm_search_free_in_range_generic(mm, size, alignment, color,
+ start, end, best_match);
+}
+extern int drm_mm_init(struct drm_mm *mm,
+ unsigned long start,
unsigned long size);
extern void drm_mm_takedown(struct drm_mm *mm);
extern int drm_mm_clean(struct drm_mm *mm);
@@ -171,10 +230,14 @@ 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);
-void drm_mm_init_scan_with_range(struct drm_mm *mm, unsigned long size,
+void drm_mm_init_scan(struct drm_mm *mm,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color);
+void drm_mm_init_scan_with_range(struct drm_mm *mm,
+ unsigned long size,
unsigned alignment,
+ unsigned long color,
unsigned long start,
unsigned long end);
int drm_mm_scan_add_block(struct drm_mm_node *node);