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-rw-r--r--drivers/dma-buf/sync_debug.h26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/dma-buf/sync_debug.h b/drivers/dma-buf/sync_debug.h
index 26fe8b9907b3..d615a89f774c 100644
--- a/drivers/dma-buf/sync_debug.h
+++ b/drivers/dma-buf/sync_debug.h
@@ -14,6 +14,7 @@
#define _LINUX_SYNC_H
#include <linux/list.h>
+#include <linux/rbtree.h>
#include <linux/spinlock.h>
#include <linux/dma-fence.h>
@@ -24,42 +25,41 @@
* struct sync_timeline - sync object
* @kref: reference count on fence.
* @name: name of the sync_timeline. Useful for debugging
- * @child_list_head: list of children sync_pts for this sync_timeline
- * @child_list_lock: lock protecting @child_list_head and fence.status
- * @active_list_head: list of active (unsignaled/errored) sync_pts
+ * @lock: lock protecting @pt_list and @value
+ * @pt_tree: rbtree of active (unsignaled/errored) sync_pts
+ * @pt_list: list of active (unsignaled/errored) sync_pts
* @sync_timeline_list: membership in global sync_timeline_list
*/
struct sync_timeline {
struct kref kref;
char name[32];
- /* protected by child_list_lock */
+ /* protected by lock */
u64 context;
int value;
- struct list_head child_list_head;
- spinlock_t child_list_lock;
-
- struct list_head active_list_head;
+ struct rb_root pt_tree;
+ struct list_head pt_list;
+ spinlock_t lock;
struct list_head sync_timeline_list;
};
static inline struct sync_timeline *dma_fence_parent(struct dma_fence *fence)
{
- return container_of(fence->lock, struct sync_timeline, child_list_lock);
+ return container_of(fence->lock, struct sync_timeline, lock);
}
/**
* struct sync_pt - sync_pt object
* @base: base fence object
- * @child_list: sync timeline child's list
- * @active_list: sync timeline active child's list
+ * @link: link on the sync timeline's list
+ * @node: node in the sync timeline's tree
*/
struct sync_pt {
struct dma_fence base;
- struct list_head child_list;
- struct list_head active_list;
+ struct list_head link;
+ struct rb_node node;
};
#ifdef CONFIG_SW_SYNC