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authorThomas Hellstrom <thellstrom@vmware.com>2014-02-20 11:36:25 +0100
committerThomas Hellstrom <thellstrom@vmware.com>2014-04-04 08:00:59 +0200
commitc75230833ce4fbbfaa257c07b55f97912fb1dc02 (patch)
tree6139766490859318e4daf10b6b7e9a7aedc81ba0 /include/drm/ttm
parent2844ea3f252331cc0ecf3ae74f6226db2f580f8a (diff)
drm/ttm: Hide the implementation details of reservation
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'include/drm/ttm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h47
1 files changed, 29 insertions, 18 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 5d8aabe68f6c..a5183da3ef92 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -788,7 +788,7 @@ extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
/**
- * ttm_bo_reserve_nolru:
+ * __ttm_bo_reserve:
*
* @bo: A pointer to a struct ttm_buffer_object.
* @interruptible: Sleep interruptible if waiting.
@@ -809,10 +809,10 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
* -EALREADY: Bo already reserved using @ticket. This error code will only
* be returned if @use_ticket is set to true.
*/
-static inline int ttm_bo_reserve_nolru(struct ttm_buffer_object *bo,
- bool interruptible,
- bool no_wait, bool use_ticket,
- struct ww_acquire_ctx *ticket)
+static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo,
+ bool interruptible,
+ bool no_wait, bool use_ticket,
+ struct ww_acquire_ctx *ticket)
{
int ret = 0;
@@ -888,8 +888,7 @@ static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
WARN_ON(!atomic_read(&bo->kref.refcount));
- ret = ttm_bo_reserve_nolru(bo, interruptible, no_wait, use_ticket,
- ticket);
+ ret = __ttm_bo_reserve(bo, interruptible, no_wait, use_ticket, ticket);
if (likely(ret == 0))
ttm_bo_del_sub_from_lru(bo);
@@ -929,20 +928,14 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
}
/**
- * ttm_bo_unreserve_ticket
+ * __ttm_bo_unreserve
* @bo: A pointer to a struct ttm_buffer_object.
- * @ticket: ww_acquire_ctx used for reserving
*
- * Unreserve a previous reservation of @bo made with @ticket.
+ * Unreserve a previous reservation of @bo where the buffer object is
+ * already on lru lists.
*/
-static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
- struct ww_acquire_ctx *t)
+static inline void __ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
- spin_lock(&bo->glob->lru_lock);
- ttm_bo_add_to_lru(bo);
- spin_unlock(&bo->glob->lru_lock);
- }
ww_mutex_unlock(&bo->resv->lock);
}
@@ -955,7 +948,25 @@ static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
*/
static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- ttm_bo_unreserve_ticket(bo, NULL);
+ if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
+ spin_lock(&bo->glob->lru_lock);
+ ttm_bo_add_to_lru(bo);
+ spin_unlock(&bo->glob->lru_lock);
+ }
+ __ttm_bo_unreserve(bo);
+}
+
+/**
+ * ttm_bo_unreserve_ticket
+ * @bo: A pointer to a struct ttm_buffer_object.
+ * @ticket: ww_acquire_ctx used for reserving
+ *
+ * Unreserve a previous reservation of @bo made with @ticket.
+ */
+static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
+ struct ww_acquire_ctx *t)
+{
+ ttm_bo_unreserve(bo);
}
/*