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path: root/drivers/gpu/drm/ttm/ttm_bo.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c30
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index dd47b2a9a79..0e3754a3a30 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1716,40 +1716,12 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
}
EXPORT_SYMBOL(ttm_bo_wait);
-void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo)
-{
- atomic_set(&bo->reserved, 0);
- wake_up_all(&bo->event_queue);
-}
-
-int ttm_bo_block_reservation(struct ttm_buffer_object *bo, bool interruptible,
- bool no_wait)
-{
- int ret;
-
- while (unlikely(atomic_cmpxchg(&bo->reserved, 0, 1) != 0)) {
- if (no_wait)
- return -EBUSY;
- else if (interruptible) {
- ret = wait_event_interruptible
- (bo->event_queue, atomic_read(&bo->reserved) == 0);
- if (unlikely(ret != 0))
- return ret;
- } else {
- wait_event(bo->event_queue,
- atomic_read(&bo->reserved) == 0);
- }
- }
- return 0;
-}
-
int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait)
{
int ret = 0;
/*
- * Using ttm_bo_reserve instead of ttm_bo_block_reservation
- * makes sure the lru lists are updated.
+ * Using ttm_bo_reserve makes sure the lru lists are updated.
*/
ret = ttm_bo_reserve(bo, true, no_wait, false, 0);