diff options
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 5 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 14 |
2 files changed, 3 insertions, 16 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 5ff938df5fce..c6cae733ddef 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -424,8 +424,9 @@ extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, * @no_wait: Return immediately if buffer is busy. * * Synchronizes a buffer object for CPU RW access. This means - * blocking command submission that affects the buffer and - * waiting for buffer idle. This lock is recursive. + * command submission that affects the buffer will return -EBUSY + * until ttm_bo_synccpu_write_release is called. + * * Returns * -EBUSY if the buffer is busy and no_wait is true. * -ERESTARTSYS if interrupted by a signal. diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 4789beee3b77..dd96442cdc2a 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -726,20 +726,6 @@ extern void ttm_bo_mem_put(struct ttm_buffer_object *bo, extern void ttm_bo_mem_put_locked(struct ttm_buffer_object *bo, struct ttm_mem_reg *mem); -/** - * ttm_bo_wait_for_cpu - * - * @bo: Pointer to a struct ttm_buffer_object. - * @no_wait: Don't sleep while waiting. - * - * Wait until a buffer object is no longer sync'ed for CPU access. - * Returns: - * -EBUSY: Buffer object was sync'ed for CPU access. (only if no_wait == 1). - * -ERESTARTSYS: An interruptible sleep was interrupted by a signal. - */ - -extern int ttm_bo_wait_cpu(struct ttm_buffer_object *bo, bool no_wait); - extern void ttm_bo_global_release(struct drm_global_reference *ref); extern int ttm_bo_global_init(struct drm_global_reference *ref); |