diff options
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 14 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 17 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 3b5b094b139..4c2299299ab 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -604,6 +604,20 @@ void ttm_bo_unref(struct ttm_buffer_object **p_bo) } EXPORT_SYMBOL(ttm_bo_unref); +int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev) +{ + return cancel_delayed_work_sync(&bdev->wq); +} +EXPORT_SYMBOL(ttm_bo_lock_delayed_workqueue); + +void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, int resched) +{ + if (resched) + schedule_delayed_work(&bdev->wq, + ((HZ / 100) < 1) ? 1 : HZ / 100); +} +EXPORT_SYMBOL(ttm_bo_unlock_delayed_workqueue); + static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible, bool no_wait_reserve, bool no_wait_gpu) { diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 3e273e0b941..267a86c74e2 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -362,6 +362,23 @@ extern int ttm_bo_validate(struct ttm_buffer_object *bo, extern void ttm_bo_unref(struct ttm_buffer_object **bo); /** + * ttm_bo_lock_delayed_workqueue + * + * Prevent the delayed workqueue from running. + * Returns + * True if the workqueue was queued at the time + */ +extern int ttm_bo_lock_delayed_workqueue(struct ttm_bo_device *bdev); + +/** + * ttm_bo_unlock_delayed_workqueue + * + * Allows the delayed workqueue to run. + */ +extern void ttm_bo_unlock_delayed_workqueue(struct ttm_bo_device *bdev, + int resched); + +/** * ttm_bo_synccpu_write_grab * * @bo: The buffer object: |