From a9dbfff1cbe5972ae0ef07b51530a70240ec9f2c Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Fri, 12 Oct 2012 16:58:36 +0200 Subject: drm/ttm: add ttm_bo_is_reserved Signed-off-by: Maarten Lankhorst Reviewed-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- include/drm/ttm/ttm_bo_api.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'include/drm') diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index e8028ade567f..36e8408e00fa 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -736,4 +736,18 @@ extern ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp, extern void ttm_bo_swapout_all(struct ttm_bo_device *bdev); +/** + * ttm_bo_is_reserved - return an indication if a ttm buffer object is reserved + * + * @bo: The buffer object to check. + * + * This function returns an indication if a bo is reserved or not, and should + * only be used to print an error when it is not from incorrect api usage, since + * there's no guarantee that it is the caller that is holding the reservation. + */ +static inline bool ttm_bo_is_reserved(struct ttm_buffer_object *bo) +{ + return atomic_read(&bo->reserved); +} + #endif -- cgit v1.2.2