diff options
| author | Maarten Lankhorst <maarten.lankhorst@canonical.com> | 2012-10-12 16:58:36 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-11-07 10:44:38 +1000 |
| commit | a9dbfff1cbe5972ae0ef07b51530a70240ec9f2c (patch) | |
| tree | 641bf7ee8df65357cce60a12a9cebba797f3ba8d /include/drm/ttm | |
| parent | c4a56750ecbf2421ebd39f0fec562e1869a38d53 (diff) | |
| download | talos-obmc-linux-a9dbfff1cbe5972ae0ef07b51530a70240ec9f2c.tar.gz talos-obmc-linux-a9dbfff1cbe5972ae0ef07b51530a70240ec9f2c.zip | |
drm/ttm: add ttm_bo_is_reserved
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/ttm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 14 |
1 files changed, 14 insertions, 0 deletions
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 |
