diff options
Diffstat (limited to 'include/drm/drm_atomic.h')
| -rw-r--r-- | include/drm/drm_atomic.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index fd2d971bca32..f96220ed4004 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -189,12 +189,31 @@ struct drm_atomic_state { struct work_struct commit_work; }; -void drm_crtc_commit_put(struct drm_crtc_commit *commit); +void __drm_crtc_commit_free(struct kref *kref); + +/** + * drm_crtc_commit_get - acquire a reference to the CRTC commit + * @commit: CRTC commit + * + * Increases the reference of @commit. + */ static inline void drm_crtc_commit_get(struct drm_crtc_commit *commit) { kref_get(&commit->ref); } +/** + * drm_crtc_commit_put - release a reference to the CRTC commmit + * @commit: CRTC commit + * + * This releases a reference to @commit which is freed after removing the + * final reference. No locking required and callable from any context. + */ +static inline void drm_crtc_commit_put(struct drm_crtc_commit *commit) +{ + kref_put(&commit->ref, __drm_crtc_commit_free); +} + struct drm_atomic_state * __must_check drm_atomic_state_alloc(struct drm_device *dev); void drm_atomic_state_clear(struct drm_atomic_state *state); |