diff options
Diffstat (limited to 'include/drm/drm_managed.h')
| -rw-r--r-- | include/drm/drm_managed.h | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h index ca4114633bf9..53017cc609ac 100644 --- a/include/drm/drm_managed.h +++ b/include/drm/drm_managed.h @@ -8,6 +8,7 @@ #include <linux/types.h> struct drm_device; +struct mutex; typedef void (*drmres_release_t)(struct drm_device *dev, void *res); @@ -44,7 +45,9 @@ int __must_check __drmm_add_action_or_reset(struct drm_device *dev, drmres_release_t action, void *data, const char *name); -void drmm_add_final_kfree(struct drm_device *dev, void *container); +void drmm_release_action(struct drm_device *dev, + drmres_release_t action, + void *data); void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp) __malloc; @@ -106,4 +109,34 @@ char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp); void drmm_kfree(struct drm_device *dev, void *data); +void __drmm_mutex_release(struct drm_device *dev, void *res); + +/** + * drmm_mutex_init - &drm_device-managed mutex_init() + * @dev: DRM device + * @lock: lock to be initialized + * + * Returns: + * 0 on success, or a negative errno code otherwise. + * + * This is a &drm_device-managed version of mutex_init(). The initialized + * lock is automatically destroyed on the final drm_dev_put(). + */ +#define drmm_mutex_init(dev, lock) ({ \ + mutex_init(lock); \ + drmm_add_action_or_reset(dev, __drmm_mutex_release, lock); \ +}) \ + +void __drmm_workqueue_release(struct drm_device *device, void *wq); + +#define drmm_alloc_ordered_workqueue(dev, fmt, flags, args...) \ + ({ \ + struct workqueue_struct *wq = alloc_ordered_workqueue(fmt, flags, ##args); \ + wq ? ({ \ + int ret = drmm_add_action_or_reset(dev, __drmm_workqueue_release, wq); \ + ret ? ERR_PTR(ret) : wq; \ + }) : \ + wq; \ + }) + #endif |