diff options
Diffstat (limited to 'drivers/gpu/drm/drm_managed.c')
| -rw-r--r-- | drivers/gpu/drm/drm_managed.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index bcd111404b..7646f67bda 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -177,6 +177,45 @@ int __drmm_add_action_or_reset(struct drm_device *dev, EXPORT_SYMBOL(__drmm_add_action_or_reset); /** + * drmm_release_action - release a managed action from a &drm_device + * @dev: DRM device + * @action: function which would be called when @dev is released + * @data: opaque pointer, passed to @action + * + * This function calls the @action previously added by drmm_add_action() + * immediately. + * The @action is removed from the list of cleanup actions for @dev, + * which means that it won't be called in the final drm_dev_put(). + */ +void drmm_release_action(struct drm_device *dev, + drmres_release_t action, + void *data) +{ + struct drmres *dr_match = NULL, *dr; + unsigned long flags; + + spin_lock_irqsave(&dev->managed.lock, flags); + list_for_each_entry_reverse(dr, &dev->managed.resources, node.entry) { + if (dr->node.release == action) { + if (!data || (data && *(void **)dr->data == data)) { + dr_match = dr; + del_dr(dev, dr_match); + break; + } + } + } + spin_unlock_irqrestore(&dev->managed.lock, flags); + + if (WARN_ON(!dr_match)) + return; + + action(dev, data); + + free_dr(dr_match); +} +EXPORT_SYMBOL(drmm_release_action); + +/** * drmm_kmalloc - &drm_device managed kmalloc() * @dev: DRM device * @size: size of the memory allocation |