diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index d62fb1a3c916..09c820045859 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -901,7 +901,7 @@ err: } /** - * drm_gem_open - initalizes GEM file-private structures at devnode open time + * drm_gem_open - initializes GEM file-private structures at devnode open time * @dev: drm_device which is being opened by userspace * @file_private: drm file-private structure to set up * @@ -936,7 +936,7 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private) * drm_gem_object_release - release GEM buffer object resources * @obj: GEM buffer object * - * This releases any structures and resources used by @obj and is the invers of + * This releases any structures and resources used by @obj and is the inverse of * drm_gem_object_init(). */ void @@ -974,28 +974,6 @@ drm_gem_object_free(struct kref *kref) EXPORT_SYMBOL(drm_gem_object_free); /** - * drm_gem_object_put_locked - release a GEM buffer object reference - * @obj: GEM buffer object - * - * This releases a reference to @obj. Callers must hold the - * &drm_device.struct_mutex lock when calling this function, even when the - * driver doesn't use &drm_device.struct_mutex for anything. - * - * For drivers not encumbered with legacy locking use - * drm_gem_object_put() instead. - */ -void -drm_gem_object_put_locked(struct drm_gem_object *obj) -{ - if (obj) { - WARN_ON(!mutex_is_locked(&obj->dev->struct_mutex)); - - kref_put(&obj->refcount, drm_gem_object_free); - } -} -EXPORT_SYMBOL(drm_gem_object_put_locked); - -/** * drm_gem_vm_open - vma->ops->open implementation for GEM * @vma: VM area structure * @@ -1148,15 +1126,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) return -EACCES; } - if (node->readonly) { - if (vma->vm_flags & VM_WRITE) { - drm_gem_object_put(obj); - return -EINVAL; - } - - vma->vm_flags &= ~VM_MAYWRITE; - } - ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node) << PAGE_SHIFT, vma); @@ -1311,6 +1280,9 @@ EXPORT_SYMBOL(drm_gem_unlock_reservations); * @fence_array: array of dma_fence * for the job to block on. * @fence: the dma_fence to add to the list of dependencies. * + * This functions consumes the reference for @fence both on success and error + * cases. + * * Returns: * 0 on success, or an error on failing to expand the array. */ |