diff options
Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_bufs.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index d7d10cabb9bb..a39ab2193bfe 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @@ -377,6 +377,17 @@ int drm_legacy_addmap(struct drm_device *dev, resource_size_t offset, } EXPORT_SYMBOL(drm_legacy_addmap); +struct drm_local_map *drm_legacy_findmap(struct drm_device *dev, + unsigned int token) +{ + struct drm_map_list *_entry; + list_for_each_entry(_entry, &dev->maplist, head) + if (_entry->user_token == token) + return _entry->map; + return NULL; +} +EXPORT_SYMBOL(drm_legacy_findmap); + /** * Ioctl to specify a range of memory that is available for mapping by a * non-root process. |