Name
drm_dev_unref — 
     Drop reference of a DRM device
 
Synopsis
| void drm_dev_unref ( | struct drm_device * dev ); | 
 
Arguments
- dev
- 
     device to drop reference of or NULL
     
Description
   This decreases the ref-count of dev by one. The device is destroyed if the
   ref-count drops to zero.