media-libs/mesa-reven/files/01-vkms.conf - chromiumos/overlays/chromiumos-overlay - Git at Google

 <driconf>
   <device driver="loader" kernel_driver="vkms" >
     <option name="dri_driver" value="vgem" />
   </device>
 </driconf>
	<driconf>
	<device driver="loader" kernel_driver="vkms" >
	<option name="dri_driver" value="vgem" />
	</device>
	</driconf>