drm/radeon: add userptr config option

This allows selecting CONFIG_MMU_NOTIFIER if it isn't already selected.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-03-31 17:36:59 +02:00 • committed by Alex Deucher
commit c6a1fc725a