--- zzzz-none-000/linux-3.10.107/drivers/gpu/drm/radeon/Kconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/gpu/drm/radeon/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -1,3 +1,11 @@
+config DRM_RADEON_USERPTR
+	bool "Always enable userptr support"
+	depends on DRM_RADEON
+	select MMU_NOTIFIER
+	help
+	  This option selects CONFIG_MMU_NOTIFIER if it isn't already
+	  selected to enabled full userptr support.
+
 config DRM_RADEON_UMS
 	bool "Enable userspace modesetting on radeon (DEPRECATED)"
 	depends on DRM_RADEON