update

systemd-udev-settle-dri.service

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1+
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+# This service can dynamically be pulled-in by legacy services which
+# cannot reliably cope with dynamic device configurations, and wrongfully
+# expect a populated /dev during bootup.
+
+[Unit]
+Description=udev Wait for /dev/dri/card0 Device Initialization
+Documentation=man:udev(7) man:systemd-udevd.service(8)
+Wants=systemd-udevd.service
+After=systemd-udev-trigger.service
+Before=display-manager.service
+ConditionPathIsReadWrite=/sys
+
+[Service]
+Type=oneshot
+TimeoutSec=180
+RemainAfterExit=yes
+ExecStart=/usr/bin/udevadm settle --exit-if-exists=/dev/dri/card0