Pretty much a no-brainer. The raw keyboard stuff is necessary for running X, and we have VT support in simplefb(4) so let's enable it.
ok? Index: arch/arm64/conf/GENERIC =================================================================== RCS file: /cvs/src/sys/arch/arm64/conf/GENERIC,v retrieving revision 1.43 diff -u -p -r1.43 GENERIC --- arch/arm64/conf/GENERIC 16 Dec 2017 14:15:56 -0000 1.43 +++ arch/arm64/conf/GENERIC 17 Dec 2017 12:34:43 -0000 @@ -75,6 +75,10 @@ viomb* at virtio? viornd* at virtio? vioscsi* at virtio? +option WSDISPLAY_COMPAT_USL # VT handling +option WSDISPLAY_COMPAT_RAWKBD # provide raw scancodes; needed for X11 +option WSDISPLAY_DEFAULTSCREENS=6 # initial number of text consoles + simplefb* at fdt? wsdisplay* at simplefb?