> Basically what needs to be done for this is the inverse of what we do > on amd64: Check whether the installer ramdisk kernel uses the glass > console and ask a question that offers to use fb0 as the console. > > To make this work, look at the md_consoleinfo() function in the > src/distrib/arm64/ramdisk/install.md file. This needs to scan dmesg > for a wsdisplay0 device that is marked as "console" and then set CDEV > to "wsdisplay0" and CPROM to "fb0".
That makes sense to me. Perhaps the question should be on a timer and can auto-select fb0 after a few seconds, so you don't need to make any blind magic incantations.