July 9, 20233 yr I am unable to configure Xorg to ignore (and stop using as its default) the None-1 video device causing me not to be able to display a desktop via the HMDI-1-1 device. It has been suggested (https://ubuntu-mate.community/t/how-to-configure-xorg/26732/3) that I disable this device in the kernel, hopefully, via a kernel option such as : video=None-1:d Does anyone know where (which file) and how (specific method) I should do this?
July 9, 20233 yr You can try to edit /boot/boot.cmd. Search for the line starting with setenv bootargs and add this at the end. Then recompile the boot script with the command mentioned at the end of this file.
July 9, 20233 yr Author So I edited the boot.cmd file and added this line after each of the setenv bootarg ... lines : setenv bootargs "${bootargs} video=None-1:d" recompiled with sudo mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr checked the lines had made it to boot.scr and rebooted. But the None-1 video device still persists and xrandr still shows that device is being used by Xorg!!!
July 11, 20233 yr Author it turns out this mystery video device (None-1) is provided by Kernel 6.1.30 and revertiong back to 6.1.11removes the device.
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