Silly question: Why not just default to 8 bpc and then only increase it to maximum 10/12/14/16 bpc if byte 20, bits 6-4 say that deep colour is supported by the monitor?
https://en.wikipedia.org/wiki/Extended_Display_Identification_Data#Structure,_version_1.4 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1890772 Title: No signal on 4K 60Hz DisplayPort monitor by default, until "max bpc" is lowered to 8 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1890772/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
