I managed to bring both screens up at 30Hz by passing video resolutions as kernel parameters
video=DP-3:3840x2160@30 video=DP-4:3840x2160@30 This means I do not have to do any display port replugging on startup. I still have to manually change the refresh from 30Hz to 60Hz in the settings. If there was a way to do this via cli, I would have a full workaround for this issue. I also noted that I was actually loosing the displays earlier in the boot process, maybe at some DRM/framebuffer loading point, as I was not seeing the extra few seconds of green service [OK]s, prior to wayland. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1968235 Title: Dual DP 4K @60Hz requires toggling to 30Hz and back to 60Hz To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/wayland/+bug/1968235/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs