[Ubuntu-x-swat] [Bug 1968235] Re: Dual DP 4K @60Hz requires toggling to 30Hz and back to 60Hz

2022-04-12 Thread Daniel van Vugt
Thanks for the bug report. Negotiating bandwidth and supported modes, as well as the boot-time mode, are all jobs for the kernel. So I will reassign this to the kernel. The 'wayland' package is for protocol bugs only. ** Summary changed: - Dual DP 4K @60Hz requires toggling to 30Hz and back to

[Ubuntu-x-swat] [Bug 1968235] Re: Dual DP 4K @60Hz requires toggling to 30Hz and back to 60Hz

2022-04-07 Thread iMac
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