This is now fixed for intel gpu based machines. XServer issue: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1183 Merge request that has fixed that on Xorg Xserver 1.20 branch (server-1.20-branch): https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/686 Please incorporate that fix to Ubuntu 1.20
To sum up fix is solving extreamly slow refresh rate(1FPS) when laptop lid is closed or DisplayLink display is the only one. This fixes laptops with intel cpu. For amd,nvidia gpus fix is not ready yet. ** Bug watch added: gitlab.freedesktop.org/xorg/xserver/-/issues #1183 https://gitlab.freedesktop.org/xorg/xserver/-/issues/1183 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1875015 Title: Ubuntu 20.04 and Displaylink is extremely slow To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1875015/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp