Actually Łukasz Spintzyk is the author of the fix and in comment #39 even he is only discussing open source drivers. Not sure if Nvidia-470 is expected to work.
** Also affects: nvidia-graphics-drivers-470 (Ubuntu) Importance: Undecided Status: New ** Also affects: xserver-xorg-video-amdgpu (Ubuntu) Importance: Undecided Status: New ** Also affects: xserver-xorg-video-nouveau (Ubuntu) Importance: Undecided Status: New ** No longer affects: nvidia-graphics-drivers-470 (Ubuntu Focal) ** No longer affects: nvidia-graphics-drivers-470 (Ubuntu Hirsute) ** No longer affects: nvidia-graphics-drivers-470 (Ubuntu Impish) ** No longer affects: xserver-xorg-video-amdgpu (Ubuntu Focal) ** No longer affects: xserver-xorg-video-amdgpu (Ubuntu Hirsute) ** No longer affects: xserver-xorg-video-amdgpu (Ubuntu Impish) ** No longer affects: xserver-xorg-video-nouveau (Ubuntu Focal) ** No longer affects: xserver-xorg-video-nouveau (Ubuntu Hirsute) ** No longer affects: xserver-xorg-video-nouveau (Ubuntu Impish) ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Assignee: (unassigned) => Łukasz Spintzyk (lspintzy) ** Changed in: xserver-xorg-video-amdgpu (Ubuntu) Assignee: (unassigned) => Łukasz Spintzyk (lspintzy) ** Changed in: xserver-xorg-video-amdgpu (Ubuntu) Status: New => In Progress ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Status: New => In Progress -- 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/nouveau/+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