you need at least v5.5 or up for Renoir install linux-generic-hwe-20.04-edge which will install the HWE kernel from 20.10 which is based on 5.8
** Changed in: xorg-server (Ubuntu) Status: New => Invalid ** Changed in: linux (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906601 Title: FBDEV in use with amdgpu and there is no /dev/dri/card0 (hardware is AMD/ATI Renoir [1002:1636]) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1906601/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs