@John, if you're free, Would you please help to try drm-tip? You cound just download the files with "generic" and linux_header_***_all.deb https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/2020-12-28/
And enable drm.debug=0x11e log_buf_len=16M in grub. If the issue still exist, please upload the dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899882 Title: hdmi monitor on To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1899882/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
