The same issue on ubuntu 20.04(5.13.0-30) on Yoga slim 9 14ITL Putting "i915.enable_psr=0" to GRUB_CMDLINE_LINUX_DEFAULT fixed issues such as rendering, screen tearing, delaying.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1937072 Title: [Lenovo Yoga Slim 7 14IIL05] PSR causes incomplete screen redraws To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1937072/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs