I still believe that this bug is present since initial implementation of DRRS (kernels 4.0 and 4.1). For now I have to disable DRRS by default with a patch. Updated version in attachment.
** Patch added: "Patch for 5.13 and 5.14" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1928138/+attachment/5525692/+files/i915---disable_drrs_by_default_5-13.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1928138 Title: Flickering on built-in display (Intel Haswell graphics) since kernel v4.1 [bisected and workaround attached] To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1928138/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
