Leann, the kernel mentioned in comment #71 seems to perform about the same as the drm-next one. xrandr operations take about 170ms on my hardware. So it would seem you have successfully applied the patch. :)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/855124 Title: XRANDR operations very slow unless (phantom) HDMI1 disabled To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/855124/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
