Does this updated version of the patch work better? If not: The black screen when changing between one and two monitors never happens without this patch?
Please attach the output of xrandr --verbose when both monitors are enabled. P.S. Thanks for reporting the compile warning, but it's harmless and not related to my patches or your issues. ** Patch added: "0001-Wait-for-pending-flips-to-complete-before-turning-of.patch" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+attachment/4696118/+files/0001-Wait-for-pending-flips-to-complete-before-turning-of.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1577170 Title: screen cannot be turned back on after being switched off after some time of inactivity To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1577170/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs