Your assumptions are correct. The remaining problem is the slowness. It affects all kinds of rotations and inversion, but I only use left rotation.
-- [ATI 7000] xrandr -o left results in garbled, slow picture https://bugs.launchpad.net/bugs/298119 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs