I discovered that the tiling option of the driver mostly solves it for me (Intel 945GM). I used "x11perf -scroll10" to measure the performance:
Normal screen orientation: > 3000000 reps @ 0.0022 msec (465000.0/sec): Scroll 10x10 pixels Without the tiling option, in "right" orientation: > 800000 reps @ 0.0068 msec (148000.0/sec): Scroll 10x10 pixels After adding Option "Tiling" "false" to the device section in xorg.conf: > 2000000 reps @ 0.0026 msec (387000.0/sec): Scroll 10x10 pixels Still a bit slower than in normal orientation, but I don't feel the difference anymore. -- It does not refresh well when dragging a window in the rotated screen (Santa Rosa) https://bugs.launchpad.net/bugs/129380 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
