Comment 8 for bug 371220

I've forwarded your bug upstream to https://bugs.freedesktop.org/show_bug.cgi?id=21625 - please subscribe to that bug report in case upstream needs further information or wishes you to test something. Thanks ahead of time.

If they want you to test an even newer version of the driver, you may be able to find git snapshots at https://edge.launchpad.net/~xorg-edgers/+archive/ppa