https://bugs.freedesktop.org/show_bug.cgi?id=55819

--- Comment #7 from Michel Dänzer michel@daenzer.net --- (In reply to comment #6)

I'm using 3.2.0 from Jul 23, so I believe I have the fix.

It's unlikely, as the fix was only backported to the upstream 3.2 stable branch on August 2nd.

Is there a way to know for sure?

Sure, inspecting the source code for your kernel. :)