https://bugs.freedesktop.org/show_bug.cgi?id=94708
--- Comment #23 from Alex Deucher alexdeucher@gmail.com --- (In reply to Marko Tikvic from comment #22)
How to apply the patch?
if you are using git, just: git am <patch file>
if you are not using git, in your kernel source tree: patch -p1 -i <patch file>
Then rebuild and re-install the kernel.