Upstream fix for xserver-xorg-video-intel
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=537a836dd6db384d53b52eb457a7d257c440217f
Upstream fix for xserver- xorg-video- intel
http:// cgit.freedeskto p.org/xorg/ driver/ xf86-video- intel/commit/ ?id=537a836dd6d b384d53b52eb457 a7d257c440217f