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Like Ivybridge, we have reports that we get random hangs when flipping with multiple pipes. Extend commit2a92d5bca1Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Tue Jul 8 10:40:29 2014 +0100 drm/i915: Disable RCS flips on Ivybridge to also apply to Haswell. Reported-and-tested-by: Scott Tsai <scottt.tw@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87759 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org #2a92d5bca1drm/i915: Disable RCS flips on Ivybridge Cc: stable@vger.kernel.org Signed-off-by: Jani Nikula <jani.nikula@intel.com>