From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 8 Jul 2014 09:40:29 +0000 (+0100)
Subject: drm/i915: Disable RCS flips on Ivybridge
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~125^2~49^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a92d5bca1999b69c78f3c3e97b5484985b094b9;p=pandora-kernel.git

drm/i915: Disable RCS flips on Ivybridge

We currently see random GPU hangs when using RCS flips with multiple
pipes on Ivybridge. Now that we have mmio flips, we can fairly cheaply
fallback to using CPU driven flips instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77104
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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