From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Thu, 19 Sep 2013 20:03:05 +0000 (-0300)
Subject: drm/i915: POSTING_READ IPS_CTL before waiting for the vblank
X-Git-Tag: v3.13-rc1~76^2~114^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81c12f6e78c535533e9258bd9476b5d7419d3cce;p=pandora-kernel.git

drm/i915: POSTING_READ IPS_CTL before waiting for the vblank

Make sure we write to IPS before we actually wait.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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