From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri, 7 Mar 2014 23:12:36 +0000 (-0300)
Subject: drm/i915: BDW needs D_COMP writes through MCHBAR
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~63^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c4c9b819f008267f56ca048b0601e206d9c977b;p=pandora-kernel.git

drm/i915: BDW needs D_COMP writes through MCHBAR

That's what the spec said! And HSW needs it through pcode (you can
only read it through MCHBAR), so create hsw_write_dcomp to abstract
the weirdness.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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