From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu, 12 Dec 2013 15:27:40 +0000 (+0200)
Subject: drm/i915: Rework the FBC interval/stall stuff a bit
X-Git-Tag: v3.14-rc1~47^2~44^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=993495ae992c91e98ade8fbe977c57bfd81910c1;p=pandora-kernel.git

drm/i915: Rework the FBC interval/stall stuff a bit

Don't touch DPFC_RECOMP_CTL on FBC2, use RMW to update
the FBC_CONTROL on FBC1 to make it easier for people to
experiment with different numbers. Also fix the interval
mask for FBC1.

v2: Rebased

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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