From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 11 Oct 2013 18:52:43 +0000 (+0300)
Subject: drm/i915: Fix gen2 scanout position readout
X-Git-Tag: v3.13-rc1~76^2~68^2~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c06b08a3073de570f6f0261dae6247cce98f2ab;p=pandora-kernel.git

drm/i915: Fix gen2 scanout position readout

Gen2 doesn't have the pixelcount register that gen3 and gen4 have.
Instead we must use the scanline counter like we do for ctg+.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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