From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue, 30 Sep 2014 08:56:49 +0000 (+0200)
Subject: drm/i915: Filter gmch fifo underruns in the shared handler
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~77^2~78^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f239f4cb1dbbe259b7a29fed1e2ff8a50591319;p=pandora-kernel.git

drm/i915: Filter gmch fifo underruns in the shared handler

This simplifies the code in the vlv irq handler. Also this now
means that we correctly filter underruns on gen2-4.

And as the real upshot I need to document one less function for
the fifo underrun code.

v2: Shorten one long line.

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