From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 21 Nov 2014 19:54:30 +0000 (+0200)
Subject: drm/i915: Disable crtcs gracefully before GPU reset on gen3/4
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~77^2~9^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f98ce92fea8a865b044d3bc4097e88a81efb74b5;p=pandora-kernel.git

drm/i915: Disable crtcs gracefully before GPU reset on gen3/4

The GPU reset also resets the display on gen3/4. The g33 docs say we
should disable all planes before flipping the reset switch. Just
disable all the crtcs instead. That seems a nicer thing to do anyway.

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