From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 13 Jun 2012 16:36:55 +0000 (+0100)
Subject: drm/i915: Switch off FBC when disabling the primary plane when obscured
X-Git-Tag: v3.6-rc1~83^2~42^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=93314b5b6f343f5a4c14c89d000007a754190c9a;p=pandora-kernel.git

drm/i915: Switch off FBC when disabling the primary plane when obscured

As we switch on/off the primary plane if it is completely obscured by an
overlapping video sprite, we also nee to make sure that we update the
FBC configuration at the same time.

v2: Not all crtcs are intel_crtcs, as spotted by Daniel.
v3: Boot testing rules.

References: https://bugs.freedesktop.org/show_bug.cgi?id=50238
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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