From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 11 Oct 2012 16:43:52 +0000 (+0200)
Subject: drm/i915/dvo-ch7xxx: fix get_hw_state
X-Git-Tag: v3.7-rc2~38^2~5^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4afa0ace429624fde392b29d05a803672a41192e;p=pandora-kernel.git

drm/i915/dvo-ch7xxx: fix get_hw_state

The boot-up state seems to be all-zeros, so it's safer to check for
the bits that need to be set when the dvo encoder is in the dpms on
state, than checking the bits we set when it's in the off state.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=55047
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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