From: Alex Deucher <alexdeucher@gmail.com>
Date: Tue, 2 Nov 2010 05:26:48 +0000 (+0000)
Subject: drm/radeon/kms: don't disable shared encoders on pre-DCE3 display blocks
X-Git-Tag: v2.6.37-rc2~33^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0ae5864d42b41c411368bd689462bf063c029c8;p=pandora-kernel.git

drm/radeon/kms: don't disable shared encoders on pre-DCE3 display blocks

The A/B links aren't independantly useable on these blocks so when
we disable the encoders, make sure to only disable the encoder when
there is no connector using it.

Should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=18564

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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