From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 20 Jan 2012 20:03:30 +0000 (-0500)
Subject: drm/radeon/kms: refine TMDS dual link checks
X-Git-Tag: v3.3-rc2~30^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9aa59993e226af94088adaee993eb8cfd33ae295;p=pandora-kernel.git

drm/radeon/kms: refine TMDS dual link checks

HDMI 1.3 defines single link clocks up to 340 Mhz.
Refine the current dual link checks to only enable
dual link for DVI > 165 Mhz or HDMI > 340 Mhz if the
hw supports HDMI 1.3 (DCE3+).

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=44755

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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