From: Jani Nikula <jani.nikula@intel.com>
Date: Wed, 29 Oct 2014 09:03:26 +0000 (+0200)
Subject: drm/i915/dp: only use training pattern 3 on platforms that support it
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~11^2~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7809a61176b385ebb3299ea43c58b1bb31ffb8c0;p=pandora-kernel.git

drm/i915/dp: only use training pattern 3 on platforms that support it

Ivybridge + 30" monitor prints a drm error on every modeset, since IVB
doesn't support DP3 we should even bother trying to use it.

This regression has been introduced in

commit 06ea66b6bb445043dc25a9626254d5c130093199
Author: Todd Previte <tprevite@gmail.com>
Date:   Mon Jan 20 10:19:39 2014 -0700

    drm/i915: Enable 5.4Ghz (HBR2) link rate for Displayport 1.2-capable
devices

Reported-by: Dave Airlie <airlied@redhat.com>
Reference: http://mid.gmane.org/1414566170-9868-1-git-send-email-airlied@gmail.com
Cc: Todd Previte <tprevite@gmail.com>
Cc: stable@vger.kernel.org (3.15+)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

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