drm/i915: Initiate DP link training only on the lanes we'll be using
authorKeith Packard <keithp@keithp.com>
Wed, 2 Nov 2011 17:17:59 +0000 (10:17 -0700)
committerKeith Packard <keithp@keithp.com>
Thu, 17 Nov 2011 04:26:27 +0000 (20:26 -0800)
commitb34f1f0931575bf1e1483472a5202b8247fa9b10
treeff4b910728159eaf932fbaaa13f1cbb76e9724fe
parentf2e8b18af95358cf5407bf263cba04fc4c379123
drm/i915: Initiate DP link training only on the lanes we'll be using

Limit the link training setting command to the lanes needed for the
current mode. It seems vaguely possible that a monitor will try to
train the other lanes and fail in some way, so this seems like the
safer plan.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/gpu/drm/i915/intel_dp.c