tree 315c47948971df2a9ee8f39777012c4683f45ce5
parent f7edfa8e692a6b50a7b369688314bdde051b125d
author Alex Deucher <alexander.deucher@amd.com> 1394147392 -0500
committer chrmhoffmann <chrmhoffmann@gmail.com> 1586074780 +0200

drm/radeon/atom: select the proper number of lanes in transmitter setup

commit d03874c881a049a50e12f285077ab1f9fc2686e1 upstream.

We need to check for DVI vs. HDMI when setting up duallink since
HDMI is single link only.  Fixes 4k modes on newer asics.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=75223

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>