drm/radeon/dp: fix lane/clock setup for dp 1.2 capable devices

commit 3b6d9fd23e upstream.

Only DCE5+ asics support DP 1.2.

Noticed by ArtForz on IRC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2014-05-27 13:48:05 -04:00 • committed by Greg Kroah-Hartman
commit 0df1965d84