From 7c11c99b3c66a8e03494e56ce6e6c5303ee85934 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 21 Aug 2015 10:52:54 +1000
Subject: [PATCH] drm/nouveau/bios/dcb: accept "maxwell" lane count values for
 dcb 4.0

We previously assumed that the values "2" and "4" were new in DCB 4.1,
however, there's at least one GM107 DCB 4.0 board (Quadro K620) that
uses the newer values.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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