drm/gk104-/fb/ram: perform certain steps only when bios data differs

Awful, awful.  But, on the GK106 I have, some upcoming patches show
that this is actually necessary after all.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-09-08 14:41:26 +10:00
commit 91e4611ddc