drm/radeon/kms/dp: fix return in dpcd retrival.

Not returning here caused us to get a display port version of 0 for everything
this caused power up to not get sent which ends up in a black screen.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2009-11-26 08:49:17 +10:00
commit 54d9cb47dd