drm/radeon: fix runtime suspend breaking secondary GPUs

Same fix as for nouveau, when we fail with EINVAL, subsequent
gets fail hard, causing the device not to open.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2014-03-27 14:09:18 +10:00 • committed by Christian König
commit 1d8eec8ba4