From 1d8eec8ba4a38fcee9d30e4fb5b3d67a9bff9db3 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 27 Mar 2014 14:09:18 +1000
Subject: [PATCH] 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>
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