drm/radeon/kms: don't enable connectors that are off in the hotplug handler

commit 73104b5cfe3067d68f2c2de3f3d4d4964c55873e upstream.

If we get a hotplug event on an connector that is off, don't
attempt to turn it on or off, it should already be off.

Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=728228

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 file changed