During the hotplug event, we query the current connector status and use
that to trigger an output changed event to the clients. However, since
we know the new status, we can set that on the RROutput immediately.
Note the modelist is left unchanged, and will only be queried when the
user requests it (though we may want to provide that in the hotplug
notify as well).
References: https://bugs.freedesktop.org/show_bug.cgi?id=91929#c2
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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