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Pekka Paalanen authored
Reacting to DRM hotplug events is racy. It is theoretically possible to get hotplug events for a quick swap from one monitor to another and process both only after the new monitor is connected. Hence it is possible for display device information to change without going through a disconnected state for the head. To support such cases, add API to allow detecting it in the compositor. v6: - change str_null_neq() to str_null_eq() - rename weston_head_condition_device_changed() - move the condition from weston_head_set_device_changed() to the callers Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk> Reviewed-by: Ian Ray <ian.ray@ge.com> Reviewed-by: Daniel Stone <daniels@collabora.com> Acked-by: Derek Foreman <derekf@osg.samsung.com>
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