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ChenLiang authored
graphic_hw_update and vnc_refresh_server_surface aren't need to do when no vnc client connected. It can reduce lock contention, because vnc_refresh will hold global big lock two millisecond every three seconds. Signed-off-by: ChenLiang <chenliang88@huawei.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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