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由 Roman Li 提交于
[Why] In case of failure to resume MST topology after suspend, an emtpty mst tree prevents further mst hub detection on the same connector. That causes the issue with MST hub hotplug after it's been unplug in suspend. [How] Stop topology manager on the connector after detecting DM_MST failure. Reviewed-by: NWayne Lin <Wayne.Lin@amd.com> Acked-by: NJasdeep Dhillon <jdhillon@amd.com> Signed-off-by: NRoman Li <roman.li@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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