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HP Spectre x360

HP Spectre x360

Posted Dec 2, 2016 2:05 UTC (Fri) by tao (subscriber, #17563)
In reply to: HP Spectre x360 by Per_Bothner
Parent article: Linux on the Mac — state of the union

My guess? The USB Type-C docking station uses MST for the display connector(s), while the USB-C to HDMI converter just adds a regular HDMI port. So most probably it's a driver, not a hardware, issue.

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HP Spectre x360

Posted Dec 2, 2016 2:20 UTC (Fri) by Per_Bothner (subscriber, #7375) [Link]

Quite possible. The flakiness seems to happen after sleeping or display blanking timeout, IIRC. After which the Display setting window thinks the external monitor is enabled - but it isn't. At which point the only thing I can so is unplug the monitor and plug it into the USB-C to HDMI converter, and then it's usable.

I can try to observe more carefully if someone tells me what information they want me to gather.

HP Spectre x360

Posted Dec 6, 2016 18:39 UTC (Tue) by jani (subscriber, #74547) [Link]

The HDMI Alt Mode for USB Type C spec is brand new. I suspect it's DP Alt Mode with a DP-HDMI converter.


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