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Date: Wed, 2 Dec 2020 08:08:24 +0100
From: Ali Abdallah <ali.abdallah@suse.com>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc: Scott Long <scottl@samsco.org>, myfreeweb <greg@unrelenting.technology>,
 freebsd-current@freebsd.org, Hans Petter Selasky <hps@selasky.org>,
 Scott Long <scottl@FreeBSD.org>
Subject: Re: Issues with USB-C external monitors
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On 01.12.2020 20:33, Poul-Henning Kamp wrote:
> --------
> 
> When I last tried this on my T480/T3-Dock/xorg, the screen comes back, but
> xrandr shows it with ever increasing names "DP-3", "DP-4" etc.
> 
> For now I've given up and use the T480's HDMI output instead.

I've noticed that as well, the sys.class.drm.card0-DP-3 disappears and
sys.class.drm.card0-DP-4 is created instead.

I need to drive two external monitors, that's why I need the external dock.