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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
Message-ID:  <20201202070824.pqorztnkkbxmbbox@frix230>
In-Reply-To: <5381.1606854837@critter.freebsd.dk>
References:  <20201201131430.ol7pzms24h743iwf@frix230> <342519ee-6f73-98be-29b1-cea7890ccb1e@selasky.org> <BD186C8D-AF73-4182-BF89-89005854F618@unrelenting.technology> <20201201173223.mwmrkogcjmtc4k2j@frix230> <68205920-BE4F-460D-BF70-1A84FE3BC536@samsco.org> <5381.1606854837@critter.freebsd.dk>

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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.




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