linux-kernel - Re: 6.1-rc: names of video outputs changed?

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Date:   Mon, 31 Oct 2022 18:19:52 +0100
From:   Pavel Machek <pavel@....cz>
To:     Ville Syrjälä <ville.syrjala@...ux.intel.com>
Cc:     airlied@...hat.com, dri-devel@...ts.freedesktop.org,
        daniel@...ll.ch, kernel list <linux-kernel@...r.kernel.org>
Subject: Re: 6.1-rc: names of video outputs changed?

Hi!

> > I used to be able to do:
> > 
> > pavel@duo:~$     xrandr --output HDMI1 --mode 1920x1080 --primary
> > warning: output HDMI1 not found; ignoring
> > pavel@duo:~$     xrandr --output VGA1 --mode 1280x1024 --below HDMI1
> > warning: output VGA1 not found; ignoring
> > 
> > ...but now I have to do:
> > 
> > pavel@duo:~$     xrandr --output VGA-1 --mode 1280x1024 --below HDMI-1
> > xrandr: cannot find crtc for output VGA-1
> > pavel@duo:~$     xrandr --output LVDS-1 --off
> > pavel@duo:~$     xrandr --output VGA-1 --mode 1280x1024 --below HDMI-1
> > 
> > Notice the change from HDMI1 to HDMI-1. I believe that's new in 6.1 or
> > so. Who did it and why? Hardware is thinkpad x220, and this breaks my
> > scripts :-(.
> 
> Are you sure you didn't just switch from intel ddx to modesetting ddx?

How do I tell?

I don't think I did such changes recently. It is Debian 10.13 system
(rather old) so I don't think it did update for me.

Thanks and best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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