On Wed, Feb 28, 2024 at 3:24 PM Dale <rdalek1967@gmail.com> wrote:
>
> Paul B. Henson wrote:
> > On Sat, Feb 24, 2024 at 08:53:37PM -0800, Daniel Frey wrote:
> >> After cursing KDE for a while with three monitors, does anyone have any
> >> idea why KDE is so bad at managing multiple monitors?
> > <shrug>. I ended up adding this to /usr/share/sddm/scripts/Xsetup:
> >
> > xrandr --output DVI-D-0 --primary --output HDMI-A-0 --left-of DVI-D-0
> > --output DisplayPort-0 --right-of DVI-D-0
> >
> > Always perfect since then :).
>
> I have two questions.  Does a upgrade change it back to defaults?  If
> so, there may be a file in /etc somewhere that is more permanent.  If
> not, cool.  :-)
>
> How did you get the info to match the hardware you have?  My main
> display is on a DB15HD port.  My second display in on a HDMI port.  I
> figure you ran a command to gather that info or there is a source of all
> the possibilities.
>
> I'd like to give that a shot.  Might help with my occasional issue.
>
> Dale
>
> :-)  :-)

If you're just looking for what's connected to what port then xrandr will
tell you that.

To get to Paul's equation you would need to figure out the ordering
yourself I think

HTH,
Mark