I have an unusual use case. I wonder if anyone can help. We use a PC
with 8 HDMI outputs for powering a video wall in an operations centre.
We use two Matrox video cards, each with 4 outputs. "lspci" reports
these cards as" [AMD/ATI] Cape Verde PRO [FirePro W600]".
On an older version of CentOS 7, I used the proprietary AMD/ATI
driver. This had a utility (I roorget the name) that generated a
working xorg.conf file. I could them throw up the
"matchbox-window-manager" on each monitor in turn using
"DISPLAY=:0.0", "DISPLAY=:0.1" etc and then throw up a full-screen
chrome web browser in kiosk mode on each monitor after that. This all
worked great.
In a recent version of CentOS 7, this all broke. The proprietary
driver no longer works. The good news is that the open source driver
seems to work fine with multi-monitor in Gnome for example.
My only issue is that I don't want to use Gnome across multiple
monitors. I want to use matchbox-window-manager or similar, and
specify individual X screen (":0.0", ":0.1" etc). How do I generate
an xorg.conf file with the new open source drivers? Am I doing this
all wrong?
Thanks!
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