Here is the xrandr output:
$ xrandr --output DFP1 --right-of DFP2 xrandr: screen cannot be larger than 1680x1680 (desired size 3360x1050)
Here is the xrandr output:
$ xrandr --output DFP1 --right-of DFP2
xrandr: screen cannot be larger than 1680x1680 (desired size 3360x1050)