Comment # 18 on bug 908747 from Stefan Dirsch

(In reply to Bruce Mallett from comment #17)
> Thanks everyone, esp. for giving me a little education about ~/.xinitrc.  I
> had originally added my xrandr lines to that file and not to .bash_profile
> but I could not login.  Hope I did this right: I copied
> /etc/X11/xinit/xinitrc to ~/.xinitrc and add my "xrandr" commands after
> where it says "# Add your own lines here ..."   ;)

Should be fine, although better make use /etc/skel/.xinitrc (but in that case
these are identical). Just make sure to run the commands in the background. But
xrandr returns immediately anyway.