[arch-general] xrandr with XPS 13" (3840x2160) HiDPI and 30" (2560x1600) LowDPI

[Ralph Corderoy]

Hi Tyler,

> $ export QT_SCREEN_SCALE_FACTORS=eDP1=2;DP1=1
> $ env |grep QT_SCREEN_SCALE_FACTOR
> QT_SCREEN_SCALE_FACTORS=eDP1=2
>
> seems DP1=1 lost it's setting.

Others have pointed out the flaw, but to investigate next time,
`set -x' is useful.

    $ set -x
    $ export QT_SCREEN_SCALE_FACTORS=eDP1=2;DP1=1
    + export QT_SCREEN_SCALE_FACTORS=eDP1=2
    + QT_SCREEN_SCALE_FACTORS=eDP1=2
    + DP1=1
    $ set +x
    $

-- 
Cheers, Ralph.
https://plus.google.com/+RalphCorderoy