Different output between xrandr and xdpyinfo
ilan at tzirechnoy.com
Wed Nov 18 19:56:14 UTC 2020
On Wed, Nov 18, 2020 at 09:47:00AM +0800, limh at sunray.cn wrote:
> I'm using hdmi and lvds with touch screen. But the touch screen can move
> the pointer between two monitors like the picture now.png.
> But I want my touch screen to be applied on lvds like I want.png
> So I follow arch wiki to set the configuration. But I found xrandr showed
> only one screen:
> root at imx6qsabresd:~# xrandr
> Screen 0: minimum 240 x 240, current 1024 x 768, maximum 8192 x 8192
> DISP3 BG connected 1024x768+0+0 (normal left inverted right x axis y axis)
> 0mm x 0mm
> 1024x768_60.00 59.92*+
> xdpyinfo showed two screens.
> Here is xdpyinfo's output and /etc/X11/xorg.conf
> Also, I found the HDMI screen's cursor is a cross(the same as 'X').
> How to solve these problems?
Well, several screens is a rather ancient attempt to resolving
multihead configurations. It is not well supported by apps and
Currently, the usual way is a single (virtual) Screen, with
xrandr managing multiple monitors on it.
In xorg.conf it is specified in a Display SubSection of a Screen
Some good examples can be found e.g. here:
> xorg at lists.x.org: X.Org support
> Archives: http://lists.freedesktop.org/archives/xorg
> Info: https://lists.x.org/mailman/listinfo/xorg
> Your subscription address: %(user_address)s
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