you need to look for the section that says Screen #0/#1 and the next few lines will the the stuff you care about (size/dpi).
On Sat, Apr 9, 2022 at 11:37 AM home user <mattisonw@xxxxxxxxxxx> wrote:
On 4/9/22 10:00 AM, Roger Heflin wrote:
> Check that both monitors are running the same resolution.
How do I do that?
> Also run "xdpyinfo" (rpm is xdpyinfo if you don't have it installed, I
> don't know if this tool works on wayland or not) and see if the listed
> size of the screens and dpi is similar on both monitors. I have seen
> some devices that the EDID info is wrong and because of that it
> calculates the DPI wrong and adjusts sizes based on that data. MIne
> produces output like this:
>
> Screen #0:
> dimensions: 3840x2160 pixels (1016x571 millimeters)
> resolution: 96x96 dots per inch
>
> Mine is actually 940mm x 530mm so EDID lists my monitor as about 8%
> bigger than it really is
>
> Windows may have a monitor device table that it uses that has correct
> values in it, or windows 7 may not be playing any DPI scaling games.
Yeow! I get hundreds of line of output! I don't see anything in the
man page for paring this down. How do I pare down the output? The
output looks identical regardless of which monitor I run the command on.
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