Second screen scaling question on Fedora 40

Framework Laptop 13 Linux
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1

Hello FW users!!

I have a FW13 AMD with Fedora 40.
And as a second screen, I have an LG 34" (2560x1080).
My issue: Fedora think that my secondary display is smaller than 13", so the font size is really big on this secondary screen. I’d love to set a ratio scaling under that 100%. Can someone help me?
Maybe there another way to do this…

Thank you !

2

Hi and welcome to the forum

If you have large font then it means the LG is just replicating the 13" so the font is proportionally much larger i.e. nearly 3 time bigger 13 x 3 = 39.

3

Hi Amoun, thanks for taking time to read my post. But no, I’m not replicating the screen. Each display have there own applications.

5

Is this x11 or Wayland? X11 will let you set monitor dpi in xresources, and in GNOME Wayland you can use per monitor scaling.

6

Hi,
In my case this is Wayland.
I have try this or this one but
gsettings set org.gnome.mutter experimental-features "['scale-monitor-framebuffer']"
has no effect even after reboot and with sudo.
If someone use HiDPI, I would be happy to know how to achive this.

Regards

7

Have you restarted your computer after enabling scale-monitor-framebuffer? That did it for me. When you click on the monitor in display settings and it takes you to a screen for that specific monitor, it will show a scaling slider if it’s working.

GNOME shell and mutter version 47.0-1, been working since 45 for me.

8

Yes, I restarted my FW.
and $ gsettings get org.gnome.mutter experimental-features
give me: [‘scale-monitor-framebuffer’]
So this is set but I can’t change scaling to something else than 100 or 200…
Any idea??
Regards

9

Finally I did the steps given here “enable the option for all users” (because I have two users on my FW) and now I have more options about scaling values. But I’d like to reduce the scale to 75% maybe, not make it bigger.
I’ll continue to look a this point.
Regards

Update:
Finally, here is what I did:
Using screen parameters, I set the scaling factor to 175% for my FW screen (13", 2256x1504, ratio 3:2) and let it at 100% for my external screen (LG 34", 2560x1080, ratio 21:9)
And using gnome-tweaks, I set the font scaling factor to 0.73.
I’ll do more fine tuning, but for the moment this is not so bad.
I’ll also change cursor size to get something nicer.