Jim Hague wrote:
> Updating a couple of Debian unstable laptops to the latest X server, my font
> sizes changed.
>
> Investigating, I find that my screen DPI has been changed. Previously it was
> calculated from the screen physical dimensions and resolution.
>
> Now xdpyinfo reports different screen dimensions. Xorg.0.log shows the
> dimensions are read correctly from the monitor EDID, but by the time they
> reach xdpyinfo they've been altered to make the screen DPI 96x96.
>
> After some Googling, this seems to be a core X change (it's not down to
> chipset driver) and is intentional. See
> http://bugs.freedesktop.org/show_bug.cgi?id=23705.
>
> Specifying screen dimensions via DisplaySize in /etc/X11/xorg.conf doesn't
> help. They're ignored too.
>
> Anyone out there follow the Xorg devs and can explain this? Has someone
> decided that since Windows nails everyone to a couple of fixed DPI, the rest
> of the world needs to follow suit?
I don't know why they did it, but I find I have to override it using
xrandr --dpi before I start Emacs, to get useful size fonts.
-- Jamie
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