Re: 4K monitors?

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On 04.07.2014 23:06, Tom Horsley wrote:
On Fri, 04 Jul 2014 22:58:27 +0200
lee wrote:

Huh?  You can't just specify a resolution in xorg.conf anymore?

Nope. After proudly ignoring EDID for 20 years, linux switched
gears completely. Now it basically pays no attention to anything
you have to say in xorg.conf (though you can occasionally
put little fragments of things it is willing to look at in
the xorg.conf.d directory for maybe doing things like tweaking
options in the video driver).


Section "Device"
    Identifier  "card"
EndSection

Section "Monitor"
    Identifier  "monitor"
    Option      "PreferredMode" "<xres>x<yres>"
EndSection

Section "Screen"
    Identifier  "Default Screen"
    Device      "card"
    Monitor     "monitor"
EndSection


"<xres>x<yres>" is one from the built-in set of VESA standard modes, which is normally sufficient.
However, if someone needs a non-standard mode, it can be supplied as 'ModeLine' as part of the Section "Monitor".
There may be additional directives, but the point is this works with a broken EDID.
Therefore this is another solution.


poma


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