4096x2160 monitor has EDID reporting 3840x2160

[Jani Nikula]

On Sat, 22 Sep 2018, Brian Vincent <brainn at gmail.com> wrote:
> I have a LG 31MU97-B monitor.  My understanding is that EDID does not have
> a way to report itself as a 4096x2160 monitor, so it reports itself as a
> 3840x2160 monitor.  The mode that it actually supports for it's native
> resolution that I've been using looks like this:

A dmesg with drm.debug=14 might prove useful in figuring out what's
actually going on. Without the user provided mode.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center