>
> > Oops. I neglected to preface this with my motivation: I have a new
> > monitor that doesn't report its native resolution in its EDID block. It
> > seemed to me this calls for an EDID quirk, but the current quirk
> > infrastructure doesn't allow explicitly creating new modes. So I set out
> > to make a simple enhancement to allow specifying a new mode and then
> > setting it as preferred.
> >
>
> That's odd. Maybe it's actually in an extension block or something like
> that?
Yeah, I agree. According to edid-decode /sys/class/drm/card0-HDMI-A-1/edid
there's one extension block, but none of those modes are the native resolution
either.