In my config, BBAI running 4.14 kernel, I found two instances of fbcon:
$ sudo find / -name fbcon

* /sys/devices/virtual/graphics/fbcon*
* /sys/class/graphics/fbcon*


The framebuffer console seems to be attached to the console layer.

*$ cat /sys/class/vtconsole/vtcon1/bind*
*1*
*$ cat /sys/class/vtconsole/vtcon0/bind*
*0*


Info on fbcon:
https://www.kernel.org/doc/html/latest/fb/fbcon.html


Not sure if this helps at all.

Cheers,

Jon


On Fri, Sep 11, 2020 at 11:24 AM Robert Nelson <[email protected]>
wrote:

> On Fri, Sep 11, 2020 at 12:56 PM Dennis Lee Bieber
> <[email protected]> wrote:
> >
> > On Fri, 11 Sep 2020 04:56:42 -0700 (PDT), in
> > gmane.comp.hardware.beagleboard.user "Mark A. Yoder"
> > <[email protected]> wrote:
> >
> >
> > >
> > >Are you sure there is a fbcon module?
> >
> > https://www.kernel.org/doc/html/latest/fb/fbcon.html#a-configuration
> >
> > ... seems to imply it may not have been built for the standard release
> BBB
> > kernels.
>
> It's enabled:
>
> │
> ┌───────────────────────────────────────────────────────────────────────┐ │
>   │ │    [*] Framebuffer Console support
>      │ │
>   │ │    -*-   Map the console to the primary display device
>      │ │
>   │ │    [*]   Framebuffer Console Rotation
>      │ │
>   │ │    [ ]   Framebuffer Console Deferred Takeover
>   │
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
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> .
>

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