fbcon on one of multiple displays

Javier Martinez Canillas javierm at redhat.com
Mon Dec 4 10:11:58 UTC 2023


Eric Nelson <eric at nelint.com> writes:

Hello Eric,

> Hi all,
>
> Is there a way to configure a framebuffer console on a specific display 
> on a machine with multiple displays?
>

Have you looked at https://www.kernel.org/doc/Documentation/fb/fbcon.txt ?

There is a sysfb interface to bind / unbind fbdev devices to fbcon's VT
(/sys/class/vtconsole/vtcon1/bind) and also kernel command line parameter
to choose which fbdev driver is mapped to which VT console (fbcon=map:n).

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat



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