On Mon, Dec 4, 2023 at 8:52 AM Eric Nelson <eric@xxxxxxxxxx> wrote: > > Thanks Javier, > > On 12/4/23 03:11, Javier Martinez Canillas wrote: > > Eric Nelson <eric@xxxxxxxxxx> 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). > > > > I have seen this, but it's not clear how we can use this. In our case, > we have a single driver for two displays. > > I hope to get a device on my desk this week to test it out. Are you referring to two devices that just both happen to use the same driver, or multiple displays driving by a single device? For the latter, drm drivers at least only expose a single "display" via the fbcon emulation. Alex
