Re: X11 on Pi 4

From: Bernd Walter <ticso_at_cicely7.cicely.de>
Date: Sat, 16 Oct 2021 20:04:03 UTC 
On Sat, Oct 16, 2021 at 09:51:54PM +0200, Bernd Walter wrote:
> I'm trying to get X11 runing on the Pi4.
> So far I don't get a signal on the screen.
> I'd tried both HDMI ports.
> FreeBSD mentions:
> VT(efifb): resolution 592x448
> ...
> fb0: <BCM2835 VT framebuffer driver> on simplebus0
> fb0: keeping existing fb bpp of 32
> fbd0 on fb0
> WARNING: Device "fb" is Giant locked and may be deleted before FreeBSD 14.0.
> VT: Replacing driver "efifb" with new "fb".
> fb0: 592x448(592x448@0,0) 32bpp
> fb0: fbswap: 1, pitch 2368, base 0x3eaf5000, screen_size 1060864

Ok, there was hdmi_safe=1, now I see the resultion.
However, the screen still has no signal.

> Is there some kind of initialisation missing from u-boot?
> I noticed that raspbian on the Pi4 also leave the screen disabled
> until X starts.
> Unfortunately starting X on FreeBSD doesn't change anything.

-- 
B.Walter <bernd@bwct.de> https://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.