Re: X11 on Pi 4
- Reply: Bernd Walter : "Re: X11 on Pi 4"
- In reply to: Bernd Walter : "Re: X11 on Pi 4"
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Date: Sat, 16 Oct 2021 21:24:56 UTC
Bernd Walter <ticso@cicely7.cicely.de> writes: > 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. I don't know if this is your problem, but FreeBSD doesn't seem to initialize HDMI unless it connects to a monitor at boot. That means that you have to have a monitor plugged in when it boots up, and the monitor has to be turned on. If you boot up without a monitor plugged in, then I don't know any way to turn the HDMI output on, other than rebooting. -- Carl Johnson carlj@peak.org