Open Quantamm opened 1 year ago
Maybe it's not X doing it? Since the VideoCore now has a proper KMS driver, it might be the kernel's virtual terminal driver that's powering off the display. Have you tried setterm --powersave off >/dev/ttyX
(where ttyX
is your active VT)?
(This is just a wild guess. Something to try.)
At your suggestion, I tried that command, but I get:
$ sudo setterm --powersave off setterm: cannot (un)set powersave mode: Inappropriate ioctl for device
I get the same thing as a regular user. And redirecting the output to /dev/tty7 doesn't change anything either.
Describe the bug
On Stretch, I had my Pi configured to blank the display, but still send a display signal. I'm using a TV for a display and if it looses the display signal, it turns off completely and is a pain to get set back up again.
I just installed Bullseye and now, whenever the display is blanked, the display signal stops as well.
Steps to reproduce the behaviour
Then wait 5 seconds.
I also tried adding:
to /boot/config.txt, but it doesn't help.
Device (s)
Raspberry Pi 4 Mod. B
System
pi@workout:~ $ cat /etc/rpi-issue Raspberry Pi reference 2023-05-03 Generated using pi-gen, https://github.com/RPi-Distro/pi-gen, 7c750947a959fb626a70c09fd17c65815df192ac, stage4 pi@workout:~ $ vcgencmd version Mar 17 2023 10:50:39 Copyright (c) 2012 Broadcom version 82f3750a65fadae9a38077e3c2e217ad158c8d54 (clean) (release) (start) pi@workout:~ $ uname -a Linux workout 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023 aarch64 GNU/Linux
Logs
No output is sent to
dmesg
when the screen blanks.Additional context
No response