popcornmix

See https://www.raspberrypi.com/news/raspberry-pi-bullseye-update-april-2022/

Can you try https://github.com/Hexxeh/rpi-firmware/commit/f8357e4d1dbc6b98dcec9acae9dbba5d9fb86040 and the one before? That's one commit that would affect 480i.

I believe interlaced output is now working on fkms and kms. Have you tried recently? You'll probably want to test rpi-update firmware/kernel currently - although apt should be updated to...

@DrJohnM61 do you know what firmware/kernel you were on previously? Does force_turbo=1 help? Does switching to firmware from [here](https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=262649&start=100#p1610257) help?

@JamesH65 did you mean @P33M ?

> by adding usbcore.old_scheme_first=1 to /boot/config.txt ? I think this should be `/boot/cmdline.txt`

> Unfortunately, adding usbcore.old_scheme_first=1 to the cmdline.txt did not work. You can confirm adding the option has worked with `cat /proc/cmdline` and checking for `usbcore.old_scheme_first=1`

Have you read: https://github.com/raspberrypi/firmware/blob/master/boot/overlays/README You'll need to enable the "vc" i2c interface through device tree.

I'm trying to reproduce. I have confirmed that using rpi-update (i.e. firmware you indicate with rpi 5.15.38-v7+ kernel) does boot okay on a Pi3+ with hdmi disconnected. I'll see if...

I managed to get upstream kernel working, but it booted okay for me without hdmi connected: ``` pi@a:~ $ uname -a Linux a 5.17.6-multi #606 SMP Mon May 9 19:55:57...