For about half a year my FW 16 with amdgpu would load the driver, get a blank screen, and then be back to POST. I tried drm-kmod main, 6.6, 6.1 back then.
In October I started compiling a NODEBUG kernel on main and likely also put the full amdgpu firmware from linux-firmware.git into /boot/firmware and I got graphics working.
After the update of main today (same drm-kmod 6.6-lts without changes according to git pull) loading amdgpu now hangs hard. Keybaord is dead. Laptop does not reboot or anything by itself after minutes. The power button is the only rescue. Here's the last lines from boot -v:
