https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270707

--- Comment #38 from Matthias Lanter <free...@lanter-it.ch> ---
I also don't know the reason why AMD does this with the Ryzen 6000 and newer.

I currently have three different AMD-based notebooks at my disposal.

Lenovo Yoga Slim 7 Pro 14ACH5 with Ryzen 7 5800H:
https://bsd-hardware.info/?probe=020e17c2f8

Lenovo ThinkPad T14 Gen 3 21CF002UMZ with Ryzen 7 Pro 6850U:
https://bsd-hardware.info/?probe=0a2c02f944

Lenovo ThinkPad T14 Gen 4 21K3CTO1WW with Ryzen 7 Pro 7840U (no Probe)

According to acpidump, the newer two have an IRQ 1 with acitve-low, the older
one does not.

Since we do not know exactly how many systems still need the old patch, this is
unfortunately not easy to solve.

I would introduce a parameter that enables the previous behavior, e.g.:
hint.acpi.force_irq_active-high="YES"

Of course, this would have to be mentioned for existing systems before an
update. 

This means that a special parameter does not have to be set for installations
so that the keyboard still works not only in the boot menu but also in the
installer.

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