[Bug 278613] ASUS PRIME X570-PRO and AMD Ryzen 7 5700G fails to enter S0/S3 with 14.0-RELEASE-p6

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278613

--- Comment #1 from Enji Cooper <ngie@FreeBSD.org> ---
More info I forgot to include in the original report:
- shutdown -p now/zzz results in a "power bounce" (it seems like devices or
subsystems might be preventing the host from going to sleep?).
- The VGA console is blank on "resume".
-- Using "sysctl hw.acpi.reset_video=1" seems to deadlock the machine on
resume. Basic power functions seem to come back, but the system doesn't fully
power up (the CPU fan doesn't kick on again).
- I have tried both enabling and disabling the APM/ERP (sic) functions in the
BIOS and they don't seem to have an effect.

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