svn commit: r326383 - head/sys/x86/cpufreq

[Jung-uk Kim]

On 12/07/2017 05:03, Alexey Dokuchaev wrote:
> On Thu, Nov 30, 2017 at 03:08:49PM -0500, Jung-uk Kim wrote:
>> ...
>> Probably.  However, I am just trying to fix my FX-8350 and A10-6800 and
>> I don't have Zen processors to verify the MSRs are actually working on
>> those CPUs.
> 
> Ah, that's so lovely, thanks Jung-uk; I feel that our support for AMD
> fam. 15h CPUs is lacking.  E.g. only four P-states are reported for my
> A8-5550M, while it supports boosted P-states per BKDG, and reading MSRs
> directly via `sysutils/amdmsrtweaker' reports eight of them (P0 .. P7),
> with three turbo P-states P0 P1 P2.

You don't trust your BIOS? ;-)

Unless SSDT is unavailable or broken, we should use ACPI tables first.

> Since you have A10-6800 you might try to reproduce what I see here with
> A8-5550M.

I'll take a look when I find some free time.

Jung-uk Kim

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