[Bug 218686] Fail to set energy_performance_preference of amd processor on asus ga403uv

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=218686

--- Comment #65 from Chema (chemasanchezgarabito@gmail.com) ---
(In reply to xiaojian.du from comment #62)
> (In reply to Chema from comment #61)
> > (In reply to Chema from comment #60)
> > > I have the same laptop and also the command outputs are the same.
> > > 
> > > I have updated last week to the last BIOS version, but no changes I have
> > > seen.
> > > 
> > > Is there any updates to this?
> > 
> > Also, if CPPC is working in windows why it cant in linux?
> 
> Not exactly.
> 
> How to check CPPC is used or not on *Windows OS*:
>     *check Windows Logs -> System, look for "Kernel-Processor-Power" or
> event ID 55.
>        ->>If you find ACPI Collaborative Processor Performance Control,
>            then Windows is using CPPC.
>        ->>If you find ACPI Performance (P) / Throttle (T) State,
>            then it is using legacy P-states, and CPPC is disabled.

I have created and attachment showing that CPPC is working on windows, so is
this a thing of linux that does not work or is it that windows have a
workaround for activating it without the bios having it enabled?

Thanks.

-- 
You may reply to this email to add a comment.

You are receiving this mail because:
You are the assignee for the bug.