Re: Cpufreq drivers not working on T480S

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Thu, Jan 08, 2026 at 08:32:37AM +0100, Jan Beulich wrote:
> On 07.01.2026 20:19, Marek Marczykowski-Górecki wrote:
> > On Tue, Jan 06, 2026 at 09:25:14AM +0100, Jan Beulich wrote:
> >> On 06.01.2026 02:03, Jason Andryuk wrote:
> >>> no-hwp failed to disable HWP.  But if there is no ACPI CPU data, it
> >>> wouldn't work either.
> >>
> >> There isn't any "no-hwp" option that we would recognize, is there? Iirc HWP
> >> isn't enabled by default, so simply not saying "cpufreq=hwp" should disable
> >> the driver? (I already found the original report confusing in this regard,
> >> hence why I preferred to not reply so far. I wonder if there are local
> >> patches in use.)
> > 
> > Qubes has a patch enabling HWP by default on supported platforms.
> 
> In which case can you please tell the reporter how to properly disable use of
> the driver? Iirc the to-be-expected "cpufreq=xen" was already tried, with no
> effect.

Looking at the code, it should be cpufreq=xen,no-hwp (so ",", not ":").

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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