Re: v5.8+ powersave governor breakage?

From: Rafael J. Wysocki
Date: Thu Nov 05 2020 - 13:03:11 EST


On Thursday, November 5, 2020 4:08:30 PM CET Mike Galbraith wrote:
> On Thu, 2020-11-05 at 15:31 +0100, Rafael J. Wysocki wrote:
> > On Monday, November 2, 2020 7:18:41 AM CET Mike Galbraith wrote:
> >
> > > Desktop box did, it gained a working ondemand, while its previously
> > > working powersave went broke.
> >
> > Most likely that's because it was handled by intel_pstate in the "active" mode
> > previously, while it is now handled by it in the "passive" mode...
>
> Perhaps the user interface should then nak switching to powersave as it
> used to nak switching to ondemand?

It cannot do that if the powersave governor is configured in.

[Essentially, the problem is that the "powersave" thing advertised by
intel_pstate in the "active" mode is not really the powersave governor,
but that is a mistake made in the past and cannot be undone. Sorry about
that.]