linux-kernel - Re: [PATCH v4 1/1] asus-wmi: Add support for custom fan curves

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Date:   Fri, 20 Aug 2021 12:51:08 +0200
From:   Bastien Nocera <hadess@...ess.net>
To:     Luke Jones <luke@...nes.dev>
Cc:     linux-kernel@...r.kernel.org, hdegoede@...hat.com,
        platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH v4 1/1] asus-wmi: Add support for custom fan curves

On Fri, 2021-08-20 at 12:43 +0200, Bastien Nocera wrote:
> On Fri, 2021-08-20 at 22:33 +1200, Luke Jones wrote:
> > > Am I going to get bug reports from Asus users that will complain
> > > that
> > > power-profiles-daemon doesn't work correctly, where I will have
> > > to
> > > wearily ask if they're using an Asus Rog laptop?
> > 
> > No. Definitely not. The changes to fan curves per-profile need to
> > be 
> > explicitly enabled and set. So a new user will be unaware that this
> > control exists (until they look for it) and their laptop will
> > behave 
> > exactly as default.
> 
> "The user will need to change the fan curves manually so will
> definitely remember to mention it in bug reports" is a very different
> thing to "the user can't change the fan curves to be nonsensical and
> mean opposite things".
> 
> I can assure you that I will eventually get bug reports from "power
> users" who break their setup and wonder why things don't work
> properly,
> without ever mentioning the changes they made changes to the fan
> curves, or anything else they might have changed.

A way to taint the settings that power-profiles-daemon could catch
would be fine by me. I absolutely don't want to have to support
somebody's tweaks until they undo them.