linux-kernel - Re: [PATCH 1/2] thermal: intel: int340x: Add performance control for platform temperature control

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Message-ID: <f33e302aac482860eebf5e5f45a44df77455512c.camel@intel.com>
Date: Thu, 5 Jun 2025 03:06:25 +0000
From: "Zhang, Rui" <rui.zhang@...el.com>
To: "srinivas.pandruvada@...ux.intel.com"
	<srinivas.pandruvada@...ux.intel.com>, "lukasz.luba@....com"
	<lukasz.luba@....com>, "rafael@...nel.org" <rafael@...nel.org>,
	"daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>
CC: "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] thermal: intel: int340x: Add performance control for
 platform temperature control

On Wed, 2025-06-04 at 13:35 -0700, Srinivas Pandruvada wrote:
> Add additional attribute to control performance of platform temperature
> control feature. Two attributes are added:
> 
> gain: 0-7 levels, with 0 being most aggressive.
> 	7 – graceful, favors performance at the expense of temperature
> 	overshoots
> 	0 – aggressive, favors tight regulation over performance

By reading this, I know that setting "pts_0_control/gain" to a larger
value means less aggressive ptc control.

But what does "gain" mean here?

May be my English problem, I'm trying hard to understand this, but it is
still a bit confusing to me.

thanks,
rui