linux-kernel - Re: [UPDATE][PATCH] ACPI / DPTF: Add additional attributes to power participant driver

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Date:   Thu, 21 May 2020 12:09:06 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>
Subject: Re: [UPDATE][PATCH] ACPI / DPTF: Add additional attributes to power
 participant driver

On Wed, May 20, 2020 at 11:31 PM Srinivas Pandruvada
<srinivas.pandruvada@...ux.intel.com> wrote:
>
> Add two additional attributes to the existing power participant driver:
> rest_of_platform_power_mw: (RO) Shows the rest of worst case platform
> power in mW. This will help in power distribution to SoC and rest of the
> system. For example on a test system, this value is 2.5W with a 15W TDP
> SoC. Based on the adapter rating (adapter_rating_mw), user space
> software can decide on proper power allocation to SoC to improve
> short term performance via powercap/RAPL interface.

OK, so "the rest" here means "that part outside of the SoC" IIUC.

So it would be good to spell this out in the description of the
attribute in the ABI documentation.