linux-kernel - Re: [RFC PATCH v4 6/8] intel_idle: Provide enter

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Message-ID: <9b38b1ff-1755-4648-ae2e-9c7cce94c2b1@linux.intel.com>
Date: Mon, 25 Nov 2024 15:48:09 +0100
From: Patryk Wlazlyn <patryk.wlazlyn@...ux.intel.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 rafael.j.wysocki@...el.com, len.brown@...el.com,
 artem.bityutskiy@...ux.intel.com, dave.hansen@...ux.intel.com,
 peterz@...radead.org, tglx@...utronix.de, gautham.shenoy@....com
Subject: Re: [RFC PATCH v4 6/8] intel_idle: Provide enter_dead() handler for
 SRF

> Is this still the case with the latest firmware?
>
> If so, this could be the second patch in the series if [1-3/7] are dropped.
>
> Otherwise, I don't think it is needed any more.
I discussed this case with Artem or Len off-list, before.
The idea is to add it for SRF too, to make sure that you get PC6, even on old firmware.

Just as reminder - the whole patch series is here to guard for future platforms too.
The SRF is just the one the problem was observed on.