linux-kernel - Re: [PATCH] platform/x86: ISST: Allow reading core-power state on HWP disabled systems

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Message-ID: <9c80b55de09af2549b7465b7c2322254c71d7d4e.camel@linux.intel.com>
Date: Thu, 29 Feb 2024 07:11:47 -0800
From: srinivas pandruvada <srinivas.pandruvada@...ux.intel.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: Hans de Goede <hdegoede@...hat.com>, markgross@...nel.org, Andy
 Shevchenko <andriy.shevchenko@...ux.intel.com>,
 platform-driver-x86@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: ISST: Allow reading core-power state on
 HWP disabled systems

On Thu, 2024-02-29 at 14:32 +0200, Ilpo Järvinen wrote:
> On Wed, 28 Feb 2024, Srinivas Pandruvada wrote:
> 
> > When HWP (Hardware P-states) is disabled, dynamic SST features are
> > disabled. But user should still be able to read the current core-
> > power
> > state, with legacy P-states. This will allow users to read current
> > configuration with static SST enabled from BIOS.
> > 
> > To address this, do not call disable_dynamic_sst_features() when
> > the
> > request is for reading the state.
> > 
> > Signed-off-by: Srinivas Pandruvada
> > <srinivas.pandruvada@...ux.intel.com>
> 
> Is this a fix? (It's lacking the tag if it is).
This is not a fix. This is a feature request from a customer.
Some customer wants to use in certain way.

Thanks,
Srinivas

>