linux-kernel - Re: [PATCH] platform/x86:intel/pmc: Update Arrow Lake telemetry GUID

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Message-ID: <mxzvvne6qycybtc25vj3mdoait5zz355kza7jcg5wcxz2ciji3@yn7k3jib72x7>
Date: Tue, 19 Aug 2025 12:41:11 -0700
From: David Box <david.e.box@...ux.intel.com>
To: Mark Pearson <mpearson-lenovo@...ebb.ca>
Cc: Xi Pardee <xi.pardee@...ux.intel.com>, irenic.rajneesh@...il.com, 
	Hans de Goede <hdegoede@...hat.com>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
	"platform-driver-x86@...r.kernel.org" <platform-driver-x86@...r.kernel.org>, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] platform/x86:intel/pmc: Update Arrow Lake telemetry GUID

Hi Xi,

On Mon, Aug 18, 2025 at 11:40:47AM -0400, Mark Pearson wrote:
> Thanks Xi
> 
> On Thu, Aug 14, 2025, at 3:51 PM, Xi Pardee wrote:
> > Updated ARL_PMT_DMU_GUID value. Arrow Lake PMT DMU GUID has
> > been updated after it was released. This updates ensures that
> > the die c6 value is available in the debug filesystem.
> >
> > Fixes: 83f168a1a437 ("platform/x86/intel/pmc: Add Arrow Lake S support 
> > to intel_pmc_core driver")
> > Signed-off-by: Xi Pardee <xi.pardee@...ux.intel.com>
> > ---
> >  drivers/platform/x86/intel/pmc/core.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/x86/intel/pmc/core.h 
> > b/drivers/platform/x86/intel/pmc/core.h
> > index 4a94a4ee031e6..24139617eef61 100644
> > --- a/drivers/platform/x86/intel/pmc/core.h
> > +++ b/drivers/platform/x86/intel/pmc/core.h
> > @@ -282,7 +282,7 @@ enum ppfear_regs {
> >  /* Die C6 from PUNIT telemetry */
> >  #define MTL_PMT_DMU_DIE_C6_OFFSET		15
> >  #define MTL_PMT_DMU_GUID			0x1A067102
> > -#define ARL_PMT_DMU_GUID			0x1A06A000
> > +#define ARL_PMT_DMU_GUID			0x1A06A102
> > 
> >  #define LNL_PMC_MMIO_REG_LEN			0x2708
> >  #define LNL_PMC_LTR_OSSE			0x1B88
> > -- 
> > 2.43.0
> 
> Tested this on my Lenovo P1 G8 and confirmed that it fixed the error message that was seen previously.
> 
> Tested-by: Mark Pearson <mpearson-lenovo@...ebb.ca>

If you send another version, please tag with a link to the bugzilla,
https://bugzilla.kernel.org/show_bug.cgi?id=220421

Thanks

David