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

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Message-Id: <88da5769-1eae-4520-99b0-78a59bdbd867@app.fastmail.com>
Date: Mon, 18 Aug 2025 11:40:47 -0400
From: "Mark Pearson" <mpearson-lenovo@...ebb.ca>
To: "Xi Pardee" <xi.pardee@...ux.intel.com>, irenic.rajneesh@...il.com,
 david.e.box@...ux.intel.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

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>

Mark