From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA07C353A76; Wed, 22 Jul 2026 21:53:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784757186; cv=none; b=c6ujCL6f5g7vHKav/8yZfVqR0fDNPxchVsKW4IfjhIe036YuTDYAFBn3RK0iWPKzGE8WpKj2wjpPDlDKFw+3QW0fb+YCkc/Lg9JNtDMv42LghqgojYiKwvtVIW3lOGumPab0fH6VNvyqksRMyp8J5uMsoDpG0m53oDfXJFBBP08= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784757186; c=relaxed/simple; bh=orIRR2RUZyTC3XKAWPnc26m+AUhSAr89IqHGBXQ8bNA=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=kUu6VRWNZLnVeIYh5ThlywTwOgdRZonXwAnnvxTcEeRAPE8u0/D+9aBx88pz4aexjbP8VmnZJgnhYeH1mpl1lKRXLX6bd51ZYpVjJmqQqWcFQnVcG0iDLDVoRww7NpWfUpNEb7eUWsd2tpL+AjjUw9yMVmISahTWX29YCux+K2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=lJjFYGmb; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="lJjFYGmb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784757184; x=1816293184; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=orIRR2RUZyTC3XKAWPnc26m+AUhSAr89IqHGBXQ8bNA=; b=lJjFYGmbpxCnRSszfds4u5zkxLekAhiyXe9NVeIcbNjxJYaD5k4TK3An DN0YgI71CmXarADhoPdYJgIeYo/uXSXAWCoHsWoCx9VUUoU96pTmt/I09 cuC0C9WnCb/+uN/2spCaz6j24z2FW3FSONptSLIy1+ZrJpY4uJd633a5H Fd9gMM/oallabw88HYGTZ/2VHtHgPKr9Mmseor4IKo3xfzpIXpUwkDnMr ZBl2lXK/mo5GkRjHtWy73q6Cj+mV+XOFFij4dz1uIzquOE23qXTMR0uqz D0h5Ops9w8x3lMm17jclyOIW73dh+2JhEHuS2ufrpkctq+Y4qhV1FxLIB g==; X-CSE-ConnectionGUID: dI0uyjc+RjyISDp4/CX6ZA== X-CSE-MsgGUID: lWR9AsKJTbiPZ8JsQJkRPw== X-IronPort-AV: E=McAfee;i="6800,10657,11854"; a="96063766" X-IronPort-AV: E=Sophos;i="6.25,179,1779174000"; d="scan'208";a="96063766" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2026 14:53:03 -0700 X-CSE-ConnectionGUID: roWMGY0pTiSmcBj5HQG15g== X-CSE-MsgGUID: yCMvhx7HQvSX8c8DWCCwmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,179,1779174000"; d="scan'208";a="258904094" Received: from schen9-mobl4.amr.corp.intel.com (HELO xpardee-desk.lan) ([10.125.110.96]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2026 14:53:03 -0700 From: Xi Pardee To: xi.pardee@linux.intel.com, irenic.rajneesh@gmail.com, david.e.box@linux.intel.com, ilpo.jarvinen@linux.intel.com, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v2] platform/x86/intel/pmc: Update NVLS PCDS LPM request GUID Date: Wed, 22 Jul 2026 14:52:57 -0700 Message-ID: <20260722215259.1382305-1-xi.pardee@linux.intel.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The PMC SSRAM PMT telemetry GUID for Nova Lake S (NVLS) PCDS die changed due to a firmware version bump. The GUID is used by the PMC core driver to locate the correct PMT telemetry entry in SSRAM; if it doesn't match the firmware-reported value, the driver fails to find the LPM (Low Power Mode) data and cannot load properly. Update PCDS_LPM_REQ_GUID from 0x01091102 to 0x01091103 to match the new firmware version. Signed-off-by: Xi Pardee --- drivers/platform/x86/intel/pmc/nvl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel/pmc/nvl.c b/drivers/platform/x86/intel/pmc/nvl.c index 8dabf2511dd9d..1ed02332dbfce 100644 --- a/drivers/platform/x86/intel/pmc/nvl.c +++ b/drivers/platform/x86/intel/pmc/nvl.c @@ -14,7 +14,7 @@ /* PMC SSRAM PMT Telemetry GUIDS */ #define PCDH_LPM_REQ_GUID 0x01093101 #define PCHS_LPM_REQ_GUID 0x01092101 -#define PCDS_LPM_REQ_GUID 0x01091102 +#define PCDS_LPM_REQ_GUID 0x01091103 /* * Die Mapping to Product. -- 2.43.0