From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 9956037160; Wed, 25 Jun 2025 06:31:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750833110; cv=none; b=T/Pyu7hJl7wNaYAwjeXIPKfSLhWey/SUyzuPJpO7naK/NmpHHq9e9IVzLHwEUq65FLocb+AY7pi4AlF6YrCFByPPCur66L2MlaQZK2j85A9SRocUqgo9mAl9pl3gx3+eKdJPdaQjTSlwYiIL7+junrUEFoMbxz/xQJiognZx13s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750833110; c=relaxed/simple; bh=NLfLMLy3D0pv0BPkZUDbfHWUooD/CY1z9LjKKOFctvQ=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=p5vmYyMnk8DlbnsbUp6veVVV+UpeB/xZaS8dCr0n2e/VNPXvJiohTm3JVw+7WsB5fqIAxNsepqw7yc2ocyZY66nqPtbl5loLp85958FU74UAjR38HrmN+uPbH9qtmNgVc2OF5qfY3buj9TWtrGD3RRQA0ZoP3V+6HxXWfDjnJMc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hqUmnTYS; arc=none smtp.client-ip=198.175.65.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none 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="hqUmnTYS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750833109; x=1782369109; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=NLfLMLy3D0pv0BPkZUDbfHWUooD/CY1z9LjKKOFctvQ=; b=hqUmnTYS4kTt+0jxKwFI8s1T9YVwWgYENL54p4NHDXh4CRK768SIo80M dgcoacQA/cPqQvu9a5FVQ7qatFKnfXgcbIf8N9uCVI5EEYn4CtH5KORO7 2AOVfZiMLI5G3F1iAcgapIijyvBpwTYLvmFISU6eUjSNfeef6THi55UcX +xZD83IfR4FjuVXm2JKqodLMAae1cm4cKwUkACfrSKza5sR6BOF1qp/Ow b4G16iuHtWfLC2SDX77jGyFk7TMuweFiur5k/XXgHfOKNThZXXmDBgUCa cKFICEdM0xqEqmHJKDueOCJoflgzENPMOcd8dCfn8FWNMqzdYfTvm3Lva w==; X-CSE-ConnectionGUID: bNu/ji6eRz6eHHyTUfDeQA== X-CSE-MsgGUID: RsqF7fn5TSmXvKbgPt1QwA== X-IronPort-AV: E=McAfee;i="6800,10657,11474"; a="53187455" X-IronPort-AV: E=Sophos;i="6.16,264,1744095600"; d="scan'208";a="53187455" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2025 23:31:49 -0700 X-CSE-ConnectionGUID: J8aDqBT8RCKV/hsH+1WzOQ== X-CSE-MsgGUID: X8O02w/OSkWGOt4qXoL2Ew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,264,1744095600"; d="scan'208";a="152257571" Received: from daliomra-mobl3.amr.corp.intel.com (HELO xpardee-desk.intel.com) ([10.124.223.140]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2025 23:31:47 -0700 From: Xi Pardee To: xi.pardee@linux.intel.com, irenic.rajneesh@gmail.com, david.e.box@linux.intel.com, hdegoede@redhat.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 0/5] Enable SSRAM support in PTL and LNL Date: Tue, 24 Jun 2025 23:31:37 -0700 Message-ID: <20250625063145.624585-1-xi.pardee@linux.intel.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series enables SSRAM support, including achieving PMC information and low power mode substate requirements from telemetry region, in Lunar Lake and Panther Lake platforms for Intel PMC Core driver. The first patch enables SSRAM support for Lunar Lake. The next three patches introduces a new table in telemetry region to get substate requirement information for platforms starting from Panther Lake. The last patch enables SSRAM support for Panther Lake. --- v2->v1: - Change to only check ret variable value when getting substate data in pmc_core_get_telem_info(). - Return immediately when devm_kcalloc() fails. - Return 0 instead of ret when succeeding in pmc_core_pmt_get_blk_sub_req(). - Replace devm_kzalloc() with devm_kcalloc(). - Add telem_info field of arl_pmc_dev variable. --- Xi Pardee (5): platform/x86:intel/pmc: Enable SSRAM support for Lunar Lake platform/x86:intel/pmc: Move telemetry endpoint register handling platform/x86:intel/pmc: Improve function to show substate header platform/x86:intel/pmc: Show substate requirement for S0ix blockers platform/x86:intel/pmc: Enable SSRAM support for Panther Lake drivers/platform/x86/intel/pmc/arl.c | 2 + drivers/platform/x86/intel/pmc/core.c | 169 ++++++++++++++++++++------ drivers/platform/x86/intel/pmc/core.h | 14 +++ drivers/platform/x86/intel/pmc/lnl.c | 17 +++ drivers/platform/x86/intel/pmc/mtl.c | 1 + drivers/platform/x86/intel/pmc/ptl.c | 30 +++++ 6 files changed, 199 insertions(+), 34 deletions(-) -- 2.43.0