From patchwork Sat Mar 8 18:38:09 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Pandruvada X-Patchwork-Id: 871795 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 ECB94202C44; Sat, 8 Mar 2025 18:38:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741459115; cv=none; b=sZIiMakl3X0caB8/tTQ8T/x5VAektbcNYcqjBbBIETUvLVpd8SPGARq3XJV2nDo8MO8v5VgWv9StL3SUkhFmDGTKoOvmK6b+xWR7opraCCkKX8kRBXDNYE+bp0dfpvC3qMaZhltbXu4axbP4Mhv609su+2+6TElj4ZfZOnPT/f0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741459115; c=relaxed/simple; bh=ICxQvEvaELWXWRTD7ERZkdpAUoDpnDms71ShTxZILq0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=dexZw5PYUxvpF6GFKfbmR5wHPysngiGnsCc5Lxov6UV0jgmAeuhsNG6uGKyfsMsGwnqEAtpGV1s45ShGlxyyIZklUkTSanuhzbkU3F5l/LYU1zzs0mdP7APBqhYULVDHqvkm8aAaBM5jiPtbbXAI8CNhTJ9GXw7QwvhW8G0vC3g= 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=hTuPFvxP; arc=none smtp.client-ip=198.175.65.15 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="hTuPFvxP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741459114; x=1772995114; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ICxQvEvaELWXWRTD7ERZkdpAUoDpnDms71ShTxZILq0=; b=hTuPFvxP195bbJtFUQSoViwP6IZiLuL/kFzxeNHozojK0YK7pdIbUv4H Zwk6z6OyH4rL1ePopBAn2MBAKklEs/WDfLtwXl2MKkforHVk7IQWAgzEN zpRTh42Sa34+PdZLMsK+GOrOb73jT2g9FRuA0sV4Re2wzcYI2gVJF6+aV 6/NEwzRy+MQbiyVvXxEDrEx7tjUjX8tQpCQkFZzV6uT5282+wfMSjsRvn eHmQ9MeH2FNebdsggL0d5G+laJgi/0flwEcKfqnntFGMcZpXloYlUNNrS /cqS0v2FnHfRpLtvXE14GTHipYMt2DE28YjC0qMxoKabZG3DOraqWDmfB A==; X-CSE-ConnectionGUID: B4XpsmnyR6mYYGE2esW5oQ== X-CSE-MsgGUID: 6D3hwoi7TH+LEvp+1LfMkg== X-IronPort-AV: E=McAfee;i="6700,10204,11367"; a="46148327" X-IronPort-AV: E=Sophos;i="6.14,232,1736841600"; d="scan'208";a="46148327" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2025 10:38:33 -0800 X-CSE-ConnectionGUID: 93+1aL03Tc65t2WKh4ha8Q== X-CSE-MsgGUID: bQmRIgPcSO+ZMlrZjoGcUA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,232,1736841600"; d="scan'208";a="119584462" Received: from spandruv-desk.jf.intel.com ([10.54.75.16]) by orviesa006.jf.intel.com with ESMTP; 08 Mar 2025 10:38:33 -0800 From: Srinivas Pandruvada To: rui.zhang@intel.com, daniel.lezcano@linaro.org, rafael@kernel.org, lukasz.luba@arm.com Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH 0/3] Platform Temperature Control interface Date: Sat, 8 Mar 2025 10:38:09 -0800 Message-ID: <20250308183812.118311-1-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Platform Temperature Control is a dynamic control loop implemented in hardware to manage the skin or any board temperature of a device. The reported skin or board temperature is controlled by comparing to a configured target temperature and adjusting the SoC (System on Chip) performance accordingly. This series supports optional controls from the user space. Srinivas Pandruvada (3): thermal: intel: int340x: Add platform temperature control interface thermal: intel: int340x: Enable platform temperature control thermal: int340x: processor_thermal: Platform temperature control documentation .../driver-api/thermal/intel_dptf.rst | 15 ++ .../thermal/intel/int340x_thermal/Makefile | 1 + .../platform_temperature_control.c | 181 ++++++++++++++++++ .../processor_thermal_device.c | 15 +- .../processor_thermal_device.h | 3 + .../processor_thermal_device_pci.c | 6 +- 6 files changed, 218 insertions(+), 3 deletions(-) create mode 100644 drivers/thermal/intel/int340x_thermal/platform_temperature_control.c