From patchwork Thu Nov 14 08:48:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lifeng Zheng X-Patchwork-Id: 13874738 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 0C5571E8822; Thu, 14 Nov 2024 08:48:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731574103; cv=none; b=Pfbt9UHpsVAzzC9AbPRMlYAMp4TiVaf7S8ctTWN1eiLUBKkqwD2MUuuEy6Lh6UUIWQ5SsLNx5TsmS+WVYSTsb1Up5boRSChNPB2tgPewK5/uoKdtGrdwCZom8ATCE6Zi3P6A6r4a/a92qXPUDxRHBS5aACk63mokvxdzYKgLyWY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731574103; c=relaxed/simple; bh=WfUtS8wmBjwich4/bH6kQmwM9n6aLlG/Qrf+UCnO+vk=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=gP1lD2ZYXVbhzi+oGH1ZT798iZ2yyLuwRVeggN/IZJKRMgcIG/Q1ocOYNgy7S7b3f9YMNsIBIh0cLHMCW8yxcibnGrjscd/s05dkQ5xPnXY7qVwzGmLGO3890t88zaketrE/ZKHics71vyx0fUSz/GZtxtcX7QTQAcQo7FGZt1o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Xptyz5kwmz10Qtw; Thu, 14 Nov 2024 16:45:47 +0800 (CST) Received: from kwepemh100008.china.huawei.com (unknown [7.202.181.93]) by mail.maildlp.com (Postfix) with ESMTPS id 625481402E0; Thu, 14 Nov 2024 16:48:18 +0800 (CST) Received: from localhost.huawei.com (10.50.165.33) by kwepemh100008.china.huawei.com (7.202.181.93) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 14 Nov 2024 16:48:17 +0800 From: Lifeng Zheng To: , , , CC: , , , , , , , Subject: [PATCH 0/3] Support for autonomous selection in cppc_cpufreq Date: Thu, 14 Nov 2024 16:48:13 +0800 Message-ID: <20241114084816.1128647-1-zhenglifeng1@huawei.com> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemh100008.china.huawei.com (7.202.181.93) Add sysfs interfaces for CPPC autonomous selection in the cppc_cpufreq driver. The patch series is organized in two parts: - patch 1 refactor out the general CPPC register get and set functions in cppc_acpi.c - patches 2-3 expose sysfs files for users to control CPPC autonomous selection when supported Lifeng Zheng (3): ACPI: CPPC: Refactor register get and set ABIs ACPI: CPPC: Add autonomous selection ABIs cpufreq: CPPC: Support for autonomous selection in cppc_cpufreq .../ABI/testing/sysfs-devices-system-cpu | 54 ++++ drivers/acpi/cppc_acpi.c | 235 +++++++++--------- drivers/cpufreq/cppc_cpufreq.c | 141 +++++++++++ include/acpi/cppc_acpi.h | 20 ++ 4 files changed, 331 insertions(+), 119 deletions(-)