From patchwork Mon Dec 9 18:52:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Limonciello X-Patchwork-Id: 13900207 X-Patchwork-Delegate: mario.limonciello@amd.com Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2087.outbound.protection.outlook.com [40.107.223.87]) (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 3212B187844; Mon, 9 Dec 2024 18:53:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.223.87 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733770399; cv=fail; b=VdFdcEZwcpnQuPiGtHO/zdzPZPZrjEQLkWlkdwF1mOWJpRKV011aw4qe0nDVOO4bjfeBJuNfw+L6FHCGVZ3gMk1PCZqoYFp5dSdwC24rqPaKUIwiO3Y16/TjI1mC11hLkAlxxlI7NjcL2pXgLXuS16Rf+YMG7ASl8sgnaBNrZ8o= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733770399; c=relaxed/simple; bh=6MTHRL5MHUSp36pwBet7p28UW/1GIbDwH06pyPCfy2s=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dUXGQ7sIBpqWD16RmtjcMz637bYRK+qzVc6PqetsbddJ1IzrpylJkG9vUdWnRm3mWSaY3v3Csa/MGTtbSsZBlozw4H1kEAR8VNCCIoqdc2wg4pzSORO8NNXij55gf+j8i7VxnkQuITwicp8LwNLwZYV1oHAIxTPUhgREVCj90R0= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=S4D+G7of; arc=fail smtp.client-ip=40.107.223.87 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="S4D+G7of" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=yMteiD9Gv4KCZf15kWg2A/SaE+eXT3lkaYH+N/YLq342e/Zkb2K3vCQ8dNZf81wbJj+PpvPSULhC0hfSjUi7+pY5bnIIYnjYRK4uEsJfzB/CyfzULP2z7rSMsSDVynMjlrSJWWBSv73JGLj4fdQgH9PR9i3SyLq3WdBJB8mEIYxmoWPC4Djd4DPEb2xQB1G5qfxEdhGtt50fuHTg2LyxK6N1kz7SV+COq7CeIu7DAuZkC6KJAdWcwHVaXDFBZBwywmT7kSGh5ozioiuC5wKpFnpM/kmp+y/KCeXwYEkpowuuC6HENM8ioIvTE+IFHm9bTuXPIZUUJtWHEgIIBmEocw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=saJk+iuS5VELA3XAGJetWjnvUPeLQzFGvShlQkEJD4k=; b=RhAiLb7Onxe96DvyXV6uOteMRaZlpI5eMAaY89gQ6yLB4JsRJ+m7LAIq3CaEQNV511WQR8WjQQAnW0i4qxeYY3xJy1uM4TJgAjxbpwHNK88MmcCGibpi3W+kLG5CRm5jiAvFKtVvsTyjhnMBBab5X78hJd91YCRpUUS7L2kwh0TNp8BTrRNKk4b1eHyoMfKv5ovOauroZ2NeOlluqI1zCV38reqUccQUAqY26FRaQn/LUC601st9g2Uvcb74oEp0qYgOuHh5Cnuh2yQxcKjy/InWoVJBVK/08mWIpl+gkIV2l6CImYRIkML/1swDH8ATldSArcgzlOAb2V2C1A0vWQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=saJk+iuS5VELA3XAGJetWjnvUPeLQzFGvShlQkEJD4k=; b=S4D+G7of+btK1g3DdCwgFhSIca06ou6zL1paqgiZKrb4grgK17Yb6KBoCUHzSPuCA1asKyFkACwBVihvomO9LUqonn6DSHRJ7wxlX71qzv7dABa5mfslT+a6Ql8pUaxY+X7Nvxbkl45eqBlPIOJ3jI7EfblaIzm1NuoH9Q9w6jg= Received: from CH2PR19CA0023.namprd19.prod.outlook.com (2603:10b6:610:4d::33) by IA0PR12MB8207.namprd12.prod.outlook.com (2603:10b6:208:401::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8230.11; Mon, 9 Dec 2024 18:53:14 +0000 Received: from CH1PEPF0000A348.namprd04.prod.outlook.com (2603:10b6:610:4d:cafe::d1) by CH2PR19CA0023.outlook.office365.com (2603:10b6:610:4d::33) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8230.15 via Frontend Transport; Mon, 9 Dec 2024 18:53:14 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CH1PEPF0000A348.mail.protection.outlook.com (10.167.244.4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Mon, 9 Dec 2024 18:53:14 +0000 Received: from AUS-P9-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 9 Dec 2024 12:53:11 -0600 From: Mario Limonciello To: "Gautham R . Shenoy" CC: Perry Yuan , , , Dhananjay Ugwekar , Mario Limonciello Subject: [PATCH v3 05/15] cpufreq/amd-pstate: Drop cached epp_policy variable Date: Mon, 9 Dec 2024 12:52:38 -0600 Message-ID: <20241209185248.16301-6-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241209185248.16301-1-mario.limonciello@amd.com> References: <20241209185248.16301-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH1PEPF0000A348:EE_|IA0PR12MB8207:EE_ X-MS-Office365-Filtering-Correlation-Id: b5318070-06c0-48b8-d2c8-08dd1882bc71 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2024 18:53:14.1932 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b5318070-06c0-48b8-d2c8-08dd1882bc71 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000A348.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8207 epp_policy is not used by any of the current code and there is no need to cache it. Reviewed-by: Gautham R. Shenoy Signed-off-by: Mario Limonciello --- drivers/cpufreq/amd-pstate.c | 3 --- drivers/cpufreq/amd-pstate.h | 2 -- 2 files changed, 5 deletions(-) diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 6a96d3a24c77e..dd25e7e615984 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1478,7 +1478,6 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy) return -ENOMEM; cpudata->cpu = policy->cpu; - cpudata->epp_policy = 0; ret = amd_pstate_init_perf(cpudata); if (ret) @@ -1585,8 +1584,6 @@ static int amd_pstate_epp_update_limit(struct cpufreq_policy *policy) value &= ~AMD_CPPC_DES_PERF(~0L); value |= AMD_CPPC_DES_PERF(0); - cpudata->epp_policy = cpudata->policy; - /* Get BIOS pre-defined epp value */ epp = amd_pstate_get_epp(cpudata, value); if (epp < 0) { diff --git a/drivers/cpufreq/amd-pstate.h b/drivers/cpufreq/amd-pstate.h index cd573bc6b6db8..7765c82f975c6 100644 --- a/drivers/cpufreq/amd-pstate.h +++ b/drivers/cpufreq/amd-pstate.h @@ -57,7 +57,6 @@ struct amd_aperf_mperf { * @hw_prefcore: check whether HW supports preferred core featue. * Only when hw_prefcore and early prefcore param are true, * AMD P-State driver supports preferred core featue. - * @epp_policy: Last saved policy used to set energy-performance preference * @epp_cached: Cached CPPC energy-performance preference value * @policy: Cpufreq policy value * @cppc_cap1_cached Cached MSR_AMD_CPPC_CAP1 register value @@ -94,7 +93,6 @@ struct amd_cpudata { bool hw_prefcore; /* EPP feature related attributes*/ - s16 epp_policy; s16 epp_cached; u32 policy; u64 cppc_cap1_cached;