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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 BL02EPF00021F69.mail.protection.outlook.com (10.167.249.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8114.16 via Frontend Transport; Mon, 28 Oct 2024 02:02:22 +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; Sun, 27 Oct 2024 21:02:16 -0500 From: Mario Limonciello To: Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= CC: "Rafael J . Wysocki" , Len Brown , Maximilian Luz , Lee Chun-Yi , "Shyam Sundar S K" , Corentin Chary , "Luke D . Jones" , Ike Panhc , Henrique de Moraes Holschuh , "Alexis Belmonte" , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Ai Chao , Gergo Koteles , open list , "open list:ACPI" , "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" , "open list:THINKPAD ACPI EXTRAS DRIVER" , Mark Pearson , Matthew Schwartz , Mario Limonciello Subject: [PATCH v2 11/15] ACPI: platform_profile: Set profile for all registered handlers Date: Sun, 27 Oct 2024 21:01:27 -0500 Message-ID: <20241028020131.8031-12-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241028020131.8031-1-mario.limonciello@amd.com> References: <20241028020131.8031-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@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: BL02EPF00021F69:EE_|CH3PR12MB7690:EE_ X-MS-Office365-Filtering-Correlation-Id: d4632f72-84fa-4983-55ce-08dcf6f48fca X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|36860700013|82310400026; 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)(1800799024)(7416014)(376014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Oct 2024 02:02:22.3998 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d4632f72-84fa-4983-55ce-08dcf6f48fca 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: BL02EPF00021F69.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7690 If multiple platform profile handlers have been registered then when setting a profile verify that all profile handlers support the requested profile and set it to each handler. If this fails for any given handler, revert all profile handlers back to balanced and log an error into the kernel ring buffer. Tested-by: Matthew Schwartz Signed-off-by: Mario Limonciello --- drivers/acpi/platform_profile.c | 47 ++++++++++++++++++--------------- 1 file changed, 26 insertions(+), 21 deletions(-) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index a83842f05022b..db2ebd0393cf7 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -105,37 +105,42 @@ static ssize_t platform_profile_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct platform_profile_handler *handler; + unsigned long choices; int err, i; - err = mutex_lock_interruptible(&profile_lock); - if (err) - return err; - - if (!cur_profile) { - mutex_unlock(&profile_lock); - return -ENODEV; - } - /* Scan for a matching profile */ i = sysfs_match_string(profile_names, buf); if (i < 0) { - mutex_unlock(&profile_lock); return -EINVAL; } - /* Check that platform supports this profile choice */ - if (!test_bit(i, cur_profile->choices)) { - mutex_unlock(&profile_lock); - return -EOPNOTSUPP; - } + scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &profile_lock) { + if (!platform_profile_is_registered()) + return -ENODEV; - err = cur_profile->profile_set(cur_profile, i); - if (!err) - sysfs_notify(acpi_kobj, NULL, "platform_profile"); + /* Check that all handlers support this profile choice */ + choices = platform_profile_get_choices(); + if (!test_bit(i, &choices)) + return -EOPNOTSUPP; + + list_for_each_entry(handler, &platform_profile_handler_list, list) { + err = handler->profile_set(handler, i); + if (err) { + pr_err("Failed to set profile for handler %s\n", handler->name); + break; + } + } + if (err) { + list_for_each_entry_continue_reverse(handler, &platform_profile_handler_list, list) { + if (handler->profile_set(handler, PLATFORM_PROFILE_BALANCED)) + pr_err("Failed to revert profile for handler %s\n", handler->name); + } + return err; + } + } - mutex_unlock(&profile_lock); - if (err) - return err; + sysfs_notify(acpi_kobj, NULL, "platform_profile"); return count; }