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Wysocki" , Mika Westerberg CC: Hans de Goede , Shyam Sundar S K , "open list:X86 PLATFORM DRIVERS" , "open list:PCI SUBSYSTEM" , , "open list:USB XHCI DRIVER" , , "Mario Limonciello" Subject: [PATCH v18 0/2] Add quirk for PCIe root port on AMD systems Date: Tue, 12 Sep 2023 23:08:30 -0500 Message-ID: <20230913040832.114610-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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: BL02EPF0001A107:EE_|BY5PR12MB5016:EE_ X-MS-Office365-Filtering-Correlation-Id: 7a4b815d-b4e1-462a-8508-08dbb40f26e1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:(13230031)(4636009)(396003)(136003)(376002)(39860400002)(346002)(82310400011)(186009)(451199024)(1800799009)(40470700004)(36840700001)(46966006)(40460700003)(2906002)(63370400001)(63350400001)(316002)(54906003)(36756003)(4326008)(41300700001)(8676002)(8936002)(40480700001)(44832011)(5660300002)(110136005)(70206006)(70586007)(6666004)(7696005)(2616005)(1076003)(426003)(336012)(36860700001)(82740400003)(356005)(16526019)(26005)(81166007)(478600001)(966005)(86362001)(47076005)(83380400001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2023 04:08:57.2567 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7a4b815d-b4e1-462a-8508-08dbb40f26e1 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: BL02EPF0001A107.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB5016 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Iain reports that USB devices can't be used to wake a Lenovo Z13 from suspend. This is because the PCIe root port has been put into D3hot and AMD's platform can't handle USB devices waking the platform from a hardware sleep state in this case. The firmware doesn't express this limitation in a way that Linux recognizes so this series introduces a quirk for this problem. Previous submissions: * v17 https://lore.kernel.org/platform-driver-x86/20230906184354.45846-1-mario.limonciello@amd.com/ This version implemented constraints for the amd-pmc driver and introduced a veto/optin system for the PCI core as suggested by Hans. Rafael suggested not to use the veto/optin system and instead use a quirk. * v16 https://lore.kernel.org/platform-driver-x86/20230829171212.156688-1-mario.limonciello@amd.com/ This version implemented constraints for the amd-pmc driver. * v15 https://lore.kernel.org/platform-driver-x86/20230828042819.47013-1-mario.limonciello@amd.com/#t This version hardcoded the quirk into amd-pmc driver as part of suspend callback. * v14 https://lore.kernel.org/linux-pci/20230818193932.27187-1-mario.limonciello@amd.com/ https://lore.kernel.org/linux-pci/20230818194007.27410-1-mario.limonciello@amd.com/ https://lore.kernel.org/linux-pci/20230818194027.27559-1-mario.limonciello@amd.com/ This version implemented constraints exporting and limited the policy for >= 2015 to Intel only. It also added support for constraints optin. V13 was split into multiple parts to make it easier to land. 14.b was merged. * v13 https://lore.kernel.org/linux-pci/20230818051319.551-1-mario.limonciello@amd.com/ * v12 https://lore.kernel.org/linux-pci/20230816204143.66281-1-mario.limonciello@amd.com/ * v11 https://lore.kernel.org/linux-pci/20230809185453.40916-1-mario.limonciello@amd.com/ * v10 https://lore.kernel.org/linux-pci/20230804210129.5356-1-mario.limonciello@amd.com/ * v9 https://lore.kernel.org/linux-pci/20230804010229.3664-1-mario.limonciello@amd.com/ * v8 https://lore.kernel.org/linux-pci/20230802201013.910-1-mario.limonciello@amd.com/ * v7 https://lore.kernel.org/linux-pci/20230711005325.1499-1-mario.limonciello@amd.com/ * v6 https://lore.kernel.org/linux-pci/20230708214457.1229-1-mario.limonciello@amd.com/ * v5 https://lore.kernel.org/linux-pci/20230530163947.230418-1-mario.limonciello@amd.com/ * v4 https://lore.kernel.org/linux-pci/20230524190726.17012-1-mario.limonciello@amd.com/ * v3 https://lore.kernel.org/linux-pci/20230524152136.1033-1-mario.limonciello@amd.com/ * v2 https://lore.kernel.org/linux-pci/20230517150827.89819-1-mario.limonciello@amd.com/ * v1 https://lore.kernel.org/linux-pci/20230515231515.1440-1-mario.limonciello@amd.com/ Mario Limonciello (2): PCI: Move the `PCI_CLASS_SERIAL_USB_USB4` definition to common header PCI: Add a quirk for AMD PCIe root ports w/ USB4 controllers drivers/pci/pci.c | 5 +++++ drivers/pci/quirks.c | 28 ++++++++++++++++++++++++++++ drivers/thunderbolt/nhi.h | 2 -- include/linux/pci.h | 2 ++ include/linux/pci_ids.h | 1 + 5 files changed, 36 insertions(+), 2 deletions(-) base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d Acked-by: Mika Westerberberg