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Tue, 14 Nov 2023 14:08:28 -0600 From: Mario Limonciello To: Karol Herbst , Lyude Paul , "Alex Deucher" , =?utf-8?q?Christian_K=C3=B6nig?= , Bjorn Helgaas , "Mika Westerberg" , Lukas Wunner CC: Danilo Krummrich , David Airlie , Daniel Vetter , Xinhui Pan , "Rafael J . Wysocki" , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , =?utf-8?q?P?= =?utf-8?q?ali_Roh=C3=A1r?= , =?utf-8?q?Marek_Beh=C3=BAn?= , "Maciej W . Rozycki" , Manivannan Sadhasivam , Mario Limonciello , "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" , "open list:DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS" , "open list" , "open list:RADEON and AMDGPU DRM DRIVERS" , "open list:PCI SUBSYSTEM" , "open list:ACPI" Subject: [PATCH v3 1/7] drm/nouveau: Switch from pci_is_thunderbolt_attached() to dev_is_removable() Date: Tue, 14 Nov 2023 14:07:49 -0600 Message-ID: <20231114200755.14911-2-mario.limonciello@amd.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231114200755.14911-1-mario.limonciello@amd.com> References: <20231114200755.14911-1-mario.limonciello@amd.com> 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_|PH7PR12MB6934:EE_ X-MS-Office365-Filtering-Correlation-Id: 0b3aa84e-79a9-4eea-56d2-08dbe54d78ac 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)(376002)(39860400002)(346002)(136003)(230273577357003)(230922051799003)(230173577357003)(1800799009)(451199024)(186009)(82310400011)(64100799003)(36840700001)(40470700004)(46966006)(40480700001)(26005)(16526019)(40460700003)(7696005)(70586007)(70206006)(356005)(81166007)(54906003)(82740400003)(86362001)(36756003)(8676002)(83380400001)(426003)(47076005)(44832011)(36860700001)(336012)(6666004)(66574015)(2906002)(110136005)(478600001)(316002)(7416002)(5660300002)(4326008)(8936002)(2616005)(41300700001)(1076003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2023 20:08:30.1453 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0b3aa84e-79a9-4eea-56d2-08dbe54d78ac 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: PH7PR12MB6934 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 14 Nov 2023 12:09:03 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782571399061230319 X-GMAIL-MSGID: 1782571399061230319 pci_is_thunderbolt_attached() looks at the hierarchy of the PCIe device to determine if any bridge along the way has the is_thunderbolt bit set. This bit will only be set when one of the devices in the hierarchy is an Intel Thunderbolt device. However PCIe devices can be connected to USB4 hubs and routers which won't necessarily set the is_thunderbolt bit. These devices will however be marked as externally facing which means they are marked removable by pci_set_removable(). Look whether the device is marked removable to determine it's connected to a Thunderbolt controller or USB4 router. Signed-off-by: Mario Limonciello --- v2->v3: * Update commit message --- drivers/gpu/drm/nouveau/nouveau_vga.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index f8bf0ec26844..14215b7ca187 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -94,8 +94,8 @@ nouveau_vga_init(struct nouveau_drm *drm) vga_client_register(pdev, nouveau_vga_set_decode); - /* don't register Thunderbolt eGPU with vga_switcheroo */ - if (pci_is_thunderbolt_attached(pdev)) + /* don't register USB4/Thunderbolt eGPU with vga_switcheroo */ + if (dev_is_removable(&pdev->dev)) return; vga_switcheroo_register_client(pdev, &nouveau_switcheroo_ops, runtime); @@ -118,7 +118,7 @@ nouveau_vga_fini(struct nouveau_drm *drm) vga_client_unregister(pdev); - if (pci_is_thunderbolt_attached(pdev)) + if (dev_is_removable(&pdev->dev)) return; vga_switcheroo_unregister_client(pdev);