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Wed, 17 Dec 2025 02:47:47 -0800 From: Jon Hunter To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Aaron Kling CC: , , Jon Hunter Subject: [PATCH] Revert "arm64: tegra: Add interconnect properties for Tegra210" Date: Wed, 17 Dec 2025 10:47:44 +0000 Message-ID: <20251217104744.184153-1-jonathanh@nvidia.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9DA:EE_|DS4PR12MB9612:EE_ X-MS-Office365-Filtering-Correlation-Id: 238a7b46-173d-4504-526e-08de3d59bf5f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?EdxZqRNprXkt98M3vKDE3Yu0/vTuHfMALITh0ZyKa45OeOAbTtzsMsG56II/?= =?us-ascii?Q?O8z9xppnLY33dhply4zgND0Mae9V0XvzUILvQQpyyJS8pO94ZIYfXFeSJhdd?= =?us-ascii?Q?uNg9JVT7wCJ+TdXAYDSmvWhz5gC3BV7WIPAYYMWW5Ael2e94ACAL6ekfG7b2?= =?us-ascii?Q?J+cV1DV1MgZvYKURt1iFZF8YpTzVHFtapAeVYKQmgBJDQHVBjkxRhfhdSlu2?= =?us-ascii?Q?o2Jkg44rov/mfKPuHnsf+8U8e2wBlrRlRQ/68lLspJYcr58WEIbnHOlUnXfl?= =?us-ascii?Q?iRNwGRlSzRxgZIbqsHBAuL4WI7zmNSshAJ7AZ7NNH6dpK5KBVnOJm4iH3JKj?= =?us-ascii?Q?GQRWo7VxEG8GlSRtnSYAbVsoNaknlUvn8BISVyXIVHFO3BTWLOsSZS15Q02v?= =?us-ascii?Q?WTJv6y1/A0hr/gUNcOUytfgMISUgMvZ2CFFhpU4FJOa6RtQKlFGnfhnk6ONZ?= =?us-ascii?Q?E8FvWh77Wi12V3XioMEaBRYD9L2veHF159t/u9SU+0aWSTnqfMpT7lk5y/jc?= =?us-ascii?Q?CUL74q9wTxrA5kaQEsMEizj0yiRqfyqtEGiatDprcRzhDLH47Yl34Fdpwd1i?= =?us-ascii?Q?hNUU5arMeO1x4EaL9UgI1uxdVJvGTAlChEGO3EKqVb4lFL0n0874gbZgCT2l?= =?us-ascii?Q?/yfgXrsBeT/I+Q66DE5zhCLTFCWE+vcgMnlktgrX0RipTCp3GCUvXLTY79IW?= =?us-ascii?Q?5ndH3hCp0sGboDS4fW+6jKzvz4EvrlXuE2pTDelZXOHepXey2gGvL9Ai2oLD?= =?us-ascii?Q?RB0JENmlYDkpOFBacRNUDUQfvDn8rewbvrUU+C6++2+p4061I8PRExiamkUV?= =?us-ascii?Q?jdH4ZCfdRGfxnJ3oKL/j3DIjJcuTBgM5r/oR9cYS7vDrjgmnMRAxO97rliQF?= =?us-ascii?Q?asHwQ+iLv8frreBnykZGt7rL2gmoQohJfnJlizES6PojRz18cclI8nhm6512?= =?us-ascii?Q?fbbC48hJz1s/7mwdHXiRfpCzvSoS8a7wwb32IIBRcDQepEivS75VfNrUKHnk?= =?us-ascii?Q?KYhBnbwfbZD7TEwxqN2oFLsmhtyE/3QuHyj7KItMxc0WnhF9vN9MFxy0HaPI?= =?us-ascii?Q?sXIj7Q3T1SXVhvibs4TFQFNj6NuA5OY0UzxGhmuIH/P4OfllRMIThpE0obmD?= =?us-ascii?Q?AwKQCIauGEs4u2pOzj2akEAt3VJdI3KqhSbobpJ3Y+nnEWw88oI1iwMhfk9C?= =?us-ascii?Q?pqOPjcrlTnol3J3znxCtBMC9BXFiv7oTqOV8H6cX3roNHenS298nn38OFJi1?= =?us-ascii?Q?bx5eLfU4Be5nH3Rb0UU2bW+iMuNZ6AiJ2ObEm8zqxul25tgWriWUSVRe/qmy?= =?us-ascii?Q?Gt+noTO69ysDl5FqzRJ8P1lLYfquozoEs9zvVx/2RFmFN1DBmsKe6DX7xsFW?= =?us-ascii?Q?14Sy4kI4m1eGKYkPUkf5N5S7Dr6LBLxA2fF0qavgA+9Z7muqEB204eYHs0YT?= =?us-ascii?Q?3VaFy/Fu76F871fgbcv+gtscPL7YTEU9wGG0WFcMPT17ngoxc/ZsjW6RerFq?= =?us-ascii?Q?55aCgL9z/lzABRPHBVfFnKzypU2zGR9NYNeVokEO+gLB6Vpx4zZJjI9A3DoF?= =?us-ascii?Q?bpjUdvl7s2LjMTJEXS4=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(1800799024)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Dec 2025 10:48:00.3918 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 238a7b46-173d-4504-526e-08de3d59bf5f X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000E9DA.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9612 Commit 59a42707a094 ("arm64: tegra: Add interconnect properties for Tegra210") populated interconnect properties for Tegra210 and this is preventing the Tegra DRM driver from probing successfully. The following error is observed on boot ... drm drm: failed to initialize 54240000.dc: -517 For now revert this change, until a fix is available. Fixes: 59a42707a094 ("arm64: tegra: Add interconnect properties for Tegra210") Signed-off-by: Jon Hunter --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 24 ------------------------ 1 file changed, 24 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 709da31d5785..137aa8375257 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -202,19 +202,6 @@ dc@54200000 { nvidia,outputs = <&dsia &dsib &sor0 &sor1>; nvidia,head = <0>; - - interconnects = <&mc TEGRA210_MC_DISPLAY0A &emc>, - <&mc TEGRA210_MC_DISPLAY0B &emc>, - <&mc TEGRA210_MC_DISPLAY0C &emc>, - <&mc TEGRA210_MC_DISPLAYHC &emc>, - <&mc TEGRA210_MC_DISPLAYD &emc>, - <&mc TEGRA210_MC_DISPLAYT &emc>; - interconnect-names = "wina", - "winb", - "winc", - "cursor", - "wind", - "wint"; }; dc@54240000 { @@ -230,15 +217,6 @@ dc@54240000 { nvidia,outputs = <&dsia &dsib &sor0 &sor1>; nvidia,head = <1>; - - interconnects = <&mc TEGRA210_MC_DISPLAY0AB &emc>, - <&mc TEGRA210_MC_DISPLAY0BB &emc>, - <&mc TEGRA210_MC_DISPLAY0CB &emc>, - <&mc TEGRA210_MC_DISPLAYHCB &emc>; - interconnect-names = "wina", - "winb", - "winc", - "cursor"; }; dsia: dsi@54300000 { @@ -1052,7 +1030,6 @@ mc: memory-controller@70019000 { #iommu-cells = <1>; #reset-cells = <1>; - #interconnect-cells = <1>; }; emc: external-memory-controller@7001b000 { @@ -1066,7 +1043,6 @@ emc: external-memory-controller@7001b000 { nvidia,memory-controller = <&mc>; operating-points-v2 = <&emc_icc_dvfs_opp_table>; - #interconnect-cells = <0>; #cooling-cells = <2>; }; -- 2.43.0