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Tue, 8 Oct 2024 00:32:13 -0700 From: Yonatan Maman To: , , , , , , , , CC: Yonatan Maman , , , Gal Shalom Subject: [PATCH v3 1/2] nouveau/dmem: Fix privileged error in copy engine channel Date: Tue, 8 Oct 2024 10:31:02 +0300 Message-ID: <20241008073103.987926-2-ymaman@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241008073103.987926-1-ymaman@nvidia.com> References: <20241008073103.987926-1-ymaman@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709B:EE_|CH3PR12MB8404:EE_ X-MS-Office365-Filtering-Correlation-Id: 6ceb2b4c-db22-45f6-7f90-08dce76b5bdb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700013|376014|7416014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?9zGXX0Zp7kglVZWMH6Bc/I+ja1KHhYAzOnAEpTgG3KXNqLLNe7YQmp/l7KbK?= =?us-ascii?Q?sgenGTHZXrDVPIdANBC/QbrYvtAPx5BIw0ns9d86uYqwsL3Fy3oAZjio0hsx?= =?us-ascii?Q?RjXMaPCAvYsM0EON90Rqv5LfeSpMStOnFgXQH3+4PggaDhj6v1PvZThbTsNK?= =?us-ascii?Q?kPIXVCKXFAGSrOG9eJqUYqCy4EUQzpJMkM/QjaCQXUKFqy6n2J7ro6eAu5K4?= =?us-ascii?Q?/ed8/q1MhaPm4cAcA/GN2lGTo+AuFatlgSeBl4sLIn7RPfPidOdc/i1+f5AS?= =?us-ascii?Q?Zc1m5GixWDSXl8SObMHY3QGFKxh8ZRlwiDxmrM5ftIdqVpSsk2cH3sEbMF+y?= =?us-ascii?Q?m1fcSj/NnfvbHp6cBuyIb1YsSy0p393zUB4B+UkRSzZnVg1ITE9qCSsAn/+o?= =?us-ascii?Q?YkC2DMgkgol/f+EMn3lnx8jkfUvcYBiALTkOGqgm8BPE2ZH7y3iu8WjmC5I7?= =?us-ascii?Q?wHwKUZPQEtpfMzT+AKDzDYDPmzabsc7gpuNRjjnTOYqqGHvl0Y8uSy0xU5K6?= =?us-ascii?Q?VyeQ5FEiCyIWcwyM27BNVBulI1FBLCfClhoANqyi7EdlOM1IWWbXQz64MDg3?= =?us-ascii?Q?BlH238Nsp8eFtJ8FrHaq+hosjKCtY+tlmFrJILCbjtniuCzqZ4m7q1UTOCtV?= =?us-ascii?Q?sJUH/GU1MiiYZR03eP1mQlTbc58EU8xKq4uY+bx+5hv61solTzC0gzyrjaZa?= =?us-ascii?Q?jMN8HADXxJ3Xx5AGyLHm9H5PWec67EFkAae7SxUGbtvtwhD153B09tCnyzt+?= =?us-ascii?Q?p0JlCGgAgTxFDhcJb7OSMJ9JWZUplnM8oHSUzh6d6X6FsozCYm3YwUrS+OE2?= =?us-ascii?Q?b+GrVnFtJqNzyRr8SqwtD7iZRK/pj7cVexyHzbb0zSLvD86K6uvwyuOuGe2x?= =?us-ascii?Q?g+JbQEFQvBJeEEhUUZURhfZbH3Ay1aJV0N4Vkzd28LJ1EbSXefz9njqi3ut+?= =?us-ascii?Q?dNB0W20xTugtqf51J+yQARqMl+jMnpv6rctgYuYFescPk+Vea9ruG+n7/AaM?= =?us-ascii?Q?ZwwK6USfvgZoFU3VFkj7mCnRqxti2bZBeyIOD8vRBj4gShZxcb43J6dIRHp5?= =?us-ascii?Q?OMvKsK2btFJThrXqXJgfsrjsulllWzIEK/nPuFLxaAftiiR6bVpbY6lXS53J?= =?us-ascii?Q?pm5392FQsoH9/nA6KmhejPPQb/H7NwRUiu5jjfSTvC40nr+RdFa2e4cbmAvo?= =?us-ascii?Q?ESm3g/kXKIGRd5ZKMtalyEaD8nMZ/3Zrr9kiWB9BfNFtMcSPpHafoSOJvfXa?= =?us-ascii?Q?1fgp0TDu+QYjB5Gc7oQwuBOeTZcL4rMdQHScVdPpe6T7hm8H8LMFQk5ROr4U?= =?us-ascii?Q?WK3n8mudxFRw1X+CroVQSyE/PfQ4YWXwMmS+2qI5yTxDivvonjMuTrtFSXzu?= =?us-ascii?Q?HhvmpmJPGzJpuQow60U9KSroqr9V?= X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(36860700013)(376014)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2024 07:32:26.6521 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6ceb2b4c-db22-45f6-7f90-08dce76b5bdb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709B.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8404 Content-Type: text/plain; charset="utf-8" From: Yonatan Maman When `nouveau_dmem_copy_one` is called, the following error occurs: [272146.675156] nouveau 0000:06:00.0: fifo: PBDMA9: 00000004 [HCE_PRIV] ch 1 00000300 00003386 This indicates that a copy push command triggered a Host Copy Engine Privileged error on channel 1 (Copy Engine channel). To address this issue, modify the Copy Engine channel to allow privileged push commands Fixes: 6de125383a5c ("drm/nouveau/fifo: expose runlist topology info on all= chipsets") Signed-off-by: Yonatan Maman Signed-off-by: Gal Shalom Co-developed-by: Gal Shalom Reviewed-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouvea= u/nouveau_drm.c index a58c31089613..0a75ce4c5021 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -356,7 +356,7 @@ nouveau_accel_ce_init(struct nouveau_drm *drm) return; } =20 - ret =3D nouveau_channel_new(drm, device, false, runm, NvDmaFB, NvDmaTT, &= drm->cechan); + ret =3D nouveau_channel_new(drm, device, true, runm, NvDmaFB, NvDmaTT, &d= rm->cechan); if (ret) NV_ERROR(drm, "failed to create ce channel, %d\n", ret); } --=20 2.34.1