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Wed, 27 Aug 2025 08:20:29 +0000 Received: from IA1PR12MB7709.namprd12.prod.outlook.com ([fe80::5312:ce8b:bdf5:aa31]) by IA1PR12MB7709.namprd12.prod.outlook.com ([fe80::5312:ce8b:bdf5:aa31%5]) with mapi id 15.20.8989.018; Wed, 27 Aug 2025 08:20:29 +0000 From: Alistair Popple To: dri-devel@lists.freedesktop.org, dakr@kernel.org, acourbot@nvidia.com Cc: Alistair Popple , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , John Hubbard , Joel Fernandes , Timur Tabi , linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org Subject: [PATCH 01/10] gpu: nova-core: Set correct DMA mask Date: Wed, 27 Aug 2025 18:19:58 +1000 Message-ID: <20250827082015.959430-2-apopple@nvidia.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250827082015.959430-1-apopple@nvidia.com> References: <20250827082015.959430-1-apopple@nvidia.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MEVPR01CA0036.ausprd01.prod.outlook.com (2603:10c6:220:1ff::19) To IA1PR12MB7709.namprd12.prod.outlook.com (2603:10b6:208:423::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA1PR12MB7709:EE_|SA3PR12MB9157:EE_ X-MS-Office365-Filtering-Correlation-Id: 19cbe1fb-1efd-4ca8-c07b-08dde542956d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|7416014|376014|1800799024; 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Without this DMA will fail on some setups. Signed-off-by: Alistair Popple --- drivers/gpu/nova-core/driver.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs index 274989ea1fb4a..3e154ffb6be4b 100644 --- a/drivers/gpu/nova-core/driver.rs +++ b/drivers/gpu/nova-core/driver.rs @@ -1,6 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 -use kernel::{auxiliary, bindings, c_str, device::Core, pci, prelude::*, sizes::SZ_16M, sync::Arc}; +use kernel::{ + auxiliary, bindings, c_str, device::Core, dma::Device, dma::DmaMask, pci, prelude::*, + sizes::SZ_16M, sync::Arc, +}; use crate::gpu::Gpu; @@ -34,6 +37,9 @@ fn probe(pdev: &pci::Device, _info: &Self::IdInfo) -> Result())? }; + let bar = Arc::pin_init( pdev.iomap_region_sized::(0, c_str!("nova-core/bar0")), GFP_KERNEL, -- 2.47.2