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Mon, 29 Jan 2024 10:14:44 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN1PEPF00004682.mail.protection.outlook.com (10.167.243.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7249.19 via Frontend Transport; Mon, 29 Jan 2024 10:14:44 +0000 Received: from jenkins-julia.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Mon, 29 Jan 2024 04:14:39 -0600 From: Julia Zhang To: Gurchetan Singh , Chia-I Wu , David Airlie , Gerd Hoffmann , , , , Subject: [PATCH v2 0/1] Implement device_attach for virtio gpu Date: Mon, 29 Jan 2024 18:12:50 +0800 Message-ID: <20240129101250.3258049-1-julia.zhang@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: BN1PEPF00004682:EE_|SJ2PR12MB9239:EE_ X-MS-Office365-Filtering-Correlation-Id: 99948683-2562-4498-ad97-08dc20b31d48 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jan 2024 10:14:44.1367 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 99948683-2562-4498-ad97-08dc20b31d48 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: BN1PEPF00004682.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB9239 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pierre-Eric Pelloux-Prayer , Erik Faye-Lund , =?utf-8?b?TWFyZWsgT2zFocOhaw==?= , Chen Jiqian , Huang Rui , Honglei Huang , Daniel Vetter , Alex Deucher , Julia Zhang , David Airlie , =?utf-8?q?Christian_K=C3=B6nig?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To realize dGPU prime feature for virtio gpu, we are trying to let dGPU import vram object of virtio gpu. As vram objects don't have backing pages and thus can't implement the drm_gem_object_funcs.get_sg_table callback, this removes calling drm_gem_map_dma_buf in virtgpu_gem_map_dma_buf and implement virtgpu specific map/unmap/attach callbacks to support both of shmem objects and vram objects. Changes from v1 to v2: -Reimplement virtgpu_gem_device_attach() -Remove calling drm dma-buf funcs in virtgpu callbacks and reimplement virtgpu specific dma-buf callbacks. Julia Zhang (1): drm/virtio: Implement device_attach drivers/gpu/drm/virtio/virtgpu_prime.c | 40 +++++++++++++++++++++++--- 1 file changed, 36 insertions(+), 4 deletions(-)