From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B673C282EC for ; Fri, 14 Mar 2025 08:46:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E27BE10E378; Fri, 14 Mar 2025 08:46:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LPoRhchF"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id A633310E378 for ; Fri, 14 Mar 2025 08:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741941987; x=1773477987; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=T3RICwbJt1UZiHJ+naRSSMEjdAdpWIuqWPWiK/9e4vA=; b=LPoRhchFn+U6z3Njz6t0WfMwNyC1kFi9cX85HcCLCjV5niT8zMCSEfwF PNqB/e5yTliacEEux68X70bLuXVPCuTGJJiMRdTdt0pu9B5kfV+C22aPp WsRS3fK5rtvmesiyEam5/krHbpEpzv638Q85j3EP23Kd3sgZ8ZZ6DRWr2 Db+fTIyEIbOS+TLBG1uyE72lxHjyT2AtxP/MdjshcCz4sQno2lChxkdCA 0HhpT0fMYmm0rS6RG/4HtwW2YHUJYajBHhP/ePzSz2DLBI3bOeo+RHqBN e5nANCD2NM0DHzFKrSrYdVtq9evXK7L164fMQL/XFpRyUSh3tLpx8laDc A==; X-CSE-ConnectionGUID: TRTwCrAoSk6jegFQ1Uo8+A== X-CSE-MsgGUID: lRnmFbcoQNeAhTJUdpK/mA== X-IronPort-AV: E=McAfee;i="6700,10204,11372"; a="60625802" X-IronPort-AV: E=Sophos;i="6.14,246,1736841600"; d="scan'208";a="60625802" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Mar 2025 01:46:27 -0700 X-CSE-ConnectionGUID: xMRBw4AgSey+ff/kGGihHA== X-CSE-MsgGUID: Jue0sF8mSnCdq0waEdm53g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,246,1736841600"; d="scan'208";a="152144661" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by fmviesa001.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Mar 2025 01:46:27 -0700 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Fri, 14 Mar 2025 01:46:26 -0700 Received: from ORSEDG602.ED.cps.intel.com (10.7.248.7) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14 via Frontend Transport; Fri, 14 Mar 2025 01:46:26 -0700 Received: from NAM04-BN8-obe.outbound.protection.outlook.com (104.47.74.48) by edgegateway.intel.com (134.134.137.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Fri, 14 Mar 2025 01:46:25 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Th/5uq945cBLxhJ+34pBJ4pMbCXkIvKGpnumwT6rbTHRqGydsyIer29LZTGaqe5C5B8G/GaQMfMBNSxpD8SGorJywxkh/ZST0mAp2zTAdVdLgjTqR+gKGFUI43imBaw9Dsxf5zlgtbVUzzQ89qsAWzA6vT1ylF2y2u9V8GI1enpuAQonaN0DxmLDMs19fbQ01E9Vky4Uh2pwy4KaDQFPo3RYNWxIU6O/bN+ehAaFDgVcWaH3GKkqOqabxruBhwlUAY7dp+UePd3BIQQ8jmGZb+/t4DWCxhiwb4Qud+Em8gIGa8RbubD1wBg7+cgBu+dCFh9Vg6kc4B0vMIkWA9r5Gw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ThmUqi5lLtrWT6N8uX7uoV7ox26a8/CCrOyKwcfxVTc=; b=kntyv0MiigOziXaAPmdv8zBpn8lSe5V4SB9jembZ7s8w8PeKGu730vZKl9/733XqPtSmXmF0U9A6g7Z+ie+ALZcEOGetBLoUGr3MacCPgRCGv2Y5T1uNmc/LYzPo2mCpIEajyT4+wm3zToO3eky3MEXhdnSyIvOTvkcFGi/xB09dzl5g4ka1E4mUrtQlgjW12vPPFvm5/dQLkc6ZE/TEtmVsgqfrOTgEl8nV85eaja65lsvYPnG36VdEAAddtuQIKJHkYY8ZJUh0sJol0TqtbfvXY+grFjW/iuYs4e8suID+RTVYdzmG5PxkVBZUSRDG01W5RfmaC0niyvDdjJPYeQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from MW4PR11MB7056.namprd11.prod.outlook.com (2603:10b6:303:21a::12) by DS0PR11MB6422.namprd11.prod.outlook.com (2603:10b6:8:c6::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8511.28; Fri, 14 Mar 2025 08:46:18 +0000 Received: from MW4PR11MB7056.namprd11.prod.outlook.com ([fe80::c4d8:5a0b:cf67:99c5]) by MW4PR11MB7056.namprd11.prod.outlook.com ([fe80::c4d8:5a0b:cf67:99c5%4]) with mapi id 15.20.8511.026; Fri, 14 Mar 2025 08:46:18 +0000 Message-ID: <97665538-698d-497b-9f34-248a3656af3c@intel.com> Date: Fri, 14 Mar 2025 14:16:12 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [RFC 13/29] drm/gpuvm: Introduce MADVISE Operations To: CC: , , , Danilo Krummrich References: <20250314080226.2059819-1-himal.prasad.ghimiray@intel.com> <20250314080226.2059819-14-himal.prasad.ghimiray@intel.com> Content-Language: en-US From: "Ghimiray, Himal Prasad" In-Reply-To: <20250314080226.2059819-14-himal.prasad.ghimiray@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MA1P287CA0011.INDP287.PROD.OUTLOOK.COM (2603:1096:a00:35::15) To MW4PR11MB7056.namprd11.prod.outlook.com (2603:10b6:303:21a::12) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MW4PR11MB7056:EE_|DS0PR11MB6422:EE_ X-MS-Office365-Filtering-Correlation-Id: 439804be-eec8-4681-b39b-08dd62d4aff5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?cCtNd2EwUTdJanRZa0puZUxRMmlkVDMzNEU2R2YwNDdzRmptdXlwL1czSkZj?= =?utf-8?B?bFhnZUFlMnp3SHdaOGVKbkhXd1l0WmZSV1RGdUdFaXZxK0VvM0h1a29LUGZT?= =?utf-8?B?QVlhT0tNQkhIT1dyYUFjUnZJTlpHVkdrdFBjaWp4aFRqS1ZjSFppcE8wWFI4?= =?utf-8?B?V2JkbHFabkdyQy9WMVZzWUpxZ05XTjZ0Qkl3OHRFckR2ajd4VWhUeTQ1d0JH?= =?utf-8?B?ODdReUlQN3E4T0Z2OHQwQStSanAySU1uVEhIZlpXT2IxakdCRWFKaGNMdlhE?= =?utf-8?B?VnpjZDJhVDdCS1NjY0gvV0xPQUpwZEE3emVPLzJuRjl3OUk0L1RtenFiL0hX?= =?utf-8?B?T2YzRlFCZnlRZ3pDVkY5RUtGZUVSNFZOV2ZtN3MvVlMxUnFxQUtNRnoxU1Fp?= =?utf-8?B?TkRibWoyNzg3Uk9Vai9QK2h1OEtxTEFLd0RudkhIYVpCUVNkQ3JQYXMzWE9H?= =?utf-8?B?VjczWllDelF1YzIzNGhsTG1VTkwzcXcrY0ZkU0RBZTJ0MlZPRGFobGZ2WmNt?= =?utf-8?B?NUIvZTJSdzEvWkFQci9GNkZ3T29WYXpOekM0cDF5cXY4Nm50V2FtR280bGtl?= =?utf-8?B?R0tHaFhobklUemRvdGRrNDVTa0FwUS9WRTlPRkg3T1N4bkJZd0dFdTNUSFlG?= =?utf-8?B?RTVCS2ZMMGhkYjR6Y3MwYytocHkvSDRtUUhHUHk2N3FGSFBzVTliVnBsQ0Vp?= =?utf-8?B?MmVlQWM5TWcxd0xlUmlVTVJEaG5heHhEcFlORHpjTWRWbnN1Z1ZFckRlVmk4?= =?utf-8?B?YVJGTnh2SlVqQzMzQ3krS3hla3h0RHppdnovb2dKN3JOS2pkY21lT1VkODB4?= =?utf-8?B?YVdPaFRVZCtlT2gzdW1sb3NGakMzcW92TzRNZjJJMURUeldzQTFkV0lHdUgw?= =?utf-8?B?QjVrTENZU25Uc0FhWDlNN2loQjF3eFVtb0xrMlRtVGxMOW1pQUxBNlRTdjdt?= =?utf-8?B?QjZlOXcvZlhGRksyNno4akVmem1ISys5QW1rL3VHWGFYcVg5L3l2SVNTKzFl?= =?utf-8?B?bHphNno3NGtzWGkvdzZTWWx5alZHN01neFZoUk5vRGdoSmxqUW85T2h6ckVR?= =?utf-8?B?aGErYW5RQjlPMDFXeFpXWEwweW9ZYTNZL08rTHJYeDJuNVBHOFlpeUlmWmNq?= =?utf-8?B?TnhtRjl3RFhiMDdCeVZUcVBmM2x2eVorYTRsZ2Z2aHFmSDBmcUhYZFA1Q0FU?= =?utf-8?B?WVZrazh6N3MvZEtTMy9jdVhRYi9pU0xoL1RFZ1lRcEgwVExnT1E4QTdJT2ta?= =?utf-8?B?TG9sak5zQmtjZVFxTDRVc1pnUnZOZ2hNY2dNVjhBbjVDVDN5aWlYOEIyNnhB?= =?utf-8?B?VmRzNitmbHMvT1Q5Vm04U1oyQTVtbG4yYksra1QzTXYwZmIyNk5LMC96dGNB?= =?utf-8?B?a0w0dXZWcjY1SFhxQXN6T0FkV3RzZVovWS9vbSs5Wk5WK1NwMjdaUlByaGlV?= =?utf-8?B?QzBJa0pNOG5xRVoxc2lndVkxTkE5YW1CaUFGbzUwWkxDSnNrSjlqWVUvMkZ6?= =?utf-8?B?K1Y5RDdjaWhEWG1oNXR5RTl6T01oWCtTSVBrY0szOW93WThyUGdDMkpuZHlD?= =?utf-8?B?U0hhd0Y5MTNyVVZPMjNnOU1aVlFUWG9PN2ZEbGtSR3BUU3BHbSs1QmNjTTR5?= =?utf-8?B?ZlZMb3B4QUhyaG5pTWorOXFzTTROVGVZZUFmK0ZLWlJBUDlXOGgyWitvTU5r?= =?utf-8?B?eWZSa2pzRy9mTSthd2VYVkdPWGZFK2Z0eHRZcGY3WVdTc2dlN0pZampNNVA4?= =?utf-8?B?OWUxVkt0cmF0ZkFUZUJJRUhoTWVzUEg0alF2UTNNV3FqUXlhcnFlTjVOb0xy?= =?utf-8?B?dmNDd2JGMEhJQ0swcFN5VkdqRlR1YWtlYjRuVTNSRW1CYjZhazhnT3FzS1p6?= =?utf-8?Q?ZRhKUSc3IEyd+?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:MW4PR11MB7056.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(366016)(376014); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZDNKME00YXhBcHp4ME1iUjdMWUFWWmRHbDhXR09QZnFMN0RPMDl1TTEwckFX?= =?utf-8?B?WVZ4Z0VnMm9vQ2U0RmRqR3hBU2VQRytSUTA4Q3pJOHIzZUZLZnpQRDBiNXVp?= =?utf-8?B?VDdIVnVzL3dFOG1QY3U2d3I1UWxtYWcrU0NJT09aTk1iU3puYTJGbmNOOEVE?= =?utf-8?B?SmdiUitjRUtYNHllczRMbFUzQysyVHJHWVQ1dmU3ajUyMXc0R282azVXWG5R?= =?utf-8?B?R0dPN3pYYm1zd2wwc05vbkZQQVBZRVZwNnBjcU1NTm9oODFwcXNBQXRNRFdU?= =?utf-8?B?Rmx6eGthUHlPVkhFT2JuL0tKejY0c05aTnczYUhmR0lpbXRrUFA5Y1lxcVdj?= =?utf-8?B?QkhkZDhadWxvRktiU3NJMkhnUHY5cC9rbElmRkhscU0rWGtSZU5UR3lrS3ZD?= =?utf-8?B?S21wZytVRFVRQ0RPYmJJTys4b0Eyc1BUNW51RWRyK1MwNURDOFFaTkR3M3pV?= =?utf-8?B?TG9ndVFIZnF6QlROd0x0azBUZ1lIOHFwRE9nbHR4UmJNUHgxM0pVaWVucEg5?= =?utf-8?B?WVo0YUpGb3NtckVQSU4zSEYvekF5akdjeGxZL3Y1SHY5dEtGL3NNOTU3TWkv?= =?utf-8?B?ZkM2YmE2WThkbzRYTyt5SDlaM0pyVCtab2tEZVowSWJaeEdTWjFmRmR3VnhJ?= =?utf-8?B?YWNWSzhkaDBqRzNldU12SDJYQkZLWFlPb1N3aU82bkdLR2JuUW1NZ2xiVkMv?= =?utf-8?B?Yi8wdUx4REVLb0s0R2gycEZtYnp5ZFhmSjU5a0VDelRrY3FzZ204NEJSTVVH?= =?utf-8?B?YjRabk84eUUwSTJjZUE2eXBJeStjUGtOZUlwdnlaVlJNZVNIMERaSU5nRnl3?= =?utf-8?B?SDB4K202aFl2YmVBZ0NwQWZKbmRtYi9XcjRmbmNaVVpkamUxSk1UdFBxQWRy?= =?utf-8?B?YmFoUG9BNVE3ZlM0WGZFaEFQS3dubEIyQkJSSGJvckR4cWYzQ0hFcDhZenhR?= =?utf-8?B?aTBwYmhJeS92OFhtMFRRTnJzREx2RnEvR3BqTFN0TThvU0t6MDJXbXVIZEw5?= =?utf-8?B?TE92L0k0YWZ3d0Y0ZCtCTTVwUDIyeWUvdkxqZ1dwdzltcUlIak5OYzB0cEJx?= =?utf-8?B?U0lmTlJyemowWDZLM0M5c09IUzRYcjJ5SUd0WURiZEx0RSsxNTFZZk9YQ1ly?= =?utf-8?B?ZFowNlRQS2JkNjdmQ3hLcXpMOTZtSkRHVFJPYm8vZWdUZnJsUzhMaWlBbitV?= =?utf-8?B?cGJPWEtacjhzZ2FOOWs0RDhIcFdYd2FqOHNOT1NNcU8vcS9mc1VmenVBWTJJ?= =?utf-8?B?c01LYWhhQzZNMHUzVGxoalIrTlc3anlxbHMxNTMvczZla2xyN2NzTURkbld4?= =?utf-8?B?NXZ6M2dPa21Db3NzMGVJQlNHQUlmdjJ1dE9pT1FaMmFMRG9ab0dFeGRhb3c4?= =?utf-8?B?WmorUzJpdWIxcnJmVVhUK1BaRkhqZ1hQN2ZEdEdmRU90dDR2RUFjUm5OeGVQ?= =?utf-8?B?OFo3bmhpNjQ2WDVHd1BaVy9nZkphaTFITGhJK1daQndZTXMzWm5qeVkwSlhT?= =?utf-8?B?aDhhR0s1cCt1ZTM4RzRPNU8zZEZ0TThnWGZOSUdBU0tNZ2pkOWdmYTBFWVFn?= =?utf-8?B?YlhFYzllOXNKcHhGQ3V1MnB3alhiWVNaY2dkYWNPU3lyRmtXOTdqVVRiRzdT?= =?utf-8?B?Z1ZJRWx3bEpqVlV5ZUl6K25GbXJuS3NTODBYUzY0YklHUng5TlZkQWdXV2F5?= =?utf-8?B?VDVWdGh3MGk5VmlrYkVsdzNJZDN0Q0krU05WYUprbG1INmZZOWRieDF6MUZl?= =?utf-8?B?MVJVb2hTZGlKTm1QTlhqZWxoMUl0cE9BSXlOY1JMMjJnZ0p0MGJYRi9sMHor?= =?utf-8?B?c29pT2lWRm5HRVloNDBIN1VsVFNFK1ZTUHd3YkFjZDNQWXVDMzhUZkdrb3NP?= =?utf-8?B?YjBLcGpUZU9HSWhsK0lZMFovMDN3VVJYWGVKYXlHV0tRTktySVlvQy9OMThR?= =?utf-8?B?VGRudm85cDlOeUZ5em5rT2hwVlNUWDdTY2YwSysvQkVMN2pXMndFa0hUbzF1?= =?utf-8?B?NVViY2FiSGNVZzlNZXVGWUh3Z0J0cGhkWTcvRk1WS2gvUjAzSzJTRlptY1F0?= =?utf-8?B?eGVybzNiY1lOc3JLN25vZG5zdDRZc0ZkRzFPbXQ5eG5XTkluYmVsZlUza2t4?= =?utf-8?B?V0t2dmRVTmF0cXhHUlJQZElXdHZVc2FmdDRJR0dGeU5yVnZDYnc4VWNTdjF4?= =?utf-8?B?Rnc9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 439804be-eec8-4681-b39b-08dd62d4aff5 X-MS-Exchange-CrossTenant-AuthSource: MW4PR11MB7056.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Mar 2025 08:46:18.4409 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: zP67f7I38cgLYcSO7QtG9V0RNchdd1PGitH6UGAa0Nc4O9+gcldX4DYw3m7eDN4QMDrhiE0WJfs5KwPRvVEy2vqWPyydIhEefDH5CwUbjhY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR11MB6422 X-OriginatorOrg: intel.com X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On 14-03-2025 13:32, Himal Prasad Ghimiray wrote: > Introduce MADVISE operations that do not unmap the GPU VMA. These > operations split VMAs if the start or end addresses fall within existing > VMAs. The operations can create up to 2 REMAPS and 2 MAPs. > > If the input range is within the existing range, it creates REMAP:UNMAP, > REMAP:PREV, REMAP:NEXT, and MAP operations for the input range. > Example: > Input Range: 0x00007f0a54000000 to 0x00007f0a54400000 > GPU VMA: 0x0000000000000000 to 0x0000800000000000 > Operations Result: > - REMAP:UNMAP: addr=0x0000000000000000, range=0x0000800000000000 > - REMAP:PREV: addr=0x0000000000000000, range=0x00007f0a54000000 > - REMAP:NEXT: addr=0x00007f0a54400000, range=0x000000f5abc00000 > - MAP: addr=0x00007f0a54000000, range=0x0000000000400000 > > If the input range starts at the beginning of one GPU VMA and ends at > the end of another VMA, covering multiple VMAs, the operations do nothing. > Example: > Input Range: 0x00007fc898800000 to 0x00007fc899000000 > GPU VMAs: > - 0x0000000000000000 to 0x00007fc898800000 > - 0x00007fc898800000 to 0x00007fc898a00000 > - 0x00007fc898a00000 to 0x00007fc898c00000 > - 0x00007fc898c00000 to 0x00007fc899000000 > - 0x00007fc899000000 to 0x00007fc899200000 > Operations Result: None > > Cc: Danilo Krummrich > Cc: Matthew Brost > Signed-off-by: Himal Prasad Ghimiray > --- > drivers/gpu/drm/drm_gpuvm.c | 175 +++++++++++++++++++++++++++++++++++- > include/drm/drm_gpuvm.h | 6 ++ > 2 files changed, 180 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c > index f9eb56f24bef..904a26641b21 100644 > --- a/drivers/gpu/drm/drm_gpuvm.c > +++ b/drivers/gpu/drm/drm_gpuvm.c > @@ -2230,7 +2230,7 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, > ret = op_remap_cb(ops, priv, NULL, &n, &u); > if (ret) > return ret; > - break; > + return 0; > - break; > + return 0; Incorrectly left in patch, ignore this part. > } > } > } > @@ -2240,6 +2240,143 @@ __drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, > req_obj, req_offset); > } > > +static int > +__drm_gpuvm_skip_split_map(struct drm_gpuvm *gpuvm, > + const struct drm_gpuvm_ops *ops, void *priv, > + u64 req_addr, u64 req_range, > + bool skip_gem_obj_va, u64 req_offset) > +{ > + struct drm_gpuva *va, *next; > + u64 req_end = req_addr + req_range; > + int ret; > + > + if (unlikely(!drm_gpuvm_range_valid(gpuvm, req_addr, req_range))) > + return -EINVAL; > + > + drm_gpuvm_for_each_va_range_safe(va, next, gpuvm, req_addr, req_end) { > + struct drm_gem_object *obj = va->gem.obj; > + u64 offset = va->gem.offset; > + u64 addr = va->va.addr; > + u64 range = va->va.range; > + u64 end = addr + range; > + > + if (addr == req_addr) { > + if (end == req_end) > + return 0; > + > + if (end < req_end) > + continue; > + > + if (end > req_end) { > + if (skip_gem_obj_va && !!obj) > + return 0; > + > + struct drm_gpuva_op_map n = { > + .va.addr = req_end, > + .va.range = range - req_range, > + .gem.obj = obj, > + .gem.offset = offset + req_range, > + }; > + struct drm_gpuva_op_unmap u = { > + .va = va, > + .keep = false, > + }; > + > + ret = op_remap_cb(ops, priv, NULL, &n, &u); > + if (ret) > + return ret; > + > + break; > + } > + } else if (addr < req_addr) { > + u64 ls_range = req_addr - addr; > + struct drm_gpuva_op_map p = { > + .va.addr = addr, > + .va.range = ls_range, > + .gem.obj = obj, > + .gem.offset = offset, > + }; > + struct drm_gpuva_op_unmap u = { .va = va, .keep = false, }; > + > + if (end == req_end) { > + if (skip_gem_obj_va && !!obj) > + return 0; > + > + ret = op_remap_cb(ops, priv, &p, NULL, &u); > + if (ret) > + return ret; > + break; > + } > + > + if (end < req_end) { > + if (skip_gem_obj_va && !!obj) > + continue; > + > + ret = op_remap_cb(ops, priv, &p, NULL, &u); > + if (ret) > + return ret; > + > + ret = op_map_cb(ops, priv, req_addr, > + min(end - req_addr, req_end - end), > + NULL, req_offset); > + if (ret) > + return ret; > + continue; > + } > + > + if (end > req_end) { > + if (skip_gem_obj_va && !!obj) > + return 0; > + > + struct drm_gpuva_op_map n = { > + .va.addr = req_end, > + .va.range = end - req_end, > + .gem.obj = obj, > + .gem.offset = offset + ls_range + > + req_range, > + }; > + > + ret = op_remap_cb(ops, priv, &p, &n, &u); > + if (ret) > + return ret; > + break; > + } > + } else if (addr > req_addr) { > + if (end == req_end) > + return 0; > + > + if (end < req_end) > + continue; > + > + if (end > req_end) { > + if (skip_gem_obj_va && !!obj) > + return 0; > + > + struct drm_gpuva_op_map n = { > + .va.addr = req_end, > + .va.range = end - req_end, > + .gem.obj = obj, > + .gem.offset = offset + req_end - addr, > + }; > + struct drm_gpuva_op_unmap u = { > + .va = va, > + .keep = false, > + }; > + > + ret = op_remap_cb(ops, priv, NULL, &n, &u); > + if (ret) > + return ret; > + return op_map_cb(ops, priv, addr, > + (req_end - addr), NULL, req_offset); > + } > + } > + } > + > + return op_map_cb(ops, priv, > + req_addr, req_range, > + NULL, req_offset); > +} > + > static int > __drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm, > const struct drm_gpuvm_ops *ops, void *priv, > @@ -2548,6 +2685,42 @@ drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm, > } > EXPORT_SYMBOL_GPL(drm_gpuvm_sm_map_ops_create); > > +struct drm_gpuva_ops * > +drm_gpuvm_madvise_ops_create(struct drm_gpuvm *gpuvm, > + u64 req_addr, u64 req_range, > + bool skip_gem_obj_va, u64 req_offset) > +{ > + struct drm_gpuva_ops *ops; > + struct { > + struct drm_gpuvm *vm; > + struct drm_gpuva_ops *ops; > + } args; > + int ret; > + > + ops = kzalloc(sizeof(*ops), GFP_KERNEL); > + if (unlikely(!ops)) > + return ERR_PTR(-ENOMEM); > + > + INIT_LIST_HEAD(&ops->list); > + > + args.vm = gpuvm; > + args.ops = ops; > + > + ret = __drm_gpuvm_skip_split_map(gpuvm, &gpuvm_list_ops, &args, > + req_addr, req_range, > + skip_gem_obj_va, req_offset); > + > + if (ret || list_empty(&ops->list)) > + goto err_free_ops; > + > + return ops; > + > +err_free_ops: > + drm_gpuva_ops_free(gpuvm, ops); > + return ERR_PTR(ret); > +} > +EXPORT_SYMBOL_GPL(drm_gpuvm_madvise_ops_create); > + > /** > * drm_gpuvm_sm_unmap_ops_create() - creates the &drm_gpuva_ops to split on > * unmap > diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h > index 2a9629377633..e521ebabab9e 100644 > --- a/include/drm/drm_gpuvm.h > +++ b/include/drm/drm_gpuvm.h > @@ -1062,6 +1062,12 @@ struct drm_gpuva_ops * > drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm, > u64 addr, u64 range, > struct drm_gem_object *obj, u64 offset); > + > +struct drm_gpuva_ops * > +drm_gpuvm_madvise_ops_create(struct drm_gpuvm *gpuvm, > + u64 addr, u64 range, > + bool skip_gem_obj_va, u64 offset); > + > struct drm_gpuva_ops * > drm_gpuvm_sm_unmap_ops_create(struct drm_gpuvm *gpuvm, > u64 addr, u64 range);