From nobody Mon Feb 9 20:59:27 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BDB133BBC4; Tue, 11 Nov 2025 01:06:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.18 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762823169; cv=fail; b=kTgbZ4KoDrR+gBp+RCcAicLuB+s7YPPX6YsZ5e1+1X5Vo7HHqRRk3CVG+tOKadD69LqZelaWcDH3YXRh7r/GtJmHHXuGBKXXfSpMeAzEJixu+M/zpTfDQb1n5mj50ftKGVXS4zgS2Zaf9fCwdemAe5yOymdfqhuD4HXBiFnN6EM= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762823169; c=relaxed/simple; bh=f1DZErlhti0VsaHIsP1YTp6m6db7A1oLttqgvH6reGw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=Big5QFEi1OsNgOt4poAVshWdvXsXFCuhszRH5Gux/GEhZCPNzfIRm8M2A4Eh5OZQsu0p4THvY8MdTkoPP/x7CMu73uf3LYLh3Lt0HOyJCeDcv6nsu2OyeKFEpvxWcSxn/WQWTvxy/d+GnP9g/soVbrkEgkO91vWMurTVCmzk/xg= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=lqTpPVaD; arc=fail smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="lqTpPVaD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762823168; x=1794359168; h=from:to:cc:subject:date:message-id:in-reply-to: references:content-transfer-encoding:mime-version; bh=f1DZErlhti0VsaHIsP1YTp6m6db7A1oLttqgvH6reGw=; b=lqTpPVaDyCXnEVja1wzrscbeDFt5mL91Iqf4RTumVNNDsW/lrFfcNwXY MmWuGau9Ka1YmyCGXjsXiC/dq68OeN/PB3WapugDVoMYyZu7fH7gRMbFf ZLo2x/3z2Id6WTVdEot94dzIRuxZoB5oZzoTJW5OrhBnRq4+vlQQakZXd c7iQ7Cn3JV2qiDD84eZis8hzO8OfqamSpMNINghENoCW5pcQbP3iSwIzQ 7qxOUe/z/yW/O8LpgPmwoGBj7lYCk9EGq/fQskJClBEZvXn/sf3CcJNfx +6JtAS01GAMBEsn3UOSZdISeRohHXNH1bsXy+mI28Kyvz+RIy3E9e2Gid A==; X-CSE-ConnectionGUID: qy8JxaCLQBORewLSk6KgHQ== X-CSE-MsgGUID: w6fdVo94Q4Czzp6wJN6xOQ== X-IronPort-AV: E=McAfee;i="6800,10657,11609"; a="64922539" X-IronPort-AV: E=Sophos;i="6.19,295,1754982000"; d="scan'208";a="64922539" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 17:06:05 -0800 X-CSE-ConnectionGUID: lMr2y+WwSd+sa65cNJyA2g== X-CSE-MsgGUID: 8rW+RkRNT1yD1E1ZMhg44w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,295,1754982000"; d="scan'208";a="188460325" Received: from orsmsx901.amr.corp.intel.com ([10.22.229.23]) by fmviesa007.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 17:06:04 -0800 Received: from ORSMSX902.amr.corp.intel.com (10.22.229.24) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27; Mon, 10 Nov 2025 17:06:03 -0800 Received: from ORSEDG901.ED.cps.intel.com (10.7.248.11) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27 via Frontend Transport; Mon, 10 Nov 2025 17:06:03 -0800 Received: from SN4PR2101CU001.outbound.protection.outlook.com (40.93.195.37) by edgegateway.intel.com (134.134.137.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.27; Mon, 10 Nov 2025 17:06:03 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=XXudgib5ZsbqJxtN+hgAMP0vWNUOCtLlXZ2wMXjOknpm84ufKsQD3LyjQiNFOe7ZKnPFkobAzMqWR6gLkK0BU96RTHnQomPAcOEBXOPhJcnVC/dR2fjQDsFUXNhJMvkLW8iHXrIKvEbCO4Umao0zbUZ4H/U8GEzN3eb16Fh3BsTK1LZMJGABmCSd3Pu8jaU78ftrH+8ThClCLPLdubc8WANnYNIvShxejrhOCznc2I/azvAdLLdvnE/jEIaIROWJjzmMVkiFpcWD1DTbqvC8S39LkBmCV9lWkAhEB5esaVuKcD7UBAMwx/YRgrLYx/qWwUys7B+vccLMy2nP9BDeBQ== 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=5smbwVEVcZ5Z1I2eLFWpN0NfAqPp6Yorxt7TQ9FpIcM=; b=I+YYM7Bw7ERptpl/w47XF333ij9zPN72PWbr8CN6tUap+0POJ3ZasXxQ12O91p3BGMhFqT3utvTcA6EFVVfkiTK/LuQ5Yb2qN3v0U3egBnGMiQvlKBurANAbp00Im/zW43yn6gi/vKQq3/X83NRlYCSwbnS4tGh+HhBF/MPH1nr8pTMlXQt7FPDi1RlP/qx1RY1w36CjIQREKBWlnydxCIOaHzZVLKE/JvJOMP8g92RvmD/TjpW891iva0dWdcPVU7KV/b8loV9WJM1OHCWMQDFNkQLOa5jxL/uFxbj3hN7oj9tzT6AirI8vFfjLZkeNexZH7jXviDil6IrtSRj16w== 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 DM4PR11MB5373.namprd11.prod.outlook.com (2603:10b6:5:394::7) by MN0PR11MB6279.namprd11.prod.outlook.com (2603:10b6:208:3c1::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9298.16; Tue, 11 Nov 2025 01:05:58 +0000 Received: from DM4PR11MB5373.namprd11.prod.outlook.com ([fe80::927a:9c08:26f7:5b39]) by DM4PR11MB5373.namprd11.prod.outlook.com ([fe80::927a:9c08:26f7:5b39%5]) with mapi id 15.20.9298.015; Tue, 11 Nov 2025 01:05:58 +0000 From: =?UTF-8?q?Micha=C5=82=20Winiarski?= To: Alex Williamson , Lucas De Marchi , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Rodrigo Vivi , Jason Gunthorpe , Yishai Hadas , Kevin Tian , Shameer Kolothum , , , , Matthew Brost , "Michal Wajdeczko" CC: , Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Simona Vetter , "Lukasz Laguna" , Christoph Hellwig , =?UTF-8?q?Micha=C5=82=20Winiarski?= Subject: [PATCH v5 12/28] drm/xe/pf: Increase PF GuC Buffer Cache size and use it for VF migration Date: Tue, 11 Nov 2025 02:04:23 +0100 Message-ID: <20251111010439.347045-13-michal.winiarski@intel.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111010439.347045-1-michal.winiarski@intel.com> References: <20251111010439.347045-1-michal.winiarski@intel.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: WA2P291CA0019.POLP291.PROD.OUTLOOK.COM (2603:10a6:1d0:1e::26) To DM4PR11MB5373.namprd11.prod.outlook.com (2603:10b6:5:394::7) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB5373:EE_|MN0PR11MB6279:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c8fea2c-888b-4154-50d2-08de20be7923 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|366016|1800799024|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?B?eUxZeGszZ0dOeW0xczZPam5EYnE3ZlJGU1hCOHFrNDh3dnVUZFBRQlg3a0ov?= =?utf-8?B?SjVmRE51VC9NUFY4V2dFankxbWhLa1Q4OXFUTUo5VUttRnF5NFc0VXExZTl2?= =?utf-8?B?a0tsSjlxMmR5dFhNNEloWEtxN3UwZUNsRmJocmdtZEUyUWhpUjlFSk1kbk9L?= =?utf-8?B?cXFoS3hCTlJoK3gveFN0UEI0NmU0OGo3ejl5QVNRek5GOFJyL0ZlV2V3WjNR?= =?utf-8?B?TGlWbHRQckpxcm1henJsY3NER3ZKSmo3dHZab2FZM3N5aU11OU9WNDB4dmVx?= =?utf-8?B?MTB1Z2ZqM3hCd3BQa2ZLaGVGNUFrS3V5WGphMFZvOWFsQlRqcWZscTZtTHlP?= =?utf-8?B?aEZ0YVZWQVF2ZklWcXphUVlpSFhuajhGSjZwSHJVYldkbm1pb1dUUDRQRkVp?= =?utf-8?B?UkJ2UnAyYzdmV3U2eGpGSk0yRFcrOUdYbHpDbFoyMWZSRytUak1jZHYrcjNM?= =?utf-8?B?NXUzZTQvMko5YXBteFBLSlJPZU15NTFKbHUzRUUxTmJWRnNtTjZVVnVpU3NL?= =?utf-8?B?WEJYZTJyTGdaVnZuVldueXFSbXV4T0UrdnBhM2pvcjlXTkd3VGlnR0lzUWFU?= =?utf-8?B?VURPNzRjeW1wUFJuVlVIK2JXblp0OFpSWUpJS0Y1QjZzdWxYL21kcU5hSXY5?= =?utf-8?B?cWJwVGpaZTdEZUhJcHRQZnFuTXh6K1FDb1cvT2pWTWZoWkRrb3kvL1luMFVL?= =?utf-8?B?THRZc1RlUFRuL0RCaUdFUG1DL0tieUwyV3BGeWEzTjNBb2JRUGJ1L1pGTGJH?= =?utf-8?B?YzNzOEhZYkk3c3RkeEZHODljQTUrWG84QjlNOFRjR1Y2cFVYWEhrNWg2VVpC?= =?utf-8?B?RXJyWXBPTXVvL29Kd2dHZFpXaWYwVlk3bUJ0UzZXRzJHWnBRSldBbFIwWUMr?= =?utf-8?B?ZEFpTWhzcnZYejVOeUUxeURyVUZBbnY1WmNKbjJRbWkxMjIxUjZhcHVkVjRq?= =?utf-8?B?NHFHRW1aMFViWmhTb2JDbkJiNDR6NkJQdGFWWXc1VjhVY2dBQVRMa2JoWlRy?= =?utf-8?B?RVZZVTRBb1VmUzgrZ0lmcW1KNUdsbEt2TjZMeFVZR2F1a1RESlFuN3FvSmFH?= =?utf-8?B?UG9neXNhMU1XZndJTEdlTnFpNHdvZEx4ei9LS0doV05BNnZYc2NvUkpBSVJi?= =?utf-8?B?WkJDQXNKdzJHWmN5NXkwT0l2bXZOcWYxM21JLzJtNU0xTW01S0lmZHFFOEZn?= =?utf-8?B?dkZWTnhXaFlwYTBHTkx2OGkybWh2b1ROUjZ1emd1ODVaa0JUTGltSkdzS1ps?= =?utf-8?B?QkV3NzFnSU9NNVRMb0RKdXJVcG9SeGpSaXdzRFEvdDNJUjQxc0NTTUk0RXRn?= =?utf-8?B?Vy9hMU9PRVZqU3JzKy9POTJkdDdlbncxNDY0bXUyRkZpamFOSGIybHFYNWN6?= =?utf-8?B?Y1VpT2tOR2xHMEo1a0VMMTVWNkFoQmZzK2lsWm5BRCtUcjZqQkZWRU9NM0ly?= =?utf-8?B?TzZES2xPTVRHbzZUVS9QSHpPbDZUV1NJNm9pYVJFaFhORkYzaC9taXZXUUJN?= =?utf-8?B?cHNHOUw5UHUwK2JyQ1pISjhsSndScDQvWEVHTm1xZ2FCSlVQb3A2YzlrYjRw?= =?utf-8?B?YzNKVnIwZ3MzN2ttcUlpamNxbHUxTzBmSGhuL3Y2N0pDd29IV2tmenp1T05Z?= =?utf-8?B?NHJGeUovcXB1UVN4MExZTG4rbTdMLzFyaExHNzg1UVVvYXhTRWdmTXM4YXgr?= =?utf-8?B?Wk5HRUl1NkkzT0lNdVlZRUx5U0tMME1lam1ITHRNS1h0OXBrdTNoNmlZM0lN?= =?utf-8?B?YTVwaTBweUxOUHpPTGtaU1lSYnI3Vy9pcGVTdVdxMXlUVm93SWVjWnczdkVt?= =?utf-8?B?d0FRRXMzVVF5blFaUzlKcGdocUJtOVpqTkVjSFd5b0E0bitRemhkbWREL0Fm?= =?utf-8?B?SkUzeHhXZnh0dVpkNk9jQ1oyN1E1RUIxd0QydE5tU1JySHJtbExiV0I5aEtj?= =?utf-8?B?c2pxOXR0UkxhK3FudU1MaUEyWUFpb2dOQmNER0NsSUxvb1poYmc3eVRpY1JB?= =?utf-8?Q?tIy0DPWudeprm5rxUE6F+yveBCUCms=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR11MB5373.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(366016)(1800799024)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?dTRUSU9IWVl0M1VOakVtdW53UGZ3TGJkWHIzdnkvc2JibDBZQ3FGOTUxTjVV?= =?utf-8?B?Z0VtQjcxYWpVVlY1eXU0VEFOSDI4RHFRSUJJS3ltVUtNUTZmeE5VcnBmaWZs?= =?utf-8?B?WUo1eW40anR6dUE0cmVPdTUzaDZFNGJLSm9uZUFxaGZlZURZeVNsdzJYMGlH?= =?utf-8?B?dXdSVkhIc0toK0YwWUU4T3JwdkZxM3dUV3lIT1pTZXhGTSsxbjJpRis2U3lG?= =?utf-8?B?U09ZclFGR1phc3EvcEtTV0VSaktQWk9NM3AvVVNKa3Rjem5OdHhhbWJTY1Vk?= =?utf-8?B?T1ZqTWoxNC9FYnZOZi9GQzRVSDdMZW0rUkVyaXlOZ2hqNEJNd2NRQnZhTzNU?= =?utf-8?B?SEFieWVra1B1aXQrcWI5bm05U0NpaDB5M252bnN3NW9Sa21RMFRSR2NLOENK?= =?utf-8?B?UnZTSTE5T1pzeHBTMlRhbzVuRC9xMHdUbkF3dHNBWmVaZVp6OGNScGJ1Z3VL?= =?utf-8?B?NjQrTWxITU1HQjBrU3VlNkh6OE12ZGc2VitxNm1OdGNWV0c5YmYvUFY0TEFZ?= =?utf-8?B?dUhKTmJlMlphT3VpVVVvckQzdGZZNDZNUllxVUVGNWFCaWdUejNuSUQyaktG?= =?utf-8?B?THlmKzA5RG9ldS8xUGJGUmdhbU8xaUxJYUNxcHlCbklsTmRQNDBobkt4a3pk?= =?utf-8?B?MTI5TnpwZVkwaVBJL2c1dmNucVJKZ2tEaGh5NW1nWU5DTEdnU1A3Nkc3MTVD?= =?utf-8?B?L21hSjNac1R6YTVrSEFxZzNOd0drSDZLOFRMTWZVVlhPM014OWJyYlhGOHdV?= =?utf-8?B?Uk84VjZWVnZRSWhxQmgreDF1dnczL25TVnpqVU80bWpxQ3VkNjA3M3A2Q1dt?= =?utf-8?B?Q3N3K1V5YVJFYkZMcTJmTlFIWDA2dlpmaHBadkZyVTRMbENpamFXeEJKeHVl?= =?utf-8?B?R1d6YTFrcU1TY0dsOGY4eXNTZ2sweDNCOUdTK0RRT3NNeEIxUmxqa1F4SGtV?= =?utf-8?B?MWQ5Nk5hYjM5bTZBV0xsQ2pIVExBSm4vSkVWVDJYck1MZ2pGRDdTRkxJS3lz?= =?utf-8?B?bElCZlR0YU5ZUXN2LzVRZkJwN1hhTGdHbm1QTi9obWV3b1BlTG9Gc0FDNjYw?= =?utf-8?B?RVhYSkozZ3Vhem4zWFFBL09ITkFXMFlDNDhhbXg1TS93VnlUZmtNdkMzZTVq?= =?utf-8?B?cENSUGF5MmJsNUZNbU11d3BYTTVNZGpwMUt5bU5DYVVtZHRlSjBYdkFMd1lq?= =?utf-8?B?dHdGdFZ5bWxJRVNzeXdNa1RtWjlvMHZsQ1U3N3dXRitXWXNSWnZPQTNVbDBL?= =?utf-8?B?cUhINmZwa2dRZ01haHduWERXQ2MxWVIybkhRdGliK0tkeEFxRnJDcW53SHVt?= =?utf-8?B?ZzB3QkwwTHh1RXluYWk4aXM0YS95ekQvRXFvNjF4Q1IybmtEcHpVc1N2RnRy?= =?utf-8?B?VjFwNklvc3pTbUlpWXpPWUZta2I4cmZPNEZDZUQxTnRiRXVrcHY4a3BsYnVV?= =?utf-8?B?d2F0SWZqTytrR0lsSjZtSjA0amY3a0F0SVZsY2dydzkzdldBdGF6aHBOUTdC?= =?utf-8?B?ZENhV2x1bWR0ZGs3WDlEWU1PZlFFTG9hNENIWGY3RS84WjNRVzBKdXQrcFhF?= =?utf-8?B?SGp6SWFVUm9XU3dySk5TbS9wZ1FENlp5b21KOGl1QkxmaEN0VVNzN21XMEtz?= =?utf-8?B?R2lUMVMyaFg3Tmp6R1Jpb0FtYnNpa0U0ak1uUWNMSkNtZGtENlM4OEpFaVE3?= =?utf-8?B?L2VJb3QrQlYwRWZxMDJEZHNoNkEyc2dpWTljL2VEVVZvRTBMeXpRbWNibDlx?= =?utf-8?B?SHpYWXg1TU5Fc3Bvck1SYzI4TllsSTBTbGkrVnpzQm1TeW56ZUpZM0FObmJG?= =?utf-8?B?SHozUW5xYXdrSDB2R0FVT0pjNFpHOFgyUUFRTGdzSmJ5MEI0bUNwTm9CbTVE?= =?utf-8?B?dXhLL0RsVlFnck1aWHc0K3ZkdHBQbGpKbmlSNk9sazVYdUkyc1lLMzJCSk9y?= =?utf-8?B?OUVpeGtRaVRDa3JURFNMcUluRjBOOERTNC9pVWkzdWZlRExjWVpIOFluL1pj?= =?utf-8?B?MVdyUUZ3Smh2em5sTlV1V2ZmM0dvWU5oeEhMYmRBUDBFRXZVUnFwekhGNUZl?= =?utf-8?B?M3pJVm13Y2FWVTY2aGEyWUxiV3FTZktDLzdyM0NOOHQ4RWJOZU85SUZUVmEw?= =?utf-8?B?blpSY0gzeEVWMmxhY1VkRHY5bXU4YWYvRzcyS0htcG5sUVAwOWFyVE1BczRy?= =?utf-8?B?aWc9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 7c8fea2c-888b-4154-50d2-08de20be7923 X-MS-Exchange-CrossTenant-AuthSource: DM4PR11MB5373.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Nov 2025 01:05:58.2469 (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: Jp1RPjfO3ZhE3oRe6sM2IMRJOYDgVAAVSif5bqB+cFJlQpdJg5F3f00pk8BPPCc2tO6upsy85DsQ+Q8KqPGtEmo91ULvLBFjpmGaIFvn7LA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR11MB6279 X-OriginatorOrg: intel.com Contiguous PF GGTT VMAs can be scarce after creating VFs. Increase the GuC buffer cache size to 8M for PF so that we can fit GuC migration data (which currently maxes out at just over 4M) and use the cache instead of allocating fresh BOs. Signed-off-by: Micha=C5=82 Winiarski Reviewed-by: Michal Wajdeczko --- drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c | 47 ++++++------------- drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h | 3 ++ drivers/gpu/drm/xe/xe_guc.c | 13 ++++- 3 files changed, 30 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c b/drivers/gpu/dr= m/xe/xe_gt_sriov_pf_migration.c index 0ffe64ee469fe..7b5338be15065 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c @@ -11,7 +11,7 @@ #include "xe_gt_sriov_pf_helpers.h" #include "xe_gt_sriov_pf_migration.h" #include "xe_gt_sriov_printk.h" -#include "xe_guc.h" +#include "xe_guc_buf.h" #include "xe_guc_ct.h" #include "xe_sriov.h" #include "xe_sriov_packet.h" @@ -58,73 +58,56 @@ static int pf_send_guc_query_vf_state_size(struct xe_gt= *gt, unsigned int vfid) =20 /* Return: number of state dwords saved or a negative error code on failur= e */ static int pf_send_guc_save_vf_state(struct xe_gt *gt, unsigned int vfid, - void *buff, size_t size) + void *dst, size_t size) { const int ndwords =3D size / sizeof(u32); - struct xe_tile *tile =3D gt_to_tile(gt); - struct xe_device *xe =3D tile_to_xe(tile); struct xe_guc *guc =3D >->uc.guc; - struct xe_bo *bo; + CLASS(xe_guc_buf, buf)(&guc->buf, ndwords); int ret; =20 xe_gt_assert(gt, size % sizeof(u32) =3D=3D 0); xe_gt_assert(gt, size =3D=3D ndwords * sizeof(u32)); =20 - bo =3D xe_bo_create_pin_map_novm(xe, tile, - ALIGN(size, PAGE_SIZE), - ttm_bo_type_kernel, - XE_BO_FLAG_SYSTEM | - XE_BO_FLAG_GGTT | - XE_BO_FLAG_GGTT_INVALIDATE, false); - if (IS_ERR(bo)) - return PTR_ERR(bo); + if (!xe_guc_buf_is_valid(buf)) + return -ENOBUFS; + + /* FW expects this buffer to be zero-initialized */ + memset(xe_guc_buf_cpu_ptr(buf), 0, size); =20 ret =3D guc_action_vf_save_restore(guc, vfid, GUC_PF_OPCODE_VF_SAVE, - xe_bo_ggtt_addr(bo), ndwords); + xe_guc_buf_flush(buf), ndwords); if (!ret) ret =3D -ENODATA; else if (ret > ndwords) ret =3D -EPROTO; else if (ret > 0) - xe_map_memcpy_from(xe, buff, &bo->vmap, 0, ret * sizeof(u32)); + memcpy(dst, xe_guc_buf_sync_read(buf), ret * sizeof(u32)); =20 - xe_bo_unpin_map_no_vm(bo); return ret; } =20 /* Return: number of state dwords restored or a negative error code on fai= lure */ static int pf_send_guc_restore_vf_state(struct xe_gt *gt, unsigned int vfi= d, - const void *buff, size_t size) + const void *src, size_t size) { const int ndwords =3D size / sizeof(u32); - struct xe_tile *tile =3D gt_to_tile(gt); - struct xe_device *xe =3D tile_to_xe(tile); struct xe_guc *guc =3D >->uc.guc; - struct xe_bo *bo; + CLASS(xe_guc_buf_from_data, buf)(&guc->buf, src, size); int ret; =20 xe_gt_assert(gt, size % sizeof(u32) =3D=3D 0); xe_gt_assert(gt, size =3D=3D ndwords * sizeof(u32)); =20 - bo =3D xe_bo_create_pin_map_novm(xe, tile, - ALIGN(size, PAGE_SIZE), - ttm_bo_type_kernel, - XE_BO_FLAG_SYSTEM | - XE_BO_FLAG_GGTT | - XE_BO_FLAG_GGTT_INVALIDATE, false); - if (IS_ERR(bo)) - return PTR_ERR(bo); - - xe_map_memcpy_to(xe, &bo->vmap, 0, buff, size); + if (!xe_guc_buf_is_valid(buf)) + return -ENOBUFS; =20 ret =3D guc_action_vf_save_restore(guc, vfid, GUC_PF_OPCODE_VF_RESTORE, - xe_bo_ggtt_addr(bo), ndwords); + xe_guc_buf_flush(buf), ndwords); if (!ret) ret =3D -ENODATA; else if (ret > ndwords) ret =3D -EPROTO; =20 - xe_bo_unpin_map_no_vm(bo); return ret; } =20 diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h b/drivers/gpu/dr= m/xe/xe_gt_sriov_pf_migration.h index 3ad3c3609b415..148ee07dd23a9 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h @@ -11,6 +11,9 @@ struct xe_gt; struct xe_sriov_packet; =20 +/* TODO: get this information by querying GuC in the future */ +#define XE_GT_SRIOV_PF_MIGRATION_GUC_DATA_MAX_SIZE SZ_8M + int xe_gt_sriov_pf_migration_init(struct xe_gt *gt); int xe_gt_sriov_pf_migration_save_guc_state(struct xe_gt *gt, unsigned int= vfid); int xe_gt_sriov_pf_migration_restore_guc_state(struct xe_gt *gt, unsigned = int vfid); diff --git a/drivers/gpu/drm/xe/xe_guc.c b/drivers/gpu/drm/xe/xe_guc.c index ecc3e091b89e6..a686b04879d64 100644 --- a/drivers/gpu/drm/xe/xe_guc.c +++ b/drivers/gpu/drm/xe/xe_guc.c @@ -24,6 +24,7 @@ #include "xe_gt_printk.h" #include "xe_gt_sriov_vf.h" #include "xe_gt_throttle.h" +#include "xe_gt_sriov_pf_migration.h" #include "xe_guc_ads.h" #include "xe_guc_buf.h" #include "xe_guc_capture.h" @@ -40,6 +41,7 @@ #include "xe_mmio.h" #include "xe_platform_types.h" #include "xe_sriov.h" +#include "xe_sriov_pf_migration.h" #include "xe_uc.h" #include "xe_uc_fw.h" #include "xe_wa.h" @@ -821,6 +823,14 @@ static int vf_guc_init_post_hwconfig(struct xe_guc *gu= c) return 0; } =20 +static u32 guc_additional_cache_size(struct xe_device *xe) +{ + if (IS_SRIOV_PF(xe) && xe_sriov_pf_migration_supported(xe)) + return XE_GT_SRIOV_PF_MIGRATION_GUC_DATA_MAX_SIZE; + else + return 0; /* Fallback to default size */ +} + /** * xe_guc_init_post_hwconfig - initialize GuC post hwconfig load * @guc: The GuC object @@ -860,7 +870,8 @@ int xe_guc_init_post_hwconfig(struct xe_guc *guc) if (ret) return ret; =20 - ret =3D xe_guc_buf_cache_init(&guc->buf); + ret =3D xe_guc_buf_cache_init_with_size(&guc->buf, + guc_additional_cache_size(guc_to_xe(guc))); if (ret) return ret; =20 --=20 2.51.2