From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from EUR02-DB5-obe.outbound.protection.outlook.com (mail-db5eur02on2067.outbound.protection.outlook.com [40.107.249.67]) (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 BFFB02594A8 for ; Fri, 20 Dec 2024 11:14:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.249.67 ARC-Seal:i=3; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734693288; cv=fail; b=uW/ArSJHUjSTI7Ha/rRge2CcWloAjCiRo18RakeR/pEOXTLfoGDYyIK1njwB3i4W2vB7UVHOa2SvtZQAGmy9J3MYkjsYMcUnjRv7i0vHYLrPoYPesFvIS90NBiUViHXcW33yb5KBp5MMKUscXCOq8qVF8oPjpBns5uQ7PvfbX98= ARC-Message-Signature:i=3; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734693288; c=relaxed/simple; bh=jECjsMtPhJZhtRTwWoLyntTY7xEHUUJ4nEYMo+tYkkk=; h=Message-ID:Date:Cc:Subject:To:References:From:In-Reply-To: Content-Type:MIME-Version; b=GqheErIrOkkFuqWFy7qVQVqC+VBp+KBOHcXwVBKxA/3kCSdq4cXFHQtb0T5FBakmxUhTJRcSPwY1QSzV87kRlNG5pcmkjrdynPyz/R9oANNbAQknIoEBugz5qUi+UlfZnuSQi/R3uI3zwVVY12ezsl2JrM5HWkeVA93nJqqEPy0= ARC-Authentication-Results:i=3; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=mn8mEngE; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=mn8mEngE; arc=fail smtp.client-ip=40.107.249.67 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="mn8mEngE"; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="mn8mEngE" ARC-Seal: i=2; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=pass; b=VY3NcKQ4/xY2aeKJkNJeDv1LHjaD7I3mQAoG0Tx/vWJF27DJe/U8qd8sJT+Hwoa6agH2e8CXgxU0XAhY8zA5P1keFkohyo34W6spUQL+l8icsbBuNrL1ffk9dVSQh2lyI+f+jcZwbkLQSXA/sLniubauMc6r+HcYpKCceZP0O5Gpf91CrJfqh5kUitEfWZktEPcHjE04/qGbHdZavg/3lhsHWk5ArxcEyp+ode8u1LSU8DDgl2EFq9D4mNfcUYsUR5i7nCNtLQf/x3PxEgFIJ80WdRTCIKq+ZNqVVmXsrite2O+kfJYuKE9Gw+ZpjuKt9yRKQGXdbIStsD+tLQj6cQ== ARC-Message-Signature: i=2; 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=16GpLqxoKB3HTvYN+VW6H4IId8cruRg58lGjUMdNFE4=; b=WPFGNwojvBibGwDXPBi61jIfO/CmXpxDfpzpHy5qi3GmO4l/rS5nY4xjT7yzVlt1xs6KJjycY9y5P2MucodGRgzQn7JQtLlRayBS/9uEDZ677Fzz3J0VqQ45NPG2HgL6nMuZoKkqPyeiEO+2dinhE5XHitx4ZOc4Xm1s9hND6qDk/6Hs6ivXJGikCABj6OkHV2JTphuMRxzbYL3siIRYYVu3t6fw8AJDn6lwzdRfsSK2zbHZQNfV61QMw+S4j0FkyqDM52Yq1dcQjPfGN34CZxeTheCDaf/eaHGD6qQQ6dn7BRMxnqhqZgQzbhBcvMdrIFWekKjICtH9sPPEFJCDYw== ARC-Authentication-Results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 63.35.35.123) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=arm.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com]) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=16GpLqxoKB3HTvYN+VW6H4IId8cruRg58lGjUMdNFE4=; b=mn8mEngEW0DSFynPAgdjsO8a285jbSoo4eiLAsLmKWYzZXyC+uKjyA7J4PMyU2aFgi2f4xULyqCxSJTU7PCv5RHrO8DU4XL8wsphuHlytryPtP4iOK85tW79+9hD84RLX14uKNZzvGDh5rH8dHYqMLaShd9kO/Iqp1UU7XFvkqg= Received: from AS4P189CA0006.EURP189.PROD.OUTLOOK.COM (2603:10a6:20b:5d7::10) by DBBPR08MB10483.eurprd08.prod.outlook.com (2603:10a6:10:535::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8272.16; Fri, 20 Dec 2024 11:14:37 +0000 Received: from AMS1EPF00000048.eurprd04.prod.outlook.com (2603:10a6:20b:5d7:cafe::a6) by AS4P189CA0006.outlook.office365.com (2603:10a6:20b:5d7::10) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8251.25 via Frontend Transport; Fri, 20 Dec 2024 11:14:37 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 63.35.35.123) smtp.mailfrom=arm.com; dkim=pass (signature was verified) header.d=arm.com;dmarc=pass action=none header.from=arm.com; Received-SPF: Pass (protection.outlook.com: domain of arm.com designates 63.35.35.123 as permitted sender) receiver=protection.outlook.com; client-ip=63.35.35.123; helo=64aa7808-outbound-1.mta.getcheckrecipient.com; pr=C Received: from 64aa7808-outbound-1.mta.getcheckrecipient.com (63.35.35.123) by AMS1EPF00000048.mail.protection.outlook.com (10.167.16.132) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8251.15 via Frontend Transport; Fri, 20 Dec 2024 11:14:37 +0000 Received: ("Tessian outbound 050b604d5e06:v528"); Fri, 20 Dec 2024 11:14:36 +0000 X-CheckRecipientChecked: true X-CR-MTA-CID: 84ddaf0c22021e75 X-TessianGatewayMetadata: POLgSlmOuHa1KiIYEX3B9BHLAPp6z/I0+iMXCq0Wf97WGW+U5ORf/Jb0FlytZWk+PvyZj/Fdb+DBw8cCFsWy0y0SCu2viNxUEQ3KgHJWPhzzpnhkKSR1vH/Tes9+u8NeBtrKHzQ6gXEnzPvA9O7x0UjIoUgloips6CmVLGEAC3k= X-CR-MTA-TID: 64aa7808 Received: from L6e557e55313f.2 by 64aa7808-outbound-1.mta.getcheckrecipient.com id 7BCA50D2-579F-4830-ADD9-1AA2FA36C45B.1; Fri, 20 Dec 2024 11:14:25 +0000 Received: from EUR02-AM0-obe.outbound.protection.outlook.com by 64aa7808-outbound-1.mta.getcheckrecipient.com with ESMTPS id L6e557e55313f.2 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Fri, 20 Dec 2024 11:14:25 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NEngplCW6+BMJ0Et0Gxx8pF5Z69J9Tt5Yg7JLYNQ9irUsCj805DlQxPnQrXkO4msNyU+pAqfrGnPm0ciLVBluAr/Ao+yW8tCV8744DGT38Zqt+fJ737KTPTZ0GQUWlOvk+2Ntv6dGfLYrwhyXInZo34Kgo5B3mBFSfo6lIRPw9QZ9CWTJDjYdydXG4TYf6m6PF1iibyPpiz9GUaChGgKyBHH1cIk1Z/kTX22XYOx81EaJ9iFskXiARCIWG1RA/uDIPzR5AQVUMB+w7G7nNMA3eBUkjrtvWKejC6lrRGJPd0ONMkKPPjG/WHNWEIn4EwcoJ0V1VLYHWyheELvi3czSw== 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=16GpLqxoKB3HTvYN+VW6H4IId8cruRg58lGjUMdNFE4=; b=NsaDdt4R1DTxbYtPJfPTruV7iQ6373iZAgxGlgsc+iDxN+XDhpFsAr1zs7FqM8CMsalv8mdp8d/JX6K3LZSBhHNrQGvmCtWnk+8gLQUXIQDR5j21keqn0fc5QP0s7ssY5/Uaw7s4xcqLAzpNK7HFmkJkEjuwJ5mAWc3hwBhyhHYiaYoVfui5wmeCoUU+zNuUCoZoXcEwTiTAgPJ3iBql+1YOYcACXBZZsKtCzXDVUt+qbxK836edoGR0VYODE6Fxqae9PpmuZPFOSUw/2V4uq0+HCskzlz64Ct6eEnd7PWknf3otT+pEG4GUshm/8o0/isQJKjrTQknkiiHF6SJnwQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arm.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=16GpLqxoKB3HTvYN+VW6H4IId8cruRg58lGjUMdNFE4=; b=mn8mEngEW0DSFynPAgdjsO8a285jbSoo4eiLAsLmKWYzZXyC+uKjyA7J4PMyU2aFgi2f4xULyqCxSJTU7PCv5RHrO8DU4XL8wsphuHlytryPtP4iOK85tW79+9hD84RLX14uKNZzvGDh5rH8dHYqMLaShd9kO/Iqp1UU7XFvkqg= Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; Received: from AS8PR08MB6263.eurprd08.prod.outlook.com (2603:10a6:20b:290::9) by DU0PR08MB8138.eurprd08.prod.outlook.com (2603:10a6:10:3ed::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8272.14; Fri, 20 Dec 2024 11:14:22 +0000 Received: from AS8PR08MB6263.eurprd08.prod.outlook.com ([fe80::12b5:3f0a:2090:fa7c]) by AS8PR08MB6263.eurprd08.prod.outlook.com ([fe80::12b5:3f0a:2090:fa7c%4]) with mapi id 15.20.8272.013; Fri, 20 Dec 2024 11:14:22 +0000 Message-ID: <2881a000-b758-444d-a259-3fd909028739@arm.com> Date: Fri, 20 Dec 2024 11:14:21 +0000 User-Agent: Mozilla Thunderbird Cc: nd@arm.com, kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 1/2] drm/panthor: Expose size of driver internal BO's over fdinfo To: Steven Price , =?UTF-8?Q?Adri=C3=A1n_Mart=C3=ADnez_Larumbe?= , Boris Brezillon , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter References: <20241218181844.886043-1-adrian.larumbe@collabora.com> <20241218181844.886043-2-adrian.larumbe@collabora.com> <2a7c5a0b-af3f-4f1c-8c77-ab6233afcc76@arm.com> Content-Language: en-US From: Mihail Atanassov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: LNXP123CA0004.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:d2::16) To AS8PR08MB6263.eurprd08.prod.outlook.com (2603:10a6:20b:290::9) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: AS8PR08MB6263:EE_|DU0PR08MB8138:EE_|AMS1EPF00000048:EE_|DBBPR08MB10483:EE_ X-MS-Office365-Filtering-Correlation-Id: de2d8228-25fe-4943-0046-08dd20e77d8e X-LD-Processed: f34e5979-57d9-4aaa-ad4d-b122a662184d,ExtAddr x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0;ARA:13230040|376014|7416014|1800799024|366016|7053199007; X-Microsoft-Antispam-Message-Info-Original: =?utf-8?B?MGZRYk55M1N3cTQraVpKYVp3UnpMaU1pV2hicjRtSXVNRXVzdkV1N1oweHdo?= =?utf-8?B?MldJbzBERG1RUjdGcjc5dWo2ckNWVWxYZWorZTBNQkJxMHRjRmtGQ1FJTjlV?= =?utf-8?B?b3Z0c2pNMzRnTjNKb0lqMVNob0kyZm05QktLTEZGdkQ5VzFWMG5rbmsxcmth?= =?utf-8?B?Nk5oaWY3TXF3OVR2TkVjcmowRHJBM2VROGZsTkxKZmx1enpHaXd3T1dOd25D?= =?utf-8?B?S1dVb3h2bkJvR1Z6TGQ1SWltQVlNM0diWitjYUpqUFltTisyTHp0T2tvbFpP?= =?utf-8?B?d3B2c3NYb0E4clgxeDVWdEVFUGIzTklLYlVSZVhiOXdPSnNnK243L3U1SEg4?= =?utf-8?B?TExzeDl2QlhlYy9kcE9OOXIrVVU4NmcrU0tlcys3MFdDQTU1d3B2Mzhna0hu?= =?utf-8?B?a25RZENXS3diTDR1bW9FdFg3YXpxaFR3alp4VGQ2N0dKUit6TE82Q1EzLzR5?= =?utf-8?B?SFhDdFh4dHhvOUlScUErdVRLK2tiOVJ0TDk3ZUtORnUzKzFEeFNLejMreUpO?= =?utf-8?B?V21UanZIdnlCMEliU2UycHhaa00zWFBxVWxsZ1haNDhQaW9WWTZXODZpb0Fi?= =?utf-8?B?Q0JRVnh5a2lwSTN6RDBNaG9JOWZmNHk4Q1VmSVBSRXJ2RFM1cW5wUE5wSTBo?= =?utf-8?B?V3RHcmpQeVJGVEgxWmx6c0tLOWFnQnlhZis2eHVtNEpDeDhnNUtwMVNhdmlM?= =?utf-8?B?M1U0OER2QUJ1UmJDTE4xZWltRE1uYUQzVjAyU1A4OUI1c1o5NXMvc1Nxb2R5?= =?utf-8?B?bjU4TGU0Vk5FWEV1YmhiR3l1c095ZEp4b2s5YU9VWnlaSnE3VHNBVTdBL0N4?= =?utf-8?B?RDhSdjErWCs4V0RTRndiajE3NHUzOUlYRWV1VkVwZko5b0lSaFFUZzhPc0NN?= =?utf-8?B?V05FblRxRHZlY2ZGSmtpVHNUVThCdEsvQTRSSy9aY3ZvdFpjWWd0elY3bUpL?= =?utf-8?B?SGNEY1RHR0ZPV2V4bURxYksrWmNCekwrNDZCNGtpWGpRZmhCUDRnRWhPSmhT?= =?utf-8?B?VUtGdkdRV0pvVzRRUklSRTRPSUdwS2RBQkJERThjQUtSbWZHaHVMU3VKZUtr?= =?utf-8?B?cENnc0VOTGs4SFJwQUp4akVuQlh2Q0k4UWxLU3RSSzhONVB1NlVzYlRQVE1l?= =?utf-8?B?aHdoa3JaeUVadWlaREZPZjdWa0NGQzN1WEZadW9lcHNLaWRUUHBYMGJnTFJl?= =?utf-8?B?Rkc2RnNCZkF0bThhSVVDVDEvRFd5WE9RbjRveEh5eXVTZ3JDcEZyMnlLaWhW?= =?utf-8?B?OTdOd0JNeVVWa0ZGYi9zQ3NFRnhURm1JVURSRWtJOFBuV1FlMzhUcUhLaGRD?= =?utf-8?B?RVZidjR5bWJ1dXlzWkZTR09GMVU1S3RHODBmQmVPMjRkZmNoaFgxOEVabG9K?= =?utf-8?B?T1VsYURoRTZKZ3U4NFNocDl6TlFaM0x6R2srSUptU2MrRUdwbzd3Mm5Mc1Zu?= =?utf-8?B?TEtMOTRtei9rSllkQ0dmWndOV0pJQ2RnZ3dENUxRZy9hMlUweE9Ld1dqbVRX?= =?utf-8?B?NTBzMndhaXhpUndURXN5eCtYclNxK2x4M2R2NzBHNWdXdjdQZkxoblkrdGh3?= =?utf-8?B?WWtBR2pYSjh1UDBmblpueHJDdFZETklzNlBDNHhKRjBDSW1icnhxTXdhRFpO?= =?utf-8?B?MXNoWC9IdVNJODNNL0RWVm9jV0crbklQSFBEWXBEQ1EyYTc1UEgrdUdvS1N0?= =?utf-8?B?NmtTV1RVQWR6NTlHVFhpVDRoeVZob0NiYmErUGN3aVZnQlBheDhVMmZpUWti?= =?utf-8?B?Z2U5eUM4QnZGcW5TSW9IRnZPOC83Mkk4Z25Sb2kzSnZsODYrclhheDZPN0Zw?= =?utf-8?B?bm1jRUtESmZRVk56SXdPajdIbjM4QzhoZmVFbHdkVnAvQUZMOW1kNDNLbHNJ?= =?utf-8?Q?WPk8Yn54CDYqL?= X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR08MB6263.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(366016)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB8138 Original-Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; X-EOPAttributedMessage: 0 X-MS-Exchange-SkipListedInternetSender: ip=[2603:10a6:20b:290::9];domain=AS8PR08MB6263.eurprd08.prod.outlook.com X-MS-Exchange-Transport-CrossTenantHeadersStripped: AMS1EPF00000048.eurprd04.prod.outlook.com X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id-Prvs: af6bd28e-e74c-4444-a33c-08dd20e774aa X-Microsoft-Antispam: BCL:0;ARA:13230040|14060799003|82310400026|35042699022|376014|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: =?utf-8?B?ODBGTlFlTHhqWWsrRUdabUlDOVF3aFZzcG5qUnJGaXBsbmNzaDBvVnFPU2l5?= =?utf-8?B?OXU2N1hMOFFQM1VKMzFjZzhBNUEvUW1ZR09ZOC9IV3pXdEhvQUxaV1JPUTI2?= =?utf-8?B?L0VacVRaUzhGWFZnRVNOZjFFcWxtRWUwcENkSTAvMnk1b2VxaE9aSTMxVHY1?= =?utf-8?B?ZUVOM0xIbUFmM25ReEJFZmxKYlR6ZzZWS3dpNWI3ODRwcVArYkpObmhyNmlL?= =?utf-8?B?UnhnbDhaZDEyckpiR25JMGtlSkdhL2hYNng2SFB1NjhhcFVDcnhaOFZLRXhU?= =?utf-8?B?bWtXdTBrUnMwOCtSNWFxbmZkVjdvL0tiMU9PNnFxaFowWVptRlVEdHJLZnZQ?= =?utf-8?B?bE1RQTlOazFvRmd5MVVqZFl4M2FmNGpqZkVWbGpGcy9rdVdNWThhOGo3a3hy?= =?utf-8?B?cHduT1RGTUVIQktoZHdFblBFWEV5QTk5Wnd6UUFJMm9rQ3UrMDFLTm1vWkY0?= =?utf-8?B?YlQvS3l3QlRBWnNIS0gvYnZpVGp6blJNUGZaSkcreHlQa2E5eitDN0NTNDZq?= =?utf-8?B?WTFTSWVVSTV2ZlZzQ0ZlSnV1dCsvRWVYcnpYa3Avd2liNzNqak5VYmZyV1Fq?= =?utf-8?B?NGlYMDljbjkxdi9GYWYxekdoSVF6UER2cC9BZ000WjdEa0piSlVOa2tTMFdt?= =?utf-8?B?Qi9ONWNMVEhDRStVWmo5UTVhbnZzWGJyM0FKUzZYems3NnJzT1M3cm8wL3Q4?= =?utf-8?B?S09xOUF6MTI4aGZJMFlNSVpsb1JaaWpDdE5LL0NUb3ZXRU1kdWx4cTVPdGgx?= =?utf-8?B?ZG05QmFmWlBiVUdvZUxGUHhrMnN6TGxQMGlDaHVNaVZpNGpQQ2NRdWkxOGhD?= =?utf-8?B?dm9qNm1jMjJOYnNzS093a0thV0ErQ05YUnpDOEV4NkZZcmduWCs2NjlyWm93?= =?utf-8?B?RkRTZlZUSFh0cm1Ib0hXMEV1OHphTS94dTM0Rm82OVZWclpoVjZmMlNZV2t1?= =?utf-8?B?SkNkTXNiWmU2VTRSdGdwV3luaXJLWldLeE1ZUUdaajgvT2U2cnhPTmFmMnpI?= =?utf-8?B?VXF0Y083L3Blamlmalo2OEpGSEdrUlp1UUMwc3dmalc5UWwvOHNyTXpHaWZS?= =?utf-8?B?MU1DcldRS0sxSXUrRFRKVTZ1dGpKZElmNDlHaXhtWmlqM2ZrU1VuaWE2QUNo?= =?utf-8?B?cW5oNk5WUU53cldtL0l0V1hpZmJvZ1hBb1BMVCtUK01PS1hHNG92aFdlNDFl?= =?utf-8?B?NWZQb2pnTUcxVFAvT0Rkc2E2Z2pqcy9YUnJOQ2dVWlNqZ1pNaG1zZy8yL0hk?= =?utf-8?B?SVd6ck1nWmpCZDdxQUZmSUMySWxOeTlaL3lJQWxrV2JZMVo3ZytYVGhiTERr?= =?utf-8?B?cjJjejkzUU1DWnJkU2dMTC9Gb2RXdDhBOUNiVWYyekFFZTJRV2lKTWgrUlZq?= =?utf-8?B?a1lSV3NKMWdqVkd2aU4zcUt3cWRXOFdzYjlUdHRIT0tSbmFIRGxQVHI1dlJq?= =?utf-8?B?dGpPR3FkT0xydWhVc0g4N1BBZXVNdCtWUlI0Q3p3aFJYV25aNnhmRTFhWGs5?= =?utf-8?B?UW8wRHF4Y0JOVHlHWGhMenI5b2MyREprc09rZFZ6eUl3SWJZOHhJUjkrUERT?= =?utf-8?B?blhJcUp6Qkp0Sng0RGhCUFNuMnE1eGZOKy9Nc2hNZHBEVFV2c0UrdFpsREIw?= =?utf-8?B?U2Z6S210amp5bjV1WXBHZWVIMStRSTUzbmdTNVI2ei8zUnF4WWVkYU5JUThX?= =?utf-8?B?c29TMGt1YU1BRkdvK3RkMGU0K2xGYjFZcGJoL05Gd2xNdGlIbml2M21BZmlH?= =?utf-8?B?WHdSbEJldCtRWnZITEZXRHBrNDcyWkwvRTNCZ0g0elZ3NDRxOXJvVGJVZm4r?= =?utf-8?B?VlA2ZFJOUDVQcGIwRWc4NGlxZUo3TTJEaU5kb3R1b3Q3YytYMGZKT3dzc2hs?= =?utf-8?B?cDNOaFdLZGZFZ042MUwzUUJKODVoQmFGSGY2aDZQSnQ5eGNndlptMGwwanNO?= =?utf-8?B?b0huQm5NOGxpNUZSbFNaUnNhdHBQc3NRVDUrRHArV3VkVnVKVjB3dllNQVNU?= =?utf-8?Q?R1i2W+0ZzOjiob27xWsFyFQbzg+ijA=3D?= X-Forefront-Antispam-Report: CIP:63.35.35.123;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:64aa7808-outbound-1.mta.getcheckrecipient.com;PTR:64aa7808-outbound-1.mta.getcheckrecipient.com;CAT:NONE;SFS:(13230040)(14060799003)(82310400026)(35042699022)(376014)(36860700013)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Dec 2024 11:14:37.1220 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de2d8228-25fe-4943-0046-08dd20e77d8e X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000048.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBBPR08MB10483 On 20/12/2024 11:08, Steven Price wrote: > On 19/12/2024 16:30, Mihail Atanassov wrote: >> >> >> On 18/12/2024 18:18, Adrián Martínez Larumbe wrote: >>> From: Adrián Larumbe >>> >>> This will display the sizes of kenrel BO's bound to an open file, >>> which are >>> otherwise not exposed to UM through a handle. >>> >>> The sizes recorded are as follows: >>>   - Per group: suspend buffer, protm-suspend buffer, syncobjcs >>>   - Per queue: ringbuffer, profiling slots, firmware interface >>>   - For all heaps in all heap pools across all VM's bound to an open >>> file, >>>   record size of all heap chuks, and for each pool the gpu_context BO >>> too. >>> >>> This does not record the size of FW regions, as these aren't bound to a >>> specific open file and remain active through the whole life of the >>> driver. >>> >>> Signed-off-by: Adrián Larumbe >>> Reviewed-by: Liviu Dudau >>> --- > > [...] > >>> diff --git a/drivers/gpu/drm/panthor/panthor_mmu.c b/drivers/gpu/drm/ >>> panthor/panthor_mmu.c >>> index c39e3eb1c15d..51f6e66df3f5 100644 >>> --- a/drivers/gpu/drm/panthor/panthor_mmu.c >>> +++ b/drivers/gpu/drm/panthor/panthor_mmu.c >>> @@ -1941,6 +1941,41 @@ struct panthor_heap_pool >>> *panthor_vm_get_heap_pool(struct panthor_vm *vm, bool c >>>       return pool; >>>   } >>>   +/** >>> + * panthor_vm_heaps_size() - Calculate size of all heap chunks across >>> all >>> + * heaps over all the heap pools in a VM >>> + * @pfile: File. >>> + * @status: Memory status to be updated. >>> + * >>> + * Calculate all heap chunk sizes in all heap pools bound to a VM. If >>> the VM >>> + * is active, record the size as active as well. >>> + */ >>> +void panthor_vm_heaps_sizes(struct panthor_file *pfile, struct >>> drm_memory_stats *status) >>> +{ >>> +    struct panthor_vm *vm; >>> +    unsigned long i; >>> + >>> +    if (!pfile->vms) >>> +        return; >>> + >>> +    xa_for_each(&pfile->vms->xa, i, vm) { >>> +        size_t size; >>> + >>> +        mutex_lock(&vm->heaps.lock); >> >> Use `scoped_guard` instead? >> >> #include >> >> /* ... */ >> >>     xa_for_each(...) { >>         size_t size; >> >>         scoped_guard(mutex, &vm->heaps.lock) { >>             if (!vm->heaps.pool) >>                 continue; >> >>             size = panthor_heap_pool_size(vm->heaps.pool); >>         } >>         /* ... */ > > I don't believe this actually works. The implementation of scoped_guard > uses a for() loop. So the "continue" will be applied to this (hidden) > internal loop rather than the xa_for_each() loop intended. Yikes, good call-out! I ought to have checked... I'll make a mental note of that limitation. > > An alternative would be: > > xa_for_each(&pfile->vms->xa, i, vm) { > size_t size = 0; > > mutex_lock(&vm->heaps.lock); > if (vm->heaps.pool) > size = panthor_heap_pool_size(vm->heaps.pool); > mutex_unlock(&vm->heaps.lock); Well then you can do a: scoped_guard(mutex)(&vm->heaps.lock) { if (vm->heaps.pool) size = panthor_heap_pool_size(vm->heaps.pool); } /* ;) */ > > status->resident += size; > status->private += size; > if (vm->as.id >= 0) > status->active += size; > } > > (relying on size=0 being a no-op for the additions). Although I was > personally also happy with the original - but perhaps that's just > because I'm old and still feel anxious when I see scoped_guard() ;) > > Steve > -- Mihail Atanassov