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 37F5DC021A4 for ; Tue, 11 Feb 2025 09:54:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BBED710E453; Tue, 11 Feb 2025 09:53:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="KX2MdCV9"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id BCF2C10E453 for ; Tue, 11 Feb 2025 09:53:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1739267638; x=1770803638; h=message-id:date:subject:to:references:from:in-reply-to: content-transfer-encoding:mime-version; bh=gPKkO18ekH0Nqwwnw+LTP/VBpPtN/aq3osRtnf/c4rM=; b=KX2MdCV9bSK93mKLH2gMZhdcXEqdabjctIuVlSsbWFhSF9rSSTS5nBdf tetIRWVaX1hzUpKZ8zqGlfcDmJhx/PeVApGAgvn2DHNXXEHBLsmA3vSp9 DM47XcXHhMDyYfVGd+f+s2dZe9XyoJton/2m/6uMqPUeuIaitkyY27pRy jYlbcjhlGWjv3j1TY31KV0AJPwR3i7IPO5nnwkLyC1z6E2n/nGviqWe/J HP5MYByCK9xclb4Jwe/BVIdXjwPRTZjty8O3PuNYCmR3uPsp6+angTujn j2Wy7omIlryClXqVlrdb1f3stoiSt1z5tFvQBka43TQ5mx5iv3aM+Jay/ g==; X-CSE-ConnectionGUID: Dh4VUiQdRy+jg3UrlAJSZA== X-CSE-MsgGUID: wIAYgDLMTQWaqdZdjDpZPg== X-IronPort-AV: E=McAfee;i="6700,10204,11341"; a="39898246" X-IronPort-AV: E=Sophos;i="6.13,277,1732608000"; d="scan'208";a="39898246" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2025 01:53:58 -0800 X-CSE-ConnectionGUID: MaZHii+lTpm5RmDJD1Yumg== X-CSE-MsgGUID: su1DbGltTbaM5WduHujMtQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="112928958" Received: from orsmsx601.amr.corp.intel.com ([10.22.229.14]) by orviesa007.jf.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 11 Feb 2025 01:53:57 -0800 Received: from orsmsx601.amr.corp.intel.com (10.22.229.14) by ORSMSX601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Tue, 11 Feb 2025 01:53:57 -0800 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx601.amr.corp.intel.com (10.22.229.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44 via Frontend Transport; Tue, 11 Feb 2025 01:53:57 -0800 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.173) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.44; Tue, 11 Feb 2025 01:53:56 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=QZs/AKN3cyUrFOtSfGlPEHaMiSSFi1OiqPlJjRGI8G2aHFU+M8TMWH+yYGzZ75PEVz+I4978kwAnEoJ0SU6pDx6uHTIJxbgdiB6ripCgashAsew59zK2qEA1QQIihcW7b+Iy0SO9acYtHOEXfUAcSL2R10J18kDVTyOeaSj90iNW8hO7B39eZZY5Iigp5jM90qBPe7UOMRdMA7slnb9v4MFKPs8g24G8dErEZooXAoWCGgbI1cT/73tqkKB6fewFsxst8cja78oykkZ61/5R1M7jzLuSzZ6BJci34cJrM+PUW9OU/HG4BKquy+BFSUxpGjmQ55V+EhqYnSrvhvHyOg== 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=H1KtPn2N5s4M+tWhiIt5hFgjbPED5ESPIzR0rufBjQM=; b=rJWUGDpEI6ypydxPhw1Q5K9xQfM51yRDZ7LEXkLUjJPfiDc5hOS0v2L4aVpT6skMY64Hy2eOge9b4eTIevcGFVRJwQW8pq1py4sbIL7h4dSANDgcnihbGl1n68oKlkl+nnvGpLORXJiAibK9z6E066QVqJ1C+TG4/eYZ3oUFiWuvvXK8PpD7J0VQH8G/SfMG/gdsmIDweumkQn8bmeYqG7JcLbAGk0T6ExzmbgKrWXIjXe8/qsPzbp6wL7D0bfLqu183B7stfBw+QBGXH9psuN9yoQ1ZWXmM1nvP1wLlz/rQKM9hyBbluui6gbZfbvrUcaHZ2m4LViHZLfnbYjDt4A== 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 IA0PR11MB7307.namprd11.prod.outlook.com (2603:10b6:208:437::10) by PH0PR11MB7470.namprd11.prod.outlook.com (2603:10b6:510:288::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8422.19; Tue, 11 Feb 2025 09:53:54 +0000 Received: from IA0PR11MB7307.namprd11.prod.outlook.com ([fe80::dafa:d38d:8ac1:e843]) by IA0PR11MB7307.namprd11.prod.outlook.com ([fe80::dafa:d38d:8ac1:e843%5]) with mapi id 15.20.8422.015; Tue, 11 Feb 2025 09:53:54 +0000 Message-ID: <2fcee960-d780-4466-abfd-ffb1ac06c71b@intel.com> Date: Tue, 11 Feb 2025 15:23:48 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [i-g-t,3/5] lib/igt_kms: add function to set link params To: Kunal Joshi , References: <20250203081241.659139-4-kunal1.joshi@intel.com> Content-Language: en-US From: "Murthy, Arun R" In-Reply-To: <20250203081241.659139-4-kunal1.joshi@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MA0PR01CA0053.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:ac::8) To IA0PR11MB7307.namprd11.prod.outlook.com (2603:10b6:208:437::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR11MB7307:EE_|PH0PR11MB7470:EE_ X-MS-Office365-Filtering-Correlation-Id: f33b6b92-ecc0-4bc6-6eaa-08dd4a81feb1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?SUVPTGdkNUpBVVBaNmY2b2FBY3pvYU5QVXBoWkgrYTZCZ1lnUSt6RTlHUkRj?= =?utf-8?B?ZWJDeERZbXBIc3ZUckhwMUxQb3AzRk94S2JzZldzTzEzKzliUExhdEt6ckZT?= =?utf-8?B?VHlXbTJFeDdqVW1SUE1Ua0o3QlRCQUJCWVFBMklnL3pMOHY5dlNUVXkxY2Vo?= =?utf-8?B?dHF4MWlIT3E0R2JyWUlsSFZVS05WdjNNOWhweklzeERDQWY4Q3FRQnlSTWJu?= =?utf-8?B?SFBacWJ0amZsUENQOEQvMkpoUUZNQ2MvS1lwdUFxdmlEdGhOd2M1d09KZ3lt?= =?utf-8?B?MTZZS1Azb2wxeE9TdHBYd3ZJOHlDYzVjYmMwZUJuRmd5OWtHSC9qbjhiSnl5?= =?utf-8?B?WFdyb092a0plVFZiSjFUUUFTYjhib3M0TUZ3eUlSOG9xaE5Vd1hNUlRyQytR?= =?utf-8?B?enZHMkpyaUNsVTdTTG5MNzZwbkFqZkxhTWZkeUlUVTdyNE4xVDBzTjBoYjZP?= =?utf-8?B?U3E3QnIxZ2ZFdGlGb0Q2TjdZVGdSRHltYndRMXhtYkx4UXhhODhjeklvdDdv?= =?utf-8?B?b3BBWGtoQityWnBSUHF4WnpkSXBuTlloUFRYOHU3OUdadFpnemZEZ0xUVjU2?= =?utf-8?B?U0NuWGEyc25LZTU2SE94NlU1MzhocHhvOFNvMWdwSjU2UktqQzUyellQcmRk?= =?utf-8?B?alluWjJoYWFSd29CUWtJRlhhSk9jaVh6ME1vK05sTk5JMGIzR2kyY2hqaVJO?= =?utf-8?B?T1FSVnlVeEVMODBBaEVnQVRnYW91RzRpLy9Fck15RHVzNHAwWEpYV2pCSktT?= =?utf-8?B?R0l6YXh3N1VZdndrTS9QYUgxa29wdmQ0QWlwOWtZOW96dGhCNGVMUTlzZGR3?= =?utf-8?B?bzFnZjBHMjNVdXB2SE1ZS29CU3p1T3QxZ1ljb0V6UlE0K3NMNmNja3pjNHZz?= =?utf-8?B?MFNyVi9LSEJzQ21VdEszdTMrZ2Z6Q0hYc0lkWUlwY2NTZkJGM21NemNVd3RM?= =?utf-8?B?VGhsSmxDWGkyYXQwVXhkcmZGZkE3VDVOV3ZoVHQ5K3hEd3B2QlZNZXRjUW1O?= =?utf-8?B?ejZvSStEVkxRK21UQ2F2UVNoY1BWWHd0VVc0VngyeWVPNjhSNEFkU044VFlI?= =?utf-8?B?b0pPaWc5YVVrR1Z3SDdtTThYRWpuU1hqVGVpUFlqa2labHhmdEdHREo1eW9S?= =?utf-8?B?a1RxYUtaWGYyWERwWGx0NzNVRTBIZVRrdFRzYmpqRWYzcXRnd2RsOERySUlr?= =?utf-8?B?c3JJczN2aGQxV0dXWlE2VUhKbFhCcjEySDFCSWtITVl2L0dmQ1cxOTl3UU1i?= =?utf-8?B?bXd0MTE2WEMvZExmK3NIYkhEcCttaEl0VWVYOFNwdE8vSWRYS3NTeHpRelQ3?= =?utf-8?B?NHBZSVo2ODhHbzZPZXZaNmZLekdXa09DS3JsK1IrQU5CQkd6Nk1nZmplK0xa?= =?utf-8?B?emxBUGlrNHQ1OU5TQXBmUndXTi9lQVBLeHdCclVQUmw3NmZzS0NRdzNWM25T?= =?utf-8?B?bndhRHVZS01LZEtvMnVpcVhKWWJNT1I0VGxyYWRHU3haMnVKRUNZZXl1b0xr?= =?utf-8?B?b2NGNGxEL09MYmZmbmlKaXBRa3N3bS9nYmxFR3lnWkdhUHhxS01JdWd1dHc5?= =?utf-8?B?dkx4ZDJzSWZxY2ZSelR4OFVyV2VZeDlwRCtsVllURVpPbmU5SkZqblN0d25G?= =?utf-8?B?ak1BNVNMVGQyQy9Gc0NGODlKZkN0NkpEUHhEMG1hNTNHZ1c5and5Yll2SlAy?= =?utf-8?B?ZXMvRkFqRVBtUkFqVGhYbG9VWmNLejRyMkxFYUtObXR1bEZKRGFsRjlwWk5z?= =?utf-8?B?NU5lUkhCQ2VvREV1Wk1WZ3pwNzV4U05wQzhneDlVMEtQblZndE4reFN2N0lh?= =?utf-8?B?L2lqV3daTFZ0VFYvbk5BRUtRY25uSWZtU1VqTEduMWs5VjB2Y2x1Yk9LV1dR?= =?utf-8?Q?KlsN94lyPu+Ix?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:IA0PR11MB7307.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(376014)(366016); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MWtNVHA1NjYra2tKeWdjbmVKR09hTlNPQUhlR3NYanlMVzkvaUNWUVliWHU5?= =?utf-8?B?b3NqaEZIZ2wxUzBwV2xwNHNIb2doeU5oeHZKK1VuRFhxT1lKQWpMMnV2NW5R?= =?utf-8?B?YVVyQTMwL3hXV01qTEdzQ0lySVNsdWpCZkZ4RVVtSDhKQkcvbVJhZWhZZ2lW?= =?utf-8?B?RkluQ1JsZFAwTy9QaXZibjkyY3MxdXNET2FqMnpSQ1d3MzBod2dmQmZ1WEkx?= =?utf-8?B?eW5aQ1VZc2U2NlUrdVc2USt6SERwWmJ0WWV1R1NpNzhLS3F6VkttTHJvR3Fo?= =?utf-8?B?UXdrejNxb0NERW93bkFseTJ2ZVREdkhCR3NqYVRCY2VYZlV1cDIwSVR1WWNW?= =?utf-8?B?RWFqL2VoTFRoam1KQks5c0Mzc1p5TWZwNkZvaXNyOUVRbEZQTk5aQ3VXWCtE?= =?utf-8?B?Q1Y2UG1rdUc1RkFpaXEvTk83eTlHeWdWK1ZaVG1rbGVPY0dmekV0d0tQdW1W?= =?utf-8?B?SER1VkVQOG84TFRXL2tnL1VzSTdkdm8zSUYyR2dMbXpDckJxWm1tMmRzaU1G?= =?utf-8?B?L2RnK2RxL3ZUa3hpS1p6anFNalRvRXBOMWVaQ2N0UkJEVytsN1hpWVRVYVc4?= =?utf-8?B?SUI0Q1oxZVBsc2JOSnprTE02UFdHbFNNbnhhYys5VXhaZmlUYmJpK1VTRFly?= =?utf-8?B?Q3lnQXVhUnk1T25oVk1UVGpYK1pOaFQva25tdysvMmE0NzdIOXFrMkhieVlu?= =?utf-8?B?SU1CVnR1Y3lFYkpPYTlDc3l2bWZtZGtUSitOZTYraTJBSGhLUjl1MDd0YVR5?= =?utf-8?B?NXNpaUpONFdBQjUrSW81Q3k5eHMyZEQ3b25EdjJ5c3BZWGo1ODRSUjRCNUI4?= =?utf-8?B?WFMzNUFuVTNzRmtaU2Z4dzVnVkgrem4xVFdTeXBMMmc4VzBnSWxXeC92VVRz?= =?utf-8?B?Q3dmejJtRS9hNmg2UHF4RjFWWkJzWFZnWXA0bXloQVlBeUQxb1VIOFFsSXBq?= =?utf-8?B?dVpackV6Q0NmMUdFbEhvc1B0b1hIajZLamhYTmsranJIMG8xK3AyenBnRUhM?= =?utf-8?B?STRpcitjVTBNbGR3VFRZUEhhY3pabnVUZEN6RXNnOUVhL2tOc1VEcEc4bVY2?= =?utf-8?B?YW9hOXpBQXBnQ2xwQ3haR1U4WDR1cnhleVB3RHVCb0pEaWthYlhaNXlvM1lv?= =?utf-8?B?YXJDV3hCU29WTldDWXo1L2syVFpKWG9TWjZGdTJCVlYvcGRweUc3ZTF6ZHZY?= =?utf-8?B?dXpUNXl6WHNwWGtOeFZwbFdWMnRyUmVhb1F4a2hWeGMvSkZFNENqdE1IMVM0?= =?utf-8?B?QmJaVlBWWjJuWWZ2VStMbURiaTVnQWdlallpbHMyT2dyZk1RcHIraE1sVTZz?= =?utf-8?B?RzNPNVNBSVN4TEdZenhXNW9xMEZSMU5tckNvUGpVVWp0dUFtVkEzUy96dDdQ?= =?utf-8?B?dFZySFFyWUtjdnBlYUpKS0VjVzVPUmR2d2lZZ3BHU0g3V1ZJUWViWVdGaE0y?= =?utf-8?B?b0xrOW9ZdUxBSjI4Y2NkK3ZiQlFPNzlJOWM2cnVZVzdyTlJjNW5FUGJpQkh5?= =?utf-8?B?cjlLam9UenFZeXBNYytBSzJnSkNsNnBZU0xXSUNxQ0VMTDA1K0tNYVViTzBN?= =?utf-8?B?Zk1paGdsUnptdE54dUlpSkRzTEJ2WkQrb0xqdkMzU3orU3VveEo0T284UGp6?= =?utf-8?B?cFpBdFYrUFNoRUZFOHovVUNWQU1hNzlqVldFWlFqREJxWHZVNDNSN2wvaWwv?= =?utf-8?B?aWZMUmZteU5tU2d3UnllZGRhcDl1QjNpQ1A4cm9Mb3BSSXBzNDJ2bEg1am80?= =?utf-8?B?TnVJZ3V0aUJIcEJOT2l5dkNqQXpKcENwZndWSXljSDBFL3pSdmN0MWxJQkJL?= =?utf-8?B?WS9HSXdqRC9qWmJtaVlXRDRjN1NWMXRLSFZBcXZucThEMjJvMFg2ajY3eUxN?= =?utf-8?B?Mk5HbVNDYitWblZFQnJKQVdydGlLZHpXNW4wRmNuUkxrWTNxQm8wWXRXVlhz?= =?utf-8?B?NTE4STdMTEVHNzBQZkhVbEFreGJOejdWSWJGS05XcE0rNkd4NWlMb202c24z?= =?utf-8?B?eUhTUUZkNk5PQVFoSFdPbkhRYkV0Tms3c0lKNExpdUNZbWFuR3dmSFRiWEhD?= =?utf-8?B?Nk5ObnpmYkpUMDBNSTdzRklwM1hweWp1N1kvdDlvb0VRZzBpanJZK3cydmRs?= =?utf-8?B?bjBPdEhSNlFQaU5LTnRQTXQ4TTc5RCtlZWJoYi9OY2Z6YUVwS01PYkxWclQy?= =?utf-8?B?bFE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: f33b6b92-ecc0-4bc6-6eaa-08dd4a81feb1 X-MS-Exchange-CrossTenant-AuthSource: IA0PR11MB7307.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Feb 2025 09:53:54.2474 (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: jvK/0ukvBPRKh367Suv0sXuGbFDNXGLbx6NJI+bX0VH2zyttGzloX22fg5XlKUwUeOtDRGyXFoUgUUhucZd9ew== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB7470 X-OriginatorOrg: intel.com X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" On 03-02-2025 13:42, Kunal Joshi wrote: > add function to force link rate and lane count > for given output, install exit handle to set auto > at exit > > Signed-off-by: Kunal Joshi > --- Reviewed-by: Arun R Murthy Thanks and Regards, Arun R Murthy ------------------- > lib/igt_kms.c | 33 +++++++++++++++++++++++++++++++++ > lib/igt_kms.h | 2 ++ > 2 files changed, 35 insertions(+) > > diff --git a/lib/igt_kms.c b/lib/igt_kms.c > index 90f44b4d3..424056252 100644 > --- a/lib/igt_kms.c > +++ b/lib/igt_kms.c > @@ -7190,6 +7190,39 @@ void igt_reset_link_params(int drm_fd, igt_output_t *output) > drmModeFreeConnector(temp); > } > > +/** > + * igt_set_link_params: > + * @drm_fd: A drm file descriptor > + * @output: Target output > + * > + * set link rate and lane count to given value, also installs exit handler > + * to set link rate and lane count to auto on exit > + */ > +void igt_set_link_params(int drm_fd, igt_output_t *output, > + char *link_rate, char *lane_count) > +{ > + bool valid; > + drmModeConnector *temp; > + > + valid = true; > + valid = valid && connector_attr_set_debugfs(drm_fd, output->config.connector, > + "i915_dp_force_link_rate", > + link_rate, "auto", true); > + valid = valid && connector_attr_set_debugfs(drm_fd, output->config.connector, > + "i915_dp_force_lane_count", > + lane_count, "auto", true); > + igt_assert_f(valid, "Unable to set attr or install exit handler\n"); > + dump_connector_attrs(); > + igt_install_exit_handler(reset_connectors_at_exit); > + > + /* > + * To allow callers to always use GetConnectorCurrent we need to force a > + * redetection here. > + */ > + temp = drmModeGetConnector(drm_fd, output->config.connector->connector_id); > + drmModeFreeConnector(temp); > +} > + > /** > * igt_backlight_read: > * @result: Pointer to store the result > diff --git a/lib/igt_kms.h b/lib/igt_kms.h > index 8810123fb..f696847a4 100644 > --- a/lib/igt_kms.h > +++ b/lib/igt_kms.h > @@ -1268,6 +1268,8 @@ bool igt_has_force_link_training_failure_debugfs(int drmfd, igt_output_t *output > int igt_get_dp_pending_lt_failures(int drm_fd, igt_output_t *output); > int igt_get_dp_pending_retrain(int drm_fd, igt_output_t *output); > void igt_reset_link_params(int drm_fd, igt_output_t *output); > +void igt_set_link_params(int drm_fd, igt_output_t *output, > + char *link_rate, char *lane_count); > int igt_backlight_read(int *result, const char *fname, igt_backlight_context_t *context); > int igt_backlight_write(int value, const char *fname, igt_backlight_context_t *context); >