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 EBEEAE63F2A for ; Mon, 16 Feb 2026 07:05:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5FDFF10E175; Mon, 16 Feb 2026 07:05:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="CPl7RpPT"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id B8FF110E093; Mon, 16 Feb 2026 07:05:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771225501; x=1802761501; h=from:to:subject:date:message-id: content-transfer-encoding:mime-version; bh=Rl3NM8pWl+XRti9g1mRXWbMLSy1Sm1d1W4/Qz6BfVVQ=; b=CPl7RpPTrlD8jiOSm7o57TYdnoBkrEG2+sC5QlK3ahC+2VI7pXKOdDpm M8pbADfwWYXwSvARJrtKubw7ERNzxV8WdmEUcLtRuuEDUS8WieXE0Svz3 Etespuoq/b5tw6ds2/BSZZCoUqlP1QbduOyD5YmzZBAJ0DSMm6uAFxb8f pR0IF+TrQoCDwWe1n5X0ifUXM9VsCKi76Ro4t9tCf6ga8C8cyf4AiVvKO 17nHOT4orPsDIr/tTYUx9zupUQI2qroGuak9Xupp6GiYw5K2S0Xr6GXEs 2LUd1tUzbEI9NnNqki+oR86qbFe/EnUXkYBQ2Bvul08Xk/NZPIrjVB6Ix g==; X-CSE-ConnectionGUID: g9uyenDZSJyjgF6h2lShag== X-CSE-MsgGUID: 7ctxDXJUSd2bp6DEm+gtYw== X-IronPort-AV: E=McAfee;i="6800,10657,11702"; a="83743319" X-IronPort-AV: E=Sophos;i="6.21,293,1763452800"; d="scan'208";a="83743319" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2026 23:05:01 -0800 X-CSE-ConnectionGUID: DB+GnRqGQ++BMmAsU143JA== X-CSE-MsgGUID: +G1/zHEWQY2stYF4tiPLPg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,293,1763452800"; d="scan'208";a="212838133" Received: from fmsmsx902.amr.corp.intel.com ([10.18.126.91]) by fmviesa008.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2026 23:04:59 -0800 Received: from FMSMSX901.amr.corp.intel.com (10.18.126.90) by fmsmsx902.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35; Sun, 15 Feb 2026 23:04:59 -0800 Received: from fmsedg901.ED.cps.intel.com (10.1.192.143) by FMSMSX901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35 via Frontend Transport; Sun, 15 Feb 2026 23:04:59 -0800 Received: from SA9PR02CU001.outbound.protection.outlook.com (40.93.196.47) by edgegateway.intel.com (192.55.55.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35; Sun, 15 Feb 2026 23:04:59 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=l1g7Z7wTjT4xXG1xydcjjG2L95u7BH1t0mfDUeFNmTNWC4qC5DxaV809u6XK2GtYDQIMiwm0c7mMUexb0fYb20yq8VgSSS0GRP1Sj263B2bkCFPXnLQqW1ElXroVcoQ+myMIzneqfNFMy8tpRlZjthw1sDMbHDlZCLu2tG1IcaBZdWx2qBFxoA3b1MwsRibdqXndW6ZVkFZuCo6AYgORGaR47Knt8t+CD/Dk5v59FmjiiBAte8VC8GNP+t0KH0jlK5E9nrhK/94JYyMICErWubcVL5xo9SpbLUkjp+fUWfchh85NgpArRtpS9wYF/B6iuwIqZG1IVHiDuXictsmpTg== 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=xxK2A4xLI51pGq3uUCfVSaAC8oK6kEJI5tgmtv8SH2k=; b=iasBqUnkU0AevSgDOLvo2+tEexjCfYmbzYydAJR++l8KJbvefgpZ8qd0G0LXoqc3kp0+o5Tk8hcsNuZiGNzQEngkMZmng6voMb7hpGa6qa3oyooaHch4xN0SnbXw/wIsELbzoSNmSVOXDhnAk1AsAPbjnVJ5Ns1vsw1c22pT/Vnms8K9ydhV6BBt+X2K3XFQl99ysvNdbgxsDADWtmkf+62QOqVG+J988cAw6lgpBTA/ojshw5NiKlDAzKP7lqOM5kaYPjWdgBg9J1+VAQqT7JDa4pWLkox2ksOppHm6d9Aywd0bWKl9hGpA2fNR9Bx/jn12os+W5SpaaQK81KHrPA== 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 SJ0PR11MB4845.namprd11.prod.outlook.com (2603:10b6:a03:2d1::10) by BL1PR11MB5240.namprd11.prod.outlook.com (2603:10b6:208:30a::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9611.16; Mon, 16 Feb 2026 07:04:57 +0000 Received: from SJ0PR11MB4845.namprd11.prod.outlook.com ([fe80::9ca5:4d1d:db45:f523]) by SJ0PR11MB4845.namprd11.prod.outlook.com ([fe80::9ca5:4d1d:db45:f523%5]) with mapi id 15.20.9611.013; Mon, 16 Feb 2026 07:04:56 +0000 From: Imre Deak To: , Subject: [PATCH 0/4] drm/i915/dp_mst: Allow DSC passthrough modes during validation Date: Mon, 16 Feb 2026 09:04:17 +0200 Message-ID: <20260216070421.714884-1-imre.deak@intel.com> X-Mailer: git-send-email 2.49.1 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: GV3PEPF00007A84.SWEP280.PROD.OUTLOOK.COM (2603:10a6:158:401::616) To SJ0PR11MB4845.namprd11.prod.outlook.com (2603:10b6:a03:2d1::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR11MB4845:EE_|BL1PR11MB5240:EE_ X-MS-Office365-Filtering-Correlation-Id: 7126ead2-cf0a-4ae9-fe9f-08de6d29b11d 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: =?us-ascii?Q?UavfTX/C0SGj+KXX2UtYwsqCcfs57oIHrDNq+99G3OV9ymOG3XC6yPSrUkc5?= =?us-ascii?Q?L5ujXf2h1e5D4kMJaMfd5lzIVBA4vWDpMfPVDEmxqBVOu++JuBqiI3jEGEQ3?= =?us-ascii?Q?dOfpBd+0XU7wsfMoOL2xRkDEytB+k+qfgB3fvg6zTDbotMjVjNKp5Pj2Evg3?= =?us-ascii?Q?sLOn76x0vP1xISgnnl4Sc7sTDLq9lVQ1E4JIIn04mCpZqttRTXj8ajeKr2pw?= =?us-ascii?Q?OrOfaAYt9nJe9/H47/qoMQpv4EjQOywsP7Saq35R7V/lSJRfQEFtuuICPUV4?= =?us-ascii?Q?64iSqJycxzUbWjBTWWKFWSI2MCwMFfFoJNL9Lg57ul9YrS0lGv2twXD55eYn?= =?us-ascii?Q?x12xOxsZdJpg1A6/LOVXWy+/Snck4kKtySUsNHV6d01OaM0McF2RzrTUZ/Nz?= =?us-ascii?Q?ObYBJvmVBRDphtT1X7oIALLqnN0osol6Fkq5gWIu1jpfLj6dOo9Fwb3vNQLx?= =?us-ascii?Q?WGlWCSfDW53FUQKQiTfpjHxFlk7bOcggrXvZ88tsx9t1+N8vWx91xQ/6PEZW?= =?us-ascii?Q?nPF9HyEHGwzSO6eVuu+PQh0Nvue/iwNjtfJh0uuZSO/kSNHR4k+W5pa5sVTa?= =?us-ascii?Q?ayDGgyueZOnhxaYTPYPjrkVoGYcuswcAVyO5SokEF9a7xFRGEfnvHOp608sW?= =?us-ascii?Q?KzLLHIkJJ7m6p61htsZB/bqqb/IjbZTwaWMUC2Cr+E9IK23Tx/ozDAbDSg+2?= =?us-ascii?Q?R4elV7AHqE3XhL/f2Mvzs9MzucPGzYHTLyI7X7ikHJ42Wv251lWdIlG6qbRr?= =?us-ascii?Q?6s4xbSA6wSlM6TKHRrALOgxrqMPzK7Q+en14ktCugYzFEbtnrus83yDXKqSv?= =?us-ascii?Q?lA5ZJnOOY9snA+CwmsOAGBbyZXutlsioPE/pt39Q+96rf+nKkz6gKSxz8iiV?= =?us-ascii?Q?YdVw74KILGwMMe5PMwRDxmVIYBCmL28Rh+e35aUzS9dSsv5KpVWnV9FEgZf+?= =?us-ascii?Q?iORrcwjop62B7KhCxEPV0PoLAnSaiPv/NUkrUAmS8qcUqbvJ8NGQE7YmwHle?= =?us-ascii?Q?8bcxUp7XRXltSvJ3VbpHdjJsCxquPls/WzJmvlDKkCWd1LXFtpNt+OvgCnB5?= =?us-ascii?Q?sFkpgJg1LCd5TcA3Gw36JFPjH3NgS4+TZEDWCImpXE7pCBk9MSV83pY12S4Y?= =?us-ascii?Q?BNHj8qmrbjUfroefOJwqu4VQsfj2rNRUwPRYTq8Ad+lWBAB3bVwHJrZWvbdO?= =?us-ascii?Q?438o4cwjEAHLtqpenXUZ6JJuXZBM3AYgkHnq3npK6o78d0h8RbhdscNBaWSh?= =?us-ascii?Q?i9gAUce6bke2P0PviEOvRIkytCJX98FaFgZWwxzuFWrpJLevUth7moG9+fIP?= =?us-ascii?Q?EMNGeNt96NGySk8PBRTu1YwOlA2SQj49hB4mlA+fqGF8zGdY+rm0D2fhTIaj?= =?us-ascii?Q?aJLxg2sQvSwnXdIHgD2VPEn/kh8SmFdYosG0tCzaK7qVnX0zmj1GnWlEYXvl?= =?us-ascii?Q?PwmOJgqbSlYVfXr5xL5+R9W3/xK/YS88bGELv3cDpktvncWiRiGE+JJswL4v?= =?us-ascii?Q?sOHhqq4o2KCfWwSEM4Lra742Zxe8RHXzdgLfS+T8m1jXpdczTUWhLWJA485z?= =?us-ascii?Q?Mp2la4WdEGuig3lxMMk=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR11MB4845.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: =?us-ascii?Q?QxfP9EtY4qwCstSH4xn1sU88LgFUbOd6XjwHVi/LznXY7rPSBiJstsVgMV5I?= =?us-ascii?Q?JB3Lssb8Z+N1FGGhrRRVp9AvVLWbnMl8uC2u5+URKCHknNyhsBOyqKSN7hkZ?= =?us-ascii?Q?sLqh9ZxoJ6wfDCb7SdpBg/9WcQR89sMFC2+rwLwCG+ZkPR0ZknlFM5LHeUr1?= =?us-ascii?Q?+1tb29b0olBYwctKGQV3MnEoKD7bNAvqJbAaPmXGpZertyUTdGRf3a6WVVCC?= =?us-ascii?Q?LuYRJWU3gjceK58rLKL6DA8xU10tw+ZxRKe7WbAbiyGi/hmNyX1h2UP43A1R?= =?us-ascii?Q?ApxUoEaaENw9fnHFB0PqbLX6SaolsMT0/kQRb2l2b1/eebVxQa3rsECk6Kla?= =?us-ascii?Q?FZSofF65ZOMAHdQOAf/qRgLyNoMVSA07EqsgtH4Ek8LqPB57dLrl6JsAvaQ/?= =?us-ascii?Q?lFIRJAmrqW0zbf3vCqIKWrUfoL4PnLP70DbbOZSkys5KfnQ9rWC6mnap7hOF?= =?us-ascii?Q?fCO+gmCLEjy9halcZYcjP8l3N3/YrC18DdgtDL3fE9WrlRttbRyjnV348S1b?= =?us-ascii?Q?oz59qgCmBzIAQ59MfoKEX9vMSubLVUupEnowwz0TsBhsw67mCjby3s9qG1Q4?= =?us-ascii?Q?0jSfpd+BfXKkS+58ibHsi/eBMewHOpsZ8fTdv+A//zx6PCT02JeKyWAqcyy2?= =?us-ascii?Q?1Nzc9NUFokzRkm058cQtPulBZB/UUjee9ZIQ/FYuD2zQH9JFnqwXrpkFpfSm?= =?us-ascii?Q?YwTEsMBk84r1wFxGov5Iu8xuboyceY2ESeadg84aAn0wL9wiKZd4a5pvu9XE?= =?us-ascii?Q?WRBOp90AeGlLI2vzIkgId6oqxIGis2Wl/5MzrPmUzcf1HvZyl46T2d9FW1eG?= =?us-ascii?Q?frgqVPeb1NuyfHgp9KbDGS5feQEeO/J6Gs+v7v6mofVeDfqK3t0zRL4C8+sS?= =?us-ascii?Q?st26fizaatcURcCIkJsSFdQHTwc9VZPqz4uQlHUfUVRH897OQGp4whcHNsxI?= =?us-ascii?Q?MQ/AixftfoMU9IuhlLGQPObPAhpjmvUQUSKAjAsVW0Rxlm4DBwvq7seSMVHd?= =?us-ascii?Q?QHMkNgGYmvFraGa8r7s4QOGNRA6D7rQ56SM1tBCjudS5PbEE+mNG7Sh6z3NR?= =?us-ascii?Q?USnjrttrII4y/8PJ+n496OoP+3qqojc/tOjgAKK6Wswt5QhnLJbUgjNoZhS9?= =?us-ascii?Q?+zZbvjIEpwNP6t+MJKr600Bxoo0dLcRRThuMtVXajcDwot/NcWIriu8ARcvX?= =?us-ascii?Q?SZffSLXaKgZK8FqiXNcBvcafxj1TbfW69I+rTjM54DzFm6SMufkyB2Z9jZkt?= =?us-ascii?Q?kkt43hekdCAnKGoqDHlDrvTmvwiNBB7Iqmpayb1C90AC8/9LPbkkhuPaXvdB?= =?us-ascii?Q?tUU9d9I7Em4J9xeHOU9rXpYVaMx3AsPvpWHgO6BqE35amDv0bE3DAJyEguEW?= =?us-ascii?Q?uvWhAsCAbSZXtsSF+pZBEraVSWD+I2+WBQEcJBA6mox4PcdT03TW4QViC/GW?= =?us-ascii?Q?OqzBIrKUMNET9bnVJ6ZkBTZVT1NbRt4+KVY7JgGXAAVnocgv2vOJChztysyx?= =?us-ascii?Q?W5hv7EzmnOAngTfIv9sYu1blrFk5QSt9yJfL5LX9dvpoVzpfA/qicTfU50gO?= =?us-ascii?Q?SOBL2Wha7g13fUIAimUFNFHkRG2SFIXgBBVi3+PKbnvpj3rXaQfHUCfHDzqu?= =?us-ascii?Q?ooRcSOVKs8b5iWnw1Wu3sGgVG6bcAMrJiaLaLrlCrzeB1pwUgJo7ErVKQ7C5?= =?us-ascii?Q?AF/7VwkiUpjAJxoiDo/5raPFNXnvxsgUa0jTLF6wW0Q/O7PA/p42EOTIe2Ry?= =?us-ascii?Q?cdvAXvqzMg=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 7126ead2-cf0a-4ae9-fe9f-08de6d29b11d X-MS-Exchange-CrossTenant-AuthSource: SJ0PR11MB4845.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Feb 2026 07:04:56.9038 (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: BhSYreldBTN1skDSiQaFn7Jn5DDdmkbSnKuG1R9pb0I4GTfxbyrzx75T5ytVv4Sga87l4cYzBbAcpm1lycawVA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR11MB5240 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" This patchset improves DSC handling during DP MST mode validation by enabling modes requiring compression when DSC passthrough is available. It also fixes a missing slice count validation. Imre Deak (4): drm/i915/dp: Add missing slice count check during mode validation drm/i915/dp: Export intel_dp_compute_min_compressed_bpp_x16() drm/i915/dp_mst: Track min link BPP as x16 fixed-point during mode validation drm/i915/dp_mst: Allow modes requiring compression for DSC passthrough drivers/gpu/drm/i915/display/intel_dp.c | 13 +++++++---- drivers/gpu/drm/i915/display/intel_dp.h | 2 ++ drivers/gpu/drm/i915/display/intel_dp_mst.c | 24 ++++++++++++++++----- 3 files changed, 30 insertions(+), 9 deletions(-) -- 2.49.1