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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 19C5CC433F5 for ; Wed, 2 Feb 2022 15:59:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xyLJom95ZUg2YzrU1EZwtKgS8w88AEJqw17TJrBsKSM=; b=mkRREx8ZFuFL32zWApUZq6X5zi ltXlu7QHBxVrPy2E4dmlynLu9x0D/PcUz2gzrhoR17hG5gp+uhZKOmUrqPiNjUPnqMQpCTcWXajLq OIV25thJXcakGRY/4KO8GoIp0NnFjSKNpP41iLsMoaqgKZu9JWqsVMzLKPFQZQuGUBpOg5mbEXUDE o8+EsCTqdQUSYeWFZ0fsq4c5DTmj+l7+qeMbjbPVODVoWz9sPeQ8ltiAsOIi+nDTqN73hq2KuOSFt Ezo4EgZFpx69LZV9CH8Zf6v+nI5nNolVKtG66SbKl0CViXZjjGNHn3mPWN7AomTxQunWmI9Dj8qFt t8qzxFSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nFI0n-00G6jD-4g; Wed, 02 Feb 2022 15:57:39 +0000 Received: from mail-zr0che01on20731.outbound.protection.outlook.com ([2a01:111:f403:4023::731] helo=CHE01-ZR0-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nFHxV-00G5gg-Fa for linux-arm-kernel@lists.infradead.org; Wed, 02 Feb 2022 15:54:15 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=T4mjbZVlzO6Eg0aj9r6AcfzDOtR4xLro7I/97GG1yoE5NNQezmxny3PkQD0mBXxRHjC20ZaxgxodC8ZB1du6oF36IxY4UnctmmQytgMiBoQRLrFJYZ7PH7go8HZXXAVTtS/P5SyICge8o/mK03Mt5+9JyV04A+liaWBZfPYWsrHmVgmarR31QVmc/LkvGJy7bmeH6UlGsprj7QgAvQlaNxMrlEzCZ+DrBGle8DgcIVeQw5GqNFQC5DE6FfLIaqbIKe1o3pRIostWTBTo/VE/d4JPffOjlLjxR+wAgj/EEJNGKuj5h1IO7gHV9e3nGE8PGfXvvskG+6//7OKWN4pvMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=XGklpYzQ2puADbwdYs7gbVBC9AZqorFPzVh5+uQakjE=; b=QYdLB9tWcYwAOXUwWf9x6lmtCTqbHuokV3avmGQZaQrClCDsY60rIWF/Px8JGnnOzl92hnpBxq2xkGEGMrGviDylHMDDtRueULWlTfNTyEhWALBP7GJ0aD/LT5AXJC51OchdnTl8gFFc5pHRKGWSzQGw3jkqc4fTyPH9SRGQkj6lThMNax9tND4LroQ8f6pn1KAc3GNTs8w72QdUjp6Tii3rqXQhrYB7poCb89inUL2jBfiLzbU8k15I/zDpm+c7fYEQEhwWOMwzTNuGZB8zcZzPW0y0oZTuNajbMZe3G+1Y26OfOUQPTXy74ixSRo24u4Wh8aaqNLjdDhzIv00BHw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toradex.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=XGklpYzQ2puADbwdYs7gbVBC9AZqorFPzVh5+uQakjE=; b=MoEdikc7F+km1d16SXRUMMpoMj/IucS0ydf+tNfZdHI81sRrP/88cwUbH9m7z1sWkS2E2BIPWAQzLrarym9mVquaJ3v6k541gdd6QM/ZRBqoItNZnJYKovufZNWoWHcZ/2QbLi9CgiP7VMPSjvdprmvHvlSQtqBqGxaa+t7JwEA= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=toradex.com; Received: from ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:4a::9) by ZR0P278MB0650.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:39::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4951.12; Wed, 2 Feb 2022 15:54:10 +0000 Received: from ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM ([fe80::51d6:e688:ee1f:70f1]) by ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM ([fe80::51d6:e688:ee1f:70f1%5]) with mapi id 15.20.4930.022; Wed, 2 Feb 2022 15:54:10 +0000 Subject: Re: [RFC][PATCH] Revert "drm/panel-simple: drop use of data-mapping property" To: Christoph Niedermaier , dri-devel@lists.freedesktop.org Cc: Marek Vasut , Sam Ravnborg , Laurent Pinchart , Maxime Ripard , Philipp Zabel , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-arm-kernel@lists.infradead.org References: <20220201110717.3585-1-cniedermaier@dh-electronics.com> <5374a438-ac8b-05f4-9913-f918ed6aa8c0@toradex.com> From: Denys Drozdov Message-ID: <65ccf910-013e-41e1-5962-032a4da7e06c@toradex.com> Date: Wed, 2 Feb 2022 17:54:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 In-Reply-To: <5374a438-ac8b-05f4-9913-f918ed6aa8c0@toradex.com> Content-Language: en-US X-ClientProxiedBy: FR0P281CA0052.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:48::20) To ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:4a::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b0eec760-315c-4114-3f90-08d9e6644054 X-MS-TrafficTypeDiagnostic: ZR0P278MB0650:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM; PTR:; CAT:NONE; SFS:(13230001)(4636009)(376002)(346002)(396003)(366004)(39850400004)(136003)(186003)(26005)(2616005)(8676002)(66476007)(66556008)(8936002)(38350700002)(38100700002)(66946007)(4326008)(53546011)(31696002)(52116002)(86362001)(6512007)(6506007)(7416002)(6486002)(2906002)(36756003)(44832011)(31686004)(54906003)(316002)(5660300002)(508600001)(45980500001)(43740500002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MURYejY2dDZGYVJ1SFM0a1VIcWpWSHlkdCs3NmJNOXg1QTdETzR6cWJZQlN5?= =?utf-8?B?dWxTTUR6bEwwalk2d2Y5ekphTGQzdGJ0UlF4OFJpUi9iMnFNSDRhTWs5NVpT?= =?utf-8?B?RlNUY0NxcVhjQWpXK1l4WTlrQ1Z5czhsUzZFV29HWEsxMUp1N1dXSzcwNVBL?= =?utf-8?B?cXhuQ2ZqYlc4QXRpa0xReVBRazk5dkZ6QzlsVVhXQlRNaW8xRitmRFdJamI5?= =?utf-8?B?b1pPWHI3ejVDZ0hDZ1BBZVl5R1pjbkJMM25BMlBYNUdST2JTTlZ6WDIrVHVp?= =?utf-8?B?bkJRUXUxcHVoNElQU3JuRjRLbHlmUmhxY0RDaVRBbTdqSHhEMklhQkttUERP?= =?utf-8?B?SWlzd1Y0UTJXMGExR243UHE5YXBjd1lHV2pLMDg1RnlKcXI0bmgwSTQwSzJI?= =?utf-8?B?akwyM3BwbXJJbHN2QWNScnNxVHpaK0FZcEk1WThXNnYwSERlcXN1RnU2ZWJT?= =?utf-8?B?OUdPMjJiUGNwWkhVTmhOSk9ZK3J3dDFPc0ZFSEpOQndPaXp2RnZ5c1M4Zm0w?= =?utf-8?B?dCszblFldGt3SHo5czRjRTFuUGtQWkcwMTdWcEVZUmYwRTQ5VStrZVRwMXJU?= =?utf-8?B?N1VxV3h6ZXNJNHlRZGN1c2VlaWk1eUhsZnZhT0h2azIrU2VUQXJ5Q1dRVTN0?= =?utf-8?B?bVgwZ2Zhb1RXUHFQV2NRbXhWRVZiZStMeUxRVHdrVUx3cEp3S0p2UnNtRm5C?= =?utf-8?B?K3c3T1hTenVvRjNVeXY1MlYvZXRNWWR1T3oyaE9DYVU4eTFXWDFBSTdrcEZI?= =?utf-8?B?aE45TFV3U0ZQeG5qOWVIT2hBSXJrNkFPd1V1T3V5NHp1VEFzYkdGR2RBcjhK?= =?utf-8?B?QlF1SXlPTFZxUldMZkI5OUtLVEhCTTg3NUZXaHA4UEdqOUNjbWhxWUxVckZw?= =?utf-8?B?b25NaC9uSnJOemlvSTMwakNPWnBoekhneENiS21HVHp4ZVg3aWRYanEwSnZy?= =?utf-8?B?QklmU0lRVzVhU3VjTFV0dnhJMVNuLzJTSEI5d1Zta1VrVUlOTWwwVjREbU9F?= =?utf-8?B?aUk5QlFEU0JBNndwUUdQTjN5NkJROXBmejVoc2czWlR2c3Y0SDU5MlA4bG40?= =?utf-8?B?VVBLa3M3M1FRMlQ4MVVhQWhFYzhNclJ1VDZBVmtvUjZBbVdHVTdCYXRXWmpn?= =?utf-8?B?UE1uS2tzL2NCRUJEbmsveVNCWS9WK1ZsbTI2WFd6RGVwMFlkWElZVVJJQ0Y5?= =?utf-8?B?VlJtRWw4bVppUGd2Y0w5VGRFMU41RTVOaUZKc3pxRFVUcGJDcEpieVVKdU1T?= =?utf-8?B?UGxQVDhKa0paVk16UVBmUDcvekNSRXo1bzIzUHNGS1RJZENZTHc0WG50dXk2?= =?utf-8?B?MWJxYmFOL2FVeFlTTHd1VngvQWhZVUNBcEFqTTV3RjZuUy95dDJQdHhEUENL?= =?utf-8?B?d3pyeUM3TktjNzQ3OXZIZFpyb1ZUS1UycS8rVVdsWklxM2doUjJaTjJ3bnNU?= =?utf-8?B?clNkTDVMRnlhMkd1Um5xOUIwTG9wRi83NzZOclNkcWpOTlFrQ25Nak9JNmVx?= =?utf-8?B?cTUvM2ZsNWVxbGFYNTFxNnZrOXNSTVBZSi9CRDJ2Vy9Ha2wyMmJjREd1dWd2?= =?utf-8?B?Q1VLQ0ZUNy9FeWljMzNuWjJ2Rm9iZDc5RkFPZkpid24zcUtjVWxzOTFCS2k4?= =?utf-8?B?cnFiVkZ2Si9mcW5ldHl2dUdQV1dLSnJlNUppdThZNzM5aUZ0MVpEcmRmWkFq?= =?utf-8?B?SlBwRzI4QWZiMWdGZWNzSEEwTWJMWEhBd1d0aTFXckN1OGZCQTYzbnR0MktE?= =?utf-8?B?Zk1ycktZQ3c4Z3pGTXhUZHJuaVZ2SVYvc0ZEcFBJWS9FYkhBa1JaeEhiMXN6?= =?utf-8?B?SDgxODNDVUMxZGNTNjlZQXRldTdCRktKMzZyQU1BSWxjdEhtbFZxVXQ2Q21N?= =?utf-8?B?dGpRbFdLVWpGYTB2eDZsZGxRVmJ4ZHhEY3BlL25XTDlIQWhLeXNWUUlidmRE?= =?utf-8?B?M3JLOEV6NWQvMnVObGtBak5pSkhja1YzTG05Zmd2Q3NyQnNRMUN5ZEJBdXR2?= =?utf-8?B?M3FZTDlXWldRa2F6bXMrOTk5Mmc0bEkvcW56OVRiVHFlNnoyUWZhVEF3TmM4?= =?utf-8?B?WFhXZ05Oa1hWWENXUGVSY093MlpHQXBLejVlWnRwT0trMzV4Y3NUeU5ydm1s?= =?utf-8?B?cmhPVmc1SklmQVZoSWlDN0ltcklUdVFKMjdMdU5hMjQyTnFMVm4wOWx6SERo?= =?utf-8?B?U3dFamZUZkkzMjcwTSs1VGxvOWVQak1Oam8yWVZpTkJreU04dUJIYWUvN1h3?= =?utf-8?B?YXlEZ0htYW11cDdBOUxuWFR4WXhnPT0=?= X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: b0eec760-315c-4114-3f90-08d9e6644054 X-MS-Exchange-CrossTenant-AuthSource: ZRAP278MB0899.CHEP278.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Feb 2022 15:54:10.0654 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: UU8ptdVpZ8o8xLfctx3fYV8FEC9UYn5bF9CmPhBrhcdVawZU2CD+P927+LHt0hpjqTNJuuk4koGJHvg0WEiIQuF/NA80aklWxtQSCZX8mxE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: ZR0P278MB0650 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220202_075413_594537_C48B582A X-CRM114-Status: GOOD ( 14.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > On 2/1/22 1:07 PM, Christoph Niedermaier wrote: >> Without the data-mapping devicetree property my display won't >> work properly. It is flickering, because the bus flags won't >> be assigned without a defined bus format by the imx parallel >> display driver. There was a discussion about the removal [1] >> and an agreement that a better solution is needed, but it is >> missing so far. > Obviously bus format in panel-dpi is broken, so this revert > looks necessary. The current state of panel-dpi isn't consistent > with changes introduced in commit 4a1d0dbc8332231d1d500d7a1d13c45457262a97 >> So what would be the better approach? > Another approach is using panel instead of panel-dpi. >> [1]https://patchwork.freedesktop.org/patch/357659/?series=74705&rev=1 >> >> This reverts commit d021d751c14752a0266865700f6f212fab40a18c. > But, also you need to revert 99f155d0776fb8838e326efce056aa08e25433d0 >> Signed-off-by: Christoph Niedermaier > Tested-by: Denys Drozdov _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel