From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from OS8PR02CU002.outbound.protection.outlook.com (mail-japanwestazon11022102.outbound.protection.outlook.com [40.107.75.102]) (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 A53C22DCBF7; Fri, 21 Nov 2025 02:55:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.75.102 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763693735; cv=fail; b=Rk5AcLovEevqtm2UuaAsQiRb8H+6LC5d4TzHDgwxut9DyeubgBZRJzm1IgMEX4AESnDR8Jv3+z9tXxLUpiwjKzXJ9fzUewOxzQlTdoGs7VWKQZLeYylQP8nuaMqWyyyrLU5va7Z6n+/EtLMgkGAtTICCTDzoRxvG4Kpw/b3s0L4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763693735; c=relaxed/simple; bh=0CzbiWbutPXwUOTH3dQGoNWBgM22VAhmzyvupynSlSU=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=FW7KsdPzxr/Diq0gy8x/MEtBRofh0nwk+L4u4b1eXdw4yNSTe0nn/YIH3NIcFchdztXdhHJYLfel/dUVW7IwINxqsjs3Lbty0reu/EWQnyZ2qC2RLORhaCpPmjyXxfnrKiT6taDoPJxW5GMv+eyDLFTBbnMJ+muIDW42GK49Ttk= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amlogic.com; spf=pass smtp.mailfrom=amlogic.com; dkim=pass (2048-bit key) header.d=amlogic.com header.i=@amlogic.com header.b=R7PMvT+W; arc=fail smtp.client-ip=40.107.75.102 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amlogic.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amlogic.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amlogic.com header.i=@amlogic.com header.b="R7PMvT+W" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Hc5c0lghkKOotUpRefgmU8+7JJTH3co9hVT9xpqKKWetPZVGI17J+F0lIF6ThdIzbW0c4VtZ9FdozAmHF4NSqF2q+kGL1uh02DdfMN8Sk5B4iUiaf6k5bwLJHMnkuZSN7g6lRQts4p+bpnez8+XOxn6NS4PpBpPJ/9Lc97sDiyBC9kXKN3CzJqbRBw4EQAlOhs7M6Uu0NWsI1+iTjcvWi1sobhMUUqdnsebEVO65ctudROQCD+idNIY+b2BUH5kxWOgsYLBIB958xxddiVdzxEPrGhDe24EGJzxPdqWPuniYRR34DtnLpFgbezgiCgVrS7XHSi4QcHH5GYQUcWV5Jg== 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=b6bAiq3Ex2yizmgrTm2sbk8l0WQLVR0JX9Hc6yK9LF8=; b=Ndf7lMkoYXbtAb9KzR8SjA4SMzagTub3Il0Gg+DdzhcsRjGM04wYp23+BjKTQ1lj852T1teVhUK132Vvb0JdT79GNbb5wU2MnHUuqWmNGNaPNENpp8bfkd4RIC0ytgBfuqIyywjI3WT4mzSJA8L59BZ87PzhsSpvMaM/2j/UT2gkbToBqafFI8dYGNhO4oS9tlbA48Jh1iUi54fH5Mv0/NRpZMVTaCoTKuVrXv2WXU03zYqMCb/W4gA54ZbbbeMTtK6HH/PZ0zFX8zUyb0QPMd/FYSgEkDwzrMu/AMeJyo23rhW1BSLwbeWX0eRZFuT4oUKS4QWJNfBeJ2K+5WAkgA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amlogic.com; dmarc=pass action=none header.from=amlogic.com; dkim=pass header.d=amlogic.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amlogic.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=b6bAiq3Ex2yizmgrTm2sbk8l0WQLVR0JX9Hc6yK9LF8=; b=R7PMvT+WYw546ngGd/XdaDWn1DBtJ7n9cx5CQrSB8jQmC+RNCwgzADyI9+9GE4EXo7adjrHnhFplKSSgBZ/Q2Slt5MM/OW/fRx8RuuRSyjdnV7HFZ0wWejwTmKt08zMNbAM6e8djMm2TDUm+wLeE3kvuS681EClGMvjDjwBQW6+m1XP9tTKdOSYOiiqkWXYQovS4ryXw1S2LBpNpIIzbd7sqKfn90AnRsA3fMpyr8C9Wc3EKss1uuvxENL8dYnD1HrivogXdq1c2zbCFnXS3OtR/5wr9W8Ws88r0/qx7HaPWp7a31lvOmfh/IlIqAon8/d2xkmdr1uPYWI7Wa1GQ1A== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amlogic.com; Received: from TYZPR03MB7155.apcprd03.prod.outlook.com (2603:1096:400:33e::5) by KUZPR03MB9382.apcprd03.prod.outlook.com (2603:1096:d10:2e::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9343.10; Fri, 21 Nov 2025 02:55:29 +0000 Received: from TYZPR03MB7155.apcprd03.prod.outlook.com ([fe80::8d2f:b8cd:fdec:5724]) by TYZPR03MB7155.apcprd03.prod.outlook.com ([fe80::8d2f:b8cd:fdec:5724%4]) with mapi id 15.20.9320.018; Fri, 21 Nov 2025 02:55:29 +0000 Message-ID: Date: Fri, 21 Nov 2025 10:55:26 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/11] dt-bindings: display: meson-dw-hdmi: Add compatible for S4 HDMI controller To: Piotr Oniszczuk , Chuan Liu Cc: Neil Armstrong , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250110-drm-s4-v1-0-cbc2d5edaae8@amlogic.com> <20250110-drm-s4-v1-1-cbc2d5edaae8@amlogic.com> <3AC316FA-A633-4B6C-81BA-CCCA290E7F03@gmail.com> <8c3b9fa4-326e-4791-8154-07b268faa132@amlogic.com> <7703796D-35D4-4AD2-B7F8-B75D2BE0F7AD@gmail.com> From: Ao Xu In-Reply-To: <7703796D-35D4-4AD2-B7F8-B75D2BE0F7AD@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: TYCP286CA0258.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:455::6) To TYZPR03MB7155.apcprd03.prod.outlook.com (2603:1096:400:33e::5) 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: TYZPR03MB7155:EE_|KUZPR03MB9382:EE_ X-MS-Office365-Filtering-Correlation-Id: d40038ee-c9dc-46bb-2ba7-08de28a96dc2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|366016|376014|42112799006|13003099007|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?WG1PTUl1cFloRFk3UFgzc21wV2ZVT1ZoSlFDRHlZOXBGVnh3UkQ5VGhxOVRC?= =?utf-8?B?clE0K3ZienBidjJoR2JDVjZtWG1lanUzTkMzR2RwOE8vS0c3cVp5ZG1ISmRU?= =?utf-8?B?a01JaFBoQVlGTXR5VTB1Mys4ZWtWalAzU2NySzBXSW1ubUdBSGJ1bUFvS3U1?= =?utf-8?B?am1CclZ4alRtV0ZkMnJPRVFiOUp4d2l1amVJN25ZUXNEbTJ2ZGJFL29HTHVr?= =?utf-8?B?OGVmSTdTSHEwUzQ5eWR5YmM3SnhVTUxWNkZ2S1V4enJjL3YrNk5HM0RkZjRC?= =?utf-8?B?ZXF5cWxndk1heWVIMUFOaithSFBsbGNhWXh2NXIxbDUyMU9RK3k2ZTNWREda?= =?utf-8?B?Q20xNFBIMEVWbFdkVEtyanJUdElnZEduMDlWdk44NXRrMWh0ZjdBWFA5RXVT?= =?utf-8?B?b3FaWHAwUXQweXNySFoxbk9WTFNqQytDV3NOV3c2aUErTnk5QWJhNUlvOVFR?= =?utf-8?B?TGFxcXFObmhPZDk2Q3ZZV295eXdmUmdLUklWeTF2UDF0OUhhcmdYMTJJY1pD?= =?utf-8?B?VjJjNmxXVWZDUUJBV3hXZnlPTWNPTkg3VlI0blkrMFZzc2ovbDYwYjBnQ2lW?= =?utf-8?B?M2xFdHJWOUxiaFAzamhrRzZUcUs3M2R4UUxBMk9aMk9tRERVSHpkUkVVWjA0?= =?utf-8?B?RFliRjlWdjB0cEV5dWlDcHNPQ0JYM2ZqdzlHdkp4bWdBZ1hiMXBLVmJScFJu?= =?utf-8?B?d1J1S3lHYWpiZTRJcXBqOUFxc1VSSTg3OXRreEV5M3ZRbndqYUZCVnhtSHd2?= =?utf-8?B?am9tZUtjMS8rZkxHMHQxTFBRek0rNVJNdzgyMGl4TmxyMmdYWUdSeHNZMXE2?= =?utf-8?B?dnE1TllTZDJudjVTaDBCRjYrYkpDWmZFSWZZOFdyeDVUaUpOQzFSd0NlT1gr?= =?utf-8?B?RDBnM0EwZ2JwRHVzd3ZCVlF3N2hFT2NqUVZ6UjFBMklBSjlRNkVVUzlqUFVK?= =?utf-8?B?M0NzK1lDcGI3Ym9leXhBU1gvNCtXUTNhWlpGSks3MGMxWHVpajNOcFF2em1Q?= =?utf-8?B?empyVklZVXM0eGtQWnhQQlJXd1ZBQ3pjZmEyNW1OdUJhM0lZSXcvWWxwd01j?= =?utf-8?B?c0lVZ3k3YmVxalNPSnJiVFpnK3Q1ZFVmSzBTZW1EZFlieEhiUEJqaEFHcXRv?= =?utf-8?B?bjZ2cy8wV1NOY2tic1BJUkF5cUlmTGJHTnlVYXdhZ29LeDJjVjFLVVFFTVk1?= =?utf-8?B?SjFzTnZ5NHNUVk1lNEg0MFpnNkZBcVF4UWllanY5Q2IrMjJIMy8yRE5VRmJZ?= =?utf-8?B?c3R0NVhxbS8zdGY0dG5RTTh2WVlENEJyUUg0VEc5ZUtjZ1czVE9zQnA0MWJV?= =?utf-8?B?T2R6Wk1sanNWeWEwa3U4NmFpZVZhOGg4U0ZWOGU2SUFGUXFkdXlQbVkvL1BZ?= =?utf-8?B?OU9neWlwQUhXWldqR1M5M0RYc2tpWG4wVXpmSlJpOTM1dnVsM2ZZdUhoWnF1?= =?utf-8?B?Rmc4UDkrcFBqRjBTSHNIK3k3SXd3ZFVlTmdsVGJJZ2c5YXE0eVNYRU9uM1FB?= =?utf-8?B?SXJZK1hUTkQxTWJ6cFRXNDZpbTZMcWRHZUd3VVdFYWtZU3A3QVJUaUtDY1U0?= =?utf-8?B?K1NjWVhuR1ppdDRLNWFldlZKOTF4UCs1eUYxeVcvRnZFTzBQVVEwVmRjZmd0?= =?utf-8?B?SkE0UXNSdm5KdHRONjhqZVc1YzU0M3NOdk1jM1A4Y0RPc2dYYThDck54Z2dM?= =?utf-8?B?TkVzaEl6TVYwZi9FQzFGRHp3R250ZDRETEZHYWRtYS9kU0ltWnZhUDJkVFE0?= =?utf-8?B?ZmxXRzI4c254NjJrdXJ2Vk1Tek1RNGxRcHpObzI1WUZJdk0yZ3BLSUJHRmpp?= =?utf-8?B?L0xGMG9JaXdSZ24rY0JBTXNlZlpjR1pQUjc2QnFKdFpzbU82dUlaMFN1bTEx?= =?utf-8?B?VUwxaC9wZXlXTExFQm45OUV0YzdhMWozZ0x0d3ZkOHJwZ0E9PQ==?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:TYZPR03MB7155.apcprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(366016)(376014)(42112799006)(13003099007)(7053199007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZGkrZXlBaXVTNFh5YkV3Q1BHOXkxTkdZREJaZE1vU3M5V09hdnU4eW5KeWNa?= =?utf-8?B?QjBJbnZxMUlwZkY4bWhXWkp2anBmbkR0N1hWSzUxS1FCdFhsZ2wwL0lENW9m?= =?utf-8?B?SW1BNzl4L0s3TC9SSjBrL0VIRGFBTVNUNzJmOXI0THRUWlJBRUlRKzRDci9C?= =?utf-8?B?OW9nRFBBYmJHN1VsL3JNd0loY0tvMWFwVFBHUVpsT0RMcXBXS3d4aWpHL3FG?= =?utf-8?B?bHNQWU5abURtcGFLM3dSV3NVTWgwWXJTa004eDVVYjFaU0RsVFZmMW50MEY2?= =?utf-8?B?R0N5RUM3RHVRTVlMeXFlZllkMDhTQ1pRUko1SUJwUzZtOStRNEYzaWdvRlU4?= =?utf-8?B?MWJ5aWIzSG9sQmtISG80Y1hLUS9kQ000Y2xmKzgzMm10UjhLaVNjM0hpemFD?= =?utf-8?B?V3lUSzJSZmxDaWI4Nk9KQ3hXbHhySTFBUGhuTUhuYnZuZ2tvbUI2d3owSWkr?= =?utf-8?B?SW9hL2VSMGM3eXVMUlhZNHQyV3BzaHIzOUlaVjM0Q3c2MEd0WjlPaWhXaWQ0?= =?utf-8?B?d0pYT2VpV01ya0kvdDVkM1JjbjJ3WnQzOGh2Y2lBU0pmdXdvMCt0bDhjVnlR?= =?utf-8?B?dDZSWEZJYjlRalFyZWs4STNPNTYyN3prZFIyL2Y1a3E4d3krS3R2YzlOTXB0?= =?utf-8?B?cFhDR2g4aGxHSmozWWFmTHQ1RUU1dEhqV0VZd0dzOFVsMWJpYzZEQW5BRHVX?= =?utf-8?B?eVc5eCt1cDByeFRYMVl6UitxQ1dlcGxFT2xLMW15YUhiZG9rSWd6K2o0QmFS?= =?utf-8?B?N3VSeDIzREVwZ2Y4MDhxbS9veFhCWmNIWjB4ZTdVTkx4Z2pFOTFEaVRrYSt4?= =?utf-8?B?L3NEYjhVc0NIVS9KQllWeWR1M3MwbHZwMU5MdzhoWEoxcFdRTVV2aVovS3Bh?= =?utf-8?B?MVlkQ2JTaHhWY1IxZTV6Y3Y0ODU3S1REc0NxMUxHYmYwM0R4ajEyemQ4Nk1C?= =?utf-8?B?K3dFcWhPam9zUUhBTVJPNU5BRjUydmpsbHRSL1dRSGx2QTgzRHF1NnVBTWpV?= =?utf-8?B?eW1KY1kyejBzWFRWNHg0V3MwY2N4Mzh2Q3pPS0QxTXJXRFpRdDVoOExKaTBm?= =?utf-8?B?R2pkU09CZVZxSXp5Zy9aVHk3K2JSRVlHN3lTMVM1dTZldWtKOEtPVkUyazVK?= =?utf-8?B?SkFuVXE1WHk3M1A1WTJPMTdMZ0FhbVVTR2VUYklIOXRLZkVNVGFXZTZsUU5B?= =?utf-8?B?eG5vWi9NKzdUajNzazl6ZmgzUEs0YlhONFZTaElST3hMdzVORmVmTDhOeUE1?= =?utf-8?B?MWZxVTMzNFBVS0VmWCtmZEZxazA2RzY4LzlMZ1I4Y2xYZWgwT1NES3ZOQnNG?= =?utf-8?B?Ly94QlR5eHNCaldLY21keVFNbUNPd000b2tMOThKWURlRHhkZmxRMTVtdGph?= =?utf-8?B?MWpkbm10UXdzWXduendMcTB4emk2VVJhWFM1Q0c5VEY5VFpMKzB6UlR0WHFh?= =?utf-8?B?ZmlOWWpxRmdObTV4WjhDSGpiTG1uZDVDYnNQVk53WGZDSzgxQkRyRVF1czI4?= =?utf-8?B?czN6aUFPSmJLQkc5SnFHNzNRRWI1K0tqQWN0NTMwMkUwb0txTlZzZGx1TWJv?= =?utf-8?B?czZ5bGc1Yzhzcmw4em1aR3VLVkFaOFBRSVVhdHVFYnpyK0d0OWM5SjJjb1Zn?= =?utf-8?B?LzZtZmliSEZkKzlmS1lDZ1ZnVmNnTzE3b2dUMnF0VzRqaEJkM1lhako2TDQ5?= =?utf-8?B?SXBQWk1IWUZ1ZHVGelFuYi93NlBmc3BjL2R3RnVMWU1xUi9ZVUdVZVRJNkw2?= =?utf-8?B?eHM5OHdNZWRadVBwZ3RFSTBuNG1JOHgxMHVOMnowSGJWUlpCK1RpMzYxc2ln?= =?utf-8?B?eWZEc1VQVm9HU3R3M3lSTXdwaFBOVlhUU2RtV0lMY1R5R0h6ZGM4WEd6L3Jo?= =?utf-8?B?RjYyT2gzS3J1Z1VBcUxOSEVFcjVobXJHMWdpMXd6c2RyMzRObXJ1MVpLVU53?= =?utf-8?B?b3JwcFJ0RFRrQUhpS2VQbytIVnE1bThoV1E5QkE3RE12QXU5djlpdHZuT2M3?= =?utf-8?B?YlRtMTNFc0JQUWpmei8rQlpHWjdWdE91SFdEWXdTTXl0TlJsNWMvdU81cjVE?= =?utf-8?B?MkgrT1g2VENzN0x2QWNweXJoVFFJRk03NllSQldqOG43TXRKdHNBaHN2cUZ4?= =?utf-8?Q?P6VmV6WdcNXAjBZsrFhdiONEo?= X-OriginatorOrg: amlogic.com X-MS-Exchange-CrossTenant-Network-Message-Id: d40038ee-c9dc-46bb-2ba7-08de28a96dc2 X-MS-Exchange-CrossTenant-AuthSource: TYZPR03MB7155.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Nov 2025 02:55:29.1314 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0df2add9-25ca-4b3a-acb4-c99ddf0b1114 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Sv434kV8uKt/gC/SQPh4Un4sMWNBCvo75UN3KMI1BSz7xuo8jXIQkho3ByQQFBSuav/NEhi7rr3P24bla3/9Og== X-MS-Exchange-Transport-CrossTenantHeadersStamped: KUZPR03MB9382 Hi Piotr，     I will check this issue 在 2025/11/19 18:27, Piotr Oniszczuk 写道: > [You don't often get email from piotr.oniszczuk@gmail.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > [ EXTERNAL EMAIL ] > > Pls see inline > >> Wiadomość napisana przez Chuan Liu w dniu 19 lis 2025, o godz. 03:57: >> >> Hi Piotr, >> >> >> On 11/18/2025 10:50 PM, Piotr Oniszczuk wrote: >>> [You don't often get email from piotr.oniszczuk@gmail.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] >>> [ EXTERNAL EMAIL ] >>> Ao, >>> Is there any chance to get this s4 drm hdmi series for current 6.18? >>> (i tried backport this series to 6.18 but have some issues with reparent vpu_0_sel to sysclk_b_sel) >> Why do we need to reparent vpu_0_sel to sysclk_b_sel? is there any >> background here? > Well - it looks it is because bug.... > Martin Blumenstingl had perfect eye and catch typo in patch https://lore.kernel.org/all/20250110-drm-s4-v1-11-cbc2d5edaae8@amlogic.com/: > > By replacing: > assigned-clock-parents = <&clkc_periphs CLKID_FCLK_DIV3>, > <0>, /* Do Nothing */ > <&clkc_periphs CLKID_VPU_0>, > <&clkc_periphs CLKID_FCLK_DIV4>, > <0>, /* Do Nothing */ > <&clkc_periphs CLKID_VAPB_0>; > > with: > assigned-clock-parents = <&clkc_pll CLKID_FCLK_DIV3>, > <0>, /* Do Nothing */ > <&clkc_periphs CLKID_VPU_0>, > <&clkc_pll CLKID_FCLK_DIV4>, > <0>, /* Do Nothing */ > <&clkc_periphs CLKID_VAPB_0>; > > dmesg is like this https://termbin.com/6020 > > So i'm getting hdmi working - but only when device boots _without_ connected hdmi at boot (and connected later) > If hdmi is connected at boot - boot hangs at: > > 0.341676] meson-dw-hdmi fe300000.hdmi-tx: Detected HDMI TX controller v2.01a with HDCP (meson_dw_hdmi_phy) > [ 0.342750] meson-dw-hdmi fe300000.hdmi-tx: registered DesignWare HDMI I2C bus driver > [ 0.343660] meson-drm ff000000.vpu: bound fe300000.hdmi-tx (ops meson_dw_hdmi_ops) > [ 0.344832] [drm] Initialized meson 1.0.0 for ff000000.vpu on minor 0 > > FYI: It is after applying https://patchwork.kernel.org/project/linux-amlogic/cover/20250110-drm-s4-v1-0-cbc2d5edaae8@amlogic.com/ on mainline 6.18 (with some my adjustments on this series required by changes in 6.18). > For VPU clk changes see https://github.com/warpme/minimyth2/blob/master/script/kernel/linux-6.18/files/0312-drm-meson-add-vpu-clk-setting-for-S4.patch > It is 6.18 adaptation of https://patchwork.kernel.org/project/linux-amlogic/patch/20250110-drm-s4-v1-9-cbc2d5edaae8@amlogic.com/ > > As kernel hangs - i have limited caps to drill where root cause is. > > Maybe above hang is reason of my backports or missing any pre-req required to get s4 drm working? > Anyway - it will be good to test with updated to 6.18 series of Add DRM support for Amlogic S4 (plus info about any pre-req required to get s4 drm working) > > >> The vpu_clk on S4 doesn't support sysclk_b_sel as one of its >> selectable clock sources, so this reparent operation will definitely >> fail. This has nothing to do with the kernel version. >> >>>> Wiadomość napisana przez Ao Xu via B4 Relay w dniu 10 sty 2025, o godz. 06:39: >>>> >>>> From: Ao Xu >>>> >>>> Add devicetree document for S4 HDMI controller >>>> >>>> Signed-off-by: Ao Xu >>>> --- >>>> Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml | 1 + >>>> 1 file changed, 1 insertion(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml >>>> index 84d68b8cfccc86fd87a6a0fd2b70af12e51eb8a4..6e0a8369eee915fab55af24d450a6c40e08def38 100644 >>>> --- a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml >>>> +++ b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml >>>> @@ -55,6 +55,7 @@ properties: >>>> - const: amlogic,meson-gx-dw-hdmi >>>> - enum: >>>> - amlogic,meson-g12a-dw-hdmi # G12A (S905X2, S905Y2, S905D2) >>>> + - amlogic,meson-s4-dw-hdmi # S4 (S905Y4) >>>> >>>> reg: >>>> maxItems: 1 >>>> >>>> -- >>>> 2.43.0 >>>> >>>> >>>> >>>> _______________________________________________ >>>> linux-amlogic mailing list >>>> linux-amlogic@lists.infradead.org >>>> http://lists.infradead.org/mailman/listinfo/linux-amlogic >>> _______________________________________________ >>> linux-amlogic mailing list >>> linux-amlogic@lists.infradead.org >>> http://lists.infradead.org/mailman/listinfo/linux-amlogic