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[147.75.199.223]) by mx.google.com with ESMTPS id 6a1803df08f44-6a15f1d6cedsi165574326d6.28.2024.05.16.04.58.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 May 2024 04:58:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-180962-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223; Authentication-Results: mx.google.com; dkim=pass header.i=@dolcini.it header.s=default header.b=FBeHeafd; arc=pass (i=1 spf=pass spfdomain=dolcini.it dkim=pass dkdomain=dolcini.it dmarc=pass fromdomain=dolcini.it); spf=pass (google.com: domain of linux-kernel+bounces-180962-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) smtp.mailfrom="linux-kernel+bounces-180962-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=dolcini.it Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 4AAC01C21036 for ; Thu, 16 May 2024 11:58:00 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id ED48A145A1D; Thu, 16 May 2024 11:57:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="FBeHeafd" Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C00426AD0; Thu, 16 May 2024 11:57:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715860673; cv=none; b=YuG8ypid//2rilgiegIJnaIrVCR+ydx0feaV60mGIQadUoY6n0dCQpsuKBIpHdxmEL+GItKifVXA2X1p23dEKYEK1xXptv3xxy+v/WM3We7KJKuGOQnzdmnWxa3VN6h4r5I2c98QPP7OWNBU8/aKqNOlZxHzVjX1lmJG12g2p5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715860673; c=relaxed/simple; bh=zb3thMvUhgoGD+gDyV0KsfAFSV/xaogkAu6yb5KZ9No=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hfsi3XAVSvEceUaxFGsjw21YTYZ9jYZOKAQEw249IDz5Z90rR4FGQCX/YzZd+dS/eG66Hw3YM9lJyv2OoSX2TUCPPKjgoRDMUt8qJAG5fI6UVzVSlRrZXs/rrD63vh8kTDcfgnT5Sg4kF/GBTaTyuvEV8h7TiE6gedyBEiqhAa4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=FBeHeafd; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Received: from francesco-nb (31-10-206-125.static.upc.ch [31.10.206.125]) by mail11.truemail.it (Postfix) with ESMTPA id 221DA1F938; Thu, 16 May 2024 13:57:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1715860668; bh=qMf3X2Q4oRj/C7hAFJyFwgIdc7153KsOrkW8sYZ0UHQ=; h=From:To:Subject; b=FBeHeafdXEDBYor8B4j+QLg8SJaTMZrCHWYDfvM801Ild6jZBnK+f4YgEfzdV3vu1 x1af9xBDvgbLpeHwSsz2ClhZrWHzxgrGatUaJtaAClPi99qVT+2BZV+uFK699a11Pp 1cqI/SVUWLB5HIXKiebTyxUXIKLBdy/+76GXxNv1IUrk7BVv3IeSbwk521iDUw2Ima ALnCOd13SMvhewS7IXNONU66iyzGKFOvMI0JIugmyJR4oHxCHmvmQ1QgbYlVdkWqUW KNdqzSjwNNaVBXUKRpiwvvxXmRSeIIVX9us9lfv/2yi6FjSn/s03px5vFu3jKZ+aMp 6ubj+BU1UNmcw== Date: Thu, 16 May 2024 13:57:43 +0200 From: Francesco Dolcini To: Marek Vasut Cc: Francesco Dolcini , linux-arm-kernel@lists.infradead.org, Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, kernel@dh-electronics.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: imx8mp: Enable HDMI on i.MX8MP DHCOM PDK2 and PDK3 Message-ID: <20240516115743.GA6663@francesco-nb> References: <20240514010706.245874-1-marex@denx.de> <20240516080008.GA9338@francesco-nb> <76b3cee8-1fe3-4192-b8c9-7a9c2b7165f0@denx.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <76b3cee8-1fe3-4192-b8c9-7a9c2b7165f0@denx.de> Hello, On Thu, May 16, 2024 at 01:14:04PM +0200, Marek Vasut wrote: > On 5/16/24 10:00 AM, Francesco Dolcini wrote: > > On Tue, May 14, 2024 at 03:06:42AM +0200, Marek Vasut wrote: > > > Enable HDMI output on i.MX8MP DHCOM PDK2 and PDK3. The I2C5 on PDK2 and > > > I2C mux port 1 on PDK3 respectively are used in regular I2C mode instead > > > of HDMI DDC mode to permit connection of other I2C devices on those buses. > > > > Are you able to read the HDMI EDID with such configuration? I have the > > patch ready for verdin imx8mp, I just did not have time to figure out > > this last details. > > Yes with ddc-i2c-bus in hdmi_tx{} node, no with ddc-i2c-bus in connector > node. Maybe that's what you're running into ? The DW HDMI core needs the > ddc-i2c-bus property in hdmi_tx{} node if you use non-native I2C bus for the > DDC channel. Yes, that's it. Thanks! Francesco