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 1E3F7C25B74 for ; Thu, 16 May 2024 11:58:13 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UFNrWrEF+fhSkISgVLRO7kuK37OUT7BAF9qyvpqzupY=; b=KGyAEmnjZ9ymbV s4VhIrRH2QYE4JeU/0NylIh3C7k3PbUS4CKRAqf87MedQbKYVW7n37RsrJoPwbzgzzNV869fSbTww rhvqZzYF4bBvGc+l5lNVPrtic5TJ5QA8PiWXdX5LNoM/+ZL92JrVxTWS/h51fkRTpDQrqIfgqhYwq +7+506hUGAkWvuD7rGpDmAhj7ogzXKijqwwxm4szZv278lbgcO/px63lgZ7YPhV8GOY+PLk4Sgo9/ vA2aiFvDEHVTSJXwRCAUMuQDs5ob+10ahBk7KYBC+YaSEjSqIMqO8OcscUo+VzfzJaD8jbamqjvO9 4Qcu4NXvutIw2Uhsz3Cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s7ZkB-00000004gn8-1Sr2; Thu, 16 May 2024 11:57:55 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s7Zk8-00000004gmM-20e4 for linux-arm-kernel@lists.infradead.org; Thu, 16 May 2024 11:57:54 +0000 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> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <76b3cee8-1fe3-4192-b8c9-7a9c2b7165f0@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240516_045752_719971_A06EBEA9 X-CRM114-Status: GOOD ( 14.34 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel