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 DA5FDE77188 for ; Mon, 6 Jan 2025 17:06:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ve5ETpYH+HZOg9DqLp7h0IrFlBdWMqh/ffo+a35uwPU=; b=JpsH1+5lQMm9c6V4gJnHW/ghaC J71rGBuY/3sqoD8pWdjvjfC35Dc8nnCHdm5wOFcyv92MXbZuO5TDt3TMkpVb6mOl8cSCKqb5ffNKE 2Gt2p1betycKssM+S+WylWmREtuqALF+MUYdIzh24UXfUmx9VAdOLs1bfPI9r+p2HnsMgs1aSX2tr ihaapacsxuttnj90Ge5PpXyjzcoJm4XBHBBC96jsbeT+vHk7SkDtvZeqMylQzS1cCdu6X38Fv8727 gEOymIwxHp21ACz11bPmF6Hw4WbOIC190x7CEZS8Tlsa5EOCDkGFtp2x+M4j08E8Rzn+8oof5NIgr nL72eLAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tUqZ0-0000000249m-2Paw; Mon, 06 Jan 2025 17:06:50 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tUpTO-00000001rki-2j4N for linux-arm-kernel@lists.infradead.org; Mon, 06 Jan 2025 15:57:01 +0000 Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 109D2520; Mon, 6 Jan 2025 16:56:03 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1736178964; bh=m4G4sp/GWSPNBk2U6hQREs4YdXlRNqrxfvcawNfVRKw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pOVTWHMae7VYOpCYkBMbUzkiqGAEKZWPLoCkEBCUJlNZ77Zd4O8jR34HcFsq+jytz JeifhstPX5yXIPbk/xhEZlUTFfL8RvOMri+TRXD4j4gWnsSN6TLmTyici9RIk88BGN vSvZu+vkNCbhdiA8dJfR+AeG+IKfGf+8+39i7VL0= Date: Mon, 6 Jan 2025 17:56:53 +0200 From: Laurent Pinchart To: Marek Vasut Cc: dri-devel@lists.freedesktop.org, Andrzej Hajda , David Airlie , Fabio Estevam , Jernej Skrabec , Jonas Karlman , Liu Ying , Maarten Lankhorst , Maxime Ripard , Neil Armstrong , Pengutronix Kernel Team , Robert Foss , Sascha Hauer , Shawn Guo , Simona Vetter , Stefan Agner , Thomas Zimmermann , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 1/4] drm: bridge: dw_hdmi: Add flag to indicate output port is optional Message-ID: <20250106155653.GG10308@pendragon.ideasonboard.com> References: <20250105190659.99941-1-marex@denx.de> <20250105232219.GC21164@pendragon.ideasonboard.com> <20250106070514.GA5568@pendragon.ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250106_075659_991209_794982C1 X-CRM114-Status: GOOD ( 21.88 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jan 06, 2025 at 04:36:26PM +0100, Marek Vasut wrote: > On 1/6/25 8:05 AM, Laurent Pinchart wrote: > > On Mon, Jan 06, 2025 at 03:48:52AM +0100, Marek Vasut wrote: > >> On 1/6/25 12:22 AM, Laurent Pinchart wrote: > >>> Hi Marek, > >> > >> Hi, > >> > >>> Thank you for the patch. > >>> > >>> On Sun, Jan 05, 2025 at 08:06:03PM +0100, Marek Vasut wrote: > >>>> Add a flag meant purely to work around broken i.MX8MP DTs which enable > >>>> HDMI but do not contain the HDMI connector node. This flag allows such > >>>> DTs to work by creating the connector in the HDMI bridge driver. Do not > >>>> use this flag, do not proliferate this flag, please fix your DTs and add > >>>> the connector node this way: > >>>> > >>>> ``` > >>>> / { > >>>> hdmi-connector { > >>>> compatible = "hdmi-connector"; > >>>> label = "FIXME-Board-Specific-Connector-Label"; // Modify this > >>>> type = "a"; > >>>> > >>>> port { > >>>> hdmi_connector_in: endpoint { > >>>> remote-endpoint = <&hdmi_tx_out>; > >>>> }; > >>>> }; > >>>> }; > >>>> }; > >>>> > >>>> &hdmi_tx { > >>>> ... > >>>> > >>>> ports { > >>>> port@1 { > >>>> hdmi_tx_out: endpoint { > >>>> remote-endpoint = <&hdmi_connector_in>; > >>>> }; > >>>> }; > >>>> }; > >>>> }; > >>>> ``` > >>> > >>> Are there any in-tree DT sources that use the old bindings ? > >> > >> See > >> https://lore.kernel.org/dri-devel/AM7PR04MB704688150ACD5D209290246A98092@AM7PR04MB7046.eurprd04.prod.outlook.com/ > > > > Maybe I'm missing something obvious, but where is the patch series that > > moves the DT sources mentioned in that mail thread to the new bindings ? > > Since this optional flag is added, that DT update series can be done > separately. It can, but I'd like to see it merged in the same time frame as this series, so it should be posted (and reviewed and tested). -- Regards, Laurent Pinchart