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Tue, 7 Apr 2026 14:43:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1775565842; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=93hW5u7kA6zQFXa6aVbYkWf1SP6enbNwj09rJ/uKnY0=; b=xpJfVE+DhfpK6BJKwTs6G+k4orXAFM7qXHNM122mw7BmUf/+v8aWArISlO1AxW1py4zL0D l3eDoGsEeqfBg1NKMbO9sgJ4S7D6zRz49ioXvYzduYmPkCOilbY5pk+yTQcDsWpiF8RnXY IvAdF6hzJNMVcF/WwhBVJfWIdcyNRuoSdJfleLTioAxZEyY1+v1FmsBfCjyJ+6cyfJ020Y nnkewI+ugG+AwkXlJxkwrmjE1GtDuuHqFU1LCKorXBcpdBQgApB3iEY9zbt66+ARnv2mi8 OnFqql8fiZh+ZZsIEtR6zuX+LesqN6VQWFDWaZi1M8Rtn2gIZNgpSpvHjWJtHA== Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 07 Apr 2026 14:43:51 +0200 Message-Id: From: "Luca Ceresoli" Subject: Re: [PATCH v3 08/11] drm/bridge: imx8mp-hdmi-tx-connector-fixup: add an hdmi-connector when missing using a DT overlay at boot time Cc: "Damon Ding" , "Kory Maincent (TI.com)" , =?utf-8?q?Herv=C3=A9_Codina?= , "Hui Pu" , "Ian Ray" , "Thomas Petazzoni" , , , , , , "Adam Ford" , "Alexander Stein" , "Christopher Obbard" , "Daniel Scally" , "Emanuele Ghidoli" , "Fabio Estevam" , "Francesco Dolcini" , "Frieder Schrempf" , "Gilles Talis" , =?utf-8?q?Goran_Ra=C4=91enovi=C4=87?= , "Heiko Schocher" , "Josua Mayer" , "Kieran Bingham" , "Marco Felsch" , "Martyn Welch" , "Oleksij Rempel" , "Peng Fan" , "Richard Hu" , "Shengjiu Wang" , "Stefan Eichenberger" , "Vitor Soares" To: "Liu Ying" , "Marek Vasut" , "Stefan Agner" , "Maarten Lankhorst" , "Maxime Ripard" , "Thomas Zimmermann" , "David Airlie" , "Simona Vetter" , "Frank Li" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "Andrzej Hajda" , "Neil Armstrong" , "Robert Foss" , "Laurent Pinchart" , "Jonas Karlman" , "Jernej Skrabec" , "Rob Herring" , "Saravana Kannan" X-Mailer: aerc 0.20.1 References: <20260402-drm-lcdif-dbanc-v3-0-27cd247a0847@bootlin.com> <20260402-drm-lcdif-dbanc-v3-8-27cd247a0847@bootlin.com> <88cf4526-ca8f-4b25-acea-347d92539a2b@nxp.com> In-Reply-To: <88cf4526-ca8f-4b25-acea-347d92539a2b@nxp.com> X-Last-TLS-Session-Version: TLSv1.3 Hello Liu, On Fri Apr 3, 2026 at 11:28 AM CEST, Liu Ying wrote: >> +++ b/drivers/gpu/drm/bridge/imx/imx8mp-hdmi-tx-connector-fixup.dtso >> @@ -0,0 +1,33 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * DTS overlay adding an hdmi-connector node to boards using the imx8mp= hdmi_tx >> + * >> + * Copyright (C) 2026 GE HealthCare >> + * Author: Luca Ceresoli >> + */ >> + >> +/dts-v1/; >> +/plugin/; >> + >> +&{/} { >> + #address-cells =3D <2>; >> + #size-cells =3D <2>; >> + >> + fixup-hdmi-connector { >> + compatible =3D "hdmi-connector"; >> + label =3D "HDMI"; >> + type =3D "a"; >> + >> + port { >> + fixup_hdmi_connector_in: endpoint { >> + remote-endpoint =3D <&hdmi_tx_out>; >> + }; >> + }; >> + }; >> +}; >> + >> +&{/soc@0/bus@32c00000/hdmi@32fd8000/ports/port@1} { >> + hdmi_tx_out: endpoint { >> + remote-endpoint =3D <&fixup_hdmi_connector_in>; >> + }; >> +}; >> > > There is a build warning(W=3D1): > > DTC drivers/gpu/drm/bridge/imx/imx8mp-hdmi-tx-connector-fixup.dtbo > drivers/gpu/drm/bridge/imx/imx8mp-hdmi-tx-connector-fixup.dtso:12.6-27.3:= Warning (avoid_unnecessary_addr_size): /fragment@0/__overlay__: unnecessar= y #address-cells/#size-cells without "ranges", "dma-ranges" or child "reg" = or "ranges" property Ouch, my bad, forgot to run W=3D1 after the last edit. Fix incoming v4, toghether with the other improvements you have suggested. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com