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Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by PA1PR04MB11384.eurprd04.prod.outlook.com (2603:10a6:102:4f5::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9052.12; Wed, 20 Aug 2025 03:26:44 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90%5]) with mapi id 15.20.9052.012; Wed, 20 Aug 2025 03:26:43 +0000 Message-ID: <185e3a1f-0d84-460f-a9b3-bc4bdc13e543@nxp.com> Date: Wed, 20 Aug 2025 11:28:14 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/7] drm/bridge: ite-it6232: declare supported infoframes To: Dmitry Baryshkov , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sandy Huang , =?UTF-8?Q?Heiko_St=C3=BCbner?= , Andy Yan , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?UTF-8?Q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org References: <20250816-drm-limit-infoframes-v1-0-6dc17d5f07e9@oss.qualcomm.com> <20250816-drm-limit-infoframes-v1-3-6dc17d5f07e9@oss.qualcomm.com> <9e77615a-9d5b-4971-b1db-74d6bed39533@nxp.com> <24392da1-02f4-4d57-a145-6285d46d3bad@oss.qualcomm.com> From: Liu Ying Content-Language: en-US In-Reply-To: <24392da1-02f4-4d57-a145-6285d46d3bad@oss.qualcomm.com> Content-Type: text/plain; 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>>> it->bridge.vendor = "ITE"; >>> it->bridge.product = "IT6263"; >>> + it->bridge.supported_infoframes = DRM_CONNECTOR_INFOFRAME_AVI; >> >> With supported_infoframes set, the two lines setting vendor and product >> are dead code. I think it's worth dropping them and updating kerneldoc >> for vendor and product members because they don't have to be required if >> DRM_BRIDGE_OP_HDMI is set. But, this could be done with future patch(not >> in this patch series). > > They are still required by the framework itself, see drmm_connector_hdmi_init(). Yes. But it's a bit too strict since SPD infoframe is optional according to CTA standard documentation. > > BTW: I don't have ITE datasheet. Do you know if it really supports only the AVI frame? AFAICS, it seems that ITE6263 supports inforframes from 0x81 to 0x85, so including SPD inforframe. Maybe, just keep those dead vendor&product settings for now and add SPD inforframe in future. > > >> >> Reviewed-by: Liu Ying >> >>> return devm_drm_bridge_add(dev, &it->bridge); >>> } >>> >> >> > > -- Regards, Liu Ying