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Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by PA2PR04MB10088.eurprd04.prod.outlook.com (2603:10a6:102:40e::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9499.7; Mon, 12 Jan 2026 09:44:12 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::4609:64af:8a4b:fd64]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::4609:64af:8a4b:fd64%6]) with mapi id 15.20.9499.005; Mon, 12 Jan 2026 09:44:12 +0000 Message-ID: Date: Mon, 12 Jan 2026 17:44:58 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/5] drm/bridge: simple-bridge: Add DPI color encoder support To: Francesco Dolcini Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch References: <20250304101530.969920-1-victor.liu@nxp.com> <20260112093127.GA121274@francesco-nb> Content-Language: en-US From: Liu Ying In-Reply-To: <20260112093127.GA121274@francesco-nb> Content-Type: text/plain; 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A DPI color encoder simply converts input DPI color coding to >> output DPI color coding, like Adafruit Kippah DPI hat[1] which converts >> input 18-bit pixel data to 24-bit pixel data(with 2 low padding bits in >> every color component though). A real use case is that NXP i.MX93 11x11 >> EVK[2] and i.MX93 9x9 QSB[3] boards may connect a 24-bit DPI panel through >> the Adafruit Kippah DPI hat. The display pipeline is >> >> i.MX93 LCDIF display controller(RGB888) -> >> i.MX93 parallel display format configuration(RGB666) -> >> on-board Raspiberry Pi compatible interface(RPi)(RGB666) -> >> Adafruit Kippah DPI hat(RGB888 with 2 low padding bits in color components) -> >> 24-bit "ontat,kd50g21-40nt-a1" DPI panel > > > Any update/progress/plan on this patch series? It seems that neither Rob nor Maxime likes the whole idea of this bridge. So I don't have any plan to proceed with this patch series. > > Thanks, > Francesco > -- Regards, Liu Ying