From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B1A53269D18; Mon, 12 Jan 2026 09:31:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.194.8.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768210295; cv=none; b=LwR8nL7jO/2SLbikRydVFfiw/AilY3qQ2Ch6Alr5VOFzLKY2Dab7uaEwmxsk8TAN+XIeMiO9V97gZpR5KtlYS07Z+/xtKtbgrh97z9aYKHbE88UblT9H47+tzzgVmMj0cRzJhh56WYSa0xriuszyY6GoUetBEk1U2Im+ezkT9F8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768210295; c=relaxed/simple; bh=EfmYhSCAL08r8vyHCGXsH/rCCkZL8BxEgHrDsSFGrx8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hjxyi6dRueSQkkNFc3/wAzlOIB4otLwbmtXk6rF/WiFDleIDxOm+Y+7mjwwVi291SRKmPROnejW3k/Bj4b4CuayMzbbhKsSTkmAexOAvqK+58KBqBpFqd6tox30EiVgdT4yfVNK5AMcswTknKZdGU2AAuRmDfev8uMkF6irkMMI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it; spf=pass smtp.mailfrom=dolcini.it; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b=0Fh48Bkc; arc=none smtp.client-ip=217.194.8.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=dolcini.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=dolcini.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=dolcini.it header.i=@dolcini.it header.b="0Fh48Bkc" Received: from francesco-nb (248.201.173.83.static.wline.lns.sme.cust.swisscom.ch [83.173.201.248]) by mail11.truemail.it (Postfix) with ESMTPA id 39D001FAEB; Mon, 12 Jan 2026 10:31:31 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1768210291; bh=s3LRU1JMOrxpverMraSdvoJOfwQ2d8WQFmbgP0Dj6GY=; h=From:To:Subject; b=0Fh48BkctmxJDE4uLjJyY2eSpFTGZXrrj32Td53w2GYyWjPve4k6tyrJgoPN+t0FX 7QJQporLkHabZaE/w6Bvz+MSmM5z//l7+qw9kiDFUx2qC6GETaT/UUJrEB66otMWqh Kq5oTKt3RckFBEDFV9kw5lmkzC836/VmJcNZk9F1xe95WzN6Wb6pHPCN+Qw1aYzoPN ZIvEONosaEuiQ0BtijjeZCey8ZQb0gbqgNL0okUB3ASbx8GfuuvxnGp6QjtfvgUYEu W3GxcbBucgHWXPg7befFqSSyAjVlK0d3rVKTOMj4cqCXjy7ckqeuQV2n9+OhE0o291 EAWgDIKe+mnXg== Date: Mon, 12 Jan 2026 10:31:27 +0100 From: Francesco Dolcini To: Liu Ying 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 Subject: Re: [PATCH 0/5] drm/bridge: simple-bridge: Add DPI color encoder support Message-ID: <20260112093127.GA121274@francesco-nb> References: <20250304101530.969920-1-victor.liu@nxp.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250304101530.969920-1-victor.liu@nxp.com> Hello Liu, On Tue, Mar 04, 2025 at 06:15:25PM +0800, Liu Ying wrote: > This patch series aims to add DPI color encoder support as a simple DRM > bridge. 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? Thanks, Francesco