From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8C493D3D18 for ; Wed, 30 Sep 2026 10:43:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790765032; cv=none; b=moLByMHQLtPBwMbVqto6TR7Yt4HYVth9QJH8BxtZPrxlFC0KNI/VAn2ZdGUic+b5IqhQnD/2GqI3HSTWUylGyCWZbizaB+kFYyboWOV2cQDUpuVBsmp0pW7LkIjr2unkBvsKql99tGSZRFZbhWii8usLrHsgWwcjN+MuJ8uUn9w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790765032; c=relaxed/simple; bh=9ayUJ468IBwRfm4IZUJTKdQdOmbu5XIPSAW4+dOlH+Q=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=hgN7oTLYBY7gOPtb+tAKGvPWMfbM8EOMr6Z7wyuUJNPCSyMrNiv/nl8+IZl4NYLU+aeiqX26aWs94iqBAiL8iCfcX6/FrI1BCGRXoZ1hi2OYreTBPtvmgv1IjjHS6QVAVlkwAWSvH+2nwxDiNyuQ22AIz2MrbSi+yZph5Cu0aMA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=uwMIm2Zg; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="uwMIm2Zg" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id AD8261A1075; Wed, 30 Sep 2026 10:43:36 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 79C9160749; Wed, 30 Sep 2026 10:43:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 6EB92103282F2; Wed, 30 Sep 2026 12:43:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1790765014; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=SkK7nzvmdXccAthjxNIG0aZSr8ABcmG303myl+zYPu4=; b=uwMIm2ZgNp+9UTQoK8f6qN0jFJlsClA7TYMdrOhRR30NVVR+4ZdxQGjNgpKEgLZFZW8nIZ SrNoCIqlXzss7mn1ttQ/Qxs9iwIOqGwaiIyHS7f8XJRsoU/PdS3L7SfsaglWWl5EzdiZS2 fKkGKYH+p5A7avdTSZ+Ksneuesud+ZDK58ji934XC/j2wQoha9yjpQq+D1sCwh7KV9K4cl yWQ8zQiO6j8FZv5fMBwbnYrCNdB2ASYJVZK0k16+VvCMtx4suIiKP5ypE9nkNENHEehtFt lpEE48vI9N0KOP0Tc4A9tCy5r4AU1j21Swd8J7sOxaEPlmJPQM9Rfk/zt+9VFg== From: Luca Ceresoli To: Marek Vasut , Stefan Agner , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Francesco Dolcini Cc: Francesco Dolcini , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Andrzej Hajda , Neil Armstrong , Robert Foss In-Reply-To: <20260917140042.118181-1-francesco@dolcini.it> References: <20260917140042.118181-1-francesco@dolcini.it> Subject: Re: (subset) [PATCH v5 0/4] drm: mxsfb: Support LCDIF interface bus width Message-Id: <179076500400.452568.15346989916115503276.b4-ty@b4> Date: Wed, 30 Sep 2026 12:43:24 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 On Thu, 17 Sep 2026 16:00:35 +0200, Francesco Dolcini wrote: > From: Francesco Dolcini > > The width of the physical LCDIF output bus can differ from the input bus > format advertised by the downstream panel or bridge. > > Such a distinction is required when the LCDIF bus width does not match the > width of the downstream display interface. For example, an 18-bit or > 16-bit LCDIF bus can drive a 24-bit display by wiring the available color > bits to the appropriate display inputs. Configuring LCDIF solely from the > display's 24-bit format in this case selects the wrong LCD_DATABUS_WIDTH > mode, changing the color-bit assignment on the LCD_DATA pins and resulting > in incorrect colors. > > [...] Applied, thanks! [1/4] dt-bindings: lcdif: Add endpoint bus-width property commit: 54d28d79d91d85090814fadc39ee050920de84e1 [2/4] drm: mxsfb: Add optional DPI output bus-width configuration commit: aafd4205a75de54cb46458bbc70f35a0be1d7533 Best regards, -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com