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From: Marek Vasut <marex@denx.de>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org, "Guido Günther" <agx@sigxcpu.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 3/7] dt-bindings: display: mxsfb: Add a bus-width endpoint property
Date: Wed, 7 Oct 2020 10:40:26 +0200	[thread overview]
Message-ID: <7b8df7af-5ca8-708b-4975-2fdf4280116f@denx.de> (raw)
In-Reply-To: <20201007012438.27970-4-laurent.pinchart@ideasonboard.com>

On 10/7/20 3:24 AM, Laurent Pinchart wrote:

[...]

> +          bus-width:
> +            enum: [16, 18, 24]
> +            description: |
> +              The output bus width. This value overrides the configuration
> +              derived from the connected device (encoder or panel). It should
> +              only be specified when PCB routing of the data signals require a
> +              different bus width on the LCDIF and the connected device. For
> +              instance, when a 18-bit RGB panel has its R[5:0], G[5:0] and
> +              B[5:0] signals connected to LCD_DATA[7:2], LCD_DATA[15:10] and
> +              LCD_DATA[23:18] instead of LCD_DATA[5:0], LCD_DATA[11:6] and
> +              LCD_DATA[17:12], bus-width should be set to 24.

The iMX6 IPUv3 uses interface-pix-fmt which is a bit more flexible, but
I'm not sure whether it's the right way to go about this, see:
Documentation/devicetree/bindings/display/imx/fsl-imx-drm.txt
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  reply	other threads:[~2020-10-07 15:40 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-07  1:24 [PATCH v2 0/7] drm: mxsfb: Allow overriding bus width Laurent Pinchart
2020-10-07  1:24 ` [PATCH v2 1/7] dt-bindings: display: mxsfb: Convert binding to YAML Laurent Pinchart
2020-10-07  8:32   ` Marek Vasut
2020-10-07  8:43     ` Lucas Stach
2020-10-07  8:55       ` Marek Vasut
2020-10-07 13:33         ` Laurent Pinchart
2020-10-07 14:20           ` Marek Vasut
2020-10-07 16:00   ` Rob Herring
2020-10-07 16:02     ` Rob Herring
2020-10-09 23:52     ` Laurent Pinchart
2021-01-15  7:59   ` Martin Kepplinger
2021-01-15 22:25     ` Laurent Pinchart
2021-01-16  6:41       ` Martin Kepplinger
2020-10-07  1:24 ` [PATCH v2 2/7] dt-bindings: display: mxsfb: Add and fix compatible strings Laurent Pinchart
2020-10-07  8:35   ` Marek Vasut
2020-10-07 16:01   ` Rob Herring
2020-10-07  1:24 ` [PATCH v2 3/7] dt-bindings: display: mxsfb: Add a bus-width endpoint property Laurent Pinchart
2020-10-07  8:40   ` Marek Vasut [this message]
2020-10-09 23:58     ` Laurent Pinchart
2020-10-10  8:47       ` Marek Vasut
2020-10-13  2:06         ` Laurent Pinchart
2020-10-13 11:03           ` Marek Vasut
2020-10-07 16:03   ` Rob Herring
2020-10-07  1:24 ` [PATCH v2 4/7] ARM: dts: imx: Fix LCDIF compatible strings Laurent Pinchart
2020-10-07  1:24 ` [PATCH v2 5/7] arm64: dts: imx8mq: " Laurent Pinchart
2020-10-07  1:24 ` [PATCH v2 6/7] ARM: dts: imx: Remove unneeded LCDIF disp_axi clock Laurent Pinchart
2020-10-07  1:24 ` [PATCH v2 7/7] drm: mxsfb: Add support for the bus-width DT property Laurent Pinchart
2020-10-10  0:01 ` [PATCH v2 8/7] dt-bindings: display: mxsfb: Add compatible for i.MX8MM Laurent Pinchart

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