linux-kernel - Re: [PATCH v5 3/4] media: imx8mq-mipi-csi2: Add RGB format support

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Message-ID: <20251026235006.GK13023@pendragon.ideasonboard.com>
Date: Mon, 27 Oct 2025 01:50:06 +0200
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Guoniu Zhou <guoniu.zhou@....com>
Cc: Rui Miguel Silva <rmfrfs@...il.com>,
	Martin Kepplinger <martink@...teo.de>,
	Purism Kernel Team <kernel@...i.sm>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Frank Li <Frank.Li@....com>,
	linux-media@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/4] media: imx8mq-mipi-csi2: Add RGB format support

On Wed, Aug 20, 2025 at 07:04:58PM +0800, Guoniu Zhou wrote:
> Add format RGB565 and RGB24 support.
> 
> Signed-off-by: Guoniu Zhou <guoniu.zhou@....com>
> ---
>  drivers/media/platform/nxp/imx8mq-mipi-csi2.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> index ad7adc677e389e0f35b0cf63195279e197907f8c..529928b94a193e02177f8773a0e68375b59b0a08 100644
> --- a/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> +++ b/drivers/media/platform/nxp/imx8mq-mipi-csi2.c
> @@ -306,6 +306,13 @@ static const struct csi2_pix_format imx8mq_mipi_csi_formats[] = {
>  	}, {
>  		.code = MEDIA_BUS_FMT_UYVY8_1X16,
>  	},
> +	/* RGB formats */
> +	{
> +		.code = MEDIA_BUS_FMT_RGB565_1X16,

There's ongoing discussions regarding what format is appropriate for
CSI-2 RGB565, see
https://lore.kernel.org/all/20251013-csi-bgr-rgb-v4-0-55eab2caa69f@kernel.org/.
Let's see what the outcome will be.

> +	}, {
> +		.code = MEDIA_BUS_FMT_BGR888_1X24,
> +		.output = MEDIA_BUS_FMT_RGB888_1X24,

This looks right.

> +	},
>  };
>  
>  static const struct csi2_pix_format *find_csi2_format(u32 code)

-- 
Regards,

Laurent Pinchart