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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Isaac Scott <isaac.scott@ideasonboard.com>
Cc: linux-media@vger.kernel.org, dafna@fastmail.com,
	mchehab@kernel.org, heiko@sntech.de,
	linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/6] media: rkisp1-resizer: Add YUV source formats to resizer
Date: Wed, 4 Feb 2026 18:43:56 +0200	[thread overview]
Message-ID: <20260204164356.GC170964@killaraus> (raw)
In-Reply-To: <20260204112506.3706049-2-isaac.scott@ideasonboard.com>

On Wed, Feb 04, 2026 at 11:25:01AM +0000, Isaac Scott wrote:
> To be able to use YUV bypass, YUV formats need to be available on the
> source pad of the rkisp1 resizer. Add them.
> 
> Signed-off-by: Isaac Scott <isaac.scott@ideasonboard.com>
> ---
>  .../platform/rockchip/rkisp1/rkisp1-resizer.c     | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> index 8e6b753d3081..e72b76ab078c 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> @@ -23,11 +23,26 @@ struct rkisp1_rsz_yuv_mbus_info {
>  };
>  
>  static const struct rkisp1_rsz_yuv_mbus_info rkisp1_rsz_yuv_src_formats[] = {
> +	{
> +		.mbus_code	= MEDIA_BUS_FMT_UYVY8_2X8, /* YUV422 */
> +		.hdiv		= 1,
> +		.vdiv		= 1,
> +	},
> +	{
> +		.mbus_code	= MEDIA_BUS_FMT_VYUY8_2X8, /* YUV422 */
> +		.hdiv		= 1,
> +		.vdiv		= 1,
> +	},
>  	{
>  		.mbus_code	= MEDIA_BUS_FMT_YUYV8_2X8, /* YUV422 */
>  		.hdiv		= 2,
>  		.vdiv		= 1,
>  	},
> +	{
> +		.mbus_code	= MEDIA_BUS_FMT_YVYU8_2X8, /* YUV422 */
> +		.hdiv		= 1,

Shouldn't hdiv be 2 for all those new formats ?

But overall, I don't think those formats are needed. I would be very
surprised if the resizer used different YUV orders on its output bus.
Can't you use MEDIA_BUS_FMT_YUYV8_2X8 unconditionally ?

> +		.vdiv		= 1,
> +	},
>  	{
>  		.mbus_code	= MEDIA_BUS_FMT_YUYV8_1_5X8, /* YUV420 */
>  		.hdiv		= 2,

-- 
Regards,

Laurent Pinchart

  reply	other threads:[~2026-02-04 16:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-04 11:25 [PATCH v1 0/6] media: rkisp1: Add YUV bypass support for rkisp1 Isaac Scott
2026-02-04 11:25 ` [PATCH v1 1/6] media: rkisp1-resizer: Add YUV source formats to resizer Isaac Scott
2026-02-04 16:43   ` Laurent Pinchart [this message]
2026-02-04 11:25 ` [PATCH v1 2/6] media: rkisp1-isp: Add in_bypass flag for YUV bypass Isaac Scott
2026-02-04 17:04   ` Laurent Pinchart
2026-02-04 11:25 ` [PATCH v1 3/6] media: rkisp1-isp: Add target_format Isaac Scott
2026-02-04 11:37   ` Laurent Pinchart
2026-02-04 13:28     ` Isaac Scott
2026-02-04 11:25 ` [PATCH v1 4/6] media: rkisp1-isp: Propagate sink -> source format in YUV passthough Isaac Scott
2026-02-04 15:28   ` Laurent Pinchart
2026-02-04 11:25 ` [PATCH v1 5/6] media: rkisp1: Give buffers back instead of dropping in bypass mode Isaac Scott
2026-02-04 15:40   ` Laurent Pinchart
2026-02-04 16:36     ` Isaac Scott
2026-02-04 11:25 ` [PATCH v1 6/6] media: rkisp1: Treat 8 bus width and 16 bus width formats the same Isaac Scott

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