linux-kernel - Re: [PATCH v7 4/5] media: platform: mediatek: isp: add mediatek ISP3.0 camsv

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Message-ID: <0e14e1d92be90c838ab097268a3674b38d48e51a.camel@mediatek.com>
Date: Tue, 26 Nov 2024 02:07:35 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: "mchehab@...nel.org" <mchehab@...nel.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "robh@...nel.org" <robh@...nel.org>,
	Andy Hsieh (謝智皓) <Andy.Hsieh@...iatek.com>,
	Julien Stephan <jstephan@...libre.com>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "laurent.pinchart@...asonboard.com"
	<laurent.pinchart@...asonboard.com>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"paul.elder@...asonboard.com" <paul.elder@...asonboard.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "fsylvestre@...libre.com"
	<fsylvestre@...libre.com>, "pnguyen@...libre.com" <pnguyen@...libre.com>
Subject: Re: [PATCH v7 4/5] media: platform: mediatek: isp: add mediatek
 ISP3.0 camsv

Hi, Julien:

On Thu, 2024-11-21 at 09:53 +0100, Julien Stephan wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> From: Phi-bang Nguyen <pnguyen@...libre.com>
> 
> This driver provides a path to bypass the SoC ISP so that image data
> coming from the SENINF can go directly into memory without any image
> processing. This allows the use of an external ISP.
> 
> Signed-off-by: Phi-bang Nguyen <pnguyen@...libre.com>
> Signed-off-by: Florian Sylvestre <fsylvestre@...libre.com>
> [Paul Elder fix irq locking]
> Signed-off-by: Paul Elder <paul.elder@...asonboard.com>
> Co-developed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Co-developed-by: Julien Stephan <jstephan@...libre.com>
> Signed-off-by: Julien Stephan <jstephan@...libre.com>
> ---

[snip]

> +static const u32 mtk_cam_mbus_formats[] = {
> +       MEDIA_BUS_FMT_SBGGR8_1X8,
> +       MEDIA_BUS_FMT_SGBRG8_1X8,
> +       MEDIA_BUS_FMT_SGRBG8_1X8,
> +       MEDIA_BUS_FMT_SRGGB8_1X8,
> +       MEDIA_BUS_FMT_SBGGR10_1X10,
> +       MEDIA_BUS_FMT_SGBRG10_1X10,
> +       MEDIA_BUS_FMT_SGRBG10_1X10,
> +       MEDIA_BUS_FMT_SRGGB10_1X10,
> +       MEDIA_BUS_FMT_SBGGR12_1X12,
> +       MEDIA_BUS_FMT_SGBRG12_1X12,
> +       MEDIA_BUS_FMT_SGRBG12_1X12,
> +       MEDIA_BUS_FMT_SRGGB12_1X12,
> +       MEDIA_BUS_FMT_UYVY8_1X16,
> +       MEDIA_BUS_FMT_VYUY8_1X16,
> +       MEDIA_BUS_FMT_YUYV8_1X16,
> +       MEDIA_BUS_FMT_YVYU8_1X16,
> +};
> +

Format in mtk_cam_mbus_formats[] is more than mtk_cam_format_info[].
I would like these two to be consistent.
Reduce mtk_cam_mbus_formats[] or enlarge mtk_cam_format_info[].
Once these two are consistent, they could be merged into one array.

Regards,
CK

> +static const struct mtk_cam_format_info mtk_cam_format_info[] = {
> +       {
> +               .fourcc = V4L2_PIX_FMT_SBGGR8,
> +               .code = MEDIA_BUS_FMT_SBGGR8_1X8,
> +               .bpp = 8,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_SGBRG8,
> +               .code = MEDIA_BUS_FMT_SGBRG8_1X8,
> +               .bpp = 8,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_SGRBG8,
> +               .code = MEDIA_BUS_FMT_SGRBG8_1X8,
> +               .bpp = 8,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_SRGGB8,
> +               .code = MEDIA_BUS_FMT_SRGGB8_1X8,
> +               .bpp = 8,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_YUYV,
> +               .code = MEDIA_BUS_FMT_YUYV8_1X16,
> +               .bpp = 16,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_YVYU,
> +               .code = MEDIA_BUS_FMT_YVYU8_1X16,
> +               .bpp = 16,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_UYVY,
> +               .code = MEDIA_BUS_FMT_UYVY8_1X16,
> +               .bpp = 16,
> +       }, {
> +               .fourcc = V4L2_PIX_FMT_VYUY,
> +               .code = MEDIA_BUS_FMT_VYUY8_1X16,
> +               .bpp = 16,
> +       },
> +};
> +

>