linux-kernel - 回复: [PATCH] staging: media: starfive: Add multiple resolution support

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Message-ID:
 <ZQ0PR01MB1302A3ABE95897046ED4F502F2BA2@ZQ0PR01MB1302.CHNPR01.prod.partner.outlook.cn>
Date: Fri, 9 Aug 2024 08:29:30 +0000
From: Changhuang Liang <changhuang.liang@...rfivetech.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>
CC: Hans Verkuil <hverkuil-cisco@...all.nl>, Laurent Pinchart
	<laurent.pinchart@...asonboard.com>, Jack Zhu <jack.zhu@...rfivetech.com>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-staging@...ts.linux.dev" <linux-staging@...ts.linux.dev>
Subject:
 回复: [PATCH] staging: media: starfive: Add multiple resolution support

Hi, Hans

> Add multiple resolution support for video "capture_raw" device. Otherwise it
> will capture the wrong image data if the width is not 1920.
> 

Can you help to review this patch, Thanks for your times.

Regards,
Changhuang

> Fixes: e080f339c80a ("media: staging: media: starfive: camss: Add capture
> driver")
> 
> Signed-off-by: Changhuang Liang <changhuang.liang@...rfivetech.com>
> ---
>  drivers/staging/media/starfive/camss/stf-capture.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/media/starfive/camss/stf-capture.c
> b/drivers/staging/media/starfive/camss/stf-capture.c
> index ec5169e7b391..9e853ff2596a 100644
> --- a/drivers/staging/media/starfive/camss/stf-capture.c
> +++ b/drivers/staging/media/starfive/camss/stf-capture.c
> @@ -177,9 +177,12 @@ static void stf_channel_set(struct stfcamss_video
> *video)  {
>  	struct stf_capture *cap = to_stf_capture(video);
>  	struct stfcamss *stfcamss = cap->video.stfcamss;
> +	struct v4l2_pix_format *pix;
>  	u32 val;
> 
>  	if (cap->type == STF_CAPTURE_RAW) {
> +		pix = &video->active_fmt.fmt.pix;
> +
>  		val = stf_syscon_reg_read(stfcamss, VIN_CHANNEL_SEL_EN);
>  		val &= ~U0_VIN_CHANNEL_SEL_MASK;
>  		val |= CHANNEL(0);
> @@ -193,7 +196,7 @@ static void stf_channel_set(struct stfcamss_video
> *video)
>  		val |= PIXEL_HEIGH_BIT_SEL(0);
> 
>  		val &= ~U0_VIN_PIX_CNT_END_MASK;
> -		val |= PIX_CNT_END(IMAGE_MAX_WIDTH / 4 - 1);
> +		val |= PIX_CNT_END(pix->width / 4 - 1);
> 
>  		stf_syscon_reg_write(stfcamss, VIN_INRT_PIX_CFG, val);
>  	} else if (cap->type == STF_CAPTURE_YUV) {
> --
> 2.25.1