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

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Message-ID: <1c5ad030-86dc-4971-b14c-07e9a38f938e@xs4all.nl>
Date: Fri, 9 Aug 2024 10:48:18 +0200
From: Hans Verkuil <hverkuil-cisco@...all.nl>
To: Changhuang Liang <changhuang.liang@...rfivetech.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: 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: Re: 回复: [PATCH] staging: media: starfive: Add multiple resolution support

On 09/08/2024 10:29, Changhuang Liang wrote:
> 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.

Patch looks OK, it will be part of my next 'various fixes' Pull Request.

Regards,

	Hans

> 
> 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