Re: [PATCH v3 16/19] media: rkvdec: Drop unneeded per_request driver-specific control flag

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Hi Ezequiel,

On 2020-08-14 15:36, Ezequiel Garcia wrote:
> Currently, the drivers makes no distinction between per_request
> and mandatory, as both are used in the same request validate check.
> 
> The driver only cares to know if a given control is
> required to be part of a request, so only one flag is needed.

This patch cause decoding issues with ffmpeg.

The removal of per_request makes DECODE_MODE and START_CODE ctrls
mandatory to be included in the request.

Best regards,
Jonas

> 
> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> ---
>  drivers/staging/media/rkvdec/rkvdec.c | 6 +-----
>  drivers/staging/media/rkvdec/rkvdec.h | 1 -
>  2 files changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c
> index 7c5129593921..cd720d726d7f 100644
> --- a/drivers/staging/media/rkvdec/rkvdec.c
> +++ b/drivers/staging/media/rkvdec/rkvdec.c
> @@ -55,23 +55,19 @@ static const struct v4l2_ctrl_ops rkvdec_ctrl_ops = {
>  
>  static const struct rkvdec_ctrl_desc rkvdec_h264_ctrl_descs[] = {
>  	{
> -		.per_request = true,
>  		.mandatory = true,
>  		.cfg.id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
>  	},
>  	{
> -		.per_request = true,
>  		.mandatory = true,
>  		.cfg.id = V4L2_CID_MPEG_VIDEO_H264_SPS,
>  		.cfg.ops = &rkvdec_ctrl_ops,
>  	},
>  	{
> -		.per_request = true,
>  		.mandatory = true,
>  		.cfg.id = V4L2_CID_MPEG_VIDEO_H264_PPS,
>  	},
>  	{
> -		.per_request = true,
>  		.mandatory = true,
>  		.cfg.id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
>  	},
> @@ -615,7 +611,7 @@ static int rkvdec_request_validate(struct media_request *req)
>  		u32 id = ctrls->ctrls[i].cfg.id;
>  		struct v4l2_ctrl *ctrl;
>  
> -		if (!ctrls->ctrls[i].per_request || !ctrls->ctrls[i].mandatory)
> +		if (!ctrls->ctrls[i].mandatory)
>  			continue;
>  
>  		ctrl = v4l2_ctrl_request_hdl_ctrl_find(hdl, id);
> diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h
> index 2fc9f46b6910..77a137cca88e 100644
> --- a/drivers/staging/media/rkvdec/rkvdec.h
> +++ b/drivers/staging/media/rkvdec/rkvdec.h
> @@ -25,7 +25,6 @@
>  struct rkvdec_ctx;
>  
>  struct rkvdec_ctrl_desc {
> -	u32 per_request : 1;
>  	u32 mandatory : 1;
>  	struct v4l2_ctrl_config cfg;
>  };
> 



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