linux-kernel - Re: [PATCH 2/2] venus: venc: fix handlig of S_SELECTION and G

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Date:   Fri, 25 Sep 2020 02:09:26 +0300
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     Dikshita Agarwal <dikshita@...eaurora.org>,
        linux-media@...r.kernel.org, stanimir.varbanov@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org
Subject: Re: [PATCH 2/2] venus: venc: fix handlig of S_SELECTION and
 G_SELECTION



On 9/24/20 8:31 PM, Dikshita Agarwal wrote:
> From: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> 
> - return correct width and height for G_SELECTION
> - if requested rectangle wxh doesn't match with capture port wxh
>   adjust the rectangle to supported wxh.
> 
> Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
> ---
>  drivers/media/platform/qcom/venus/venc.c | 20 ++++++++++++--------
>  1 file changed, 12 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index 7d2aaa8..a2cc12d 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -463,13 +463,13 @@ static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
>  	switch (s->target) {
>  	case V4L2_SEL_TGT_CROP_DEFAULT:
>  	case V4L2_SEL_TGT_CROP_BOUNDS:
> -		s->r.width = inst->width;
> -		s->r.height = inst->height;
> -		break;
> -	case V4L2_SEL_TGT_CROP:
>  		s->r.width = inst->out_width;
>  		s->r.height = inst->out_height;
>  		break;
> +	case V4L2_SEL_TGT_CROP:
> +		s->r.width = inst->width;
> +		s->r.height = inst->height;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> @@ -490,10 +490,14 @@ static int venc_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
>  
>  	switch (s->target) {
>  	case V4L2_SEL_TGT_CROP:
> -		if (s->r.width != inst->out_width ||
> -		    s->r.height != inst->out_height ||
> -		    s->r.top != 0 || s->r.left != 0)
> -			return -EINVAL;
> +		if (s->r.width != inst->width ||
> +		    s->r.height != inst->height ||
> +		    s->r.top != 0 || s->r.left != 0) {

In fact the 'if' statement is not needed. Just fill s->r.

> +			s->r.top = 0;
> +			s->r.left = 0;
> +			s->r.width = inst->width;
> +			s->r.height = inst->height;
> +		}
>  		break;
>  	default:
>  		return -EINVAL;
> 

-- 
regards,
Stan