Re: [PATCH] media: mediatek: vcodec: Fix v4l2 compliance decoder cmd test fail

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Le mercredi 06 avril 2022 à 09:20 +0800, Yunfei Dong a écrit :
> Will return -EINVAL using standard framework api when test stateless
> decoder with cmd VIDIOC_(TRY)DECODER_CMD.
> 
> Using another return value to adjust v4l2 compliance test for user
> driver(GStreamer/Chrome) won't use decoder cmd.
> 
> Fixes: 8cdc3794b2e3 ("media: mtk-vcodec: vdec: support stateless API")
> Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>

Acked-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>

> ---
> changes compared with v2:
> - add reviewed-by tag
> changes compared with v1:
> - add Fixes: tag
> ---
>  drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> index 3859e4c651c6..69b0e797d342 100644
> --- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
> @@ -51,8 +51,7 @@ static int vidioc_try_decoder_cmd(struct file *file, void *priv,
>  
>  	/* Use M2M stateless helper if relevant */
>  	if (ctx->dev->vdec_pdata->uses_stateless_api)
> -		return v4l2_m2m_ioctl_stateless_try_decoder_cmd(file, priv,
> -								cmd);
> +		return -ENOTTY;
>  	else
>  		return v4l2_m2m_ioctl_try_decoder_cmd(file, priv, cmd);
>  }





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