Re: [PATCH v2, 05/12] media: mtk-vcodec: Call v4l2_m2m_set_dst_buffered() set capture buffer buffered

[Tzung-Bi Shih <tzungbi@google.com>]

On Tue, Dec 28, 2021 at 05:41:39PM +0800, Yunfei Dong wrote:
> From: Yunfei Dong <yunfei.dong@mediatek.corp-partner.google.com>

Same as 4th patch.  Please fix it.

> For lat and core architecture, just need to get output buffer for lat
> decode. For core hardware need to get lat's message and capture buffer.
> In order to let lat and core decode in parallel, need to set capture
> buffer buffered.

I think the description should be rephrased.

I may misunderstand but something like the template:
"""
OUTPUT -> lat -> core -> CAPTURE.  Lat and core can work in parallel.

Sets capture buffer buffered to ...
"""

> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
> index 5aebf88f997b..23a154c4e321 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
> @@ -314,6 +314,9 @@ static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
>  	src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
>  				 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
>  
> +	if (ctx->dev->vdec_pdata->hw_arch != MTK_VDEC_PURE_SINGLE_CORE)
> +		v4l2_m2m_set_dst_buffered(ctx->m2m_ctx, 1);

s/1/true/ helps readability.