linux-kernel - Re: [PATCH v4,4/4] media: mediatek: vcodec: using empty lat buffer as the last one

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Date:   Thu, 25 May 2023 10:12:42 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>, Nathan Hebert <nhebert@...omium.org>
Cc:     Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Steve Cho <stevecho@...omium.org>, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v4,4/4] media: mediatek: vcodec: using empty lat buffer as
 the last one

Il 25/05/23 03:40, Yunfei Dong ha scritto:
> Adding one empty lat buffer with parameter 'is_empty_flag = true'
> used to flush core work queue decode.
> 
> Queue the empty lat buffer to core list when driver need to flush decode.
> It's mean core already decode all existed lat buffer when get empty lat
> buffer, then wake up core decode done event, the driver will exit when getting
> core dec done event.
> 
> Fixes: d227af847ac2 ("media: mediatek: vcodec: add core decode done event")
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>