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From:   Tzung-Bi Shih <tzungbi@google.com>
Date:   Fri, 21 May 2021 21:38:06 +0800
Message-ID: <CA+Px+wUWncvepPMhRZ7qdMzdeQr+0jnJRPYRY57qedVPM_8+wg@mail.gmail.com>
Subject: Re: [PATCH v5 10/14] media: mtk-vcodec: vdec: support stateless API
To:     Alexandre Courbot <acourbot@chromium.org>
Cc:     Tiffany Lin <tiffany.lin@mediatek.com>,
        Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Dafna Hirschfeld <dafna.hirschfeld@collabora.com>,
        Yunfei Dong <yunfei.dong@mediatek.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        linux-media@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@lists.infradead.org>
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On Wed, May 19, 2021 at 10:31 PM Alexandre Courbot
<acourbot@chromium.org> wrote:
> +#include "media/videobuf2-v4l2.h"
> +#include <media/videobuf2-dma-contig.h>
> +#include <media/v4l2-event.h>
> +#include <media/v4l2-mem2mem.h>
> +#include <linux/module.h>
> +
> +#include "mtk_vcodec_drv.h"
> +#include "mtk_vcodec_dec.h"
> +#include "mtk_vcodec_intr.h"
> +#include "mtk_vcodec_util.h"
> +#include "vdec_drv_if.h"
> +#include "mtk_vcodec_dec_pm.h"

Would be good practice to separate <...> and "..." inclusion and sort them.

> +static void mtk_vdec_worker(struct work_struct *work)
> +{
> +       struct mtk_vcodec_ctx *ctx =
> +               container_of(work, struct mtk_vcodec_ctx, decode_work);
> +       struct mtk_vcodec_dev *dev = ctx->dev;
> +       struct vb2_v4l2_buffer *vb2_v4l2_src, *vb2_v4l2_dst;
> +       struct vb2_buffer *vb2_src;
> +       struct mtk_vcodec_mem *bs_src;
> +       struct mtk_video_dec_buf *dec_buf_src;
> +       struct media_request *src_buf_req;
> +       struct vdec_fb *dst_buf;
> +       bool res_chg = false;
> +       int ret;
> +
> +       vb2_v4l2_src = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
> +       if (vb2_v4l2_src == NULL) {

To be neat, !vb2_v4l2_src.

> +       vb2_v4l2_dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
> +       if (vb2_v4l2_dst == NULL) {

To be neat, !vb2_v4l2_dst.