linux-kernel - Re: [PATCH v4,6/6] media: mtk-vcodec: Support MT8192 H264 4K encoding

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Date:   Mon, 24 May 2021 10:39:18 +0800
From:   Irui Wang <irui.wang@...iatek.com>
To:     Tzung-Bi Shih <tzungbi@...gle.com>
CC:     Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tomasz Figa <tfiga@...gle.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Maoguang Meng <maoguang.meng@...iatek.com>,
        "Longfei Wang" <longfei.wang@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>,
        "Yunfei Dong" <yunfei.dong@...iatek.com>,
        Fritz Koenig <frkoenig@...omium.org>,
        Tzung-Bi Shih <tzungbi@...omium.org>,
        <linux-media@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v4,6/6] media: mtk-vcodec: Support MT8192 H264 4K
 encoding

On Fri, 2021-05-21 at 16:06 +0800, Tzung-Bi Shih wrote:
> On Fri, May 21, 2021 at 3:02 PM Irui Wang <irui.wang@...iatek.com> wrote:
> >         fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
> > -       fsize->stepwise = mtk_venc_framesizes;
> > +       fsize->stepwise =
> > +               (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) ?
> > +               mtk_venc_4k_framesizes : mtk_venc_hd_framesizes;
> 
> Use a normal if .. else .. is more readable.
if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
	fsize->stepwise = mtk_venc_4k_framesizes;
else
	fsize->stepwise = mtk_venc_hd_framesizes;

> 
> > @@ -1210,6 +1231,9 @@ int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
> >  {
> >         const struct v4l2_ctrl_ops *ops = &mtk_vcodec_enc_ctrl_ops;
> >         struct v4l2_ctrl_handler *handler = &ctx->ctrl_hdl;
> > +       const u8 h264_max_level =
> > +               (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) ?
> > +               V4L2_MPEG_VIDEO_H264_LEVEL_5_1 : V4L2_MPEG_VIDEO_H264_LEVEL_4_2;
> Again, I would like it to be a normal if .. else ..
u8 h264_max_level;
if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE)
	h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_5_1;
else
	h264_max_level = V4L2_MPEG_VIDEO_H264_LEVEL_4_2;

Patch V5 will be sent with these if there is no more comments.