linux-kernel - Re: [PATCH v1, 7/8] media: uapi: Init VP9 stateless decode params

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Date:   Thu, 27 Jan 2022 17:23:56 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Andrzej Pietrasiewicz <andrzej.p@...labora.com>
Cc:     Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Tzung-Bi Shih <tzungbi@...omium.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        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>,
        George Sun <george.sun@...iatek.com>,
        Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Irui Wang <irui.wang@...iatek.com>,
        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, srv_heupstream@...iatek.com,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v1, 7/8] media: uapi: Init VP9 stateless decode params

Hi,

On Thu, Jan 27, 2022 at 10:56 AM Yunfei Dong <yunfei.dong@...iatek.com> wrote:
>
> Init some of VP9 frame decode params to default value.
>
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>

Maybe add

Fixes: b88dbe38dca8 ("media: uapi: Add VP9 stateless decoder controls")

> ---
>  drivers/media/v4l2-core/v4l2-ctrls-core.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> index 54abe5245dcc..b25c77b8a445 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> @@ -112,6 +112,7 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx,
>         struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
>         struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quant;
>         struct v4l2_ctrl_vp8_frame *p_vp8_frame;
> +       struct v4l2_ctrl_vp9_frame *p_vp9_frame;
>         struct v4l2_ctrl_fwht_params *p_fwht_params;
>         void *p = ptr.p + idx * ctrl->elem_size;
>
> @@ -152,6 +153,13 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx,
>                 p_vp8_frame = p;
>                 p_vp8_frame->num_dct_parts = 1;
>                 break;
> +       case V4L2_CTRL_TYPE_VP9_FRAME:
> +               p_vp9_frame = p;
> +               p_vp9_frame->profile = 0;
> +               p_vp9_frame->bit_depth = 8;
> +               p_vp9_frame->flags |= V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING |
> +                       V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING;
> +               break;
>         case V4L2_CTRL_TYPE_FWHT_PARAMS:
>                 p_fwht_params = p;
>                 p_fwht_params->version = V4L2_FWHT_VERSION;
> --
> 2.25.1
>