linux-kernel - Re: [RFC V2 1/2] media: hantro: Add support for i.MX8M Mini

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Message-ID: <CAAEAJfBBFhRtW2wmoA6T+yyM-nurUbtPqYHKPHjeRdKzA34PcQ@mail.gmail.com>
Date:   Wed, 1 Dec 2021 09:25:22 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-media <linux-media@...r.kernel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Tim Harvey <tharvey@...eworks.com>,
        Nicolas Dufresne <nicolas@...fresne.ca>,
        Adam Ford-BE <aford@...conembedded.com>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        "open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>
Subject: Re: [RFC V2 1/2] media: hantro: Add support for i.MX8M Mini

Hi Adam,

On Tue, 30 Nov 2021 at 22:33, Adam Ford <aford173@...il.com> wrote:
>
> The i.MX8M Mini has a similar implementation of the Hantro G1 and
> h decoders, but the Mini uses the vpu-blk-ctrl for handling the
> VPU resets through the power domain system.  As such, there are
> functions present in the 8MQ that are not applicable to the Mini
> which requires the driver to have a different compatible flags.
>
> Signed-off-by: Adam Ford <aford173@...il.com>
>
> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
> index fb82b9297a2b..2aa1c520be50 100644
> --- a/drivers/staging/media/hantro/hantro_drv.c
> +++ b/drivers/staging/media/hantro/hantro_drv.c
> @@ -592,6 +592,8 @@ static const struct of_device_id of_hantro_match[] = {
>         { .compatible = "rockchip,rk3399-vpu", .data = &rk3399_vpu_variant, },
>  #endif
>  #ifdef CONFIG_VIDEO_HANTRO_IMX8M
> +       { .compatible = "nxp,imx8mm-vpu", .data = &imx8mm_vpu_variant, },
> +       { .compatible = "nxp,imx8mm-vpu-g2", .data = &imx8mm_vpu_g2_variant },
>         { .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
>         { .compatible = "nxp,imx8mq-vpu-g2", .data = &imx8mq_vpu_g2_variant },
>  #endif
> diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
> index 267a6d33a47b..ae7c3fff760c 100644
> --- a/drivers/staging/media/hantro/hantro_hw.h
> +++ b/drivers/staging/media/hantro/hantro_hw.h
> @@ -211,6 +211,8 @@ enum hantro_enc_fmt {
>         ROCKCHIP_VPU_ENC_FMT_UYVY422 = 3,
>  };
>
> +extern const struct hantro_variant imx8mm_vpu_g2_variant;
> +extern const struct hantro_variant imx8mm_vpu_variant;
>  extern const struct hantro_variant imx8mq_vpu_g2_variant;
>  extern const struct hantro_variant imx8mq_vpu_variant;
>  extern const struct hantro_variant px30_vpu_variant;
> diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> index ea919bfb9891..c68516c00c6d 100644
> --- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
> +++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> @@ -242,6 +242,32 @@ static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = {
>         },
>  };
>
> +static const struct hantro_codec_ops imx8mm_vpu_codec_ops[] = {
> +       [HANTRO_MODE_MPEG2_DEC] = {
> +               .run = hantro_g1_mpeg2_dec_run,
> +               .init = hantro_mpeg2_dec_init,
> +               .exit = hantro_mpeg2_dec_exit,
> +       },
> +       [HANTRO_MODE_VP8_DEC] = {
> +               .run = hantro_g1_vp8_dec_run,
> +               .init = hantro_vp8_dec_init,
> +               .exit = hantro_vp8_dec_exit,
> +       },
> +       [HANTRO_MODE_H264_DEC] = {
> +               .run = hantro_g1_h264_dec_run,
> +               .init = hantro_h264_dec_init,
> +               .exit = hantro_h264_dec_exit,
> +       },
> +};
> +
> +static const struct hantro_codec_ops imx8mm_vpu_g2_codec_ops[] = {
> +       [HANTRO_MODE_HEVC_DEC] = {
> +               .run = hantro_g2_hevc_dec_run,
> +               .init = hantro_hevc_dec_init,
> +               .exit = hantro_hevc_dec_exit,
> +       },
> +};
> +

I believe you are missing VP9, which explains why you get
a zero fluster score.

Thanks,
Ezequiel