linux-kernel - Re: [PATCH 00/10] media: mtk-vcodec: venc: support for MT8183

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Date:   Mon, 27 Jul 2020 18:06:19 +0900
From:   Alexandre Courbot <acourbot@...omium.org>
To:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Cc:     Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Rui Wang <gtk_ruiwang@...iatek.com>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        Pi-Hsun Shih <pihsun@...omium.org>,
        Maoguang Meng <maoguang.meng@...iatek.com>,
        linux-media <linux-media@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Subject: Re: [PATCH 00/10] media: mtk-vcodec: venc: support for MT8183

Hey, thanks for the review!

On Sun, Jul 26, 2020 at 11:33 PM Ezequiel Garcia
<ezequiel@...guardiasur.com.ar> wrote:
>
> +Enric
>
> Hello Alexandre,
>
> Thanks for the series.
>
> On Wed, 20 May 2020 at 05:27, Alexandre Courbot <acourbot@...omium.org> wrote:
> >
> > This series adds support for the encoder present on MT8183. It is very similar
> > to the one in MT8173, but with different capabilities and using a new firmware
> > interface (SCP, while MT8173 talked to the VPU).
> >
> > So this series starts with some preparatory work by putting the firmware
> > interface behind a small abstraction layer instead of directly talking to the
> > VPU, and by adding support for the SCP firmware. Next platform data is completed
> > with features that differ between the chips, like supported formats and bitrate,
> > before support for MT8183 is added.
> >
> > Alexandre Courbot (6):
> >   media: mtk-vcodec: venc: handle firmware version field
> >   media: mtk-vcodec: venc: specify bitrate range per-chip
> >   media: mtk-vcodec: venc: specify supported formats per-chip
> >   media: mtk-vcodec: venc: remove redundant code
> >   media: dt-bindings: mtk-vcodec: specify SCP node
> >   media: dt-bindings: mtk-vcodec: document mediatek,mt8183-vcodec-enc
> >
> > Yunfei Dong (4):
> >   media: mtk-vcodec: abstract firmware interface
> >   media: mtk-vcodec: add SCP firmware ops
> >   media: mtk-vcodec: venc: support SCP firmware
> >   media: mtk-vcodec: add support for MT8183 encoder
> >
> >  .../bindings/media/mediatek-vcodec.txt        |   9 +-
>
> Would it be possible to add the support in
> arch/arm64/boot/dts/mediatek/mt8183.dtsi ?
>
> Given the driver is stateful it should be possible
> for anyone to test it with standard userspace
> such as GStreamer.

Certainly.

>
> Is it possible for the firmware to be pushed to linux-firmware ?

The firmware is already there:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=3c213aa59661c4641f0c2166a315140ac0445230


>
> Thanks,
> Ezequiel
>
> >  drivers/media/platform/Kconfig                |   2 +
> >  drivers/media/platform/mtk-vcodec/Makefile    |   4 +-
> >  .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  53 ++--
> >  .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   |   1 -
> >  .../platform/mtk-vcodec/mtk_vcodec_drv.h      |  38 ++-
> >  .../platform/mtk-vcodec/mtk_vcodec_enc.c      | 141 ++++-------
> >  .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  | 149 ++++++++----
> >  .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   |   2 -
> >  .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 228 ++++++++++++++++++
> >  .../media/platform/mtk-vcodec/mtk_vcodec_fw.h |  38 +++
> >  .../platform/mtk-vcodec/mtk_vcodec_util.c     |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_h264_if.c   |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_vp8_if.c    |   1 -
> >  .../platform/mtk-vcodec/vdec/vdec_vp9_if.c    |   1 -
> >  .../media/platform/mtk-vcodec/vdec_drv_base.h |   2 -
> >  .../media/platform/mtk-vcodec/vdec_drv_if.c   |   1 -
> >  .../media/platform/mtk-vcodec/vdec_vpu_if.c   |  12 +-
> >  .../media/platform/mtk-vcodec/vdec_vpu_if.h   |  11 +-
> >  .../platform/mtk-vcodec/venc/venc_h264_if.c   |  80 ++++--
> >  .../platform/mtk-vcodec/venc/venc_vp8_if.c    |  11 +-
> >  .../media/platform/mtk-vcodec/venc_drv_if.c   |   1 -
> >  .../media/platform/mtk-vcodec/venc_drv_if.h   |   6 +
> >  .../media/platform/mtk-vcodec/venc_ipi_msg.h  |  24 +-
> >  .../media/platform/mtk-vcodec/venc_vpu_if.c   | 141 ++++++++---
> >  .../media/platform/mtk-vcodec/venc_vpu_if.h   |   8 +-
> >  26 files changed, 711 insertions(+), 255 deletions(-)
> >  create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
> >  create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
> >
> > --
> > 2.26.2.761.g0e0b3e54be-goog
> >