linux-kernel - Re: [PATCH v4 00/12] AV1 stateless decoder for RK3588

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Message-ID: <CAAEAJfCeZSqE0GhHMM8wNFjzF7ktJje_mOnBhcq_qc76WtaJWQ@mail.gmail.com>
Date:   Sat, 18 Feb 2023 10:16:28 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc:     p.zabel@...gutronix.de, mchehab@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, heiko@...ech.de,
        hverkuil@...all.nl, nicolas.dufresne@...labora.com,
        jernej.skrabec@...il.com, linux-media@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: Re: [PATCH v4 00/12] AV1 stateless decoder for RK3588

Hi Nicolas, Benjamin,

On Tue, Feb 14, 2023 at 11:06 AM Benjamin Gaignard
<benjamin.gaignard@...labora.com> wrote:
>
> This series implement AV1 stateless decoder for RK3588 SoC.
> The hardware support 8 and 10 bits bitstreams up to 7680x4320.
> AV1 feature like film grain or scaling are done by the postprocessor.
> The driver can produce NV12_4L4, NV12_10LE40_4L4, NV12 and P010 pixels formats.
> Even if Rockchip have named the hardware VPU981 it looks like a VC9000 but
> with a different registers mapping.
>
> It is based on Daniel's "[PATCH v6] media: Add AV1 uAPI" patches [1] and my
> own series to fix 10 bits handling in verisilicon driver "[PATCH v8 0/6]
> media: verisilicon: HEVC: fix 10bits handling" [2].
>
> The full branch can be found here:
> https://gitlab.collabora.com/linux/for-upstream/-/commits/rk3588_av1_decoder_v4
>
> Fluster score is: 200/239 while testing AV1-TEST-VECTORS with GStreamer-AV1-V4L2SL-Gst1.0.
> The failing tests are:
> - the 2 tests with 2 spatial layers: few errors in luma/chroma values
> - tests with resolution < hardware limit (64x64)
> - 10bits film grain test: bad macroblocks while decoding, the same 8bits
>   test is working fine.
>

I did some review of the commits that affect the generic Hantro driver,
it looks quite clean!

I'll send some R-b soon.

Thanks,
Ezequiel

> Changes in v4:
> - Squash "Save bit depth for AV1 decoder" and "Check AV1 bitstreams bit
>   depth" patches.
> - Double motion vectors buffer size.
> - Fix the various errors reported by Hans.
>
> Changes in v3:
> - Fix arrays loops limites.
> - Remove unused field.
> - Reset raw pixel formats list when bit depth or film grain feature
>   values change.
> - Enable post-processor P010 support
>
> Changes in v2:
> - Remove useless +1 in sbs computation.
> - Describe NV12_10LE40_4L4 pixels format.
> - Post-processor could generate P010.
> - Fix comments done on v1.
> - The last patch make sure that only post-processed formats are used when film
>   grain feature is enabled.
>
> Benjamin
>
> [1] https://patchwork.kernel.org/project/linux-media/patch/20230214124254.13356-1-daniel.almeida@collabora.com/
> [2] https://www.spinics.net/lists/linux-media/msg226954.html
>
> Benjamin Gaignard (11):
>   dt-bindings: media: rockchip-vpu: Add rk3588 vpu compatible
>   media: Add NV12_10LE40_4L4 pixel format
>   media: verisilicon: Get bit depth for V4L2_PIX_FMT_NV12_10LE40_4L4
>   media: verisilicon: Add AV1 decoder mode and controls
>   media: verisilicon: Check AV1 bitstreams bit depth
>   media: verisilicon: Compute motion vectors size for AV1 frames
>   media: verisilicon: Add AV1 entropy helpers
>   media: verisilicon: Add Rockchip AV1 decoder
>   media: verisilicon: Add film grain feature to AV1 driver
>   media: verisilicon: Enable AV1 decoder on rk3588
>   media: verisilicon: Conditionally ignore native formats
>
> Nicolas Dufresne (1):
>   v4l2-common: Add support for fractional bpp
>
>  .../bindings/media/rockchip-vpu.yaml          |    1 +
>  .../media/v4l/pixfmt-yuv-planar.rst           |    4 +
>  drivers/media/platform/verisilicon/Makefile   |    3 +
>  drivers/media/platform/verisilicon/hantro.h   |    8 +
>  .../media/platform/verisilicon/hantro_drv.c   |   68 +-
>  .../media/platform/verisilicon/hantro_hw.h    |  102 +
>  .../platform/verisilicon/hantro_postproc.c    |    9 +-
>  .../media/platform/verisilicon/hantro_v4l2.c  |   67 +-
>  .../media/platform/verisilicon/hantro_v4l2.h  |    5 +-
>  .../verisilicon/rockchip_av1_entropymode.c    | 4424 +++++++++++++++++
>  .../verisilicon/rockchip_av1_entropymode.h    |  272 +
>  .../verisilicon/rockchip_av1_filmgrain.c      |  401 ++
>  .../verisilicon/rockchip_av1_filmgrain.h      |   36 +
>  .../verisilicon/rockchip_vpu981_hw_av1_dec.c  | 2234 +++++++++
>  .../verisilicon/rockchip_vpu981_regs.h        |  477 ++
>  .../platform/verisilicon/rockchip_vpu_hw.c    |  134 +
>  drivers/media/v4l2-core/v4l2-common.c         |  149 +-
>  drivers/media/v4l2-core/v4l2-ioctl.c          |    1 +
>  include/media/v4l2-common.h                   |    2 +
>  include/uapi/linux/videodev2.h                |    1 +
>  20 files changed, 8301 insertions(+), 97 deletions(-)
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_av1_entropymode.c
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_av1_entropymode.h
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_av1_filmgrain.c
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_av1_filmgrain.h
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c
>  create mode 100644 drivers/media/platform/verisilicon/rockchip_vpu981_regs.h
>
> --
> 2.34.1
>