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From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: linux-media@vger.kernel.org
Cc: ezequiel@vanguardiasur.com.ar, nicolas.dufresne@collabora.com,
mchehab@kernel.org, robh+dt@kernel.org, mripard@kernel.org,
wens@csie.org, p.zabel@pengutronix.de, andrzej.p@collabora.com,
gregkh@linuxfoundation.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-staging@lists.linux.dev
Subject: Re: [PATCH 0/7] media: hantro: add Allwinner H6 support
Date: Mon, 22 Nov 2021 19:51:19 +0100 [thread overview]
Message-ID: <4666655.GXAFRqVoOG@kista> (raw)
In-Reply-To: <20211122184702.768341-1-jernej.skrabec@gmail.com>
Dne ponedeljek, 22. november 2021 ob 19:46:55 CET je Jernej Skrabec
napisal(a):
> Hi everyone!
>
> Here is patchset which adds support for Hantro G2 core found in Allwinner
> H6 SoC. It is slightly older core, so it needs few quirks to be
> implemented:
> 1. It uses slightly different register layout in some cases. However, those
> differences are small, so it makes sense only to add quirks.
> 2. It doesn't use ring buffer for bitstream as newer variants.
> 3. It needs double buffering to be enabled in order to work correctly.
> 4. postproc must be enabled at the end of the job. It seems that core has
> some issues with latching register values if postproc registers are set
> at the beginning of the job
>
> legacy_regs quirk could be split into 3, like legacy_regs, ring_buffer and
> late_postproc, but I didn't see the need for that. I examined vendor
> sources at [1] and it suggests that legacy_regs implies no ring buffer.
>
> It's also unclear if core supports HEVC decoding or not. This can be
> implemented later. VP9 10-bit decoding support is mentioned in manual, but
> it doesn't work at the moment. This will be addressed later.
>
> Please take a look.
>
> Best regards,
> Jernej
>
> [1] https://github.com/CliveLau1990/imx-vpu-hantro
Forgot to add, this series is based on top of:
https://www.spinics.net/lists/linux-media/msg202448.html
Regards,
Jernej
>
> Jernej Skrabec (7):
> media: hantro: add support for reset lines
> media: hantro: vp9: use double buffering if needed
> media: hantro: vp9: add support for legacy register set
> media: hantro: move postproc enablement for old cores
> media: dt-bindings: allwinner: document H6 Hantro G2 binding
> media: hantro: Add support for Allwinner H6
> arm64: dts: allwinner: h6: Add Hantro G2 node
>
> .../media/allwinner,sun50i-h6-vpu-g2.yaml | 64 +++++++++++
> arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 9 ++
> drivers/staging/media/hantro/Kconfig | 10 +-
> drivers/staging/media/hantro/Makefile | 3 +
> drivers/staging/media/hantro/hantro.h | 7 ++
> drivers/staging/media/hantro/hantro_drv.c | 27 ++++-
> drivers/staging/media/hantro/hantro_g2_regs.h | 20 ++++
> .../staging/media/hantro/hantro_g2_vp9_dec.c | 76 ++++++++++---
> drivers/staging/media/hantro/hantro_hw.h | 1 +
> drivers/staging/media/hantro/sunxi_vpu_hw.c | 104 ++++++++++++++++++
> 10 files changed, 301 insertions(+), 20 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/
allwinner,sun50i-h6-vpu-g2.yaml
> create mode 100644 drivers/staging/media/hantro/sunxi_vpu_hw.c
>
> --
> 2.34.0
>
>
prev parent reply other threads:[~2021-11-22 18:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-22 18:46 Jernej Skrabec
2021-11-22 18:46 ` [PATCH 1/7] media: hantro: add support for reset lines Jernej Skrabec
2021-11-23 11:09 ` Andrzej Pietrasiewicz
2021-11-23 14:59 ` Dan Carpenter
2021-11-23 16:36 ` Andrzej Pietrasiewicz
2021-11-23 16:46 ` Jernej Škrabec
[not found] ` <CAAEAJfD3d4zjwvbv967+oe6awnAkZiGNKroYF5jvoTy=0sn+Pw@mail.gmail.com>
2021-11-30 10:39 ` Andrzej Pietrasiewicz
2021-11-22 18:46 ` [PATCH 2/7] media: hantro: vp9: use double buffering if needed Jernej Skrabec
2021-11-23 11:22 ` Andrzej Pietrasiewicz
2021-11-22 18:46 ` [PATCH 3/7] media: hantro: vp9: add support for legacy register set Jernej Skrabec
2021-11-23 12:06 ` Andrzej Pietrasiewicz
2021-11-22 18:46 ` [PATCH 4/7] media: hantro: move postproc enablement for old cores Jernej Skrabec
2021-11-23 12:12 ` Andrzej Pietrasiewicz
2021-11-25 12:00 ` Ezequiel Garcia
2021-11-25 19:21 ` Jernej Škrabec
2021-11-22 18:47 ` [PATCH 5/7] media: dt-bindings: allwinner: document H6 Hantro G2 binding Jernej Skrabec
2021-11-22 18:47 ` [PATCH 6/7] media: hantro: Add support for Allwinner H6 Jernej Skrabec
2021-11-23 12:23 ` Andrzej Pietrasiewicz
2021-11-22 18:47 ` [PATCH 7/7] arm64: dts: allwinner: h6: Add Hantro G2 node Jernej Skrabec
2021-11-22 18:51 ` Jernej Škrabec [this message]
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