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Message-ID: <59899cfa3d3245309ce6952ae1028dceae27b488.camel@ndufresne.ca>
Subject: Re: [PATCH v7 1/2] dt-bindings: media: rockchip-vpu: Add rk3588
 vpu121 compatible string
From: Nicolas Dufresne <nicolas@ndufresne.ca>
To: Jianfeng Liu <liujianfeng1994@gmail.com>, linux-media@vger.kernel.org, 
	linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, 
	linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de,
 mchehab@kernel.org,  robh@kernel.org, krzk+dt@kernel.org,
 conor+dt@kernel.org, heiko@sntech.de,  sebastian.reichel@collabora.com,
 sfr@canb.auug.org.au, sigmaris@gmail.com,  linkmauve@linkmauve.fr, Conor
 Dooley <conor.dooley@microchip.com>
Date: Tue, 30 Apr 2024 12:21:21 -0400
In-Reply-To: <20240430024002.708227-2-liujianfeng1994@gmail.com>
References: <20240430024002.708227-1-liujianfeng1994@gmail.com>
	 <20240430024002.708227-2-liujianfeng1994@gmail.com>
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Hi,

Le mardi 30 avril 2024 =C3=A0 10:40 +0800, Jianfeng Liu a =C3=A9crit=C2=A0:
> Add Hantro G1 VPU compatible string for RK3588.
> RK3588 has the same Hantro G1 ip as RK3568, which are both
> known as VDPU121 in TRM of RK3568 and RK3588.
>=20
> Note that this VPU also has a jpeg encoder, which is one part of
> the five VEPU121 jpeg encoders on RK3588. So this VPU121 shoud be
> the same as vpu@ff650000 on RK3399. But we don't use the compatible
> string rk3399-vpu because of two reasons:
> 1, rk3399-vpu has disabled H264 decoding because RK3399 also has
> rkvdec to support 4K H264 decoding. And we need H264 decoding because
> rkvdec2 on rk3588 for H264 decoding is not supported now.
> 2, There are five VEPU121 jpeg encoders, but the kernel driver can't
> do scheduling. So it's better to disable the VEPU121 jpeg encoder
> at the moment.
>=20
> Signed-off-by: Jianfeng Liu <liujianfeng1994@gmail.com>
> Acked-by: Conor Dooley <conor.dooley@microchip.com>
> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
> ---
>  Documentation/devicetree/bindings/media/rockchip-vpu.yaml | 3 +++
>  1 file changed, 3 insertions(+)
>=20
> diff --git a/Documentation/devicetree/bindings/media/rockchip-vpu.yaml b/=
Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> index c57e1f488..2710bb2fb 100644
> --- a/Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> +++ b/Documentation/devicetree/bindings/media/rockchip-vpu.yaml
> @@ -31,6 +31,9 @@ properties:
>        - items:
>            - const: rockchip,rk3228-vpu
>            - const: rockchip,rk3399-vpu
> +      - items:
> +          - const: rockchip,rk3588-vpu121
> +          - const: rockchip,rk3568-vpu

Sorry to come that late, but I'm noticing a big mistake here. You said you =
are
enabling VDPU121, the JPEG decoder. But we don't have a JPEG decoder driver
mainline, is there some patches missing ?

Nicolas

>=20
>    reg:
>      maxItems: 1
> --
> 2.34.1
>=20