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Message-ID: <CAHCN7xJUBT8hMNEtFhne-wr8mOYe9JZcc=LS9Utt9TyOQQF5=A@mail.gmail.com>
Date: Tue, 27 Feb 2024 09:15:08 -0600
From: Adam Ford <aford173@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org, 
	aford@...conembedded.com, Frank Binns <frank.binns@...tec.com>, 
	Matt Coster <matt.coster@...tec.com>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
	Conor Dooley <conor+dt@...nel.org>, Geert Uytterhoeven <geert+renesas@...der.be>, 
	Magnus Damm <magnus.damm@...il.com>, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] arm64: dts: renesas: r8a77951: Enable GPU

On Tue, Feb 27, 2024 at 2:11 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Adam,
>
> Thanks for your patch!
>
> On Tue, Feb 27, 2024 at 4:46 AM Adam Ford <aford173@...il.com> wrote:
> > The GPU on the R-Car H3 is a Rogue GX6650 which uses firmware
> > rogue_4.46.6.61_v1.fw available from Imagination.
>
> s/61/62/
>
> >
> > When enumerated, it appears as:
> > powervr fd000000.gpu: [drm] loaded firmware powervr/rogue_4.46.6.62_v1.fw
> > powervr fd000000.gpu: [drm] FW version v1.0 (build 6513336 OS)
>
> Do you have a different build number?

I don't actually have this board.  I just copy-pasted what I thought
it was.  If you have  build number that's more appropriate, I can use
that in the future.

adam
>
> On Salvator-XS with R-Car H3 ES2.0:
>
>     powervr fd000000.gpu: [drm] loaded firmware powervr/rogue_4.46.6.62_v1.fw
>     powervr fd000000.gpu: [drm] FW version v1.0 (build 6538781 OS)
>     [drm] Initialized powervr 1.0.0 20230904 for fd000000.gpu on minor 1
>
> >
> > Signed-off-by: Adam Ford <aford173@...il.com>
>
> Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> > --- a/arch/arm64/boot/dts/renesas/r8a77951.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/r8a77951.dtsi
> > @@ -2771,6 +2771,16 @@ gic: interrupt-controller@...10000 {
> >                         resets = <&cpg 408>;
> >                 };
> >
> > +               gpu: gpu@...00000 {
> > +                       compatible = "renesas,r8a77951-gpu", "img,img-axe";
>
> renesas,r8a7795-gpu
>
> > +                       reg = <0 0xfd000000 0 0x20000>;
> > +                       clocks = <&cpg CPG_MOD 112>;
> > +                       clock-names = "core";
> > +                       interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
> > +                       power-domains = <&sysc R8A7795_PD_3DG_E>;
> > +                       resets = <&cpg 112>;
> > +               };
> > +
> >                 pciec0: pcie@...00000 {
> >                         compatible = "renesas,pcie-r8a7795",
> >                                      "renesas,pcie-rcar-gen3";
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds

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