Re: [PATCH 4/6] arm64: dts: renesas: r8a77951: Enable GPU

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Hi Adam,

Thanks for your patch!

On Tue, Feb 27, 2024 at 4:46 AM Adam Ford <aford173@xxxxxxxxx> 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?

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@xxxxxxxxx>

Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

> --- a/arch/arm64/boot/dts/renesas/r8a77951.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77951.dtsi
> @@ -2771,6 +2771,16 @@ gic: interrupt-controller@f1010000 {
>                         resets = <&cpg 408>;
>                 };
>
> +               gpu: gpu@fd000000 {
> +                       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@fe000000 {
>                         compatible = "renesas,pcie-r8a7795",
>                                      "renesas,pcie-rcar-gen3";

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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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