Re: [PATCH] arm64: dts: qcom: qcs6490-rb3gen2: Specify zap region for gpu

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On Tue, Apr 02, 2024 at 08:33:30PM GMT, Bjorn Andersson wrote:
> Without the zap region defined the enabled GPU will, if able to find the
> other firmware files, attempt to initialize itself without the zap
> firmware loading, which causes the rb3gen2 to freeze or crash.
> 
> Add the zap-shader node and define the memory-region and firmware path
> to avoid this problem.

This statement is wrong, there is a zap-shader node already, but we're
lacking the firmware-name...

Regards,
Bjorn

> 
> Fixes: 04cf333afc75 ("arm64: dts: qcom: Add base qcs6490-rb3gen2 board dts")
> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 63ebe0774f1d..5b81b5e0b4ce 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -471,6 +471,13 @@ &gcc {
>  			   <GCC_WPSS_RSCP_CLK>;
>  };
>  
> +&gpu {
> +	zap-shader {
> +		memory-region = <&gpu_microcode_mem>;
> +		firmware-name = "qcom/qcs6490/a660_zap.mbn";
> +	};
> +};
> +
>  &qupv3_id_0 {
>  	status = "okay";
>  };
> 
> ---
> base-commit: 727900b675b749c40ba1f6669c7ae5eb7eb8e837
> change-id: 20240326-rb3gen2-gpu-4343c5dc7e40
> 
> Best regards,
> -- 
> Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> 




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