Re: [PATCH] arm64: dts: qcom: sdm850-lenovo-yoga-c630: lower PSCI cluster idle

[Konrad Dybcio]

On 4/28/26 9:36 PM, Dmitry Baryshkov wrote:
> With the default PSCI suspend value for cluster idle state Lenovo Yoga
> C630 isn't stable enough. For example it might reset if display device
> isn't probed early enough. Drop one of the bits from the PSCI suspend
> value to make C630 work in stable way.
> 
> Fixes: a1ade6cac5a2 ("arm64: dts: qcom: sdm845: Switch PSCI cpu idle states from PC to OSI")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> index e41200839dbe..e6c67016552a 100644
> --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> @@ -347,6 +347,10 @@ &cdsp_pas {
>  	status = "okay";
>  };
>  
> +&cluster_sleep_0 {
> +	arm,psci-suspend-param = <0x41003244>;
> +};

Is it better if you do hack in a

qmp_send(qmp, "{class: cx_mol, res: cx, val: mol}");

somewhere?

Konrad