Re: [PATCH] arm64: dts: qcom: hamoa/x1: fix idle exit latency

[Konrad Dybcio]

On 2/20/26 8:02 AM, Daniel J Blueman wrote:
> Designs based on the Qualcomm X1 Hamoa reference platform report:
> driver: Idle state 1 target residency too low
> 
> This is because the declared X1 idle entry plus exit latency of 680us
> exceeds the declared minimum 600us residency time:
>   entry-latency-us = <180>;
>   exit-latency-us = <500>;
>   min-residency-us = <600>;
> 
> As 500us idle exit latency is overly conservative, fix this to be a more
> realistic 200us, in range of similar silicon. Tested on a Lenovo Yoga Slim
> 7x with Qualcomm X1E-80-100.
> 
> Signed-off-by: Daniel J Blueman <daniel@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/hamoa.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> index a17900eacb20..b870f4dc9c42 100644
> --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi
> +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi
> @@ -269,7 +269,7 @@ cluster_c4: cpu-sleep-0 {
>  				idle-state-name = "ret";
>  				arm,psci-suspend-param = <0x00000004>;
>  				entry-latency-us = <180>;
> -				exit-latency-us = <500>;
> +				exit-latency-us = <200>;
>  				min-residency-us = <600>;

+Maulik?

Konrad