Re: [PATCH] arm64: dts: qcom: sm6115: Fix up cluster idle states

From: Konrad Dybcio
Date: Tue Jun 13 2023 - 15:15:12 EST




On 13.06.2023 21:13, Konrad Dybcio wrote:
> The lowest nibble of the PSCI suspend param denotes the CPU state.
> It was mistakenly set to mimic the cluster state, resulting in poking
> PSCI with undocumented 0x2 and 0x4 states (both of which seem to be
> implemented and undocumented). Also, GDHS cluster param was wrong for C1.
>
> Fix that.
>
> Fixes: b5de1a9ff1f2 ("arm64: dts: qcom: sm6115: Add CPU idle-states")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
Of course I remember about the tags right after I hit send..

Reported-by: Stephan Gerhold <stephan@xxxxxxxxxxx>

Konrad
> arch/arm64/boot/dts/qcom/sm6115.dtsi | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6115.dtsi b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> index 55118577bf92..07d8b842d7be 100644
> --- a/arch/arm64/boot/dts/qcom/sm6115.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm6115.dtsi
> @@ -225,7 +225,7 @@ domain-idle-states {
> CLUSTER_0_SLEEP_0: cluster-sleep-0-0 {
> /* GDHS */
> compatible = "domain-idle-state";
> - arm,psci-suspend-param = <0x40000022>;
> + arm,psci-suspend-param = <0x40000023>;
> entry-latency-us = <360>;
> exit-latency-us = <421>;
> min-residency-us = <782>;
> @@ -234,7 +234,7 @@ CLUSTER_0_SLEEP_0: cluster-sleep-0-0 {
> CLUSTER_0_SLEEP_1: cluster-sleep-0-1 {
> /* Power Collapse */
> compatible = "domain-idle-state";
> - arm,psci-suspend-param = <0x41000044>;
> + arm,psci-suspend-param = <0x41000043>;
> entry-latency-us = <800>;
> exit-latency-us = <2118>;
> min-residency-us = <7376>;
> @@ -243,7 +243,7 @@ CLUSTER_0_SLEEP_1: cluster-sleep-0-1 {
> CLUSTER_1_SLEEP_0: cluster-sleep-1-0 {
> /* GDHS */
> compatible = "domain-idle-state";
> - arm,psci-suspend-param = <0x40000042>;
> + arm,psci-suspend-param = <0x40000023>;
> entry-latency-us = <314>;
> exit-latency-us = <345>;
> min-residency-us = <660>;
> @@ -252,7 +252,7 @@ CLUSTER_1_SLEEP_0: cluster-sleep-1-0 {
> CLUSTER_1_SLEEP_1: cluster-sleep-1-1 {
> /* Power Collapse */
> compatible = "domain-idle-state";
> - arm,psci-suspend-param = <0x41000044>;
> + arm,psci-suspend-param = <0x41000043>;
> entry-latency-us = <640>;
> exit-latency-us = <1654>;
> min-residency-us = <8094>;
>
> ---
> base-commit: 1f6ce8392d6ff486af5ca96df9ded5882c4b6977
> change-id: 20230613-topic-6115idlestates-ba341792ebb2
>
> Best regards,