[powersave] x1e80100 is missing the domain_ss3 PSCI idle state

I'm considering sending this patch:

Commit ID: 7320c4c00264df0207b9d121b9992d5ef75962d6
Change ID: suzplppkkyzwrtrlquxvkkxvqllwxpuq
Author   : Val Packett <val@packett.cool> (2025-09-29 03:17:21)
Committer: Val Packett <val@packett.cool> (2025-09-30 02:47:38)

    arm64: dts: qcom: x1e80100: add system power domain SS3 state

    The same PSCI state as on other Oryon-based SoCs like SM8750 and Glymur
    works fine on Hamoa (tested on a Dell Latitude 7455).

    Signed-off-by: Val Packett <val@packett.cool>

diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
index 3cf2568def..fab8104147 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
@@ -303,6 +303,14 @@
 				exit-latency-us = <4000>;
 				min-residency-us = <7000>;
 			};
+
+			domain_ss3: domain-sleep-0 {
+				compatible = "domain-idle-state";
+				arm,psci-suspend-param = <0x0200c354>;
+				entry-latency-us = <2800>;
+				exit-latency-us = <4400>;
+				min-residency-us = <10150>;
+			};
 		};
 	};
 
@@ -449,7 +457,7 @@
 
 		system_pd: power-domain-system {
 			#power-domain-cells = <0>;
-			/* TODO: system-wide idle states */
+			domain-idle-states = <&domain_ss3>;
 		};
 	};

Seems to be working fine here:

❯ cat /sys/kernel/debug/pm_genpd/power-domain-system/idle_states
State          Time Spent(ms) Usage      Rejected   Above      Below
S0             29136          21415      142        21036      0

but if anyone can provide extra testing or feedback, I'd like to hear that first.