Merge changes from topic "fix_psci_osi" into integration

* changes:
  fix(psci): fix parent_idx in psci_validate_state_coordination
  fix(psci): mask the Last in Level nibble in StateId

include/plat/arm/common/plat_arm.h

@@ -153,11 +153,10 @@ void arm_setup_romlib(void);
 #define ARM_LOCAL_PSTATE_WIDTH		4
 #define ARM_LOCAL_PSTATE_MASK		((1 << ARM_LOCAL_PSTATE_WIDTH) - 1)
 
-#if PSCI_OS_INIT_MODE
+/* Last in Level for the OS-initiated */
 #define ARM_LAST_AT_PLVL_MASK		(ARM_LOCAL_PSTATE_MASK <<	\
 					 (ARM_LOCAL_PSTATE_WIDTH *	\
 					  (PLAT_MAX_PWR_LVL + 1)))
-#endif /* __PSCI_OS_INIT_MODE__ */
 
 /* Macros to construct the composite power state */
 

lib/psci/psci_common.c

@@ -665,6 +665,8 @@ int psci_validate_state_coordination(unsigned int end_pwrlvl,
 			}
 			goto exit;
 		}
+
+		parent_idx = psci_non_cpu_pd_nodes[parent_idx].parent_node;
 	}
 
 	/*

plat/arm/common/arm_pm.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -79,12 +79,8 @@ int arm_validate_power_state(unsigned int power_state,
 	 *  search if the number of entries justify the additional complexity.
 	 */
 	for (i = 0; !!arm_pm_idle_states[i]; i++) {
-#if PSCI_OS_INIT_MODE
 		if ((power_state & ~ARM_LAST_AT_PLVL_MASK) ==
 					arm_pm_idle_states[i])
-#else
-		if (power_state == arm_pm_idle_states[i])
-#endif /* __PSCI_OS_INIT_MODE__ */
 			break;
 	}