With the timer@2050000 node enabled, both idle states get used:

$ ssh root@nezha
# cat /sys/devices/system/clockevents/clockevent0/current_device
riscv_timer_clockevent
# cat /sys/devices/system/clockevents/broadcast/current_device
sun4i_tick
# grep . /sys/devices/system/cpu/cpu0/cpuidle/state*/usage
/sys/devices/system/cpu/cpu0/cpuidle/state0/usage:368
/sys/devices/system/cpu/cpu0/cpuidle/state1/usage:110
#

With the timer@2050000 node disabled, only retentive idle is used:

$ ssh root@nezha
# cat /sys/devices/system/clockevents/clockevent0/current_device
riscv_timer_clockevent
# cat /sys/devices/system/clockevents/broadcast/current_device
# grep . /sys/devices/system/cpu/cpu0/cpuidle/state*/usage
/sys/devices/system/cpu/cpu0/cpuidle/state0/usage:327
/sys/devices/system/cpu/cpu0/cpuidle/state1/usage:0
#