Why I cannot wake up VisionFive after standby?

Description

VisionFive works properly since boot-up. However, after some idle time, when the screen enters standby mode, I cannot wake it up using either the mouse or the keyboard.

SoC

JH7100

SBC

VisionFive

Software

Installed image: Fedora-riscv64-jh7100-developer-xfce-Rawhide-20211226-214100.n.0-sda.raw.zst

Cause

Insufficient power supply

Solution

Replace the current power supply with the standard 5 V/3 A power supply, and then you can wake up the device using either the mouse or the keyboard.