After the laptop comes out of sleep mode, the desktop environment for some reason breaks and looks like in the screenshot below. After rebooting the system, everything returns to normal, but to the next sleep mode.
Laptop spec:
OS: Ubuntu 20.04 focal
Kernel: x86_64 Linux 5.4.0-42-generic
DE: GNOME 3.36.4
CPU: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx @ 8x 2GHz
GPU: AMD/ATI Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series]
RAM: 8GB