Comment 10 for bug 1863390

I am also experiencing this issue. I was using 18.04.5 and did not have the issue. I did a new install of 20.04 with the same hardware and the problem started. It continues after upgrade to 20.10.

~~~
user@8560w:~$ sudo lshw -C display
[sudo] password for user:
  *-display
       description: VGA compatible controller
       product: Whistler [Radeon HD 6730M/6770M/7690M XT]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
       configuration: driver=radeon latency=0
       resources: irq:44 memory:c0000000-cfffffff memory:d4400000-d441ffff ioport:4000(size=256) memory:c0000-dffff

~~~