On Sat, Aug 03, 2019 at 05:43:01PM +0000, bugzilla-daemon@freedesktop.org
wrote:
> > > [    5.759204] amdgpu 0000:0a:00.0: Direct firmware load for
> > > amdgpu/vega20_ta.bin failed with error -2
> > > [    5.759205] amdgpu 0000:0a:00.0: psp v11.0: Failed to load firmware
> > > "amdgpu/vega20_ta.bin"

It seems you have a corrupted/old/missing vega20_ta.bin firmware file.
It looks like outdated distro files.