mattm/amdvlk

attempting to correct the bug in amdvlk that is currently causing artefacts on Navi10 (5700XT) using https://copr.fedorainfracloud.org/coprs/xxmitsu/mesa-and-llvm-git/ amdvlk src package as a base and david airlie's basic patch from https://github.com/GPUOpen-Drivers/pal/issues/30


This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/mattm/amdvlk/