https://bugs.freedesktop.org/show_bug.cgi?id=102322
--- Comment #6 from Andrey Grodzovsky andrey.grodzovsky@amd.com --- Verify you are using latest AMD firmware and up to date MESA/LLVM
Firmware here (amdgpu folder) - https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/
Andrey