CentOS

Hardware : Dell Precision 7540

# uname -r
4.18.0-147.6.el8.x86_64
# cat /etc/redhat-release
CentOS Linux release 8.0.1905 (Core)

#cat /var/log/messages | grep amdgpu
Nov 11 07:36:18 coder kernel: [drm] amdgpu kernel modesetting enabled.
Nov 11 07:36:18 coder kernel: amdgpu 0000:01:00.0: enabling device (0000 -> 0003)
Nov 11 07:36:19 coder kernel: amdgpu 0000:01:00.0: Direct firmware load for amdgpu/polaris12_k_mc.bin failed with error -2
Nov 11 07:36:19 coder kernel: mc: Failed to load firmware "amdgpu/polaris12_k_mc.bin"
Nov 11 07:36:19 coder kernel: [drm:gmc_v8_0_sw_init [amdgpu]] *ERROR* Failed to load mc firmware!
Nov 11 07:36:19 coder kernel: [drm:amdgpu_device_init.cold.35 [amdgpu]] *ERROR* sw_init of IP block <gmc_v8_0> failed -2
Nov 11 07:36:19 coder kernel: amdgpu 0000:01:00.0: amdgpu_device_ip_init failed
Nov 11 07:36:19 coder kernel: amdgpu 0000:01:00.0: Fatal error during GPU init
Nov 11 07:36:19 coder kernel: [drm] amdgpu: finishing device.
Nov 11 07:36:19 coder kernel: amdgpu: probe of 0000:01:00.0 failed with error -2