Xorg crashes on the Dell Precision 7730 systems with Radeon Pro WX 4130/4150 card

Issue

• Getting blank screen on a newly installed RHEL7 system. Xorg logs are showing following crash:

[   461.541] (EE) Failed to load module "amdgpu" (module does not exist, 0)
[   462.346] (EE)
[   462.346] (EE) Backtrace:
[   462.346] (EE) 0: /usr/bin/X (xorg_backtrace+0x55) [0x55a21eb7c625]
[   462.346] (EE) 1: /usr/bin/X (0x55a21e9ce000+0x1b23b9) [0x55a21eb803b9]
[   462.346] (EE) 2: /lib64/libpthread.so.0 (0x7fc26daeb000+0xf680) [0x7fc26dafa680]
[   462.346] (EE) 3: /usr/bin/X (RRProviderAutoConfigGpuScreen+0x3d) [0x55a21eaeaa8d]
[   462.346] (EE) 4: /usr/bin/X (InitOutput+0x59e) [0x55a21ea6623e]
[   462.346] (EE) 5: /usr/bin/X (0x55a21e9ce000+0x579ab) [0x55a21ea259ab]
[   462.346] (EE) 6: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7fc26d7403d5]
[   462.346] (EE) 7: /usr/bin/X (0x55a21e9ce000+0x41c9e) [0x55a21ea0fc9e]
[   462.346] (EE)
[   462.346] (EE) Segmentation fault at address 0x130
[   462.346] (EE)
[   462.346] (EE) Caught signal 11 (Segmentation fault). Server aborting