amdgpu couldn't resume after suspend

Submitted by Mikhail Gavrilov @Mikhail

Assigned to Default DRI bug account

Link to original bug (#107652)

Description

Created attachment 141225
dmesg

Steps for reproduce:

1. Put the computer into suspend mode.
   
2. Wake up the computer with the Power button.
   

$ inxi -bM
System: Host: localhost.localdomain Kernel: 4.19.0-0.rc0.git3.1.fc30.x86_64 x86_64 bits: 64
Desktop: Gnome 3.29.90 Distro: Fedora release 29 (Rawhide)
Machine: Type: Desktop Mobo: ASUSTeK model: ROG STRIX X470-I GAMING v: Rev 1.xx serial: ``
UEFI: American Megatrends v: 0901 date: 07/23/2018
CPU: 8-Core: AMD Ryzen 7 2700X type: MT MCP speed: 3381 MHz min/max: 2200/3700 MHz
Graphics: Card-1: Advanced Micro Devices [AMD/ATI] Vega 10 XT [Radeon RX Vega 64] driver: amdgpu v: kernel
Display: wayland server: Fedora Project X.org 11.0 driver: amdgpu resolution: 3840x2160~60Hz
OpenGL: renderer: Radeon RX Vega (VEGA10 DRM 3.27.0 4.19.0-0.rc0.git3.1.fc30.x86_64 LLVM 6.0.1)
v: 4.5 Mesa 18.1.5
Network: Card-1: Intel I211 Gigabit Network driver: igb
Card-2: Realtek RTL8822BE 802.11a/b/g/n/ac WiFi adapter driver: r8822be
Drives: Local Storage: total: 11.35 TiB used: 4.39 TiB (38.6%)
Info: Processes: 575 Uptime: 2h 00m Memory: 31.36 GiB used: 28.11 GiB (89.6%) Shell: bash inxi: 3.0.20

**Attachment 141225**, "dmesg":
dmesg.txt