[Bug 203473] New: ring gfx timeout when returning from suspension

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=203473

            Bug ID: 203473
           Summary: ring gfx timeout when returning from suspension
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.x
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: brunoalexandremiguel at gmail.com
        Regression: No

Created attachment 282571
  --> https://bugzilla.kernel.org/attachment.cgi?id=282571&action=edit
log

Ever since 5.x reached stable (haven't tested rc's and such), I get a blank
screen every time my laptop returns from suspension. From what I've seen in the
logs, it seems the GPU can't get back up.

The full log is attached.

Here is a short info about my system:
System:    Host: sagan Kernel: 5.0.10-lqx1-1-lqx x86_64 bits: 64 Desktop: KDE
Plasma 5.15.4 Distro: Manjaro Linux 
Machine:   Type: Laptop System: LENOVO product: 80XV v: Lenovo ideapad
320-15AST serial: <root required> 
           Mobo: LENOVO model: LNVNB161216 v: SDK0J40700WIN serial: <root
required> UEFI: LENOVO v: 5PCN19WW date: 11/29/2017 
Battery:   ID-1: BAT0 charge: 28.4 Wh condition: 29.9/30.0 Wh (100%) 
CPU:       Dual Core: AMD A9-9420 RADEON R5 5 COMPUTE CORES 2C+3G type: MCP
speed: 1397 MHz min/max: 1400/3000 MHz 
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Stoney [Radeon
R2/R3/R4/R5 Graphics] driver: amdgpu v: kernel 
           Device-2: AMD Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445]
driver: amdgpu v: kernel 
           Display: x11 server: X.Org 1.20.4 driver: amdgpu FAILED: ati
unloaded: modesetting resolution: 1366x768~60Hz 
           OpenGL: renderer: AMD ICELAND (DRM 3.27.0 5.0.10-lqx1-1-lqx LLVM
8.0.0) v: 4.5 Mesa 19.0.3 
Network:   Device-1: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
driver: ath10k_pci 
           Device-2: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 
           Device-3: Qualcomm Atheros type: USB driver: btusb 
Drives:    Local Storage: total: 111.79 GiB used: 70.03 GiB (62.6%) 
Info:      Processes: 228 Uptime: 5h 19m Memory: 7.18 GiB used: 2.19 GiB
(30.5%) Shell: bash inxi: 3.0.33

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