[5.2/5.3][drm:amdgpu_dm_atomic_commit_tail [amdgpu]] *ERROR* Waiting for fences timed out or interrupted!

Submitted by udo

Assigned to Default DRI bug account

Link to original bug (#111979)

Description

Seen on both AMD 2400g and 3400g APU's, we find these in dmesg of 5.3.5.:

85.232749] fuse: init (API version 7.31)
[18161.173791] [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] ERROR Waiting for fences timed out or interrupted!
[18166.037697] [drm:amdgpu_job_timedout [amdgpu]] ERROR ring gfx timeout, but soft recovered
[18171.153568] [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] ERROR Waiting for fences timed out or interrupted!
[18186.261621] [drm:amdgpu_job_timedout [amdgpu]] ERROR ring gfx timeout, but soft recovered

or on 5.2.17 sometimes:

[ 7596.392996] sd 11:0:0:0: [sde] Synchronize Cache(10) failed: Result: hostbyte=0x01 driverbyte=0x00
[97954.657336] [drm:amdgpu_dm_atomic_commit_tail [amdgpu]] ERROR Waiting for fences timed out or interrupted!
[97959.535278] [drm:amdgpu_job_timedout [amdgpu]] ERROR ring gfx timeout, signaled seq=2542528, emitted seq=2542531
[97959.535342] [drm:amdgpu_job_timedout [amdgpu]] ERROR Process information: process pid 0 thread pid 0
[97959.535346] [drm] GPU recovery disabled.

Then the graphics stop working and the machine GUI is unusable until reboot.