[Bug 110140] Green bottom half of video frame when using JPEG acceleration (vcn_v1_0_jpeg_ring_emit_fence() WARNING)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110140

--- Comment #4 from Rafał Miłecki <zajec5 at gmail.com> ---
Another problem caused by the above commit 36258308a794 is re-introducing
corrupted colors in YouTube playbacks when using Chromium with "Use hardware
acceleration when available" enabled. That was originally reported by me in the
bug 109080.

Playing YouTube video using kernel 5.0.1 and Mesa 18.3.4 results in corrupted
colors and following errors:

[ 6376.312717] gmc_v9_0_process_interrupt: 38 callbacks suppressed
[ 6376.312726] amdgpu 0000:04:00.0: [mmhub] VMC page fault (src_id:0 ring:40
vmid:3 pasid:32775, for process chromium pid 21146 thread chromium -:cs0 pid
21208)
[ 6376.312730] amdgpu 0000:04:00.0:   in page starting at address
0x0000800106198000 from 18
[ 6376.312733] amdgpu 0000:04:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00340451
[ 6376.312746] amdgpu 0000:04:00.0: [mmhub] VMC page fault (src_id:0 ring:40
vmid:3 pasid:32775, for process chromium pid 21146 thread chromium -:cs0 pid
21208)
[ 6376.312748] amdgpu 0000:04:00.0:   in page starting at address
0x0000800106199000 from 18
[ 6376.312750] amdgpu 0000:04:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[ 6376.312762] amdgpu 0000:04:00.0: [mmhub] VMC page fault (src_id:0 ring:174
vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[ 6376.312764] amdgpu 0000:04:00.0:   in page starting at address
0x0000000000000000 from 18
[ 6376.312766] amdgpu 0000:04:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x0000073C
[ 6376.312781] amdgpu 0000:04:00.0: [mmhub] VMC page fault (src_id:0 ring:158
vmid:0 pasid:0, for process  pid 0 thread  pid 0)
[ 6376.312783] amdgpu 0000:04:00.0:   in page starting at address
0x0000000000000000 from 18
[ 6376.312785] amdgpu 0000:04:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00000000
[ 6386.301258] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout,
signaled seq=192, emitted seq=194
[ 6386.301398] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information:
process  pid 0 thread  pid 0
[ 6386.301414] [drm] GPU recovery disabled.
[ 6396.541548] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout,
signaled seq=192, emitted seq=194
[ 6396.541636] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information:
process  pid 0 thread  pid 0
[ 6396.541639] [drm] GPU recovery disabled.
[ 6406.782141] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout,
signaled seq=192, emitted seq=194
[ 6406.782241] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information:
process  pid 0 thread  pid 0
[ 6406.782244] [drm] GPU recovery disabled.
[ 6417.022165] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring vcn_dec timeout,
signaled seq=192, emitted seq=194
[ 6417.022268] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* Process information:
process  pid 0 thread  pid 0
[ 6417.022271] [drm] GPU recovery disabled.

my screen freezes shortly after that.

I've verified that reverting 36258308a794 from the top of 18.3.4 release fixes
both issues.

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