[Bug 100398] [agd5f] New errors when tonga card powers up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100398

            Bug ID: 100398
           Summary: [agd5f] New errors when tonga card powers up
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: mike at fireburn.co.uk

I'm seeing the below messages on agd5f's drm-next-4.12-wip branch when the
Tonga discret card powers up - this doesn't seem to prevent rendering but I'm
not sure what each of the rings are

Possibly related to the recent KIQ changes 

[17689.424825] [drm] PCIE GART of 4096M enabled (table at 0x0000000000040000).
[17689.473369] [drm] ring test on 0 succeeded in 11 usecs
[17689.473531] [drm] ring test on 9 succeeded in 20 usecs
[17689.473646] [drm] ring test on 1 succeeded in 19 usecs
[17689.676500] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 2 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17689.825919] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 3 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17689.974629] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 4 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17690.127396] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 5 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17690.289456] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 6 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17690.439040] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 7 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17690.587548] [drm:gfx_v8_0_ring_test_ring] *ERROR* amdgpu: ring 8 test failed
(scratch(0xC040)=0xCAFEDEAD)
[17690.587553] [drm:amdgpu_resume] *ERROR* resume of IP block <gfx_v8_0> failed
-22
[17690.587556] [drm:amdgpu_device_resume] *ERROR* amdgpu_resume failed (-22).
[17690.595905] [drm:amdgpu_fill_buffer] *ERROR* Trying to clear memory with
ring turned off.
[17690.595935] [drm:amdgpu_fill_buffer] *ERROR* Trying to clear memory with
ring turned off.
[17696.119220] amdgpu 0000:01:00.0: GPU pci config reset

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