[Bug 108940] QHD bug? drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1613 core_link_enable_stream+0xc14/0x1040

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108940

--- Comment #10 from Leonid Moiseichuk <lmoiseichuk at gmail.com> ---
Created attachment 142817
  --> https://bugs.freedesktop.org/attachment.cgi?id=142817&action=edit
xubuntu 18.10 kernel with high loglevel

I see the number of problems reported on ASRock x470 + amd Ryzen 5 2400g during
boot:

$ grep  WARNING 4.18.0-13-generic.log 
[    3.938686] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1553
core_link_enable_stream+0x74c/0xc90 [amdgpu]
[    3.939285] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1582
core_link_enable_stream+0x78e/0xc90 [amdgpu]
[    3.939863] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1553
core_link_enable_stream+0x74c/0xc90 [amdgpu]
[    3.940450] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1572
core_link_enable_stream+0xacd/0xc90 [amdgpu]
[    3.941029] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1582
core_link_enable_stream+0x78e/0xc90 [amdgpu]
[    3.941610] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1553
core_link_enable_stream+0x74c/0xc90 [amdgpu]
[    3.942190] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1572
core_link_enable_stream+0xacd/0xc90 [amdgpu]
[    3.942766] WARNING: CPU: 0 PID: 323 at
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:1582
core_link_enable_stream+0x78e/0xc90 [amdgpu]

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