https://bugs.freedesktop.org/show_bug.cgi?id=111913

            Bug ID: 111913
           Summary: AMD Navi10 GPU powerplay issues when using two
                    DisplayPort connectors
           Product: DRI
           Version: DRI git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: venemo@msn.com

I have a Sapphire AMD RX 5700XT graphics card (the reference design).

When I use DisplayPort-0 and DisplayPort-1 connectors with two Dell U2718Q
monitors, I get the following errors in dmesg.

[   39.270292] amdgpu: [powerplay] failed send message: TransferTableSmu2Dram
(18)      param: 0x00000006 response 0xffffffc2
[   39.270294] amdgpu: [powerplay] Failed to export SMU metrics table!
[   41.787785] amdgpu: [powerplay] failed send message: SetDriverDramAddrHigh
(14)      param: 0x00000080 response 0xffffffc2
[   44.288882] amdgpu: [powerplay] failed send message: TransferTableSmu2Dram
(18)      param: 0x00000006 response 0xffffffc2
[   44.288883] amdgpu: [powerplay] Failed to export SMU metrics table!
[   46.822924] amdgpu: [powerplay] failed send message: SetDriverDramAddrHigh
(14)      param: 0x00000080 response 0xffffffc2
[   49.237444] amdgpu: [powerplay] failed send message: SetDriverDramAddrHigh
(14)      param: 0x00000080 response 0xffffffc2
[   49.353456] amdgpu: [powerplay] failed send message: SetDriverDramAddrHigh
(14)      param: 0x00000080 response 0xffffffc2
[   49.353457] amdgpu: [powerplay] Failed to export SMU metrics table!
[   66.676957] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   69.095868] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   71.634371] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   74.166180] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   76.526822] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   78.804664] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   81.348866] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   83.881667] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   86.335097] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   88.763558] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   91.209310] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[   93.740772] amdgpu: [powerplay] failed send message: NumOfDisplays (64)     
param: 0x00000002 response 0xffffffc2
[  128.174369] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  130.597545] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  133.135948] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xffffffc2
[  135.676398] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xffffffc2
[  138.213539] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  140.753936] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  143.034004] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xffffffc2
[  145.313763] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xffffffc2
[  151.255023] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  153.531678] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xffffffc2
[  156.054509] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xffffffc2
[  156.054516] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xfffffffb
[  156.057923] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xfffffffb
[  156.057930] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00000000 response 0xfffffffb
[  156.057932] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xfffffffb
[  156.057938] amdgpu: [powerplay] failed send message: GetMaxDpmFreq (31)     
param: 0x00020000 response 0xfffffffb

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