error messages from running uvd on polaris10

[Christian König]

Hi Tom,

well that is an interesting one. Looks like we use more dw on the UVD 
ring when prime is enabled.

Going to take a look tomorrow,
Christian

Am 29.01.2018 um 19:45 schrieb Tom St Denis:
> Hi all,
>
> Getting these:
>
> [  537.515830] [drm:uvd_v6_0_ring_emit_fence [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.516057] [drm:uvd_v6_0_ring_emit_fence [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.516267] [drm:uvd_v6_0_ring_emit_fence [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.516485] [drm:uvd_v6_0_ring_emit_fence [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.516823] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.517080] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.517323] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.517605] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.517848] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.518090] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.518330] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.518581] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.518807] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.519034] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.519260] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
> [  537.519486] [drm:amdgpu_ring_insert_nop [amdgpu]] *ERROR* amdgpu: 
> writing more dwords to the ring than expected!
>
>
> from running
>
> DRI_PRIME=1 mpv --hwdec=auto *mkv
>
> on my CZ+Polaris10 setup (with drm-next up to date).  I don't get the 
> messages though if I run without DRI_PRIME=1 and they both have the 
> same UVD6 right?
>
> Is it because one is in physical vs VM mode?
>
> Cheers,
> Tom
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