IIRC, APUs do not have a paging queue.  Only dGPUs have it.

Alex

________________________________
From: amd-gfx <[email protected]> on behalf of StDenis, Tom 
<[email protected]>
Sent: Wednesday, October 17, 2018 11:54:33 AM
To: Koenig, Christian; amd-gfx mailing list
Cc: Huang, Ray
Subject: regression on RV1

This commit:

commit 6cbd074831a423e0d30b386fc056d6c2c3559147 (HEAD, refs/bisect/bad)
Author: Christian König <[email protected]>
Date:   Mon Oct 8 14:38:22 2018 +0200

     drm/amdgpu: activate paging queue on SDMA v4

     Implement all the necessary stuff to get those extra rings working.

     Signed-off-by: Christian König <[email protected]>
     Reviewed-by: Huang Rui <[email protected]>

Breaks my RV1 init.

Tom
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