This commit
[root@raven linux]# git bisect bad
c704d7a15d292e6e222b7e990ed7e9f41617cdd8 is the first bad commit
commit c704d7a15d292e6e222b7e990ed7e9f41617cdd8
Author: Alex Deucher <[email protected]>
Date: Tue Mar 27 17:10:56 2018 -0500
drm/amdgpu/gmc9: use amdgpu_ring_emit_reg_write_reg_wait in gpu tlb
flush
Use amdgpu_ring_emit_reg_write_reg_wait. On engines that support it,
it provides a write and wait in a single packet which avoids a missed
ack if a world switch happens between the request and waiting for the
ack.
Reviewed-by: Huang Rui <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
:040000 040000 a08a12a316d09ea231337136cc7aa076d4da44a8
521c8a18b0c63e185e416a267619a92822d7f268 M drivers
Causes my raven1 to lockup on starting X with a gfx ring stall.
Tom
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