drm/amdgpu/sdma4: drop hdp flush from wptr shadow update
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Jul 2017 19:30:27 +0000 (15:30 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 Aug 2017 18:46:03 +0000 (14:46 -0400)
commita67094432da75d2769e7c35323f26c6873908e6c
tree0555b77f9441a9b2209bf887e2c0a417fc6509d7
parent575a07d2dabca6d05c3b59262fe754f9a52b29a6
drm/amdgpu/sdma4: drop hdp flush from wptr shadow update

The wb buffer is in system memory, not vram so the flush
is useless.

Cc: Frank Min <Frank.Min@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c