drm/amdgpu: add the trailing fence per ring
authorJack Xiao <Jack.Xiao@amd.com>
Thu, 10 Jan 2019 06:28:08 +0000 (14:28 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 21 Jun 2019 14:30:45 +0000 (09:30 -0500)
commitef3e13238b5f27412651387ac4c210ba2d7ea312
tree9fb69a81a63a4f5489b644c46df455ea80003db4
parentdfc9847956d55cdd1111711e2a3d9901967b4368
drm/amdgpu: add the trailing fence per ring

The trailing fence for ring is used to track the
completion of preemption.

Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h