drm/amdkfd: Remove the requirement for atomic Ops on vg20
authorShaoyun Liu <Shaoyun.Liu@amd.com>
Mon, 18 Jun 2018 18:47:21 +0000 (14:47 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Sep 2018 14:39:57 +0000 (09:39 -0500)
commit006a0b3d86e7cee0e38d0543c7a6e5dbbf12025e
treee0f61101cb9356542e41747d8644ddd68fb2703c
parentd30e63b159b0a77fb14fd6e8f86f20115baaeb1a
drm/amdkfd: Remove the requirement for atomic Ops on vg20

Firmware have the workaround to replace the atomic Ops with read-modify-write on CP side.
User should not expect atomic Ops on system memory works normally if system didn't not
support it.

Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-By: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdkfd/kfd_device.c