006a0b3d86
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>