drm/amdgpu: use 64bit operation macros for umc

replace some 32bit macros with 64bit operations to simplify code

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Dennis Li <dennis.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou 2019-07-23 11:57:15 +08:00 • committed by Alex Deucher
commit 5bbfb64a17