drm/amdgpu: Use variable instead of constant for sdma doorbell range

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yong Zhao 2019-09-19 18:01:06 -04:00 • committed by Alex Deucher
commit 9822ac8f85