drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings()

Offset calculation wasn't correct as start addresses are in pfn
not in bytes.

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2021-03-26 16:08:10 +01:00 • committed by Alex Deucher
commit 84e070f58a