drm/amdgpu: choose number of VM levels based on VM size

This allows us limiting the VM size for testing even of Vega10.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed