drm/amdgpu: change VM size default to 64GB

That's still small enough to not waste to much memory on PD/PTs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-10-15 17:34:20 +02:00 • committed by Alex Deucher
commit ed885b2107