drm/amdgpu: Make max_pfn 64-bit

With 4-level page tables the maximum VM size is 256TB. That's 64G
pages, which can't be represented in 32-bit.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2017-03-28 20:24:53 -04:00 • committed by Alex Deucher
commit 22770e5a75
4 changed files with 9 additions and 7 deletions