drm/amdgpu: fix vm size and block size for VMPT (v5)

Set reasonable defaults per family.

v2: set both of them in gmc
v3: move vm size and block size in vm manager
v4: squash in warning fix from Alex Xie
v5: squash in min() warning fix

Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index ed24678..02b0dd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -45,7 +45,7 @@ struct amdgpu_bo_list_entry;
 #define AMDGPU_VM_MAX_UPDATE_SIZE	0x3FFFF
 
 /* number of entries in page table */
-#define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
+#define AMDGPU_VM_PTE_COUNT(adev) (1 << (adev)->vm_manager.block_size)
 
 /* PTBs (Page Table Blocks) need to be aligned to 32K */
 #define AMDGPU_VM_PTB_ALIGN_SIZE   32768
@@ -162,6 +162,8 @@ struct amdgpu_vm_manager {
 
 	uint64_t				max_pfn;
 	uint32_t				num_level;
+	uint64_t				vm_size;
+	uint32_t				block_size;
 	/* vram base address for page table entry  */
 	u64					vram_base_offset;
 	/* is vm enabled? */