drm/amdgpu remove restriction of sriov max_pfn on Vega10

Remove restriction of sriov max_pfn so that TBA and TMA can move to high
47 bits address.

Regression test: change range alloc flag of libdrm as
AMDGPU_VA_RANGE_HIGH and there is no flr occur when testing amdgpu_test
of drm.
Signed-off-by: Lin.Cao <lincao12@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

@@ -2018,11 +2018,8 @@ static int gmc_v9_0_sw_init(void *handle)
 		 * vm size is 256TB (48bit), maximum size of Vega10,
 		 * block size 512 (9bit)
 		 */
-		/* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
-		if (amdgpu_sriov_vf(adev))
-			amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47);
-		else
-			amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
+
+		amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
 		if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2))
 			adev->gmc.translate_further = adev->vm_manager.num_level > 1;
 		break;