drm/amdgpu: enable four level VMPT for gmc9

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index ab090fc..c29a477 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -506,7 +506,7 @@ static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
                DRM_WARN("vm size at least is 256GB!\n");
                amdgpu_vm_size = 256;
        }
-       adev->vm_manager.num_level = 1;
+       adev->vm_manager.num_level = 3;
        amdgpu_vm_manager_init(adev);
 
        /* base offset of vram pages */