ppgtt_alloc_spt   876 drivers/gpu/drm/i915/gvt/gtt.c 	spt = ppgtt_alloc_spt(vgpu, type);
ppgtt_alloc_spt  1182 drivers/gpu/drm/i915/gvt/gtt.c 	sub_spt = ppgtt_alloc_spt(vgpu, GTT_TYPE_PPGTT_PTE_PT);