offset_to_fence_num  245 drivers/gpu/drm/i915/gvt/handlers.c 	ret = sanitize_fence_mmio_access(vgpu, offset_to_fence_num(off),
offset_to_fence_num  257 drivers/gpu/drm/i915/gvt/handlers.c 	unsigned int fence_num = offset_to_fence_num(off);