422             dpy->region.surface = NULL;  in vfio_display_region_update()
431     if (dpy->region.buffer.size &&  in vfio_display_region_update()
432         dpy->region.buffer.nr != plane.region_index) {  in vfio_display_region_update()
433         /* region changed */  in vfio_display_region_update()
434         vfio_region_exit(&dpy->region.buffer);  in vfio_display_region_update()
435         vfio_region_finalize(&dpy->region.buffer);  in vfio_display_region_update()
436         dpy->region.surface = NULL;  in vfio_display_region_update()
439     if (dpy->region.surface &&  in vfio_display_region_update()
440         (surface_width(dpy->region.surface) != plane.width ||  in vfio_display_region_update()
441          surface_height(dpy->region.surface) != plane.height ||  in vfio_display_region_update()
442          surface_format(dpy->region.surface) != format)) {  in vfio_display_region_update()
444         dpy->region.surface = NULL;  in vfio_display_region_update()
447     if (!dpy->region.buffer.size) {  in vfio_display_region_update()
448         /* mmap region */  in vfio_display_region_update()
450                                 &dpy->region.buffer,  in vfio_display_region_update()
458         ret = vfio_region_mmap(&dpy->region.buffer);  in vfio_display_region_update()
464         assert(dpy->region.buffer.mmaps[0].mmap != NULL);  in vfio_display_region_update()
467     if (dpy->region.surface == NULL) {  in vfio_display_region_update()
469         dpy->region.surface = qemu_create_displaysurface_from  in vfio_display_region_update()
471              plane.stride, dpy->region.buffer.mmaps[0].mmap);  in vfio_display_region_update()
472         dpy_gfx_replace_surface(dpy->con, dpy->region.surface);  in vfio_display_region_update()
477                    surface_width(dpy->region.surface),  in vfio_display_region_update()
478                    surface_height(dpy->region.surface));  in vfio_display_region_update()
482     vfio_region_exit(&dpy->region.buffer);  in vfio_display_region_update()
483     vfio_region_finalize(&dpy->region.buffer);  in vfio_display_region_update()
507     if (!dpy->region.buffer.size) {  in vfio_display_region_exit()
511     vfio_region_exit(&dpy->region.buffer);  in vfio_display_region_exit()
512     vfio_region_finalize(&dpy->region.buffer);  in vfio_display_region_exit()