VFB_DMA_BOUNCE
vdd->vd_len > VFB_DMA_BOUNCE ||
error = bus_dmamem_alloc(sc->sc_dmat, VFB_DMA_BOUNCE, PAGE_SIZE, 0,
VFB_DMA_BOUNCE, (void **)&sc->sc_dma_buf, BUS_DMA_WAITOK);
error = bus_dmamap_create(sc->sc_dmat, VFB_DMA_BOUNCE, 1,
VFB_DMA_BOUNCE, 0, BUS_DMA_WAITOK, &sc->sc_dma_buf_map);
sc->sc_dma_buf, VFB_DMA_BOUNCE, NULL, BUS_DMA_WAITOK);
"list at pa 0x%lx\n", VFB_DMA_BOUNCE,