MODE_BPP
sc->sc_fb_size = sc->sc_mode->hdisplay * sc->sc_mode->vdisplay * MODE_BPP / 8;
sc->sc_fb_info.fb_bpp = sc->sc_fb_info.fb_depth = MODE_BPP;
sc->sc_fb_info.fb_stride = sc->sc_mode->hdisplay * MODE_BPP / 8;
stride = sc->sc_mode->hdisplay * MODE_BPP / 8;
dma_size = round_page(sc->sc_mode->hdisplay * sc->sc_mode->vdisplay * (MODE_BPP / 8));