NGLE_HCRX_MISCVID
hyperfb_write4(sc, NGLE_HCRX_MISCVID, reg & ~HCRX_VIDEO_ENABLE);
reg = hyperfb_read4(sc, NGLE_HCRX_MISCVID);
hyperfb_write4(sc, NGLE_HCRX_MISCVID, reg | HCRX_VIDEO_ENABLE);