NGLE_EG_MISCVID
gftfb_write4(sc, NGLE_EG_MISCVID,
gftfb_read4(sc, NGLE_EG_MISCVID) | MISCVID_VIDEO_ON);
gftfb_write4(sc, NGLE_EG_MISCVID,
gftfb_read4(sc, NGLE_EG_MISCVID) & ~MISCVID_VIDEO_ON);
gftfb_write4(sc, NGLE_EG_MISCVID,
gftfb_read4(sc, NGLE_EG_MISCVID) | MISCVID_VIDEO_ON);