video_display_start_t
video_display_start_t origin;
((video_display_start_t *)arg)->x = adp->va_disp_start.x;
((video_display_start_t *)arg)->y = adp->va_disp_start.y;
((video_display_start_t *)arg)->x,
((video_display_start_t *)arg)->y)
#define FBIO_GETDISPSTART _IOR('F', 109, video_display_start_t)
#define FBIO_SETDISPSTART _IOW('F', 110, video_display_start_t)