nv_crtc2_cursor_hide
head1_cursor_hide = (crtc_cursor_hide) nv_crtc2_cursor_hide;
head2_cursor_hide = (crtc_cursor_hide) nv_crtc2_cursor_hide;
nv_crtc2_cursor_hide();
nv_crtc2_cursor_hide();
status_t nv_crtc2_cursor_hide(void);