add: if (si->ps.card_arch == NV40A) DAC2W(CURPOS, (DAC2R(CURPOS)));
context: status_t nv_crtc2_cursor_hide(){	LOG(4,("CRTC2: disabling cursor\n"));	/* enable access to secondary head */	set_crtc_owner(1);	/* b0 = 0 disables cursor */	CRTC2W(CURCTL0, (CRTC2R(CURCTL0) & 0xfe));	return B_OK;}