add: if (si->ps.card_arch == NV40A) DACW(CURPOS, (DACR(CURPOS)));
context: status_t nv_crtc_cursor_show(){	LOG(4,("CRTC: enabling cursor\n"));	/* enable access to CRTC1 on dualhead cards */	set_crtc_owner(0);	/* b0 = 1 enables cursor */	CRTCW(CURCTL0, (CRTCR(CURCTL0) | 0x01));	return B_OK;}