add: if (si->ps.card_type >= G450) { if (si->crossed_conns) {  DXIW(SYNCCTRL, (DXIR(SYNCCTRL) & 0x0f)); } else {  DXIW(SYNCCTRL, (DXIR(SYNCCTRL) & 0xf0)); } }
context: status_t gx00_crtc_dpms(bool display, bool h, bool v) // MIL2{	LOG(4,("CRTC: setting DPMS: "));	if (display)	{		VGAW_I(SEQ,1, 0x00);		LOG(4,("display on, "));	}	else	{		VGAW_I(SEQ,1, 0x20);		LOG(4,("display off, "));	}	if (h)	{		VGAW_I(CRTCEXT, 1, (VGAR_I(CRTCEXT, 1) & 0xef));		LOG(4,("hsync enabled, "));	}	else	{		VGAW_I(CRTCEXT, 1, (VGAR_I(CRTCEXT, 1) | 0x10));		LOG(4,("hsync disabled, "));	}	if (v)	{		VGAW_I(CRTCEXT, 1, (VGAR_I(CRTCEXT, 1) & 0xdf));		LOG(4,("vsync enabled\n"));	}	else	{		VGAW_I(CRTCEXT, 1, (VGAR_I(CRTCEXT, 1) | 0x20));		LOG(4,("vsync disabled\n"));	}	/* set some required fixed values for proper MGA mode initialisation */	VGAW_I(CRTC,0x17,0xC3);	VGAW_I(CRTC,0x14,0x00);	return B_OK;}