intel_extreme: LVDS pipe only *has* to be B when gen < 4

src/add-ons/accelerants/intel_extreme/Ports.cpp

@@ -362,6 +362,17 @@ LVDSPort::LVDSPort()
 }
 
 
+pipe_index
+LVDSPort::PipePreference()
+{
+	// LVDS always pipe b on < gen4
+	if (gInfo->shared_info->device_type.Generation() < 4)
+		return INTEL_PIPE_B;
+
+	return INTEL_PIPE_ANY;
+}
+
+
 bool
 LVDSPort::IsConnected()
 {

src/add-ons/accelerants/intel_extreme/Ports.h

@@ -128,8 +128,7 @@ virtual	bool						IsConnected();
 virtual status_t					SetDisplayMode(display_mode* mode,
 										uint32 colorMode);
 
-virtual pipe_index					PipePreference()
+virtual pipe_index					PipePreference();
-										{ return INTEL_PIPE_B; };
 
 protected:
 virtual	addr_t						_DDCRegister();