{
        struct drm_device *dev = inode->i_private;
 
-       if (!HAS_PCH_SPLIT(dev))
+       if (HAS_GMCH_DISPLAY(dev))
                return -ENODEV;
 
        return single_open(file, pri_wm_latency_show, dev);
 {
        struct drm_device *dev = inode->i_private;
 
-       if (!HAS_PCH_SPLIT(dev))
+       if (HAS_GMCH_DISPLAY(dev))
                return -ENODEV;
 
        return single_open(file, spr_wm_latency_show, dev);
 {
        struct drm_device *dev = inode->i_private;
 
-       if (!HAS_PCH_SPLIT(dev))
+       if (HAS_GMCH_DISPLAY(dev))
                return -ENODEV;
 
        return single_open(file, cur_wm_latency_show, dev);