drm/i915: Setting legacy palette correctly for different platforms

v2: Adding !HAS_GMCH_DISPLAY(dev)

Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -3847,7 +3847,7 @@ static void intel_crtc_load_lut(struct drm_crtc *crtc)
 	}
 
 	/* use legacy palette for Ironlake */
-	if (HAS_PCH_SPLIT(dev))
+	if (!HAS_GMCH_DISPLAY(dev))
 		palreg = LGC_PALETTE(pipe);
 
 	/* Workaround : Do not read or write the pipe palette/gamma data while