drm/i915: remove Haswell code from ironlake_fdi_pll_enable

This function is not called on Haswell anymore.
Signed-off-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: NImre Deak <imre.deak@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -2787,9 +2787,6 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
 	POSTING_READ(reg);
 	udelay(200);
 
-	/* On Haswell, the PLL configuration for ports and pipes is handled
-	 * separately, as part of DDI setup */
-	if (!IS_HASWELL(dev)) {
 	/* Enable CPU FDI TX PLL, always on for Ironlake */
 	reg = FDI_TX_CTL(pipe);
 	temp = I915_READ(reg);
@@ -2799,7 +2796,6 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
 		POSTING_READ(reg);
 		udelay(100);
 	}
-	}
 }
 
 static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc)