drm/i915: s/DDI_BUF_CTL_A/DDI_BUF_CTL(PORT_A)/

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -13989,7 +13989,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 		 * On SKL pre-D0 the strap isn't connected, so we assume
 		 * it's there.
 		 */
-		found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED;
+		found = I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED;
 		/* WaIgnoreDDIAStrap: skl */
 		if (found || IS_SKYLAKE(dev))
 			intel_ddi_init(dev, PORT_A);