drm/i915/display: fix phy name

Pass the correct variable as argument.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191217230529.25092-3-lucas.demarchi@intel.com

drivers/gpu/drm/i915/display/intel_ddi.c

@@ -3022,7 +3022,7 @@ static void icl_sanitize_port_clk_off(struct drm_i915_private *dev_priv,
 			continue;
 
 		DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
-			 phy_name(port));
+			 phy_name(phy));
 		val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy);
 		I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 	}