case INTEL_PCH_CNP_DEVICE_ID_TYPE:
                drm_dbg_kms(&dev_priv->drm, "Found Cannon Lake PCH (CNP)\n");
                drm_WARN_ON(&dev_priv->drm,
-                           !IS_CANNONLAKE(dev_priv) &&
                            !IS_COFFEELAKE(dev_priv) &&
                            !IS_COMETLAKE(dev_priv));
                return PCH_CNP;
                drm_dbg_kms(&dev_priv->drm,
                            "Found Cannon Lake LP PCH (CNP-LP)\n");
                drm_WARN_ON(&dev_priv->drm,
-                           !IS_CANNONLAKE(dev_priv) &&
                            !IS_COFFEELAKE(dev_priv) &&
                            !IS_COMETLAKE(dev_priv));
                return PCH_CNP;
                id = INTEL_PCH_MCC_DEVICE_ID_TYPE;
        else if (IS_ICELAKE(dev_priv))
                id = INTEL_PCH_ICP_DEVICE_ID_TYPE;
-       else if (IS_CANNONLAKE(dev_priv) ||
-                IS_COFFEELAKE(dev_priv) ||
+       else if (IS_COFFEELAKE(dev_priv) ||
                 IS_COMETLAKE(dev_priv))
                id = INTEL_PCH_CNP_DEVICE_ID_TYPE;
        else if (IS_KABYLAKE(dev_priv) || IS_SKYLAKE(dev_priv))