diff -Nru xlnx-firmware-2022.1-4/debian/changelog xlnx-firmware-2022.1-4/debian/changelog
--- xlnx-firmware-2022.1-4/debian/changelog	2023-01-13 07:14:37.000000000 +0000
+++ xlnx-firmware-2022.1-4/debian/changelog	2023-03-22 05:49:23.000000000 +0000
@@ -1,3 +1,11 @@
+xlnx-firmware (2022.1-4-0ubuntu2) lunar; urgency=medium
+
+  * Fix: fail to load *.xclbin because of the wrong symbolic link name
+
+    The symbolic link name should be /usr/lib/dpu.xclbin
+
+ -- Ethan Hsieh <ethan.hsieh@canonical.com>  Wed, 22 Mar 2023 13:49:23 +0800
+
 xlnx-firmware (2022.1-4-0ubuntu1) lunar; urgency=medium
 
   * Update firmware to tag v2022.1_22.04_4 (LP: #2006104)
diff -Nru xlnx-firmware-2022.1-4/debian/patches/add-versal-vck190-support.patch xlnx-firmware-2022.1-4/debian/patches/add-versal-vck190-support.patch
--- xlnx-firmware-2022.1-4/debian/patches/add-versal-vck190-support.patch	2023-01-13 07:14:37.000000000 +0000
+++ xlnx-firmware-2022.1-4/debian/patches/add-versal-vck190-support.patch	2023-03-22 05:49:23.000000000 +0000
@@ -101,7 +101,7 @@
 @@ -0,0 +1,28 @@
 +#!/bin/sh -ex
 +
-+xlcbin_path=/usr/lib/binary_container_1.xclbin
++xlcbin_path=/usr/lib/dpu.xclbin
 +firmware_path=/usr/share/xlnx-versal-firmware
 +current_cfg_p=
 +