diff --git a/src/intel/genxml/gen125.xml b/src/intel/genxml/gen125.xml
index 3f42852f5cb..bf6d0912269 100644
--- a/src/intel/genxml/gen125.xml
+++ b/src/intel/genxml/gen125.xml
@@ -712,12 +712,14 @@
   </struct>
 
   <struct name="POSTSYNC_DATA" length="5">
-    <group count="2" start="0" size="11">
-      <field name="MOCS" start="4" end="10" type="uint" nonzero="true"/>
-      <field name="L3 flush" start="3" end="3" type="bool"/>
-      <field name="HDC Pipeline Flush" start="2" end="2" type="bool"/>
-      <field name="Operation" start="0" end="1" type="uint" default="0"/>
-    </group>
+    <field name="Operation" start="0" end="1" type="uint" default="0">
+      <value name="No Write" value="0"/>
+      <value name="Write Immediate Data" value="1"/>
+      <value name="Write Timestamp" value="3"/>
+    </field>
+    <field name="HDC Pipeline Flush" start="2" end="2" type="bool"/>
+    <field name="L3 flush" start="3" end="3" type="bool"/>
+    <field name="MOCS" start="4" end="10" type="uint" nonzero="true"/>
     <field name="Destination Address" start="32" end="95" type="address"/>
     <field name="Immediate Data" start="96" end="159" type="uint"/>
   </struct>