diff --git a/src/intel/genxml/gen110.xml b/src/intel/genxml/gen110.xml
index 353380037ff..33e67caabff 100644
--- a/src/intel/genxml/gen110.xml
+++ b/src/intel/genxml/gen110.xml
@@ -2528,7 +2528,11 @@
     <field name="Video Pipeline Cache Invalidate" start="7" end="7" type="bool" />
     <field name="Notify Enable" start="8" end="8" type="bool" />
     <field name="Flush LLC" start="9" end="9" type="bool" />
-    <field name="Post-Sync Operation" start="14" end="15" type="uint" />
+    <field name="Post-Sync Operation" start="14" end="15" type="uint">
+      <value name="No Write" value="0" />
+      <value name="Write Immediate Data" value="1" />
+      <value name="Write Timestamp" value="3" />
+    </field>
     <field name="TLB Invalidate" start="18" end="18" type="bool" />
     <field name="Store Data Index" start="21" end="21" type="uint" />
     <field name="MI Command Opcode" start="23" end="28" type="uint" default="38" />
diff --git a/src/intel/genxml/gen125.xml b/src/intel/genxml/gen125.xml
index 5e1f2e22fc9..d051f86d498 100644
--- a/src/intel/genxml/gen125.xml
+++ b/src/intel/genxml/gen125.xml
@@ -1673,7 +1673,11 @@
     <field name="Video Pipeline Cache Invalidate" start="7" end="7" type="bool" />
     <field name="Notify Enable" start="8" end="8" type="bool" />
     <field name="Flush LLC" start="9" end="9" type="bool" />
-    <field name="Post-Sync Operation" start="14" end="15" type="uint" />
+    <field name="Post-Sync Operation" start="14" end="15" type="uint">
+      <value name="No Write" value="0" />
+      <value name="Write Immediate Data" value="1" />
+      <value name="Write Timestamp" value="3" />
+    </field>
     <field name="Flush CCS" start="16" end="16" type="bool" />
     <field name="TLB Invalidate" start="18" end="18" type="bool" />
     <field name="Store Data Index" start="21" end="21" type="uint" />
diff --git a/src/intel/genxml/gen90.xml b/src/intel/genxml/gen90.xml
index 0c647bc0ab4..32be3aca638 100644
--- a/src/intel/genxml/gen90.xml
+++ b/src/intel/genxml/gen90.xml
@@ -3422,7 +3422,11 @@
     <field name="Video Pipeline Cache Invalidate" start="7" end="7" type="bool" />
     <field name="Notify Enable" start="8" end="8" type="bool" />
     <field name="Flush LLC" start="9" end="9" type="bool" />
-    <field name="Post-Sync Operation" start="14" end="15" type="uint" />
+    <field name="Post-Sync Operation" start="14" end="15" type="uint">
+      <value name="No Write" value="0" />
+      <value name="Write Immediate Data" value="1" />
+      <value name="Write Timestamp" value="3" />
+    </field>
     <field name="TLB Invalidate" start="18" end="18" type="bool" />
     <field name="Store Data Index" start="21" end="21" type="uint" />
     <field name="MI Command Opcode" start="23" end="28" type="uint" default="38" />