diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7e0977b..0f45a18 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1572,15 +1572,20 @@
 #define   HDMID_HOTPLUG_INT_STATUS		(3 << 21)
 #define   HDMIC_HOTPLUG_INT_STATUS		(3 << 19)
 #define   HDMIB_HOTPLUG_INT_STATUS		(3 << 17)
-/* CRT/TV/SDVO common between gen3+ */
+/* CRT/TV common between gen3+ */
 #define   CRT_HOTPLUG_INT_STATUS		(1 << 11)
 #define   TV_HOTPLUG_INT_STATUS			(1 << 10)
 #define   CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
 #define   CRT_HOTPLUG_MONITOR_COLOR		(3 << 8)
 #define   CRT_HOTPLUG_MONITOR_MONO		(2 << 8)
 #define   CRT_HOTPLUG_MONITOR_NONE		(0 << 8)
-#define   SDVOC_HOTPLUG_INT_STATUS		(1 << 7)
-#define   SDVOB_HOTPLUG_INT_STATUS		(1 << 6)
+/* SDVO is different across gen3/4 */
+#define   SDVOC_HOTPLUG_INT_STATUS_G4X		(1 << 3)
+#define   SDVOB_HOTPLUG_INT_STATUS_G4X		(1 << 2)
+#define   SDVOC_HOTPLUG_INT_STATUS_I965		(3 << 4)
+#define   SDVOB_HOTPLUG_INT_STATUS_I965		(3 << 2)
+#define   SDVOC_HOTPLUG_INT_STATUS_I915		(1 << 7)
+#define   SDVOB_HOTPLUG_INT_STATUS_I915		(1 << 6)
 
 /* SDVO port control */
 #define SDVOB			0x61140