diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a5bc6a774c5a..f1f8699eedfd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1007,10 +1007,13 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_PONTEVECCHIO(dev_priv) IS_PLATFORM(dev_priv, INTEL_PONTEVECCHIO)
 
 #define IS_DG2_G10(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10_NB_MBD) || \
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10)
 #define IS_DG2_G11(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11_NB_MBD) || \
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11)
 #define IS_DG2_G12(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G12_NB_MBD) || \
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G12)
 #define IS_ADLS_RPLS(dev_priv) \
 	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index f0bf23726ed8..93da555adc4e 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -187,6 +187,18 @@ static const u16 subplatform_rpl_ids[] = {
 	INTEL_RPLP_IDS(0),
 };
 
+static const u16 subplatform_g10_mb_mbd_ids[] = {
+	INTEL_DG2_G10_NB_MBD_IDS(0),
+};
+
+static const u16 subplatform_g11_mb_mbd_ids[] = {
+	INTEL_DG2_G11_NB_MBD_IDS(0),
+};
+
+static const u16 subplatform_g12_mb_mbd_ids[] = {
+	INTEL_DG2_G12_NB_MBD_IDS(0),
+};
+
 static const u16 subplatform_g10_ids[] = {
 	INTEL_DG2_G10_IDS(0),
 	INTEL_ATS_M150_IDS(0),
@@ -246,6 +258,15 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 	} else if (find_devid(devid, subplatform_rpl_ids,
 			      ARRAY_SIZE(subplatform_rpl_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_RPL);
+	} else if (find_devid(devid, subplatform_g10_mb_mbd_ids,
+			      ARRAY_SIZE(subplatform_g10_mb_mbd_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_G10_NB_MBD);
+	} else if (find_devid(devid, subplatform_g11_mb_mbd_ids,
+			      ARRAY_SIZE(subplatform_g11_mb_mbd_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_G11_NB_MBD);
+	} else if (find_devid(devid, subplatform_g12_mb_mbd_ids,
+			      ARRAY_SIZE(subplatform_g12_mb_mbd_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_G12_NB_MBD);
 	} else if (find_devid(devid, subplatform_g10_ids,
 			      ARRAY_SIZE(subplatform_g10_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G10);
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 08341174ee0a..c929e2d7e59c 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -97,7 +97,7 @@ enum intel_platform {
  * it is fine for the same bit to be used on multiple parent platforms.
  */
 
-#define INTEL_SUBPLATFORM_BITS (3)
+#define INTEL_SUBPLATFORM_BITS (6)
 #define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)
 
 /* HSW/BDW/SKL/KBL/CFL */
@@ -111,9 +111,12 @@ enum intel_platform {
 #define INTEL_SUBPLATFORM_UY	(0)
 
 /* DG2 */
-#define INTEL_SUBPLATFORM_G10	0
-#define INTEL_SUBPLATFORM_G11	1
-#define INTEL_SUBPLATFORM_G12	2
+#define INTEL_SUBPLATFORM_G10_NB_MBD	0
+#define INTEL_SUBPLATFORM_G11_NB_MBD	1
+#define INTEL_SUBPLATFORM_G12_NB_MBD	2
+#define INTEL_SUBPLATFORM_G10	3
+#define INTEL_SUBPLATFORM_G11	4
+#define INTEL_SUBPLATFORM_G12	5
 
 /* ADL */
 #define INTEL_SUBPLATFORM_RPL	0
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 4585fed4e41e..198be417bb2d 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -693,32 +693,41 @@
 	INTEL_VGA_DEVICE(0xA7A9, info)
 
 /* DG2 */
-#define INTEL_DG2_G10_IDS(info) \
+#define INTEL_DG2_G10_NB_MBD_IDS(info) \
 	INTEL_VGA_DEVICE(0x5690, info), \
 	INTEL_VGA_DEVICE(0x5691, info), \
-	INTEL_VGA_DEVICE(0x5692, info), \
+	INTEL_VGA_DEVICE(0x5692, info)
+
+#define INTEL_DG2_G11_NB_MBD_IDS(info) \
+	INTEL_VGA_DEVICE(0x5693, info), \
+	INTEL_VGA_DEVICE(0x5694, info), \
+	INTEL_VGA_DEVICE(0x5695, info)
+
+#define INTEL_DG2_G12_NB_MBD_IDS(info) \
+	INTEL_VGA_DEVICE(0x5696, info), \
+	INTEL_VGA_DEVICE(0x5697, info)
+
+#define INTEL_DG2_G10_IDS(info) \
 	INTEL_VGA_DEVICE(0x56A0, info), \
 	INTEL_VGA_DEVICE(0x56A1, info), \
 	INTEL_VGA_DEVICE(0x56A2, info)
 
 #define INTEL_DG2_G11_IDS(info) \
-	INTEL_VGA_DEVICE(0x5693, info), \
-	INTEL_VGA_DEVICE(0x5694, info), \
-	INTEL_VGA_DEVICE(0x5695, info), \
 	INTEL_VGA_DEVICE(0x56A5, info), \
 	INTEL_VGA_DEVICE(0x56A6, info), \
 	INTEL_VGA_DEVICE(0x56B0, info), \
 	INTEL_VGA_DEVICE(0x56B1, info)
 
 #define INTEL_DG2_G12_IDS(info) \
-	INTEL_VGA_DEVICE(0x5696, info), \
-	INTEL_VGA_DEVICE(0x5697, info), \
 	INTEL_VGA_DEVICE(0x56A3, info), \
 	INTEL_VGA_DEVICE(0x56A4, info), \
 	INTEL_VGA_DEVICE(0x56B2, info), \
 	INTEL_VGA_DEVICE(0x56B3, info)
 
 #define INTEL_DG2_IDS(info) \
+	INTEL_DG2_G10_NB_MBD_IDS(info), \
+	INTEL_DG2_G11_NB_MBD_IDS(info), \
+	INTEL_DG2_G12_NB_MBD_IDS(info), \
 	INTEL_DG2_G10_IDS(info), \
 	INTEL_DG2_G11_IDS(info), \
 	INTEL_DG2_G12_IDS(info)
