diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h
index 70ca4fa55c9d..4f317ec092ee 100644
--- a/drivers/char/drm/drm_pciids.h
+++ b/drivers/char/drm/drm_pciids.h
@@ -116,9 +116,10 @@
 	{0, 0, 0}
 
 #define mga_PCI_IDS \
-	{0x102b, 0x0521, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
-	{0x102b, 0x0525, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
-	{0x102b, 0x2527, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
+	{0x102b, 0x0520, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G200}, \
+	{0x102b, 0x0521, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G200}, \
+	{0x102b, 0x0525, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G400}, \
+	{0x102b, 0x2527, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MGA_CARD_TYPE_G550}, \
 	{0, 0, 0}
 
 #define mach64_PCI_IDS \
diff --git a/drivers/char/drm/mga_drm.h b/drivers/char/drm/mga_drm.h
index 521d4451d012..4500e6e4920a 100644
--- a/drivers/char/drm/mga_drm.h
+++ b/drivers/char/drm/mga_drm.h
@@ -73,7 +73,8 @@
 
 #define MGA_CARD_TYPE_G200	1
 #define MGA_CARD_TYPE_G400	2
-
+#define MGA_CARD_TYPE_G450	3       /* not currently used */
+#define MGA_CARD_TYPE_G550	4
 
 #define MGA_FRONT		0x1
 #define MGA_BACK		0x2