[PATCH] HP ZX1 AGP/DRM support.

From 2.4

drivers/char/drm/drm_agpsupport.h

@@ -317,6 +317,8 @@ drm_agp_head_t *DRM(agp_init)(void)
 			break;
 #endif
 
+		case HP_ZX1:		head->chipset = "HP ZX1";	 break;
+
 		default:		head->chipset = "Unknown";       break;
 		}
 #if LINUX_VERSION_CODE <= 0x020408

include/linux/agp_backend.h

@@ -75,7 +75,8 @@ enum chipset_type {
 	ALI_GENERIC,
 	SVWRKS_HE,
 	SVWRKS_LE,
-	SVWRKS_GENERIC
+	SVWRKS_GENERIC,
+	HP_ZX1,
 };
 
 typedef struct _agp_version {