diff --git a/meta-yocto/conf/machine/mpc8315e-rdb.conf b/meta-yocto/conf/machine/mpc8315e-rdb.conf
index 34b75bbc8a..095d113f2c 100644
--- a/meta-yocto/conf/machine/mpc8315e-rdb.conf
+++ b/meta-yocto/conf/machine/mpc8315e-rdb.conf
@@ -14,6 +14,9 @@ MACHINE_FEATURES = "kernel26 keyboard pci ext2 ext3 serial"
 
 PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
 #PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
+PREFERRED_PROVIDER_virtual/xserver = "xserver-kdrive"
+XSERVER = "xserver-kdrive-fbdev"
+
 
 UBOOT_ENTRYPOINT = "0x00000000"
 
diff --git a/meta-yocto/conf/machine/routerstationpro.conf b/meta-yocto/conf/machine/routerstationpro.conf
index 71107a6198..37af0ab485 100644
--- a/meta-yocto/conf/machine/routerstationpro.conf
+++ b/meta-yocto/conf/machine/routerstationpro.conf
@@ -14,6 +14,9 @@ KERNEL_ALT_IMAGETYPE = "vmlinux.bin"
 
 PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
 #PREFERRED_PROVIDER_linux-libc-headers ?= "linux-libc-headers-yocto"
+PREFERRED_PROVIDER_virtual/xserver = "xserver-kdrive"
+XSERVER = "xserver-kdrive-fbdev"
+
 
 SERIAL_CONSOLE = "115200 ttyS0"