diff --git a/boot/config-nomal.txt b/boot/config-nomal.txt
index 06364c5..578d736 100755
--- a/boot/config-nomal.txt
+++ b/boot/config-nomal.txt
@@ -54,3 +54,11 @@
 
 # Enable audio (loads snd_bcm2835)
 dtparam=audio=on
+
+[pi4]
+# Enable DRM VC4 V3D driver on top of the dispmanx display stack
+dtoverlay=vc4-fkms-v3d
+max_framebuffers=2
+
+[all]
+#dtoverlay=vc4-fkms-v3d
diff --git a/usr/cmdline.txt-original b/usr/cmdline.txt-original
index e6f97d1..a1e1fbb 100644
--- a/usr/cmdline.txt-original
+++ b/usr/cmdline.txt-original
@@ -1 +1 @@
-dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=c9743830-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles
+dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=f27bf3fc-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles