From d586813d5f0cb81df9773f5c5ef80e2243b87d26 Mon Sep 17 00:00:00 2001
From: Cyril Brulebois <cyril@debamax.com>
Date: Sat, 20 Jul 2024 15:24:09 +0200
Subject: [PATCH] Preconfigure raspi-firmware to avoid cma=64M on the kernel
 cmdline.

---
 raspberrypi/recipes/pi5.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/raspberrypi/recipes/pi5.sh b/raspberrypi/recipes/pi5.sh
index f187b43..ac2a9e5 100644
--- a/raspberrypi/recipes/pi5.sh
+++ b/raspberrypi/recipes/pi5.sh
@@ -36,6 +36,11 @@ toast_me() {
 
   ### BEGIN: Pi 5 section
 
+  # Preconfigure raspi-firmware to disable the default cma= setting on the
+  # kernel command line. Don't run the hook manually, the linux-image install
+  # below will take care of it.
+  sed '/^#CMA=/a CMA=0' -i $MNT/etc/default/raspi-firmware
+
   # Configure Raspberry Pi repository
   cat > $MNT/etc/apt/sources.list.d/raspberrypi.list <<EOF
 # Only some specific packages are installed from there (see pirogue.pref):