From 784451f4d14f9a5cf8bbb2619f0691fb09f7f90d Mon Sep 17 00:00:00 2001
From: Paritosh Dixit <paritoshd@nvidia.com>
Date: Wed, 15 Apr 2026 15:21:44 +0000
Subject: [PATCH] fix(install): support Jetson BSP R39+ in host setup script

R39 and later BSP versions do not require any host customization.
Detect the L4T release number arithmetically so future versions
are handled automatically without needing script changes.

Signed-off-by: Paritosh Dixit <paritoshd@nvidia.com>
---
 scripts/setup-jetson.sh | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/scripts/setup-jetson.sh b/scripts/setup-jetson.sh
index 523d5ba8d77..cb113db8cb9 100755
--- a/scripts/setup-jetson.sh
+++ b/scripts/setup-jetson.sh
@@ -26,15 +26,25 @@ get_jetpack_version() {
   revision="$(printf '%s\n' "$release_line" | sed -n 's/^.*REVISION: \([0-9][0-9]*\)\..*$/\1/p')"
   l4t_version="${release}.${revision}"
 
+  if [[ -z "$release" ]]; then
+    info "Jetson detected but could not parse L4T release — skipping host setup" >&2
+    return 0
+  fi
+
+  if ((release >= 39)); then
+    info "Jetson detected (L4T $l4t_version) — this version does not require any host setup" >&2
+    return 0
+  fi
+
   case "$l4t_version" in
     36.*)
       printf "%s" "jp6"
       ;;
     38.*)
-      printf "%s" "jp7"
+      printf "%s" "jp7-r38"
       ;;
     *)
-      info "Jetson detected (L4T $l4t_version) but version is not recognized — skipping host setup"
+      info "Jetson detected (L4T $l4t_version) but version is not recognized — skipping host setup" >&2
       ;;
   esac
 }
@@ -52,8 +62,8 @@ configure_jetson_host() {
       "${SUDO[@]}" update-alternatives --set iptables /usr/sbin/iptables-legacy
       "${SUDO[@]}" sed -i '/"iptables": false,/d; /"bridge": "none"/d; s/"default-runtime": "nvidia",/"default-runtime": "nvidia"/' /etc/docker/daemon.json
       ;;
-    jp7)
-      # JP7 (Thor) does not need iptables or Docker daemon.json changes.
+    jp7-r38)
+      # JP7 R38 does not need iptables or Docker daemon.json changes.
       ;;
     *)
       error "Unsupported Jetson version: $jetpack_version"