From 681924cb1a03c67b4939204aa8e37c791f25b74c Mon Sep 17 00:00:00 2001
From: Jamie <100425+jamiej@users.noreply.github.com>
Date: Fri, 26 Jun 2026 05:06:27 -0700
Subject: [PATCH] fix(build.func): set /dev/kfd GID in fix_gpu_gids for AMD
 ROCm (#15401)

Update LXC config and privileged-container permissions for /dev/kfd
to use the render group, matching renderD* handling and tools.func.
---
 misc/build.func | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/misc/build.func b/misc/build.func
index 3106a16c4..557a5abd6 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -5430,6 +5430,7 @@ fix_gpu_gids() {
   # Update dev entries with correct GIDs
   sed -i.bak -E "s|(dev[0-9]+: /dev/dri/renderD[0-9]+),gid=[0-9]+|\1,gid=${render_gid}|g" "$LXC_CONFIG"
   sed -i -E "s|(dev[0-9]+: /dev/dri/card[0-9]+),gid=[0-9]+|\1,gid=${video_gid}|g" "$LXC_CONFIG"
+  sed -i -E "s|(dev[0-9]+: /dev/kfd),gid=[0-9]+|\1,gid=${render_gid}|g" "$LXC_CONFIG"
 
   # Restart container
   pct start "$CTID" >/dev/null 2>&1
@@ -5451,6 +5452,10 @@ fix_gpu_gids() {
           fi
         done
       fi
+      if [ -e /dev/kfd ]; then
+        chgrp ${render_gid} /dev/kfd 2>/dev/null || true
+        chmod 660 /dev/kfd 2>/dev/null || true
+      fi
     " >/dev/null 2>&1
   fi
 }