From 03e7966650c29cf8e563c8fcacc1ae1edf2f3efa Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 16 Oct 2025 11:04:25 +0200
Subject: [PATCH] ci: fix VKMS lookup after faux bus migration

VKMS has been migrated to the new faux bus. This causes breakage
in CI, because we used the platform bus to find the right device.

udev hasn't been updated yet to support the faux bus, so just use
sysfs instead.
---
 .builds/archlinux.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.builds/archlinux.yml b/.builds/archlinux.yml
index 8457ed585..fae04ab31 100644
--- a/.builds/archlinux.yml
+++ b/.builds/archlinux.yml
@@ -41,9 +41,10 @@ tasks:
       cd wlroots/build-gcc/tinywl
       sudo modprobe vkms
       udevadm settle
+      card="/dev/dri/$(ls /sys/devices/faux/vkms/drm/ | grep ^card)"
       export WLR_BACKENDS=drm
       export WLR_RENDERER=pixman
-      export WLR_DRM_DEVICES=/dev/dri/by-path/platform-vkms-card
+      export WLR_DRM_DEVICES="$card"
       export UBSAN_OPTIONS=halt_on_error=1
-      sudo chmod ugo+rw /dev/dri/by-path/platform-vkms-card
+      sudo chmod ugo+rw "$card"
       sudo -E seatd-launch -- ./tinywl -s 'kill $PPID' || [ $? = 143 ]