From ddee006c1da6b4c165df97ab41c3c039a8b73647 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Mon, 30 Aug 2021 11:01:30 +0200
Subject: [PATCH] ci: Ensure the DRM device is open

... before changing the PM settings.

Otherwise, we hit a kernel warning in Qualcomm devices and the device is
left in a non-functional state.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12644>
---
 .gitlab-ci/common/init-stage2.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.gitlab-ci/common/init-stage2.sh b/.gitlab-ci/common/init-stage2.sh
index df52b30bda0..53b904156c6 100755
--- a/.gitlab-ci/common/init-stage2.sh
+++ b/.gitlab-ci/common/init-stage2.sh
@@ -23,6 +23,9 @@ export XDG_CACHE_HOME=/tmp
 export PYTHONPATH=$(python3 -c "import sys;print(\":\".join(sys.path))")
 
 if [ "$HWCI_FREQ_MAX" = "true" ]; then
+  # Ensure initialization of the DRM device (needed by MSM)
+  head -0 /dev/dri/renderD128
+
   # Disable GPU frequency scaling
   DEVFREQ_GOVERNOR=`find /sys/devices -name governor | grep gpu || true`
   test -z "$DEVFREQ_GOVERNOR" || echo performance > $DEVFREQ_GOVERNOR || true