Mesa (main): ci: Ensure the DRM device is open

[GitLab Mirror]

Module: Mesa
Branch: main
Commit: ddee006c1da6b4c165df97ab41c3c039a8b73647
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ddee006c1da6b4c165df97ab41c3c039a8b73647

Author: Tomeu Vizoso <tomeu.vizoso at collabora.com>
Date:   Mon Aug 30 11:01:30 2021 +0200

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 at collabora.com>
Acked-by: Daniel Stone <daniels at collabora.com>
Acked-by: Rob Clark <robdclark at 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