[PATCH v1 3/3] drm/ci: Add jobs to run KUnit tests

[Vignesh Raman <vignesh.raman@collabora.com>]

Add jobs to run KUnit tests using tools/testing/kunit/kunit.py tool.

Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
---
 drivers/gpu/drm/ci/gitlab-ci.yml |  1 +
 drivers/gpu/drm/ci/kunit.sh      | 34 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/ci/kunit.yml     | 19 ++++++++++++++++++
 3 files changed, 54 insertions(+)
 create mode 100755 drivers/gpu/drm/ci/kunit.sh
 create mode 100644 drivers/gpu/drm/ci/kunit.yml

diff --git a/drivers/gpu/drm/ci/gitlab-ci.yml b/drivers/gpu/drm/ci/gitlab-ci.yml
index 9e61b49e9960..90ae57ca86a1 100644
--- a/drivers/gpu/drm/ci/gitlab-ci.yml
+++ b/drivers/gpu/drm/ci/gitlab-ci.yml
@@ -109,6 +109,7 @@ include:
   - drivers/gpu/drm/ci/build.yml
   - drivers/gpu/drm/ci/test.yml
   - drivers/gpu/drm/ci/check-devicetrees.yml
+  - drivers/gpu/drm/ci/kunit.yml
   - 'https://gitlab.freedesktop.org/gfx-ci/lab-status/-/raw/main/lab-status.yml'
 
 
diff --git a/drivers/gpu/drm/ci/kunit.sh b/drivers/gpu/drm/ci/kunit.sh
new file mode 100755
index 000000000000..197b19d05fba
--- /dev/null
+++ b/drivers/gpu/drm/ci/kunit.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+case "${KERNEL_ARCH}" in
+    "arm")
+        QEMU_PKG="qemu-system-arm"
+        GCC_ARCH="arm-linux-gnueabihf"
+        ;;
+    "arm64")
+        QEMU_PKG="qemu-system-aarch64"
+        GCC_ARCH="aarch64-linux-gnu"
+        ;;
+    "x86_64")
+        QEMU_PKG="qemu-system-x86"
+        GCC_ARCH="x86_64-linux-gnu"
+        ;;
+    *)
+        echo "Unsupported architecture: ${KERNEL_ARCH}"
+        exit 1
+        ;;
+esac
+
+export ARCH="${KERNEL_ARCH}"
+export CROSS_COMPILE="${GCC_ARCH}-"
+
+apt-get update -qq && apt-get install -y --no-install-recommends "${QEMU_PKG}"
+
+. drivers/gpu/drm/ci/override-ld-with-bfd.sh
+
+./tools/testing/kunit/kunit.py run \
+  --arch "${ARCH}" \
+  --kunitconfig=drivers/gpu/drm/tests
diff --git a/drivers/gpu/drm/ci/kunit.yml b/drivers/gpu/drm/ci/kunit.yml
new file mode 100644
index 000000000000..95a893b9d641
--- /dev/null
+++ b/drivers/gpu/drm/ci/kunit.yml
@@ -0,0 +1,19 @@
+.kunit-base:
+  timeout: "30m"
+  script:
+    - drivers/gpu/drm/ci/kunit.sh
+
+kunit:arm32:
+  extends:
+    - .build:arm32
+    - .kunit-base
+
+kunit:arm64:
+  extends:
+    - .build:arm64
+    - .kunit-base
+
+kunit:x86_64:
+  extends:
+    - .build:x86_64
+    - .kunit-base
-- 
2.47.2