[PATCH v3 2/2] 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>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
---

v3:
  - Add KUnit tests to the kunit stage.

v2:
  - Use LLVM/Clang instead of GCC to avoid architecture-specific
    toolchains for cross-compiling.

---
 drivers/gpu/drm/ci/gitlab-ci.yml |  2 ++
 drivers/gpu/drm/ci/kunit.sh      | 11 +++++++++++
 drivers/gpu/drm/ci/kunit.yml     | 33 ++++++++++++++++++++++++++++++++
 3 files changed, 46 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 ac2f498cfe5a..a9fc355c2ff5 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'
 
 
@@ -119,6 +120,7 @@ stages:
   - build-for-tests
   - build-only
   - static-checks
+  - kunit
   - code-validation
   - amdgpu
   - i915
diff --git a/drivers/gpu/drm/ci/kunit.sh b/drivers/gpu/drm/ci/kunit.sh
new file mode 100755
index 000000000000..90b8713ce7a2
--- /dev/null
+++ b/drivers/gpu/drm/ci/kunit.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+: "${KERNEL_ARCH:?ERROR: KERNEL_ARCH must be set}"
+
+./tools/testing/kunit/kunit.py run \
+  --arch "${KERNEL_ARCH}" \
+  --make_option LLVM=1 \
+  --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..37ab9cc2c9a8
--- /dev/null
+++ b/drivers/gpu/drm/ci/kunit.yml
@@ -0,0 +1,33 @@
+.kunit-packages: &kunit-packages
+  - apt-get update -qq
+  - apt-get install -y --no-install-recommends clang lld llvm
+
+.kunit-base:
+  stage: kunit
+  timeout: "30m"
+  script:
+    - drivers/gpu/drm/ci/kunit.sh
+
+kunit:arm32:
+  extends:
+    - .build:arm32
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-arm
+
+kunit:arm64:
+  extends:
+    - .build:arm64
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-aarch64
+
+kunit:x86_64:
+  extends:
+    - .build:x86_64
+    - .kunit-base
+  before_script:
+    - *kunit-packages
+    - apt-get install -y --no-install-recommends qemu-system-x86
-- 
2.47.2