linux-kernel - [PATCH v3 1/2] drm/ci: Add jobs to validate devicetrees

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Message-ID: <20250417030439.737924-2-vignesh.raman@collabora.com>
Date: Thu, 17 Apr 2025 08:34:34 +0530
From: Vignesh Raman <vignesh.raman@...labora.com>
To: dri-devel@...ts.freedesktop.org
Cc: daniels@...labora.com,
	daniel@...ishbar.org,
	helen.fornazier@...il.com,
	airlied@...il.com,
	simona.vetter@...ll.ch,
	robdclark@...il.com,
	guilherme.gallo@...labora.com,
	sergi.blanch.torne@...labora.com,
	valentine.burley@...labora.com,
	lumag@...nel.org,
	dmitry.baryshkov@....qualcomm.com,
	quic_abhinavk@...cinc.com,
	mripard@...nel.org,
	maarten.lankhorst@...ux.intel.com,
	tzimmermann@...e.de,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/2] drm/ci: Add jobs to validate devicetrees

Add jobs to run dt_binding_check and dtbs_check. If warnings are seen,
exit with a non-zero error code while configuring them as warning in
the GitLab CI pipeline.

Signed-off-by: Vignesh Raman <vignesh.raman@...labora.com>
Reviewed-by: Maxime Ripard <mripard@...nel.org>
Acked-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---

v3:
  - Add dt-binding-check and dtbs-check jobs to the static-checks stage.

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

---
 drivers/gpu/drm/ci/check-devicetrees.yml | 44 ++++++++++++++++++++++++
 drivers/gpu/drm/ci/dt-binding-check.sh   | 16 +++++++++
 drivers/gpu/drm/ci/dtbs-check.sh         | 19 ++++++++++
 drivers/gpu/drm/ci/gitlab-ci.yml         |  2 ++
 4 files changed, 81 insertions(+)
 create mode 100644 drivers/gpu/drm/ci/check-devicetrees.yml
 create mode 100755 drivers/gpu/drm/ci/dt-binding-check.sh
 create mode 100755 drivers/gpu/drm/ci/dtbs-check.sh

diff --git a/drivers/gpu/drm/ci/check-devicetrees.yml b/drivers/gpu/drm/ci/check-devicetrees.yml
new file mode 100644
index 000000000000..75c9b009da1f
--- /dev/null
+++ b/drivers/gpu/drm/ci/check-devicetrees.yml
@@ -0,0 +1,44 @@
+.dt-check-base:
+  stage: static-checks
+  timeout: "30m"
+  variables:
+    FF_USE_NEW_BASH_EVAL_STRATEGY: 'true'
+    SCHEMA: "display"
+  before_script:
+    - apt-get update -qq
+    - apt-get install -y --no-install-recommends clang lld llvm python3-pip yamllint
+    - pip3 install dtschema
+  script:
+    - drivers/gpu/drm/ci/${SCRIPT_NAME}
+  artifacts:
+    when: on_failure
+    paths:
+      - ${ARTIFACT_FILE}
+  allow_failure:
+    exit_codes:
+      - 102
+
+dtbs-check:arm32:
+  extends:
+    - .build:arm32
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dtbs-check.sh"
+    ARTIFACT_FILE: "dtbs-check.log"
+
+dtbs-check:arm64:
+  extends:
+    - .build:arm64
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dtbs-check.sh"
+    ARTIFACT_FILE: "dtbs-check.log"
+
+dt-binding-check:
+  extends:
+    - .build
+    - .use-debian/x86_64_build
+    - .dt-check-base
+  variables:
+    SCRIPT_NAME: "dt-binding-check.sh"
+    ARTIFACT_FILE: "dt-binding-check.log"
diff --git a/drivers/gpu/drm/ci/dt-binding-check.sh b/drivers/gpu/drm/ci/dt-binding-check.sh
new file mode 100755
index 000000000000..5e9a439c48a4
--- /dev/null
+++ b/drivers/gpu/drm/ci/dt-binding-check.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+if ! make -j"${FDO_CI_CONCURRENT:-4}" dt_binding_check \
+        DT_SCHEMA_FILES="${SCHEMA:-}" 2>dt-binding-check.log; then
+    echo "ERROR: 'make dt_binding_check' failed. Please check dt-binding-check.log for details."
+    exit 1
+fi
+
+if [[ -s dt-binding-check.log ]]; then
+    echo "WARNING: dt_binding_check reported warnings. Please check dt-binding-check.log" \
+         "for details."
+    exit 102
+fi
diff --git a/drivers/gpu/drm/ci/dtbs-check.sh b/drivers/gpu/drm/ci/dtbs-check.sh
new file mode 100755
index 000000000000..91212f19fb98
--- /dev/null
+++ b/drivers/gpu/drm/ci/dtbs-check.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+set -euxo pipefail
+
+: "${KERNEL_ARCH:?ERROR: KERNEL_ARCH must be set}"
+
+make LLVM=1 ARCH="${KERNEL_ARCH}" defconfig
+
+if ! make -j"${FDO_CI_CONCURRENT:-4}" ARCH="${KERNEL_ARCH}" LLVM=1 dtbs_check \
+        DT_SCHEMA_FILES="${SCHEMA:-}" 2>dtbs-check.log; then
+    echo "ERROR: 'make dtbs_check' failed. Please check dtbs-check.log for details."
+    exit 1
+fi
+
+if [[ -s dtbs-check.log ]]; then
+    echo "WARNING: dtbs_check reported warnings. Please check dtbs-check.log for details."
+    exit 102
+fi
diff --git a/drivers/gpu/drm/ci/gitlab-ci.yml b/drivers/gpu/drm/ci/gitlab-ci.yml
index 65adcd97e06b..ac2f498cfe5a 100644
--- a/drivers/gpu/drm/ci/gitlab-ci.yml
+++ b/drivers/gpu/drm/ci/gitlab-ci.yml
@@ -108,6 +108,7 @@ include:
   - drivers/gpu/drm/ci/static-checks.yml
   - drivers/gpu/drm/ci/build.yml
   - drivers/gpu/drm/ci/test.yml
+  - drivers/gpu/drm/ci/check-devicetrees.yml
   - 'https://gitlab.freedesktop.org/gfx-ci/lab-status/-/raw/main/lab-status.yml'
 
 
@@ -117,6 +118,7 @@ stages:
   - git-archive
   - build-for-tests
   - build-only
+  - static-checks
   - code-validation
   - amdgpu
   - i915
-- 
2.47.2