From 3c7b470ef55080354901ad013461f759e2382d8f Mon Sep 17 00:00:00 2001
From: Nick Sarnie <nick.sarnie@intel.com>
Date: Wed, 12 Aug 2026 12:13:40 -0700
Subject: [PATCH] [CI] Add LTS driver job to nightly

Signed-off-by: Nick Sarnie <nick.sarnie@intel.com>

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 .github/workflows/sycl-nightly.yml | 48 ++++++++++++++++++++++++++++++
 devops/lts-driver-tests            |  6 ++++
 2 files changed, 54 insertions(+)
 create mode 100644 devops/lts-driver-tests

diff --git a/.github/workflows/sycl-nightly.yml b/.github/workflows/sycl-nightly.yml
index 3407e9fd22d41..4ec5766e34c57 100644
--- a/.github/workflows/sycl-nightly.yml
+++ b/.github/workflows/sycl-nightly.yml
@@ -234,6 +234,54 @@ jobs:
       toolchain_artifact_filename: ${{ needs.ubuntu2204_build.outputs.toolchain_artifact_filename }}
       toolchain_decompress_command: ${{ needs.ubuntu2204_build.outputs.toolchain_decompress_command }}
 
+  lts_driver_read_tests:
+    name: Read LTS driver test list
+    if: github.repository == 'intel/llvm'
+    runs-on: [Linux, aux-tasks]
+    outputs:
+      LIT_FILTER: ${{ steps.read_filter.outputs.LIT_FILTER }}
+    steps:
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      with:
+        persist-credentials: false
+        sparse-checkout: |
+          devops/
+    - name: Register cleanup after job is finished
+      uses: ./devops/actions/cleanup
+    - id: read_filter
+      shell: bash
+      run: |
+        # Transform to LIT_FILTER format:
+        # First, remove comments/empty lines, then join lines with "|" as separator.
+        echo LIT_FILTER="$(grep -v '^#\|^\W*$' devops/lts-driver-tests | paste -sd '|')" >> $GITHUB_OUTPUT
+
+  ubuntu2204_test_lts_driver:
+    needs: [ubuntu2204_build, lts_driver_read_tests]
+    name: E2E on Intel LTS driver with ${{ matrix.enable_new_offload_model == 'True' && 'New Offload Model' || 'Old Offload Model' }}
+    permissions:
+      contents: write
+      packages: read
+    if: ${{ !cancelled() && needs.ubuntu2204_build.outputs.build_conclusion == 'success' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        enable_new_offload_model: ['False', 'True']
+
+    uses: ./.github/workflows/sycl-linux-run-tests.yml
+    with:
+      name: Intel PVC L0 LTS driver with ${{ matrix.enable_new_offload_model == 'True' && 'New Offload Model' || 'Old Offload Model' }}
+      runner: '["Linux", "pvc_lts"]'
+      image: ghcr.io/intel/llvm/ubuntu2204_intel_lts_drivers:latest
+      image_options: -u 1001 --device=/dev/dri -v /dev/dri/by-path:/dev/dri/by-path --privileged --cap-add SYS_ADMIN
+      target_devices: level_zero:gpu
+      tests_selector: e2e
+      extra_lit_opts: "--param 'cxx_flags=-D_GLIBCXX_USE_CXX11_ABI=0' --param enable_new_offload_model=${{ matrix.enable_new_offload_model }}"
+      env: '{"LIT_FILTER":"${{ needs.lts_driver_read_tests.outputs.LIT_FILTER }}"}'
+      repo_ref: ${{ github.sha }}
+      toolchain_artifact: ${{ needs.ubuntu2204_build.outputs.toolchain_artifact }}
+      toolchain_artifact_filename: ${{ needs.ubuntu2204_build.outputs.toolchain_artifact_filename }}
+      toolchain_decompress_command: ${{ needs.ubuntu2204_build.outputs.toolchain_decompress_command }}
+
   ubuntu2404_oneapi_test:
     needs: [ubuntu2404_oneapi_build]
     permissions:
diff --git a/devops/lts-driver-tests b/devops/lts-driver-tests
new file mode 100644
index 0000000000000..635d55be8e330
--- /dev/null
+++ b/devops/lts-driver-tests
@@ -0,0 +1,6 @@
+# List of E2E tests to run against the nightly Intel LTS GPU driver job.
+Basic/built-ins.cpp
+Basic/buffer/buffer_dev_to_dev.cpp
+Scheduler/InOrderQueueDeps.cpp
+Reduction/reduction_deterministic.cpp
+USM/mixed.cpp