From 04e7eaccf5039db5369ccf87957873989f59f01f Mon Sep 17 00:00:00 2001
From: Peter Caday <peter.caday@intel.com>
Date: Fri, 25 Oct 2024 12:09:13 -0700
Subject: [PATCH] xe: ocl: workaround for older Xe2 Windows drivers

---
 src/gpu/intel/ocl/ocl_utils.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gpu/intel/ocl/ocl_utils.cpp b/src/gpu/intel/ocl/ocl_utils.cpp
index c5cca23b8d9..1d7cc09e36e 100644
--- a/src/gpu/intel/ocl/ocl_utils.cpp
+++ b/src/gpu/intel/ocl/ocl_utils.cpp
@@ -366,6 +366,11 @@ status_t get_ocl_device_eu_count(cl_device_id device,
     //   for certain buggy drivers.
     bool ok = true;
 
+#ifdef _WIN32
+    // But don't try this on Windows Xe2 to avoid undercounting EUs.
+    ok &= (arch != gpu::intel::compute::gpu_arch_t::xe2);
+#endif
+
     auto do_query = [&](cl_uint query) -> cl_uint {
         cl_uint val = 0;
         ok = ok