From 56127d0d9b7c1b9a2dc7e73b42fe640d58a723b9 Mon Sep 17 00:00:00 2001
From: Manish Bhardwaj <mbhardwaj@nvidia.com>
Date: Fri, 20 Sep 2024 19:50:09 +0000
Subject: [PATCH] nvidia-oot: add support to use upstream ivc driver

add conftest support to use upstream ivc driver
if tegra_ivc_empty API is exported by kernel.

Bug 4551265

Change-Id: I030bf0c4012aedf4ec623fba2b397869972061a1
Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3214054
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
---
 scripts/conftest/Makefile    |  1 +
 scripts/conftest/conftest.sh | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/scripts/conftest/Makefile b/scripts/conftest/Makefile
index 6c21b96f..b4e4544b 100644
--- a/scripts/conftest/Makefile
+++ b/scripts/conftest/Makefile
@@ -186,6 +186,7 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += tc_taprio_qopt_offload_struct_has_cmd
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra264_chip_id
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_dev_iommu_get_stream_id
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_ivc_struct_has_iosys_map
+NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_ivc_use_ivc_ext_driver
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += thermal_zone_device_priv
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += thermal_zone_device_ops_struct_has_get_trip_type
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += thermal_zone_for_each_trip
diff --git a/scripts/conftest/conftest.sh b/scripts/conftest/conftest.sh
index f538e6ed..65e148f7 100755
--- a/scripts/conftest/conftest.sh
+++ b/scripts/conftest/conftest.sh
@@ -8109,6 +8109,19 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_TEGRA_IVC_STRUCT_HAS_IOSYS_MAP" "" "types"
         ;;
 
+        tegra_ivc_use_ivc_ext_driver)
+            #
+            # Determine to use ivc ext driver
+            #
+            CODE="
+            #include <soc/tegra/ivc.h>
+            void conftest_tegra_ivc_use_ivc_ext_driver(void) {
+                    tegra_ivc_empty();
+            }"
+
+            compile_check_conftest "$CODE" "NV_TEGRA_IVC_USE_IVC_EXT_DRIVER" "" "types"
+        ;;
+
         thermal_zone_device_priv)
             #
             # Determine if the function thermal_zone_device_priv() is present.