[PATCH i-g-t v2] tests/intel: skip subtests using "mocs" debugfs if it's not present

[Lukasz Laguna]

The "mocs" debugfs entry is expected to be missing on VFs, so instead of
asserting its presence, skip the subtests if it is not available.

Signed-off-by: Lukasz Laguna <lukasz.laguna at intel.com>
---
v2:
- use %s to print required debugfs entry (Kamil)
---
 tests/intel/xe_exec_reset.c | 11 +++++++----
 tests/intel/xe_pm.c         |  4 +++-
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/tests/intel/xe_exec_reset.c b/tests/intel/xe_exec_reset.c
index 67b7bb826..7ae53c679 100644
--- a/tests/intel/xe_exec_reset.c
+++ b/tests/intel/xe_exec_reset.c
@@ -597,19 +597,22 @@ static void
 gt_mocs_reset(int fd, int gt)
 {
 	char path[256];
+	char *mocs_content_pre, *mocs_contents_post;
+
+	sprintf(path, "gt%d/mocs", gt);
+	igt_require_f(igt_debugfs_exists(fd, path, O_RDONLY),
+		      "Failed to open required debugfs entry: %s\n", path);
 
 	/* Mocs debugfs contents before and after GT reset.
 	 * Allocate memory to store 10k characters sufficient enough
 	 * to store global mocs and lncf mocs data.
 	 */
-	char *mocs_content_pre = (char *)malloc(10000 * sizeof(char));
-	char *mocs_contents_post = (char *)malloc(10000 * sizeof(char));
+	mocs_content_pre = (char *)malloc(10000 * sizeof(char));
+	mocs_contents_post = (char *)malloc(10000 * sizeof(char));
 
 	igt_assert(mocs_content_pre);
 	igt_assert(mocs_contents_post);
 
-	sprintf(path, "gt%d/mocs", gt);
-	igt_assert(igt_debugfs_exists(fd, path, O_RDONLY));
 	igt_debugfs_dump(fd, path);
 	igt_debugfs_read(fd, path, mocs_content_pre);
 
diff --git a/tests/intel/xe_pm.c b/tests/intel/xe_pm.c
index 6eb21d5ec..7e9324eec 100644
--- a/tests/intel/xe_pm.c
+++ b/tests/intel/xe_pm.c
@@ -743,7 +743,9 @@ static void test_mocs_suspend_resume(device_t device, enum igt_suspend_state s_s
 		igt_debug("Running on GT%d\n", gt);
 
 		sprintf(path, "gt%d/mocs", gt);
-		igt_assert(igt_debugfs_exists(device.fd_xe, path, O_RDONLY));
+		igt_require_f(igt_debugfs_exists(device.fd_xe, path, O_RDONLY),
+			      "Failed to open required debugfs entry: %s\n", path);
+
 		igt_debugfs_dump(device.fd_xe, path);
 		igt_debugfs_read(device.fd_xe, path, mocs_content_pre);
 
-- 
2.40.0