drm/tests: mm: Call drm_mm_print in drm_test_mm_debug

The original intent behind the test was to sanity check whether calling
the debug iterator (drm_mm_print) doesn't cause any problems.
Unfortunately - this call got accidentally removed during KUnit
transition. Restore it.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240116174602.1019512-1-michal.winiarski@intel.com

diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
index 05d5e7a..6803cb2 100644 (file)
--- a/drivers/gpu/drm/tests/drm_mm_test.c
+++ b/drivers/gpu/drm/tests/drm_mm_test.c
@@ -247,13 +247,13 @@ out:
 
 static void drm_test_mm_debug(struct kunit *test)
 {
+       struct drm_printer p = drm_debug_printer(test->name);
        struct drm_mm mm;
        struct drm_mm_node nodes[2];
 
        /* Create a small drm_mm with a couple of nodes and a few holes, and
         * check that the debug iterator doesn't explode over a trivial drm_mm.
         */
-
        drm_mm_init(&mm, 0, 4096);
 
        memset(nodes, 0, sizeof(nodes));
@@ -268,6 +268,9 @@ static void drm_test_mm_debug(struct kunit *test)
        KUNIT_ASSERT_FALSE_MSG(test, drm_mm_reserve_node(&mm, &nodes[1]),
                               "failed to reserve node[0] {start=%lld, size=%lld)\n",
                               nodes[0].start, nodes[0].size);
+
+       drm_mm_print(&mm, &p);
+       KUNIT_SUCCEED(test);
 }
 
 static struct drm_mm_node *set_node(struct drm_mm_node *node,