[PATCH 05/14] drm: Suppress intentional warning backtraces in scaling unit tests

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The drm_test_rect_calc_hscale and drm_test_rect_calc_vscale unit tests
intentionally trigger warning backtraces by providing bad parameters to
the tested functions. What is tested is the return value, not the existence
of a warning backtrace. Suppress the backtraces to avoid clogging the
kernel log.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 drivers/gpu/drm/tests/drm_rect_test.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
index 76332cd2ead8..75614cb4deb5 100644
--- a/drivers/gpu/drm/tests/drm_rect_test.c
+++ b/drivers/gpu/drm/tests/drm_rect_test.c
@@ -406,22 +406,28 @@ KUNIT_ARRAY_PARAM(drm_rect_scale, drm_rect_scale_cases, drm_rect_scale_case_desc
 
 static void drm_test_rect_calc_hscale(struct kunit *test)
 {
+	DEFINE_SUPPRESSED_WARNING(drm_calc_scale);
 	const struct drm_rect_scale_case *params = test->param_value;
 	int scaling_factor;
 
+	START_SUPPRESSED_WARNING(drm_calc_scale);
 	scaling_factor = drm_rect_calc_hscale(&params->src, &params->dst,
 					      params->min_range, params->max_range);
+	END_SUPPRESSED_WARNING(drm_calc_scale);
 
 	KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);
 }
 
 static void drm_test_rect_calc_vscale(struct kunit *test)
 {
+	DEFINE_SUPPRESSED_WARNING(drm_calc_scale);
 	const struct drm_rect_scale_case *params = test->param_value;
 	int scaling_factor;
 
+	START_SUPPRESSED_WARNING(drm_calc_scale);
 	scaling_factor = drm_rect_calc_vscale(&params->src, &params->dst,
 					      params->min_range, params->max_range);
+	END_SUPPRESSED_WARNING(drm_calc_scale);
 
 	KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);
 }
-- 
2.39.2




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