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boundary="===============5243260663086652657==" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org --===============5243260663086652657== Content-type: text/plain Content-Transfer-Encoding: 8bit From: Guenter Roeck 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 and distraction from real problems. Tested-by: Linux Kernel Functional Testing Acked-by: Dan Carpenter Acked-by: Maíra Canal Cc: Maarten Lankhorst Cc: David Airlie Cc: Daniel Vetter Signed-off-by: Guenter Roeck Signed-off-by: Alessandro Carminati --- drivers/gpu/drm/tests/drm_rect_test.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c index 17e1f34b7610..e8d707b4a101 100644 --- a/drivers/gpu/drm/tests/drm_rect_test.c +++ b/drivers/gpu/drm/tests/drm_rect_test.c @@ -406,22 +406,38 @@ 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; + /* + * drm_rect_calc_hscale() generates a warning backtrace whenever bad + * parameters are passed to it. This affects all unit tests with an + * error code in expected_scaling_factor. + */ + KUNIT_START_SUPPRESSED_WARNING(drm_calc_scale); scaling_factor = drm_rect_calc_hscale(¶ms->src, ¶ms->dst, params->min_range, params->max_range); + KUNIT_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; + /* + * drm_rect_calc_vscale() generates a warning backtrace whenever bad + * parameters are passed to it. This affects all unit tests with an + * error code in expected_scaling_factor. + */ + KUNIT_START_SUPPRESSED_WARNING(drm_calc_scale); scaling_factor = drm_rect_calc_vscale(¶ms->src, ¶ms->dst, params->min_range, params->max_range); + KUNIT_END_SUPPRESSED_WARNING(drm_calc_scale); KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor); } -- 2.34.1 --===============5243260663086652657== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv --===============5243260663086652657==--