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AJvYcCWn2OX1eIpXcJptkbYb7DkxaZQG+4VHHX+RCKXIKzkoO8E++Xw1BLN8HNWI6GNCoY7HfRJPK/NITBWfvYTFyEL/bx04qTnGga6T4BAvc1nG0fgpwed/c1plw8EdfQDG3GBhOSWDrVcaaw== X-Gm-Message-State: AOJu0Yyvdsxbak9aUSvUHBJJiBmsWPrdQXrxpIhX62NxMXzHxY0lkhGf d5WJ2IIflbQY2XxSljEgsc3cyTba9UHpzg9DGqejREZ2///LQIkL+fbXKdi2 X-Google-Smtp-Source: AGHT+IEEib95LASlxflZmOGoKOqjWt2O08nr6/dUyPF5bkMtYTcUru+1PyW5JqlUhb0RbpsxEBo7Nw== X-Received: by 2002:a05:6a21:8cc5:b0:1a1:47cb:9709 with SMTP id ta5-20020a056a218cc500b001a147cb9709mr3127651pzb.44.1709664045282; Tue, 05 Mar 2024 10:40:45 -0800 (PST) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id b5-20020aa78ec5000000b006e50c083b90sm9219955pfr.212.2024.03.05.10.40.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Mar 2024 10:40:43 -0800 (PST) Sender: Guenter Roeck From: Guenter Roeck To: linux-kselftest@vger.kernel.org Cc: David Airlie , Arnd Bergmann , =?UTF-8?q?Ma=C3=ADra=20Canal?= , Dan Carpenter , Kees Cook , Daniel Diaz , David Gow , Arthur Grillo , Brendan Higgins , Naresh Kamboju , Maarten Lankhorst , Andrew Morton , Maxime Ripard , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Daniel Vetter , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kunit-dev@googlegroups.com, linux-arch@vger.kernel.org, Guenter Roeck Subject: [RFC PATCH 2/5] drm: Suppress intentional warning backtraces in scaling unit tests Date: Tue, 5 Mar 2024 10:40:30 -0800 Message-Id: <20240305184033.425294-3-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240305184033.425294-1-linux@roeck-us.net> References: <20240305184033.425294-1-linux@roeck-us.net> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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(¶ms->src, ¶ms->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(¶ms->src, ¶ms->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