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AJvYcCVEvWLdgouQCGr58JjrndNswEShCyWmFbIkLtEtWngSNX9d4eL2E8NLJJ590cp3xFj+OcpL28dcMAh80uFacbmVLSJxGcYpVjz4p9kccy4nntC8wPWFtO2zTCutEtFCU/f4IEaXpN8GvTOGqcfEUMlu0slyS9LYMcbCa2eH2v+LL1pOqKQKb11dlke/EpkucXcW7dnDaLeRblekYc22hGNSubpyylJqqg2GOasDVf4zyorKV4qQ3hAKFMEOsp5KWVTqTOZs8XT44HipH8+4Rs0D6z/RXmVV0wSmWZNyANYE+a6v62T0J1NuF27v68RuvQ== X-Gm-Message-State: AOJu0YzE6+Ez8hD3yh0ZRirgfwNzEacnja6LNyw9hlzeeQb2BeqtKWvt hHLa6cPtkalXgPtINDIdmUB+hifhKMB3rcTAWoPTsaNprjSpBi6bHMzvBRIo X-Google-Smtp-Source: AGHT+IEVej1vJgDHyMhirxlQLl4uccA8YOz8D7GQmS3E1f+SiDCdIFMWODSUkw2joL6x2b4cQW8ruw== X-Received: by 2002:a17:90a:a88a:b0:2a0:486e:780a with SMTP id h10-20020a17090aa88a00b002a0486e780amr504319pjq.15.1711389183399; Mon, 25 Mar 2024 10:53:03 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id r12-20020a17090ad40c00b0029c68206e2bsm6603983pju.0.2024.03.25.10.53.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 10:53:02 -0700 (PDT) Sender: Guenter Roeck From: Guenter Roeck To: linux-kselftest@vger.kernel.org Cc: David Airlie , Arnd Bergmann , =?utf-8?q?Ma=C3=ADra_Canal?= , Dan Carpenter , Kees Cook , Daniel Diaz , David Gow , Arthur Grillo , Brendan Higgins , Naresh Kamboju , Maarten Lankhorst , Andrew Morton , Maxime Ripard , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Daniel Vetter , Thomas Zimmermann , dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, loongarch@lists.linux.dev, netdev@vger.kernel.org, Guenter Roeck , Linux Kernel Functional Testing Subject: [PATCH v2 05/14] drm: Suppress intentional warning backtraces in scaling unit tests Date: Mon, 25 Mar 2024 10:52:39 -0700 Message-Id: <20240325175248.1499046-6-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240325175248.1499046-1-linux@roeck-us.net> References: <20240325175248.1499046-1-linux@roeck-us.net> Precedence: bulk X-Mailing-List: linux-parisc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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. Tested-by: Linux Kernel Functional Testing Acked-by: Dan Carpenter Signed-off-by: Guenter Roeck Acked-by: Maíra Canal --- - Rebased to v6.9-rc1 - Added Tested-by:, Acked-by:, and Reviewed-by: tags 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); }