Hi Ville, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.9-rc2 next-20240405] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ville-Syrjala/drm-client-Fully-protect-modes-with-dev-mode_config-mutex/20240405-043540 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20240404203336.10454-7-ville.syrjala%40linux.intel.com patch subject: [PATCH 06/12] drm/client: Constify modes config: i386-randconfig-012-20240405 (https://download.01.org/0day-ci/archive/20240405/202404051422.BpYVK6TP-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240405/202404051422.BpYVK6TP-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404051422.BpYVK6TP-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/drm_client_modeset.c:1241:0: drivers/gpu/drm/tests/drm_client_modeset_test.c: In function 'drm_test_pick_cmdline_res_1920_1080_60': >> drivers/gpu/drm/tests/drm_client_modeset_test.c:108:7: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] mode = drm_connector_pick_cmdline_mode(connector); ^ vim +/const +108 drivers/gpu/drm/tests/drm_client_modeset_test.c 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 84 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 85 static void drm_test_pick_cmdline_res_1920_1080_60(struct kunit *test) 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 86 { 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 87 struct drm_client_modeset_test_priv *priv = test->priv; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 88 struct drm_device *drm = priv->drm; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 89 struct drm_connector *connector = &priv->connector; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 90 struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 91 struct drm_display_mode *expected_mode, *mode; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 92 const char *cmdline = "1920x1080@60"; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 93 int ret; 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 94 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 95 expected_mode = drm_mode_find_dmt(priv->drm, 1920, 1080, 60, false); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 96 KUNIT_ASSERT_NOT_NULL(test, expected_mode); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 97 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 98 KUNIT_ASSERT_TRUE(test, 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 99 drm_mode_parse_command_line_for_connector(cmdline, 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 100 connector, 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 101 cmdline_mode)); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 102 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 103 mutex_lock(&drm->mode_config.mutex); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 104 ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 105 mutex_unlock(&drm->mode_config.mutex); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 106 KUNIT_ASSERT_GT(test, ret, 0); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 107 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 @108 mode = drm_connector_pick_cmdline_mode(connector); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 109 KUNIT_ASSERT_NOT_NULL(test, mode); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 110 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 111 KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode)); 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 112 } 8fc0380f6ba7e9 Maxime Ripard 2022-11-14 113 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
