[PATCH 1/8] drm/client: Constify modes
kernel test robot
lkp at intel.com
Sat Oct 5 00:19:59 UTC 2024
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 next-20241004]
[cannot apply to drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm/drm-next drm-exynos/exynos-drm-next linus/master v6.12-rc1]
[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-Constify-modes/20241004-061843
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/r/20241003113304.11700-2-ville.syrjala%40linux.intel.com
patch subject: [PATCH 1/8] drm/client: Constify modes
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20241005/202410050841.RWs2VIP5-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410050841.RWs2VIP5-lkp@intel.com/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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410050841.RWs2VIP5-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/drm_client_modeset.c:1266:
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:108:14: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
108 | 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 at 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
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