Re: [PATCH v3 7/8] drm/amd/display: Introduce KUnit tests to dc_dmub_srv library

[kernel test robot <lkp@intel.com>]

Hi Maíra,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip linus/master v6.0-rc5 next-20220914]
[cannot apply to drm-misc/drm-misc-next]
[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/Ma-ra-Canal/drm-amd-display-Introduce-KUnit-to-Display-Mode-Library/20220913-000256
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: loongarch-randconfig-r026-20220914 (https://download.01.org/0day-ci/archive/20220915/202209150834.M0BeSpLy-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/50e2391775a6552a521c783a6fcd36942b906e3f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ma-ra-Canal/drm-amd-display-Introduce-KUnit-to-Display-Mode-Library/20220913-000256
        git checkout 50e2391775a6552a521c783a6fcd36942b906e3f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:863:
   drivers/gpu/drm/amd/amdgpu/../display/dc/../tests/dc/dc_dmub_srv_test.c: In function 'populate_subvp_cmd_drr_info_test':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/../tests/dc/dc_dmub_srv_test.c:260:9: error: implicit declaration of function 'populate_subvp_cmd_drr_info'; did you mean 'populate_subvp_cmd_drr_info_test'? [-Werror=implicit-function-declaration]
     260 |         populate_subvp_cmd_drr_info(test_param->dc, test_param->subvp_pipe,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |         populate_subvp_cmd_drr_info_test
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.c:31:
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:137:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=]
     137 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA";
         |                      ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:134:17: warning: 'DP_SINK_BRANCH_DEV_NAME_7580' defined but not used [-Wunused-const-variable=]
     134 | static const u8 DP_SINK_BRANCH_DEV_NAME_7580[] = "7580\x80u";
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:132:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=]
     132 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0};
         |                      ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:131:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=]
     131 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};
         |                      ^~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +260 drivers/gpu/drm/amd/amdgpu/../display/dc/../tests/dc/dc_dmub_srv_test.c

   246	
   247	KUNIT_ARRAY_PARAM(populate_subvp_cmd_drr_info, populate_subvp_cmd_drr_info_cases,
   248			  populate_subvp_cmd_drr_info_test_to_desc);
   249	
   250	static void populate_subvp_cmd_drr_info_test(struct kunit *test)
   251	{
   252		const struct populate_subvp_cmd_drr_info_test_case *test_param =
   253			test->param_value;
   254		struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data;
   255	
   256		pipe_data = kunit_kzalloc(test,
   257					  sizeof(struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2),
   258					  GFP_KERNEL);
   259	
 > 260		populate_subvp_cmd_drr_info(test_param->dc, test_param->subvp_pipe,
   261					    test_param->vblank_pipe, pipe_data);
   262	
   263		KUNIT_EXPECT_EQ(test, test_param->drr_in_use,
   264				pipe_data->pipe_config.vblank_data.drr_info.drr_in_use);
   265		KUNIT_EXPECT_EQ(test, test_param->drr_window_size_ms,
   266				pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms);
   267		KUNIT_EXPECT_EQ(test, test_param->use_ramping,
   268				pipe_data->pipe_config.vblank_data.drr_info.use_ramping);
   269		KUNIT_EXPECT_EQ(test, test_param->min_vtotal_supported,
   270				pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported);
   271		KUNIT_EXPECT_EQ(test, test_param->max_vtotal_supported,
   272				pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported);
   273	}
   274	

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