linux-kernel - Re: [PATCH v2 6/8] drm/amd/display: Introduce KUnit tests for dcn20

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Message-ID: <202209040310.aa1jd14e-lkp@intel.com>
Date:   Sun, 4 Sep 2022 03:50:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Maíra Canal <mairacanal@...eup.net>,
        Alex Deucher <alexander.deucher@....com>,
        christian.koenig@....com, Xinhui.Pan@....com,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jonathan Corbet <corbet@....net>,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Daniel Latypov <dlatypov@...gle.com>,
        David Gow <davidgow@...gle.com>
Cc:     kbuild-all@...ts.01.org, kunit-dev@...glegroups.com,
        magalilemes00@...il.com, tales.aparecida@...il.com,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        mwen@...lia.com,
        Maíra Canal <mairacanal@...eup.net>,
        dri-devel@...ts.freedesktop.org,
        Isabella Basso <isabbasso@...eup.net>, andrealmeid@...eup.net
Subject: Re: [PATCH v2 6/8] drm/amd/display: Introduce KUnit tests for
 dcn20_fpu

Hi "Maíra,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm/drm-next drm-intel/for-linux-next drm-tip/drm-tip linus/master v6.0-rc3 next-20220901]
[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/20220901-012715
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220904/202209040310.aa1jd14e-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/6b01e906d58654fb9c209fa848883658d203b073
        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/20220901-012715
        git checkout 6b01e906d58654fb9c209fa848883658d203b073
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/tests/dc/dml/dcn20/dcn20_fpu_test.c:455:5: warning: no previous prototype for 'dcn20_fpu_dcn21_update_bw_bounding_box_test_init' [-Wmissing-prototypes]
     455 | int dcn20_fpu_dcn21_update_bw_bounding_box_test_init(struct kunit *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/inc/resource.h:28,
                    from drivers/gpu/drm/amd/amdgpu/../display/tests/dc/dml/dcn20/dcn20_fpu_test.c:10:
   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};
         |                      ^~~~~~~~~~~~~~~~~~~~~~~


vim +/dcn20_fpu_dcn21_update_bw_bounding_box_test_init +455 drivers/gpu/drm/amd/amdgpu/../display/tests/dc/dml/dcn20/dcn20_fpu_test.c

   450	
   451	/**
   452	 * dcn20_fpu_dcn21_update_bw_bounding_box_test_init - Store backup copies of DCN global structures
   453	 * @test: represents a running instance of a test.
   454	 */
 > 455	int dcn20_fpu_dcn21_update_bw_bounding_box_test_init(struct kunit *test)
   456	{
   457		memcpy(&original_dcn2_1_soc, &dcn2_1_soc, sizeof(struct _vcs_dpi_soc_bounding_box_st));
   458		memcpy(&original_dcn2_1_ip, &dcn2_1_ip, sizeof(struct _vcs_dpi_ip_params_st));
   459	
   460		return 0;
   461	}
   462	

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