linux-kernel - [agd5f:drm-next 130/152] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:844:36: error: 'const struct link_training_settings' has no member named 'ffe

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Date:   Wed, 27 Oct 2021 23:36:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Wenjing Liu <wenjing.liu@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Eric Yang <eric.yang2@....com>
Subject: [agd5f:drm-next 130/152]
 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:844:36: error:
 'const struct link_training_settings' has no member named 'ffe_preset'

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   e0fc01bc689906a1b4ab9ae54af28bc9fe4ce104
commit: 0c865d1d817b77a26c5211e8ae58945e2554f58d [130/152] drm/amd/display: fix link training regression for 1 or 2 lane
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 0c865d1d817b77a26c5211e8ae58945e2554f58d
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/amd/amdgpu/../display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:37:
   drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
   drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2870:26: error: variable 'temp' set but not used [-Werror=unused-but-set-variable]
    2870 |                 uint64_t temp;
         |                          ^~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function 'override_lane_settings':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:844:36: error: 'const struct link_training_settings' has no member named 'ffe_preset'
     844 |                         lt_settings->ffe_preset == NULL &&
         |                                    ^~
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:857:32: error: 'const struct link_training_settings' has no member named 'ffe_preset'
     857 |                 if (lt_settings->ffe_preset)
         |                                ^~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:858:44: error: 'struct dc_lane_settings' has no member named 'FFE_PRESET'
     858 |                         lane_settings[lane].FFE_PRESET = *lt_settings->ffe_preset;
         |                                            ^
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:858:70: error: 'const struct link_training_settings' has no member named 'ffe_preset'
     858 |                         lane_settings[lane].FFE_PRESET = *lt_settings->ffe_preset;
         |                                                                      ^~
   cc1: all warnings being treated as errors


vim +844 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c

   836	
   837	static void override_lane_settings(const struct link_training_settings *lt_settings,
   838			struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
   839	{
   840		uint32_t lane;
   841	
   842		if (lt_settings->voltage_swing == NULL &&
   843				lt_settings->pre_emphasis == NULL &&
 > 844				lt_settings->ffe_preset == NULL &&
   845				lt_settings->post_cursor2 == NULL)
   846	
   847			return;
   848	
   849		for (lane = 1; lane < LANE_COUNT_DP_MAX; lane++) {
   850			if (lt_settings->voltage_swing)
   851				lane_settings[lane].VOLTAGE_SWING = *lt_settings->voltage_swing;
   852			if (lt_settings->pre_emphasis)
   853				lane_settings[lane].PRE_EMPHASIS = *lt_settings->pre_emphasis;
   854			if (lt_settings->post_cursor2)
   855				lane_settings[lane].POST_CURSOR2 = *lt_settings->post_cursor2;
   856	
   857			if (lt_settings->ffe_preset)
 > 858				lane_settings[lane].FFE_PRESET = *lt_settings->ffe_preset;
   859		}
   860	}
   861	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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