[agd5f:drm-next 159/188] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:1019:7: warning: variable 'edp_sink_present' set but not used

[agd5f:drm-next 159/188] drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:1019:7: warning: variable 'edp_sink_present' set but not used

[kernel test robot]

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tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   7f0346042f19d534c6537e8ad0245e0cd4c4d61f
commit: 45a1261b393bd3dc24d1ae8a55249c0897df0c88 [159/188] drm/amd/display: Refactored DC interfaces to support multiple eDP
config: x86_64-randconfig-r015-20210303 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 45a1261b393bd3dc24d1ae8a55249c0897df0c88
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c: In function 'detect_edp_presence':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:1019:7: warning: variable 'edp_sink_present' set but not used [-Wunused-but-set-variable]
    1019 |  bool edp_sink_present = true;
         |       ^~~~~~~~~~~~~~~~


vim +/edp_sink_present +1019 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c

4562236b3bc0a2 Harry Wentland 2017-09-12  1012  
6fce5bcee58280 Eric Yang      2021-01-22  1013  static void detect_edp_presence(struct dc *dc)
6fce5bcee58280 Eric Yang      2021-01-22  1014  {
45a1261b393bd3 Jake Wang      2021-02-05  1015  	struct dc_link *edp_links[MAX_NUM_EDP];
45a1261b393bd3 Jake Wang      2021-02-05  1016  	struct dc_link *edp_link = NULL;
45a1261b393bd3 Jake Wang      2021-02-05  1017  	int i;
45a1261b393bd3 Jake Wang      2021-02-05  1018  	int edp_num;
6fce5bcee58280 Eric Yang      2021-01-22 @1019  	bool edp_sink_present = true;
6fce5bcee58280 Eric Yang      2021-01-22  1020  
45a1261b393bd3 Jake Wang      2021-02-05  1021  	get_edp_links(dc, edp_links, &edp_num);
45a1261b393bd3 Jake Wang      2021-02-05  1022  	if (!edp_num)
6fce5bcee58280 Eric Yang      2021-01-22  1023  		return;
6fce5bcee58280 Eric Yang      2021-01-22  1024  
6fce5bcee58280 Eric Yang      2021-01-22  1025  	if (dc->config.edp_not_connected) {
6fce5bcee58280 Eric Yang      2021-01-22  1026  			edp_sink_present = false;
6fce5bcee58280 Eric Yang      2021-01-22  1027  	} else {
6fce5bcee58280 Eric Yang      2021-01-22  1028  		enum dc_connection_type type;
45a1261b393bd3 Jake Wang      2021-02-05  1029  		for (i = 0; i < edp_num; i++) {
45a1261b393bd3 Jake Wang      2021-02-05  1030  			edp_link = edp_links[i];
6fce5bcee58280 Eric Yang      2021-01-22  1031  			dc_link_detect_sink(edp_link, &type);
45a1261b393bd3 Jake Wang      2021-02-05  1032  			edp_link->edp_sink_present = (type != dc_connection_none);
45a1261b393bd3 Jake Wang      2021-02-05  1033  		}
6fce5bcee58280 Eric Yang      2021-01-22  1034  	}
6fce5bcee58280 Eric Yang      2021-01-22  1035  }
6fce5bcee58280 Eric Yang      2021-01-22  1036  

:::::: The code at line 1019 was first introduced by commit
:::::: 6fce5bcee582809b63b14a853ab2efed7a4f5c2e drm/amd/display: move edp sink present detection to hw init

:::::: TO: Eric Yang <Eric.Yang2@amd.com>
:::::: CC: Alex Deucher <alexander.deucher@amd.com>

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

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