tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: 8e00bea4bc1ae98ad8dec7c633175c0afd7ccc0c commit: 99e574ca64d3b6046b960e06a0b16e7a328b0318 [205/258] drm/amd/display: Add Debugfs Entry to Force in SST Sequence config: microblaze-randconfig-r014-20211210 (https://download.01.org/0day-ci/archive/20211211/202112111319.i3OFFWLM-lk...) compiler: microblaze-linux-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 99e574ca64d3b6046b960e06a0b16e7a328b0318 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; 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/amdgpu_dm/amdgpu_dm_debugfs.c:33: 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:2918:26: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 2918 | uint64_t temp; | ^~~~ drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_set': 3248 | adev->dm.dc->debug.set_mst_en_for_sst = val; | ^ drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c: In function 'dp_force_sst_get': drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:3257:34: error: 'struct dc_debug_options' has no member named 'set_mst_en_for_sst' 3257 | *val = adev->dm.dc->debug.set_mst_en_for_sst; | ^ 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/amdgpu_dm/amdgpu_dm_debugfs.c:34: At top level: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:122:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 122 | 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:121:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 121 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ vim +3248 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c 3236 3237 DEFINE_DEBUGFS_ATTRIBUTE(disable_hpd_ops, disable_hpd_get, 3238 disable_hpd_set, "%llu\n"); 3239 3240 /* 3241 * Force sst sequence in mst capable receiver. 3242 * Example usage: echo 1 > /sys/kernel/debug/dri/0/amdgpu_dm_dp_set_mst_en_for_sst 3243 */ 3244 static int dp_force_sst_set(void *data, u64 val) 3245 { 3246 struct amdgpu_device *adev = data; 3247 3249 3250 return 0; 3251 } 3252 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org