tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6145d80cfc62e3ed8f16ff584d6287e6d88b82b9 commit: 225e300745b5bbec1405f0ba67a13739061be3a4 [10747/11059] drm/amd/display: Move vupdate keepout programming from DCN20 to DCN10 config: x86_64-randconfig-a013-20210408 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 56ea2e2fdd691136d5e6631fa0e447173694b82c) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=225e300745b5bbec1405f0ba67a13739061be3a4 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 225e300745b5bbec1405f0ba67a13739061be3a4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:139:6: warning: no previous prototype for function 'optc1_set_vupdate_keepout' [-Wmissing-prototypes] void optc1_set_vupdate_keepout(struct timing_generator *optc, ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:139:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void optc1_set_vupdate_keepout(struct timing_generator *optc, ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:879:6: warning: no previous prototype for function 'optc1_setup_manual_trigger' [-Wmissing-prototypes] void optc1_setup_manual_trigger(struct timing_generator *optc) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:879:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void optc1_setup_manual_trigger(struct timing_generator *optc) ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:897:6: warning: no previous prototype for function 'optc1_program_manual_trigger' [-Wmissing-prototypes] void optc1_program_manual_trigger(struct timing_generator *optc) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c:897:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void optc1_program_manual_trigger(struct timing_generator *optc) ^ static 3 warnings generated. vim +/optc1_set_vupdate_keepout +139 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_optc.c 133 134 /** 135 * Vupdate keepout can be set to a window to block the update lock for that pipe from changing. 136 * Start offset begins with vstartup and goes for x number of clocks, 137 * end offset starts from end of vupdate to x number of clocks. 138 */ > 139 void optc1_set_vupdate_keepout(struct timing_generator *optc, 140 struct vupdate_keepout_params *params) 141 { 142 struct optc *optc1 = DCN10TG_FROM_TG(optc); 143 144 REG_SET_3(OTG_VUPDATE_KEEPOUT, 0, 145 MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_START_OFFSET, params->start_offset, 146 MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_END_OFFSET, params->end_offset, 147 OTG_MASTER_UPDATE_LOCK_VUPDATE_KEEPOUT_EN, params->enable); 148 } 149 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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