tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3cdbc01c40e34c57697f8934f2727a88551696be commit: b8fe56375f78835db47565d91ea9d21767fe3c08 [12500/13075] drm/amd/display: Refactor ABM feature config: arm64-randconfig-r036-20230416 (https://download.01.org/0day-ci/archive/20230420/202304200812.6UqNDVZy-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 437b7602e4a998220871de78afcb020b9c14a661) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b8fe56375f78835db47565d91ea9d21767fe3c08 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 b8fe56375f78835db47565d91ea9d21767fe3c08 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/amd/amdgpu/ drivers/gpu/drm/amd/display/dc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304200812.6UqNDVZy-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm.c:138:15: warning: variable 'feature_support' set but not used [-Wunused-but-set-variable] unsigned int feature_support; ^ 1 warning generated. -- >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:83:6: warning: no previous prototype for function 'dmub_abm_init' [-Wmissing-prototypes] void dmub_abm_init(struct abm *abm, uint32_t backlight) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:83:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dmub_abm_init(struct abm *abm, uint32_t backlight) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:124:14: warning: no previous prototype for function 'dmub_abm_get_current_backlight' [-Wmissing-prototypes] unsigned int dmub_abm_get_current_backlight(struct abm *abm) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:124:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned int dmub_abm_get_current_backlight(struct abm *abm) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:135:14: warning: no previous prototype for function 'dmub_abm_get_target_backlight' [-Wmissing-prototypes] unsigned int dmub_abm_get_target_backlight(struct abm *abm) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:135:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned int dmub_abm_get_target_backlight(struct abm *abm) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:146:6: warning: no previous prototype for function 'dmub_abm_set_level' [-Wmissing-prototypes] bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:146:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool dmub_abm_set_level(struct abm *abm, uint32_t level, uint8_t panel_mask) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:167:6: warning: no previous prototype for function 'dmub_abm_set_ambient_level' [-Wmissing-prototypes] void dmub_abm_set_ambient_level(struct abm *abm, unsigned int ambient_lux, uint8_t panel_mask) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:167:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dmub_abm_set_ambient_level(struct abm *abm, unsigned int ambient_lux, uint8_t panel_mask) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:189:6: warning: no previous prototype for function 'dmub_abm_init_config' [-Wmissing-prototypes] void dmub_abm_init_config(struct abm *abm, ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:189:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dmub_abm_init_config(struct abm *abm, ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:221:6: warning: no previous prototype for function 'dmub_abm_set_pause' [-Wmissing-prototypes] bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:221:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool dmub_abm_set_pause(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int stream_inst) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:241:6: warning: no previous prototype for function 'dmub_abm_set_pipe' [-Wmissing-prototypes] bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:241:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) ^ static >> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:263:6: warning: no previous prototype for function 'dmub_abm_set_backlight_level' [-Wmissing-prototypes] bool dmub_abm_set_backlight_level(struct abm *abm, ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm_lcd.c:263:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool dmub_abm_set_backlight_level(struct abm *abm, ^ static 9 warnings generated. vim +/feature_support +138 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_abm.c 133 134 static bool dmub_abm_set_event_ex(struct abm *abm, unsigned int full_screen, unsigned int video_mode, 135 unsigned int hdr_mode, unsigned int panel_inst) 136 { 137 bool ret = false; > 138 unsigned int feature_support; 139 140 feature_support = abm_feature_support(abm, panel_inst); 141 142 return ret; 143 } 144 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
