tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fd4fbb998102ef7812d594121fbabd2b10dced1b commit: 2336a5c4fd8777bd23d56f95a4c2e3a63d01c0cd [14037/14381] drm/amd/display: Add support for zstate during extended vblank config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220326/202203260132.YGXnD9St-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2336a5c4fd8777bd23d56f95a4c2e3a63d01c0cd 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 2336a5c4fd8777bd23d56f95a4c2e3a63d01c0cd # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/ 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/dcn31/dcn31_hubp.c:57:6: warning: no previous prototype for 'hubp31_program_extended_blank' [-Wmissing-prototypes] 57 | void hubp31_program_extended_blank(struct hubp *hubp, unsigned int min_dst_y_next_start_optimized) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/hubp31_program_extended_blank +57 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubp.c 56 > 57 void hubp31_program_extended_blank(struct hubp *hubp, unsigned int min_dst_y_next_start_optimized) 58 { 59 struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp); 60 61 REG_SET(BLANK_OFFSET_1, 0, MIN_DST_Y_NEXT_START, min_dst_y_next_start_optimized); 62 } 63 -- 0-DAY CI Kernel Test Service https://01.org/lkp
