Hi Mark, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-intel/for-linux-next-fixes] [also build test WARNING on drm/drm-next linus/master v6.3-rc6] [cannot apply to drm-tip/drm-tip drm-misc/drm-misc-next drm-intel/for-linux-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mark-Yacoub/drm-hdcp-Add-drm_hdcp_atomic_check/20230412-032412 base: git://anongit.freedesktop.org/drm-intel for-linux-next-fixes patch link: https://lore.kernel.org/r/20230411192134.508113-5-markyacoub%40google.com patch subject: [PATCH v9 04/10] drm/hdcp: Expand HDCP helper library for enable/disable/check config: i386-randconfig-s001 (https://download.01.org/0day-ci/archive/20230416/202304162307.7PcvuWlB-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/972a98f65fb56b3be4370593c2b81f1283750db7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mark-Yacoub/drm-hdcp-Add-drm_hdcp_atomic_check/20230412-032412 git checkout 972a98f65fb56b3be4370593c2b81f1283750db7 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/display/ 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/202304162307.7PcvuWlB-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/display/drm_hdcp_helper.c:675:5: sparse: sparse: symbol 'drm_hdcp_helper_hdcp1_capable_dp' was not declared. Should it be static? -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
