Hi Suraj, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-tip/drm-tip] url: https://github.com/intel-lab-lkp/linux/commits/Suraj-Kandpal/drm-i915-vdsc-Refactor-dsc-register-field-macro/20230803-151602 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20230803070346.3776690-4-suraj.kandpal%40intel.com patch subject: [PATCH v5 3/8] drm/i915/vdsc: Add func to get no. of vdsc instances per pipe config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230803/202308031703.dGZHhl6S-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230803/202308031703.dGZHhl6S-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308031703.dGZHhl6S-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_vdsc.c:353:5: warning: no previous prototype for 'intel_dsc_get_no_vdsc_inst_per_pipe' [-Wmissing-prototypes] 353 | int intel_dsc_get_no_vdsc_inst_per_pipe(const struct intel_crtc_state *crtc_state) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/intel_dsc_get_no_vdsc_inst_per_pipe +353 drivers/gpu/drm/i915/display/intel_vdsc.c 352 > 353 int intel_dsc_get_no_vdsc_inst_per_pipe(const struct intel_crtc_state *crtc_state) 354 { 355 return crtc_state->dsc.dsc_split ? 2 : 1; 356 } 357 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
