[superna9999:amlogic/v5.16/drm-meson-rework 4/8] drivers/gpu/drm/meson/meson_encoder_hdmi.c:312:5: error: no previous prototype for 'meson_encoder_hdmi_init'

[kernel test robot]

tree:   https://github.com/superna9999/linux amlogic/v5.16/drm-meson-rework
head:   828c002903e8e4b663a411c26dab3de64cc808ab
commit: c346eb228e8fbc65ce560906f3e8d85d60dbfce7 [4/8] drm/meson: split out encoder from meson_dw_hdmi
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
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
        # https://github.com/superna9999/linux/commit/c346eb228e8fbc65ce560906f3e8d85d60dbfce7
        git remote add superna9999 https://github.com/superna9999/linux
        git fetch --no-tags superna9999 amlogic/v5.16/drm-meson-rework
        git checkout c346eb228e8fbc65ce560906f3e8d85d60dbfce7
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/meson/meson_encoder_hdmi.c:312:5: error: no previous prototype for 'meson_encoder_hdmi_init' [-Werror=missing-prototypes]
     312 | int meson_encoder_hdmi_init(struct meson_drm *priv)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/meson_encoder_hdmi_init +312 drivers/gpu/drm/meson/meson_encoder_hdmi.c

   311	
 > 312	int meson_encoder_hdmi_init(struct meson_drm *priv)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip