Hi Hsin-Yi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.0 next-20221011]
[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/Hsin-Yi-Wang/drm_bridge-register-content-protect-property/20221011-182029
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
config: hexagon-randconfig-r033-20221010
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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/intel-lab-lkp/linux/commit/2c11ca399866d4963cafba823b4fda9a8d1566db
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Hsin-Yi-Wang/drm_bridge-register-content-protect-property/20221011-182029
        git checkout 2c11ca399866d4963cafba823b4fda9a8d1566db
        # 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=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: drm_connector_attach_content_protection_property
   >>> referenced by drm_bridge_connector.c
   >>>               gpu/drm/drm_bridge_connector.o:(drm_bridge_connector_init) in archive drivers/built-in.a
   >>> referenced by drm_bridge_connector.c
   >>>               gpu/drm/drm_bridge_connector.o:(drm_bridge_connector_init) in archive drivers/built-in.a

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp