[agd5f:drm-next 121/143] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6349:6: warning: no previous prototype for 'amdgpu_dm_connector_funcs_force'

[kernel test robot <lkp@intel.com>]

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   6d3435e2e3031a3541f5e23bba4d54eff78eb9fa
commit: 0ba4a784a14592abed41873e339eab78ceb6e230 [121/143] drm/amd/display: implement force function in amdgpu_dm_connector_funcs
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230425/202304251640.JClqTim9-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
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
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 0ba4a784a14592abed41873e339eab78ceb6e230
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304251640.JClqTim9-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6349:6: warning: no previous prototype for 'amdgpu_dm_connector_funcs_force' [-Wmissing-prototypes]
    6349 | void amdgpu_dm_connector_funcs_force(struct drm_connector *connector)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'create_eml_sink':
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6405:21: warning: variable 'count' set but not used [-Wunused-but-set-variable]
    6405 |                 int count;
         |                     ^~~~~


vim +/amdgpu_dm_connector_funcs_force +6349 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c

  6348	
> 6349	void amdgpu_dm_connector_funcs_force(struct drm_connector *connector)
  6350	{
  6351		struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
  6352		struct dc_link *dc_link = aconnector->dc_link;
  6353		struct dc_sink *dc_em_sink = aconnector->dc_em_sink;
  6354		struct edid *edid;
  6355	
  6356		if (!connector->edid_override)
  6357			return;
  6358	
  6359		drm_edid_override_connector_update(&aconnector->base);
  6360		edid = aconnector->base.edid_blob_ptr->data;
  6361		aconnector->edid = edid;
  6362	
  6363		/* Update emulated (virtual) sink's EDID */
  6364		if (dc_em_sink && dc_link) {
  6365			memset(&dc_em_sink->edid_caps, 0, sizeof(struct dc_edid_caps));
  6366			memmove(dc_em_sink->dc_edid.raw_edid, edid, (edid->extensions + 1) * EDID_LENGTH);
  6367			dm_helpers_parse_edid_caps(
  6368				dc_link,
  6369				&dc_em_sink->dc_edid,
  6370				&dc_em_sink->edid_caps);
  6371		}
  6372	}
  6373	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests