Re: [Intel-gfx] [PATCH 4/6] drm/cec: add drm_dp_cec_attach() as the non-edid version of set edid

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

Hi Jani,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm/drm-next next-20230825]
[cannot apply to drm-intel/for-linux-next-fixes drm-misc/drm-misc-next linus/master v6.5-rc7]
[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/Jani-Nikula/drm-edid-add-drm_edid_is_digital/20230824-220926
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
patch link:    https://lore.kernel.org/r/f8ed9b38fd2ebcd8344a1889a6c0f288969454ea.1692884619.git.jani.nikula%40intel.com
patch subject: [Intel-gfx] [PATCH 4/6] drm/cec: add drm_dp_cec_attach() as the non-edid version of set edid
config: i386-buildonly-randconfig-001-20230824 (https://download.01.org/0day-ci/archive/20230825/202308251944.9tpk0wma-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230825/202308251944.9tpk0wma-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308251944.9tpk0wma-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/display/drm_dp_cec.c: In function 'drm_dp_cec_attach':
   drivers/gpu/drm/display/drm_dp_cec.c:342:20: error: 'adap' undeclared (first use in this function)
     342 |    cec_s_phys_addr(adap, source_physical_address, false);
         |                    ^~~~
   drivers/gpu/drm/display/drm_dp_cec.c:342:20: note: each undeclared identifier is reported only once for each function it appears in
   drivers/gpu/drm/display/drm_dp_cec.c: In function 'drm_dp_cec_set_edid':
>> drivers/gpu/drm/display/drm_dp_cec.c:388:18: error: dereferencing pointer to incomplete type 'const struct edid'
     388 |  if (edid && edid->extensions)
         |                  ^~
   drivers/gpu/drm/display/drm_dp_cec.c:389:3: error: 'pa' undeclared (first use in this function)
     389 |   pa = cec_get_edid_phys_addr((const u8 *)edid,
         |   ^~
   drivers/gpu/drm/display/drm_dp_cec.c:390:10: error: 'EDID_LENGTH' undeclared (first use in this function)
     390 |          EDID_LENGTH * (edid->extensions + 1), NULL);
         |          ^~~~~~~~~~~


vim +388 drivers/gpu/drm/display/drm_dp_cec.c

   379	
   380	/*
   381	 * Note: Prefer calling drm_dp_cec_attach() with
   382	 * connector->display_info.source_physical_address if possible.
   383	 */
   384	void drm_dp_cec_set_edid(struct drm_dp_aux *aux, const struct edid *edid)
   385	{
   386		u16 source_physical_address = CEC_PHYS_ADDR_INVALID;
   387	
 > 388		if (edid && edid->extensions)
   389			pa = cec_get_edid_phys_addr((const u8 *)edid,
   390						    EDID_LENGTH * (edid->extensions + 1), NULL);
   391	
   392		drm_dp_cec_attach(aux, source_physical_address);
   393	}
   394	EXPORT_SYMBOL(drm_dp_cec_set_edid);
   395	

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