Re: [PATCH v4 3/4] drm/bridge: Introduce LT9611 DSI to HDMI bridge

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

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Hi Vinod,

I love your patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip linus/master v5.8-rc4 next-20200707]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Vinod-Koul/Add-LT9611-DSI-to-HDMI-bridge/20200708-150224
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: nios2-allyesconfig (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/bridge/lontium-lt9611.c:884:6: warning: no previous prototype for 'lt9611_bridge_hpd_enable' [-Wmissing-prototypes]
     884 | void lt9611_bridge_hpd_enable(struct drm_bridge *bridge)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/bridge/lontium-lt9611.c:718:41: warning: 'lt9611_bridge_connector_funcs' defined but not used [-Wunused-const-variable=]
     718 | static const struct drm_connector_funcs lt9611_bridge_connector_funcs = {
         |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/lt9611_bridge_hpd_enable +884 drivers/gpu/drm/bridge/lontium-lt9611.c

   883	
 > 884	void lt9611_bridge_hpd_enable(struct drm_bridge *bridge)
   885	{
   886		struct lt9611 *lt9611 = bridge_to_lt9611(bridge);
   887	
   888		lt9611_enable_hpd_interrupts(lt9611);
   889	}
   890	

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

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