Re: [PATCH v1 2/2] drm/bridge: anx7625: add MIPI DPI input feature support

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

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Hi Xin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip linus/master v5.11-rc1 next-20201223]
[cannot apply to robh/for-next]
[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]

url:    https://github.com/0day-ci/linux/commits/Xin-Ji/Add-MIPI-rx-DPI-support/20201225-190825
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: arc-randconfig-p001-20201225 (attached as .config)
compiler: arceb-elf-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
        # https://github.com/0day-ci/linux/commit/eb80dca31ef0506d1afd6590d453768456f2d646
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xin-Ji/Add-MIPI-rx-DPI-support/20201225-190825
        git checkout eb80dca31ef0506d1afd6590d453768456f2d646
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

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/analogix/anx7625.c:935:6: warning: no previous prototype for 'hdcp_enable' [-Wmissing-prototypes]
     935 | void hdcp_enable(struct anx7625_data *ctx, int en)
         |      ^~~~~~~~~~~


vim +/hdcp_enable +935 drivers/gpu/drm/bridge/analogix/anx7625.c

   934	
 > 935	void hdcp_enable(struct anx7625_data *ctx, int en)
   936	{
   937		struct device *dev = &ctx->client->dev;
   938	
   939		DRM_DEV_DEBUG_DRIVER(dev, "en(%d)\n", en);
   940	
   941		ctx->hdcp_en = !!en;
   942	}
   943	

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

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