[linux-next:master 6496/11956] drivers/gpu/drm/mediatek/mtk_dpi.c:530:39: warning: unused variable 'mtk_dpi_encoder_funcs'

[linux-next:master 6496/11956] drivers/gpu/drm/mediatek/mtk_dpi.c:530:39: warning: unused variable 'mtk_dpi_encoder_funcs'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   49e7e3e905e437a02782019570f70997e2da9101
commit: f89c696e7f635487481eee0d196ab49730ce8664 [6496/11956] drm/mediatek: mtk_dpi: Convert to bridge driver
config: arm64-randconfig-r035-20200929 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project de55ebe3bbc77882901ae2b9654503b7611b28f3)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f89c696e7f635487481eee0d196ab49730ce8664
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout f89c696e7f635487481eee0d196ab49730ce8664
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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/mediatek/mtk_dpi.c:530:39: warning: unused variable 'mtk_dpi_encoder_funcs' [-Wunused-const-variable]
   static const struct drm_encoder_funcs mtk_dpi_encoder_funcs = {
                                         ^
   1 warning generated.

vim +/mtk_dpi_encoder_funcs +530 drivers/gpu/drm/mediatek/mtk_dpi.c

   529	
 > 530	static const struct drm_encoder_funcs mtk_dpi_encoder_funcs = {
   531		.destroy = mtk_dpi_encoder_destroy,
   532	};
   533	

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

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