Hi Ville,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-tip/drm-tip]
[also build test ERROR on next-20210421]
[cannot apply to drm-intel/for-linux-next v5.12-rc8]
[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/Ville-Syrjala/drm-i915-DDI-buf-trans-cleaup-and-fixes/20210422-005122
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a011-20210421 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d87b9b81ccb95217181ce75515c6c68bbb408ca4)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/1e2b73915eb7fa55d9b0f0836ecc25a01d904cd1
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Ville-Syrjala/drm-i915-DDI-buf-trans-cleaup-and-fixes/20210422-005122
        git checkout 1e2b73915eb7fa55d9b0f0836ecc25a01d904cd1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c:1016:41: error: unused variable 'adls_combo_phy_ddi_translations_dp_rbr_hbr' [-Werror,-Wunused-const-variable]
   static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_dp_rbr_hbr = {
                                           ^
   1 error generated.


vim +/adls_combo_phy_ddi_translations_dp_rbr_hbr +1016 drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c

  1015	
> 1016	static const struct intel_ddi_buf_trans adls_combo_phy_ddi_translations_dp_rbr_hbr = {
  1017		.entries = _adls_combo_phy_ddi_translations_dp_rbr_hbr,
  1018		.num_entries = ARRAY_SIZE(_adls_combo_phy_ddi_translations_dp_rbr_hbr),
  1019	};
  1020	

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