Hi Dave, I love your patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip next-20201211] [cannot apply to v5.10-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] url: https://github.com/0day-ci/linux/commits/Dave-Airlie/drm-i915-display-mov... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-s022-20201210 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-179-ga00755aa-dirty # https://github.com/0day-ci/linux/commit/a5c9dca8844730c679e9716efd016bfe0... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dave-Airlie/drm-i915-display-move-needs_modeset-to-an-inline-in-header/20201211-163119 git checkout a5c9dca8844730c679e9716efd016bfe04f9d002 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org