Re: [PATCH v2 1/1] drm/vkms: add zpos plane property

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

Hi "José,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v5.16-rc6 next-20211224]
[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/Jos-Exp-sito/drm-vkms-zpos/20211226-191434
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: hexagon-randconfig-r041-20211226 (https://download.01.org/0day-ci/archive/20211226/202112262151.0Z5oNd2u-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 0c553cc1af2e4c14100df6cf4a6fc91987e778e6)
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/48c96494b71972f4bf1769682e94e59724dba874
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jos-Exp-sito/drm-vkms-zpos/20211226-191434
        git checkout 48c96494b71972f4bf1769682e94e59724dba874
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpu/drm/vkms/

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/vkms/vkms_plane.c:170:15: error: use of undeclared identifier 'NUM_OVERLAY_PLANES'
                                                        1, NUM_OVERLAY_PLANES);
                                                           ^
   1 error generated.


vim +/NUM_OVERLAY_PLANES +170 drivers/gpu/drm/vkms/vkms_plane.c

   162	
   163	static int vkms_plane_create_zpos_property(struct vkms_plane *plane)
   164	{
   165		int ret;
   166		unsigned int zpos = drm_plane_index(&plane->base);
   167	
   168		if (plane->base.type == DRM_PLANE_TYPE_OVERLAY) {
   169			ret = drm_plane_create_zpos_property(&plane->base, zpos,
 > 170							     1, NUM_OVERLAY_PLANES);
   171		} else {
   172			ret = drm_plane_create_zpos_immutable_property(&plane->base,
   173								       zpos);
   174		}
   175	
   176		return ret;
   177	}
   178	

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