tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git lr/ariel head: 0a4e7b14d84d9ea5f1ce759fbf09b8bdd4788a2b commit: 811f673eea14808cd2f83c4dec2e018ab3d2b016 [20/82] drm/armada: Use non-componentized bridges config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git/co... git remote add lkundrak-linux-mmp git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git git fetch --no-tags lkundrak-linux-mmp lr/ariel git checkout 811f673eea14808cd2f83c4dec2e018ab3d2b016 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/gpu/drm/armada/armada_drv.c: In function 'armada_drm_attach_bridge': 132 | printk ("XXX XX %08x %pOFfcF\n", bridge, np); | ~~~^ ~~~~~~ | | | | unsigned int struct drm_bridge * vim +132 drivers/gpu/drm/armada/armada_drv.c 120 121 static int armada_drm_attach_bridge(struct drm_device *drm, struct device_node *np) 122 { 123 struct drm_encoder *encoder; 124 struct drm_bridge *bridge; 125 int ret; 126 127 encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL); 128 if (encoder == NULL) 129 return -ENOMEM; 130 131 bridge = of_drm_find_bridge(np); 133 if (!bridge) 134 return -EINVAL; 135 136 encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, np); 137 ret = drm_encoder_init(drm, encoder, &armada_drm_encoder_funcs, 138 DRM_MODE_ENCODER_TMDS, NULL); 139 if (ret) 140 return ret; 141 142 ret = drm_bridge_attach(encoder, bridge, NULL, 0); 143 if (ret) 144 drm_encoder_cleanup(encoder); 145 146 return ret; 147 } 148 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org