Hi Jim, I love your patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip linus/master v5.14-rc1 next-20210714] [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/Jim-Cromie/drm-use-dyndbg-in-drm... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: h8300-randconfig-r016-20210714 (attached as .config) compiler: h8300-linux-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://github.com/0day-ci/linux/commit/4a3dcdd418da090977ab9fa225818e5ad... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jim-Cromie/drm-use-dyndbg-in-drm_print/20210715-015347 git checkout 4a3dcdd418da090977ab9fa225818e5ad142288d # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=h8300 SHELL=/bin/bash drivers/gpu/drm/mxsfb/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/drm/drm_mm.h:49, from include/drm/drm_vma_manager.h:26, from include/drm/drm_gem.h:40, from include/drm/drm_gem_cma_helper.h:7, from drivers/gpu/drm/mxsfb/mxsfb_kms.c:25: drivers/gpu/drm/mxsfb/mxsfb_kms.c: In function 'mxsfb_set_formats': 330 | _drm_dev_dbg((drm) ? (drm)->dev : NULL, cls, fmt, ##__VA_ARGS__) | ^~~ include/drm/drm_print.h:439:2: note: in expansion of macro 'drm_dev_dbg' 439 | drm_dev_dbg(dev, cDRM_UT_DRIVER, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/gpu/drm/mxsfb/mxsfb_kms.c:60:2: note: in expansion of macro 'DRM_DEV_DEBUG_DRIVER' 60 | DRM_DEV_DEBUG_DRIVER(drm->dev, "Using bus_format: 0x%08X\n", | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mxsfb/mxsfb_kms.c: In function 'mxsfb_crtc_mode_set_nofb': 330 | _drm_dev_dbg((drm) ? (drm)->dev : NULL, cls, fmt, ##__VA_ARGS__) | ^~~ include/drm/drm_print.h:439:2: note: in expansion of macro 'drm_dev_dbg' 439 | drm_dev_dbg(dev, cDRM_UT_DRIVER, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/gpu/drm/mxsfb/mxsfb_kms.c:220:2: note: in expansion of macro 'DRM_DEV_DEBUG_DRIVER' 220 | DRM_DEV_DEBUG_DRIVER(drm->dev, "Pixel clock: %dkHz (actual: %dkHz)\n", | ^~~~~~~~~~~~~~~~~~~~ 330 | _drm_dev_dbg((drm) ? (drm)->dev : NULL, cls, fmt, ##__VA_ARGS__) | ^~~ include/drm/drm_print.h:439:2: note: in expansion of macro 'drm_dev_dbg' 439 | drm_dev_dbg(dev, cDRM_UT_DRIVER, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/gpu/drm/mxsfb/mxsfb_kms.c:223:2: note: in expansion of macro 'DRM_DEV_DEBUG_DRIVER' 223 | DRM_DEV_DEBUG_DRIVER(drm->dev, "Connector bus_flags: 0x%08X\n", | ^~~~~~~~~~~~~~~~~~~~ 330 | _drm_dev_dbg((drm) ? (drm)->dev : NULL, cls, fmt, ##__VA_ARGS__) | ^~~ include/drm/drm_print.h:439:2: note: in expansion of macro 'drm_dev_dbg' 439 | drm_dev_dbg(dev, cDRM_UT_DRIVER, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/gpu/drm/mxsfb/mxsfb_kms.c:225:2: note: in expansion of macro 'DRM_DEV_DEBUG_DRIVER' 225 | DRM_DEV_DEBUG_DRIVER(drm->dev, "Mode flags: 0x%08X\n", m->flags); | ^~~~~~~~~~~~~~~~~~~~ vim +330 include/drm/drm_print.h 323 324 /* Use legacy drm-debug functions, and drm_debug_enabled(). 325 * For cDRM_UT_* (converted category), identity map to DRM_UT_* 326 */ 327 #define __drm_dbg(cls, fmt, ...) \ 328 ___drm_dbg(cls, fmt, ##__VA_ARGS__) 329 #define drm_dev_dbg(drm, cls, fmt, ...) \ 331 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org