Hi Dario, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-intel/for-linux-next-fixes] [also build test WARNING on drm-tip/drm-tip linus/master v6.4-rc4 next-20230601] [cannot apply to atorgue-stm32/stm32-next drm-misc/drm-misc-next drm-intel/for-linux-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Dario-Binacchi/ARM-dts-stm32-add-ltdc-support-on-stm32f746-MCU/20230602-010536 base: git://anongit.freedesktop.org/drm-intel for-linux-next-fixes patch link: https://lore.kernel.org/r/20230601170320.2845218-6-dario.binacchi%40amarulasolutions.com patch subject: [PATCH 5/6] drm/panel: simple: add support for Rocktech RK043FN48H panel config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230602/202306020343.jNTWeM0P-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/5a692e898df9428078855c58f8e945def084613b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Dario-Binacchi/ARM-dts-stm32-add-ltdc-support-on-stm32f746-MCU/20230602-010536 git checkout 5a692e898df9428078855c58f8e945def084613b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306020343.jNTWeM0P-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/panel/panel-simple.c:3201:68: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] 3201 | .flags = DISPLAY_FLAGS_VSYNC_LOW + DISPLAY_FLAGS_HSYNC_LOW | | ^ vim +3201 drivers/gpu/drm/panel/panel-simple.c 3190 3191 static const struct display_timing rocktech_rk043fn48h_timing = { 3192 .pixelclock = { 6000000, 9000000, 12000000 }, 3193 .hactive = { 480, 480, 480 }, 3194 .hback_porch = { 8, 43, 43 }, 3195 .hfront_porch = { 2, 8, 8 }, 3196 .hsync_len = { 1, 1, 1 }, 3197 .vactive = { 272, 272, 272 }, 3198 .vback_porch = { 2, 12, 12 }, 3199 .vfront_porch = { 1, 4, 4 }, 3200 .vsync_len = { 1, 10, 10 }, > 3201 .flags = DISPLAY_FLAGS_VSYNC_LOW + DISPLAY_FLAGS_HSYNC_LOW | 3202 DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE, 3203 }; 3204 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
