Messages in this thread | | | Date | Sat, 25 Jun 2022 20:39:05 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v7 2/4] drm/loongson: Add GPIO and I2C driver for loongson drm. |
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Hi Chenyang,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v5.19-rc3 next-20220624] [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/intel-lab-lkp/linux/commits/Chenyang-Li/drm-loongson-Add-DRM-Driver-for-Loongson-7A1000-bridge-chip/20220625-171037 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next config: powerpc-allmodconfig compiler: powerpc-linux-gcc (GCC) 11.3.0 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/intel-lab-lkp/linux/commit/3af56da81352153b38e05c082b8f2bf8c9fc0320 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Chenyang-Li/drm-loongson-Add-DRM-Driver-for-Loongson-7A1000-bridge-chip/20220625-171037 git checkout 3af56da81352153b38e05c082b8f2bf8c9fc0320 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/gpu/drm/loongson/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/loongson/loongson_encoder.c:10:27: warning: no previous prototype for 'loongson_bridge_detect' [-Wmissing-prototypes] 10 | enum drm_connector_status loongson_bridge_detect(struct drm_bridge *bridge) | ^~~~~~~~~~~~~~~~~~~~~~
vim +/loongson_bridge_detect +10 drivers/gpu/drm/loongson/loongson_encoder.c
9 > 10 enum drm_connector_status loongson_bridge_detect(struct drm_bridge *bridge) 11 { 12 unsigned char start = 0x0; 13 struct i2c_msg msgs = { 14 .addr = DDC_ADDR, 15 .flags = 0, 16 .len = 1, 17 .buf = &start, 18 }; 19 20 if (i2c_transfer(bridge->ddc, &msgs, 1) != 1) 21 return connector_status_disconnected; 22 else 23 return connector_status_connected; 24 } 25
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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