On Sat, Jan 28, 2023 at 7:47 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Jonathan, > > Thank you for the patch! Perhaps something to improve: Good bot. > > [auto build test WARNING on 93f875a8526a291005e7f38478079526c843cbec] > > url: https://github.com/intel-lab-lkp/linux/commits/Jonathan-Cormier/dt-bindings-display-bridge-tfp410-Add-tfp410-i2c-example/20230128-183627 > base: 93f875a8526a291005e7f38478079526c843cbec > patch link: https://lore.kernel.org/r/20230125-tfp410_i2c-v1-4-66a4d4e390b7%40criticallink.com > patch subject: [PATCH 4/4] DRM: BRIDGE: TFP410: If connected, use I2C for polled HPD status. > config: i386-randconfig-a006 (https://download.01.org/0day-ci/archive/20230129/202301290803.ouS19eab-lkp@xxxxxxxxx/config) > compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) > 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/c4659fa4c02b62087c095ca99978e5eac8b490de > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Jonathan-Cormier/dt-bindings-display-bridge-tfp410-Add-tfp410-i2c-example/20230128-183627 > git checkout c4659fa4c02b62087c095ca99978e5eac8b490de > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/bridge/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/gpu/drm/bridge/ti-tfp410.c:111:6: warning: unused variable 'val' [-Wunused-variable] > u32 val; > ^ > 1 warning generated. This has already been fixed in V2 of the patch series. > > > vim +/val +111 drivers/gpu/drm/bridge/ti-tfp410.c > > 106 > 107 static enum drm_connector_status > 108 tfp410_connector_detect(struct drm_connector *connector, bool force) > 109 { > 110 struct tfp410 *dvi = drm_connector_to_tfp410(connector); > > 111 u32 val; > 112 unsigned int ret; > 113 > 114 if (dvi->i2c) { > 115 ret = regmap_test_bits(dvi->regmap, TFP410_REG_CTL_2_MODE, TFP410_BIT_HTPLG); > 116 if (ret < 0) > 117 dev_err(dvi->dev, "%s failed to read HTPLG bit : %d\n", __func__, ret); > 118 else > 119 return ret ? connector_status_connected : connector_status_disconnected; > 120 } > 121 > 122 return drm_bridge_detect(dvi->next_bridge); > 123 } > 124 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests