Hi Jonathan, Thank you for the patch! Perhaps something to improve: [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: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230129/202301290252.zgcWeegX-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ 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: In function 'tfp410_connector_detect': >> drivers/gpu/drm/bridge/ti-tfp410.c:111:13: warning: unused variable 'val' [-Wunused-variable] 111 | u32 val; | ^~~ 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
