Hi Andy, kernel test robot noticed the following build errors: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-intel/for-linux-next-fixes linus/master v6.6 next-20231103] [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/Andy-Shevchenko/drm-i915-dsi-assume-BXT-gpio-works-for-non-native-GPIO/20231103-064642 base: git://anongit.freedesktop.org/drm-intel for-linux-next patch link: https://lore.kernel.org/r/20231102151228.668842-15-andriy.shevchenko%40linux.intel.com patch subject: [PATCH v3 14/15] drm/i915/dsi: Replace poking of CHV GPIOs behind the driver's back config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231104/202311040312.Tf6bTkw0-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/202311040312.Tf6bTkw0-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311040312.Tf6bTkw0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_dsi_vbt.c:272:4: error: call to undeclared function 'soc_exec_opaque_gpio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:03", "Panel SE", ^ drivers/gpu/drm/i915/display/intel_dsi_vbt.c:275:4: error: call to undeclared function 'soc_exec_opaque_gpio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:00", "Panel SW", ^ drivers/gpu/drm/i915/display/intel_dsi_vbt.c:278:4: error: call to undeclared function 'soc_exec_opaque_gpio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:02", "Panel E", ^ drivers/gpu/drm/i915/display/intel_dsi_vbt.c:281:4: error: call to undeclared function 'soc_exec_opaque_gpio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:01", "Panel N", ^ drivers/gpu/drm/i915/display/intel_dsi_vbt.c:299:3: error: call to undeclared function 'soc_exec_opaque_gpio'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:01", "Panel N", ^ 5 errors generated. vim +/soc_exec_opaque_gpio +272 drivers/gpu/drm/i915/display/intel_dsi_vbt.c 263 264 static void chv_gpio_set_value(struct intel_connector *connector, 265 u8 gpio_source, u8 gpio_index, bool value) 266 { 267 struct drm_i915_private *dev_priv = to_i915(connector->base.dev); 268 269 if (connector->panel.vbt.dsi.seq_version >= 3) { 270 if (gpio_index >= CHV_GPIO_IDX_START_SE) { 271 /* XXX: it's unclear whether 255->57 is part of SE. */ > 272 soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:03", "Panel SE", 273 gpio_index - CHV_GPIO_IDX_START_SW, value); 274 } else if (gpio_index >= CHV_GPIO_IDX_START_SW) { 275 soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:00", "Panel SW", 276 gpio_index - CHV_GPIO_IDX_START_SW, value); 277 } else if (gpio_index >= CHV_GPIO_IDX_START_E) { 278 soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:02", "Panel E", 279 gpio_index - CHV_GPIO_IDX_START_E, value); 280 } else { 281 soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:01", "Panel N", 282 gpio_index - CHV_GPIO_IDX_START_N, value); 283 } 284 } else { 285 /* XXX: The spec is unclear about CHV GPIO on seq v2 */ 286 if (gpio_source != 0) { 287 drm_dbg_kms(&dev_priv->drm, 288 "unknown gpio source %u\n", gpio_source); 289 return; 290 } 291 292 if (gpio_index >= CHV_GPIO_IDX_START_E) { 293 drm_dbg_kms(&dev_priv->drm, 294 "invalid gpio index %u for GPIO N\n", 295 gpio_index); 296 return; 297 } 298 299 soc_exec_opaque_gpio(connector, gpio_index, "INT33FF:01", "Panel N", 300 gpio_index - CHV_GPIO_IDX_START_N, value); 301 } 302 } 303 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
