Hi Ville, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.15-rc1 next-20250410] [cannot apply to drm-exynos/exynos-drm-next tegra/for-next rmk-arm/drm-armada-devel rmk-arm/drm-armada-fixes] [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/Ville-Syrjala/drm-Pass-pixel_format-modifier-to-get_format_info/20250411-005845 base: linus/master patch link: https://lore.kernel.org/r/20250410163218.15130-3-ville.syrjala%40linux.intel.com patch subject: [PATCH 02/19] drm: Pass pixel_format+modifier directly to drm_get_format_info() config: hexagon-randconfig-001-20250411 (https://download.01.org/0day-ci/archive/20250411/202504110343.fec4bndr-...@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250411/202504110343.fec4bndr-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202504110343.fec4bndr-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/drm_fourcc.c:394: warning: Function parameter or struct >> member 'pixel_format' not described in 'drm_get_format_info' >> drivers/gpu/drm/drm_fourcc.c:394: warning: Function parameter or struct >> member 'modifier' not described in 'drm_get_format_info' >> drivers/gpu/drm/drm_fourcc.c:394: warning: Excess function parameter >> 'mode_cmd' description in 'drm_get_format_info' vim +394 drivers/gpu/drm/drm_fourcc.c 84770cc24f3a51 Laurent Pinchart 2016-10-18 381 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 382 /** 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 383 * drm_get_format_info - query information for a given framebuffer configuration 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 384 * @dev: DRM device 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 385 * @mode_cmd: metadata from the userspace fb creation request 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 386 * 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 387 * Returns: 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 388 * The instance of struct drm_format_info that describes the pixel format, or 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 389 * NULL if the format is unsupported. 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 390 */ 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 391 const struct drm_format_info * 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 392 drm_get_format_info(struct drm_device *dev, 9a77ad08811ab1 Ville Syrjälä 2025-04-10 393 u32 pixel_format, u64 modifier) 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 @394 { 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 395 const struct drm_format_info *info = NULL; 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 396 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 397 if (dev->mode_config.funcs->get_format_info) 9a77ad08811ab1 Ville Syrjälä 2025-04-10 398 info = dev->mode_config.funcs->get_format_info(pixel_format, 9a77ad08811ab1 Ville Syrjälä 2025-04-10 399 modifier); 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 400 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 401 if (!info) 9a77ad08811ab1 Ville Syrjälä 2025-04-10 402 info = drm_format_info(pixel_format); 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 403 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 404 return info; 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 405 } 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 406 EXPORT_SYMBOL(drm_get_format_info); 6a0f9ebfc5e753 Ville Syrjälä 2017-03-21 407 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki