Hi Dzmitry, kernel test robot noticed the following build warnings: [auto build test WARNING on 58ca61c1a866bfdaa5e19fb19a2416764f847d75] url: https://github.com/intel-lab-lkp/linux/commits/Dzmitry-Sankouski/drm-mipi-dsi-add-mipi_dsi_compression_mode_multi/20241007-022151 base: 58ca61c1a866bfdaa5e19fb19a2416764f847d75 patch link: https://lore.kernel.org/r/20241006-starqltechn_integration_upstream-v6-1-8336b9cd6c34%40gmail.com patch subject: [PATCH v6 1/3] drm/mipi-dsi: add mipi_dsi_compression_mode_multi config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241009/202410092245.tfsuUllL-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410092245.tfsuUllL-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/202410092245.tfsuUllL-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/drm_mipi_dsi.c:1533: warning: Function parameter or struct member 'ctx' not described in 'mipi_dsi_compression_mode_multi' >> drivers/gpu/drm/drm_mipi_dsi.c:1533: warning: Excess function parameter 'dsi' description in 'mipi_dsi_compression_mode_multi' vim +1533 drivers/gpu/drm/drm_mipi_dsi.c 1522 1523 /** 1524 * mipi_dsi_compression_mode_multi() - enable/disable DSC on the peripheral 1525 * @dsi: DSI peripheral device 1526 * @enable: Whether to enable or disable the DSC 1527 * 1528 * Enable or disable Display Stream Compression on the peripheral using the 1529 * default Picture Parameter Set and VESA DSC 1.1 algorithm. 1530 */ 1531 void mipi_dsi_compression_mode_multi(struct mipi_dsi_multi_context *ctx, 1532 bool enable) > 1533 { 1534 return mipi_dsi_compression_mode_ext_multi(ctx, enable, 1535 MIPI_DSI_COMPRESSION_DSC, 0); 1536 } 1537 EXPORT_SYMBOL(mipi_dsi_compression_mode_multi); 1538 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki