Hi Melanie, kernel test robot noticed the following build warnings: url: https://github.com/intel-lab-lkp/linux/commits/Melanie-Lobo/drm-i915-Support-FP16-compressed-formats-on-MTL/20231011-181214 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20231011102356.22014-1-melanie.lobo%40intel.com patch subject: [PATCH] drm/i915: Support FP16 compressed formats on MTL config: x86_64-randconfig-161-20231015 (https://download.01.org/0day-ci/archive/20231015/202310150454.S9QF86bl-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231015/202310150454.S9QF86bl-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> | Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> | Closes: https://lore.kernel.org/r/202310150454.S9QF86bl-lkp@xxxxxxxxx/ smatch warnings: drivers/gpu/drm/i915/display/skl_universal_plane.c:2126 gen12_plane_format_mod_supported() warn: ignoring unreachable code. vim +2126 drivers/gpu/drm/i915/display/skl_universal_plane.c 46d12f911821f7 Dave Airlie 2021-02-05 2120 case DRM_FORMAT_Y210: 46d12f911821f7 Dave Airlie 2021-02-05 2121 case DRM_FORMAT_Y212: 46d12f911821f7 Dave Airlie 2021-02-05 2122 case DRM_FORMAT_Y216: 46d12f911821f7 Dave Airlie 2021-02-05 2123 case DRM_FORMAT_XVYU12_16161616: 46d12f911821f7 Dave Airlie 2021-02-05 2124 case DRM_FORMAT_XVYU16161616: 46d12f911821f7 Dave Airlie 2021-02-05 2125 return true; 46d12f911821f7 Dave Airlie 2021-02-05 @2126 fallthrough; This fallthrough annotation is incorrect. 46d12f911821f7 Dave Airlie 2021-02-05 2127 default: 46d12f911821f7 Dave Airlie 2021-02-05 2128 return false; 46d12f911821f7 Dave Airlie 2021-02-05 2129 } 46d12f911821f7 Dave Airlie 2021-02-05 2130 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
