Hi Dave, kernel test robot noticed the following build warnings: [auto build test WARNING on 91e21479c81dd4e9e22a78d7446f92f6b96a7284] url: https://github.com/intel-lab-lkp/linux/commits/Dave-Stevenson/drm-vc4-Limit-max_bpc-to-8-on-Pi0-3/20241024-005239 base: 91e21479c81dd4e9e22a78d7446f92f6b96a7284 patch link: https://lore.kernel.org/r/20241023-drm-vc4-2712-support-v1-21-1cc2d5594907%40raspberrypi.com patch subject: [PATCH 21/37] drm/vc4: txp: Add support for BCM2712 MOP config: arc-randconfig-r111-20241025 (https://download.01.org/0day-ci/archive/20241025/202410251725.ZQplKjRl-lkp@xxxxxxxxx/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241025/202410251725.ZQplKjRl-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/202410251725.ZQplKjRl-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/vc4/vc4_txp.c:513:27: sparse: sparse: symbol 'bcm2712_mop_data' was not declared. Should it be static? vim +/bcm2712_mop_data +513 drivers/gpu/drm/vc4/vc4_txp.c 512 > 513 const struct vc4_txp_data bcm2712_mop_data = { 514 .base = { 515 .name = "mop", 516 .debugfs_name = "mop_regs", 517 .hvs_available_channels = BIT(2), 518 .hvs_output = 2, 519 }, 520 .encoder_type = VC4_ENCODER_TYPE_TXP0, 521 .high_addr_ptr_reg = TXP_DST_PTR_HIGH_MOP, 522 .has_byte_enable = true, 523 .size_minus_one = true, 524 .supports_40bit_addresses = true, 525 }; 526 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki