Hi paul-pl.chen, kernel test robot noticed the following build warnings:
[auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.15-rc6 next-20250515] [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/paul-pl-chen/dt-bindings-soc-mediatek-add-mutex-yaml-for-MT8196/20250515-173733 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250515093454.1729720-17-paul-pl.chen%40mediatek.com patch subject: [PATCH v3 16/17] drm/mediatek: Add support for multiple mmsys in the one mediatek-drm driver config: arm64-randconfig-001-20250516 (https://download.01.org/0day-ci/archive/20250516/202505161512.pmrwb8li-...@intel.com/config) compiler: aarch64-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250516/202505161512.pmrwb8li-...@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/202505161512.pmrwb8li-...@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_ddp_comp.c: In function 'mtk_find_possible_crtcs': >> drivers/gpu/drm/mediatek/mtk_ddp_comp.c:670:3: warning: this 'if' clause >> does not guard... [-Wmisleading-indentation] 670 | if (found) | ^~ drivers/gpu/drm/mediatek/mtk_ddp_comp.c:673:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 673 | count++; | ^~~~~ vim +/if +670 drivers/gpu/drm/mediatek/mtk_ddp_comp.c 622 623 int mtk_find_possible_crtcs(struct drm_device *drm, struct device *dev) 624 { 625 struct mtk_drm_private *private = drm->dev_private; 626 const struct mtk_mmsys_driver_data *data; 627 struct mtk_drm_private *priv_n; 628 int i, j, count = 0, ret; 629 630 /* search each path in private data */ 631 for (i = 0; i < MAX_CRTC; i++) { 632 bool found = false; 633 int avail_mmsys_num = 0; 634 635 for (j = 0; j < private->data->mmsys_dev_num; j++) { 636 const unsigned int *path = NULL; 637 unsigned int path_len = 0; 638 639 priv_n = private->all_drm_private[j]; 640 data = priv_n->data; 641 642 if (i == CRTC_MAIN) { 643 path = data->main_path; 644 path_len = data->main_len; 645 } else if (i == CRTC_EXT) { 646 path = data->ext_path; 647 path_len = data->ext_len; 648 } else if (i == CRTC_THIRD) { 649 path = data->third_path; 650 path_len = data->third_len; 651 } 652 653 /* skip if no path data in current mmsys */ 654 if (path_len == 0 || !path) { 655 avail_mmsys_num++; 656 continue; 657 } 658 659 if (mtk_ddp_path_available(path, path_len, priv_n->comp_node)) 660 avail_mmsys_num++; 661 662 if (mtk_ddp_comp_find(dev, path, path_len, priv_n->ddp_comp)) 663 found = true; 664 } 665 666 /* skip invalid path */ 667 if (avail_mmsys_num != private->data->mmsys_dev_num) 668 continue; 669 > 670 if (found) 671 return BIT(count); 672 673 count++; 674 } 675 676 ret = mtk_ddp_comp_find_in_route(dev, 677 private->data->conn_routes, 678 private->data->num_conn_routes, 679 private->ddp_comp); 680 681 if (ret < 0) 682 DRM_INFO("Failed to find comp in ddp table, ret = %d\n", ret); 683 684 return ret; 685 } 686 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki