Hi Hsin-Yi, Thank you for the patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [cannot apply to arm-soc/for-next xlnx/master linus/master v5.6 next-20200405] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Hsin-Yi-Wang/drm-mediatek-fix-device-passed-to-cmdq/20200406-132804 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: arm64-randconfig-a001-20200406 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/mediatek/mtk_drm_crtc.c: In function 'mtk_drm_crtc_create': >> drivers/gpu/drm/mediatek/mtk_drm_crtc.c:824:29: error: 'struct mtk_drm_crtc' has no member named 'mmsys_dev' 824 | cmdq_mbox_create(mtk_crtc->mmsys_dev, | ^~ drivers/gpu/drm/mediatek/mtk_drm_crtc.c:832:43: error: 'struct mtk_drm_crtc' has no member named 'mmsys_dev' 832 | ret = of_property_read_u32_index(mtk_crtc->mmsys_dev->of_node, | ^~ vim +824 drivers/gpu/drm/mediatek/mtk_drm_crtc.c 724 725 int mtk_drm_crtc_create(struct drm_device *drm_dev, 726 const enum mtk_ddp_comp_id *path, unsigned int path_len) 727 { 728 struct mtk_drm_private *priv = drm_dev->dev_private; 729 struct device *dev = drm_dev->dev; 730 struct mtk_drm_crtc *mtk_crtc; 731 unsigned int num_comp_planes = 0; 732 int pipe = priv->num_pipes; 733 int ret; 734 int i; 735 bool has_ctm = false; 736 uint gamma_lut_size = 0; 737 738 if (!path) 739 return 0; 740 741 for (i = 0; i < path_len; i++) { 742 enum mtk_ddp_comp_id comp_id = path[i]; 743 struct device_node *node; 744 745 node = priv->comp_node[comp_id]; 746 if (!node) { 747 dev_info(dev, 748 "Not creating crtc %d because component %d is disabled or missing\n", 749 pipe, comp_id); 750 return 0; 751 } 752 } 753 754 mtk_crtc = devm_kzalloc(dev, sizeof(*mtk_crtc), GFP_KERNEL); 755 if (!mtk_crtc) 756 return -ENOMEM; 757 758 mtk_crtc->config_regs = priv->config_regs; 759 mtk_crtc->ddp_comp_nr = path_len; 760 mtk_crtc->ddp_comp = devm_kmalloc_array(dev, mtk_crtc->ddp_comp_nr, 761 sizeof(*mtk_crtc->ddp_comp), 762 GFP_KERNEL); 763 if (!mtk_crtc->ddp_comp) 764 return -ENOMEM; 765 766 mtk_crtc->mutex = mtk_disp_mutex_get(priv->mutex_dev, pipe); 767 if (IS_ERR(mtk_crtc->mutex)) { 768 ret = PTR_ERR(mtk_crtc->mutex); 769 dev_err(dev, "Failed to get mutex: %d\n", ret); 770 return ret; 771 } 772 773 for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { 774 enum mtk_ddp_comp_id comp_id = path[i]; 775 struct mtk_ddp_comp *comp; 776 struct device_node *node; 777 778 node = priv->comp_node[comp_id]; 779 comp = priv->ddp_comp[comp_id]; 780 if (!comp) { 781 dev_err(dev, "Component %pOF not initialized\n", node); 782 ret = -ENODEV; 783 return ret; 784 } 785 786 mtk_crtc->ddp_comp[i] = comp; 787 788 if (comp->funcs) { 789 if (comp->funcs->gamma_set) 790 gamma_lut_size = MTK_LUT_SIZE; 791 792 if (comp->funcs->ctm_set) 793 has_ctm = true; 794 } 795 } 796 797 for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) 798 num_comp_planes += mtk_drm_crtc_num_comp_planes(mtk_crtc, i); 799 800 mtk_crtc->planes = devm_kcalloc(dev, num_comp_planes, 801 sizeof(struct drm_plane), GFP_KERNEL); 802 803 for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { 804 ret = mtk_drm_crtc_init_comp_planes(drm_dev, mtk_crtc, i, 805 pipe); 806 if (ret) 807 return ret; 808 } 809 810 ret = mtk_drm_crtc_init(drm_dev, mtk_crtc, &mtk_crtc->planes[0], 811 mtk_crtc->layer_nr > 1 ? &mtk_crtc->planes[1] : 812 NULL, pipe); 813 if (ret < 0) 814 return ret; 815 816 if (gamma_lut_size) 817 drm_mode_crtc_set_gamma_size(&mtk_crtc->base, gamma_lut_size); 818 drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, has_ctm, gamma_lut_size); 819 priv->num_pipes++; 820 mutex_init(&mtk_crtc->hw_lock); 821 822 #if IS_REACHABLE(CONFIG_MTK_CMDQ) 823 mtk_crtc->cmdq_client = > 824 cmdq_mbox_create(mtk_crtc->mmsys_dev, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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