Hi Robin, I love your patch! Yet something to improve: [auto build test ERROR on joro-iommu/next] [also build test ERROR on tegra/for-next v5.16-rc4] [cannot apply to tegra-drm/drm/tegra/for-next] [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] url: https://github.com/0day-ci/linux/commits/Robin-Murphy/iommu-refactor-flush-queues-into-iommu-dma/20211211-015635 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: arm64-randconfig-r014-20211210 (https://download.01.org/0day-ci/archive/20211211/202112110744.cWU0wC1O-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/3b6adb4a8ec42d7b5c1b3b1af2c857a2375fd7e1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Robin-Murphy/iommu-refactor-flush-queues-into-iommu-dma/20211211-015635 git checkout 3b6adb4a8ec42d7b5c1b3b1af2c857a2375fd7e1 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/tegra/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/tegra/hub.c:1043:17: error: implicit declaration of function 'dma_get_mask' [-Werror,-Wimplicit-function-declaration] u64 dma_mask = dma_get_mask(pdev->dev.parent); ^ drivers/gpu/drm/tegra/hub.c:1043:17: note: did you mean 'xa_get_mark'? include/linux/xarray.h:354:6: note: 'xa_get_mark' declared here bool xa_get_mark(struct xarray *, unsigned long index, xa_mark_t); ^ >> drivers/gpu/drm/tegra/hub.c:1050:8: error: implicit declaration of function 'dma_coerce_mask_and_coherent' [-Werror,-Wimplicit-function-declaration] err = dma_coerce_mask_and_coherent(&pdev->dev, dma_mask); ^ 2 errors generated. -- >> drivers/gpu/drm/tegra/plane.c:46:21: error: use of undeclared identifier 'DMA_MAPPING_ERROR' state->iova[i] = DMA_MAPPING_ERROR; ^ drivers/gpu/drm/tegra/plane.c:76:19: error: use of undeclared identifier 'DMA_MAPPING_ERROR' copy->iova[i] = DMA_MAPPING_ERROR; ^ >> drivers/gpu/drm/tegra/plane.c:170:10: error: implicit declaration of function 'dma_map_sgtable' [-Werror,-Wimplicit-function-declaration] err = dma_map_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ drivers/gpu/drm/tegra/plane.c:170:10: note: did you mean 'iommu_map_sgtable'? include/linux/iommu.h:1097:22: note: 'iommu_map_sgtable' declared here static inline size_t iommu_map_sgtable(struct iommu_domain *domain, ^ >> drivers/gpu/drm/tegra/plane.c:170:40: error: use of undeclared identifier 'DMA_TO_DEVICE' err = dma_map_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ >> drivers/gpu/drm/tegra/plane.c:202:4: error: implicit declaration of function 'dma_unmap_sgtable' [-Werror,-Wimplicit-function-declaration] dma_unmap_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ drivers/gpu/drm/tegra/plane.c:202:4: note: did you mean 'iommu_map_sgtable'? include/linux/iommu.h:1097:22: note: 'iommu_map_sgtable' declared here static inline size_t iommu_map_sgtable(struct iommu_domain *domain, ^ drivers/gpu/drm/tegra/plane.c:202:36: error: use of undeclared identifier 'DMA_TO_DEVICE' dma_unmap_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ drivers/gpu/drm/tegra/plane.c:205:20: error: use of undeclared identifier 'DMA_MAPPING_ERROR' state->iova[i] = DMA_MAPPING_ERROR; ^ drivers/gpu/drm/tegra/plane.c:221:4: error: implicit declaration of function 'dma_unmap_sgtable' [-Werror,-Wimplicit-function-declaration] dma_unmap_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ drivers/gpu/drm/tegra/plane.c:221:36: error: use of undeclared identifier 'DMA_TO_DEVICE' dma_unmap_sgtable(dc->dev, sgt, DMA_TO_DEVICE, 0); ^ drivers/gpu/drm/tegra/plane.c:224:20: error: use of undeclared identifier 'DMA_MAPPING_ERROR' state->iova[i] = DMA_MAPPING_ERROR; ^ 10 errors generated. -- drivers/gpu/drm/tegra/dc.c:2225:31: warning: variable 'old_state' set but not used [-Wunused-but-set-variable] const struct drm_crtc_state *old_state; ^ >> drivers/gpu/drm/tegra/dc.c:2978:17: error: implicit declaration of function 'dma_get_mask' [-Werror,-Wimplicit-function-declaration] u64 dma_mask = dma_get_mask(pdev->dev.parent); ^ drivers/gpu/drm/tegra/dc.c:2978:17: note: did you mean 'xa_get_mark'? include/linux/xarray.h:354:6: note: 'xa_get_mark' declared here bool xa_get_mark(struct xarray *, unsigned long index, xa_mark_t); ^ >> drivers/gpu/drm/tegra/dc.c:2982:8: error: implicit declaration of function 'dma_coerce_mask_and_coherent' [-Werror,-Wimplicit-function-declaration] err = dma_coerce_mask_and_coherent(&pdev->dev, dma_mask); ^ 1 warning and 2 errors generated. vim +/dma_get_mask +1043 drivers/gpu/drm/tegra/hub.c c4755fb9064f640 Thierry Reding 2017-11-13 1040 c4755fb9064f640 Thierry Reding 2017-11-13 1041 static int tegra_display_hub_probe(struct platform_device *pdev) c4755fb9064f640 Thierry Reding 2017-11-13 1042 { 86044e749be77a3 Thierry Reding 2021-03-26 @1043 u64 dma_mask = dma_get_mask(pdev->dev.parent); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1044 struct device_node *child = NULL; c4755fb9064f640 Thierry Reding 2017-11-13 1045 struct tegra_display_hub *hub; 0cffbde2e318cc1 Thierry Reding 2018-11-29 1046 struct clk *clk; c4755fb9064f640 Thierry Reding 2017-11-13 1047 unsigned int i; c4755fb9064f640 Thierry Reding 2017-11-13 1048 int err; c4755fb9064f640 Thierry Reding 2017-11-13 1049 86044e749be77a3 Thierry Reding 2021-03-26 @1050 err = dma_coerce_mask_and_coherent(&pdev->dev, dma_mask); 86044e749be77a3 Thierry Reding 2021-03-26 1051 if (err < 0) { 86044e749be77a3 Thierry Reding 2021-03-26 1052 dev_err(&pdev->dev, "failed to set DMA mask: %d\n", err); 86044e749be77a3 Thierry Reding 2021-03-26 1053 return err; 86044e749be77a3 Thierry Reding 2021-03-26 1054 } 86044e749be77a3 Thierry Reding 2021-03-26 1055 c4755fb9064f640 Thierry Reding 2017-11-13 1056 hub = devm_kzalloc(&pdev->dev, sizeof(*hub), GFP_KERNEL); c4755fb9064f640 Thierry Reding 2017-11-13 1057 if (!hub) c4755fb9064f640 Thierry Reding 2017-11-13 1058 return -ENOMEM; c4755fb9064f640 Thierry Reding 2017-11-13 1059 c4755fb9064f640 Thierry Reding 2017-11-13 1060 hub->soc = of_device_get_match_data(&pdev->dev); c4755fb9064f640 Thierry Reding 2017-11-13 1061 c4755fb9064f640 Thierry Reding 2017-11-13 1062 hub->clk_disp = devm_clk_get(&pdev->dev, "disp"); c4755fb9064f640 Thierry Reding 2017-11-13 1063 if (IS_ERR(hub->clk_disp)) { c4755fb9064f640 Thierry Reding 2017-11-13 1064 err = PTR_ERR(hub->clk_disp); c4755fb9064f640 Thierry Reding 2017-11-13 1065 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1066 } c4755fb9064f640 Thierry Reding 2017-11-13 1067 5725daaab55ca02 Thierry Reding 2018-09-21 1068 if (hub->soc->supports_dsc) { c4755fb9064f640 Thierry Reding 2017-11-13 1069 hub->clk_dsc = devm_clk_get(&pdev->dev, "dsc"); c4755fb9064f640 Thierry Reding 2017-11-13 1070 if (IS_ERR(hub->clk_dsc)) { c4755fb9064f640 Thierry Reding 2017-11-13 1071 err = PTR_ERR(hub->clk_dsc); c4755fb9064f640 Thierry Reding 2017-11-13 1072 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1073 } 5725daaab55ca02 Thierry Reding 2018-09-21 1074 } c4755fb9064f640 Thierry Reding 2017-11-13 1075 c4755fb9064f640 Thierry Reding 2017-11-13 1076 hub->clk_hub = devm_clk_get(&pdev->dev, "hub"); c4755fb9064f640 Thierry Reding 2017-11-13 1077 if (IS_ERR(hub->clk_hub)) { c4755fb9064f640 Thierry Reding 2017-11-13 1078 err = PTR_ERR(hub->clk_hub); c4755fb9064f640 Thierry Reding 2017-11-13 1079 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1080 } c4755fb9064f640 Thierry Reding 2017-11-13 1081 c4755fb9064f640 Thierry Reding 2017-11-13 1082 hub->rst = devm_reset_control_get(&pdev->dev, "misc"); c4755fb9064f640 Thierry Reding 2017-11-13 1083 if (IS_ERR(hub->rst)) { c4755fb9064f640 Thierry Reding 2017-11-13 1084 err = PTR_ERR(hub->rst); c4755fb9064f640 Thierry Reding 2017-11-13 1085 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1086 } c4755fb9064f640 Thierry Reding 2017-11-13 1087 c4755fb9064f640 Thierry Reding 2017-11-13 1088 hub->wgrps = devm_kcalloc(&pdev->dev, hub->soc->num_wgrps, c4755fb9064f640 Thierry Reding 2017-11-13 1089 sizeof(*hub->wgrps), GFP_KERNEL); c4755fb9064f640 Thierry Reding 2017-11-13 1090 if (!hub->wgrps) c4755fb9064f640 Thierry Reding 2017-11-13 1091 return -ENOMEM; c4755fb9064f640 Thierry Reding 2017-11-13 1092 c4755fb9064f640 Thierry Reding 2017-11-13 1093 for (i = 0; i < hub->soc->num_wgrps; i++) { c4755fb9064f640 Thierry Reding 2017-11-13 1094 struct tegra_windowgroup *wgrp = &hub->wgrps[i]; c4755fb9064f640 Thierry Reding 2017-11-13 1095 char id[8]; c4755fb9064f640 Thierry Reding 2017-11-13 1096 c4755fb9064f640 Thierry Reding 2017-11-13 1097 snprintf(id, sizeof(id), "wgrp%u", i); c4755fb9064f640 Thierry Reding 2017-11-13 1098 mutex_init(&wgrp->lock); c4755fb9064f640 Thierry Reding 2017-11-13 1099 wgrp->usecount = 0; c4755fb9064f640 Thierry Reding 2017-11-13 1100 wgrp->index = i; c4755fb9064f640 Thierry Reding 2017-11-13 1101 c4755fb9064f640 Thierry Reding 2017-11-13 1102 wgrp->rst = devm_reset_control_get(&pdev->dev, id); c4755fb9064f640 Thierry Reding 2017-11-13 1103 if (IS_ERR(wgrp->rst)) c4755fb9064f640 Thierry Reding 2017-11-13 1104 return PTR_ERR(wgrp->rst); c4755fb9064f640 Thierry Reding 2017-11-13 1105 c4755fb9064f640 Thierry Reding 2017-11-13 1106 err = reset_control_assert(wgrp->rst); c4755fb9064f640 Thierry Reding 2017-11-13 1107 if (err < 0) c4755fb9064f640 Thierry Reding 2017-11-13 1108 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1109 } c4755fb9064f640 Thierry Reding 2017-11-13 1110 0cffbde2e318cc1 Thierry Reding 2018-11-29 1111 hub->num_heads = of_get_child_count(pdev->dev.of_node); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1112 0cffbde2e318cc1 Thierry Reding 2018-11-29 1113 hub->clk_heads = devm_kcalloc(&pdev->dev, hub->num_heads, sizeof(clk), 0cffbde2e318cc1 Thierry Reding 2018-11-29 1114 GFP_KERNEL); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1115 if (!hub->clk_heads) 0cffbde2e318cc1 Thierry Reding 2018-11-29 1116 return -ENOMEM; 0cffbde2e318cc1 Thierry Reding 2018-11-29 1117 0cffbde2e318cc1 Thierry Reding 2018-11-29 1118 for (i = 0; i < hub->num_heads; i++) { 0cffbde2e318cc1 Thierry Reding 2018-11-29 1119 child = of_get_next_child(pdev->dev.of_node, child); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1120 if (!child) { 0cffbde2e318cc1 Thierry Reding 2018-11-29 1121 dev_err(&pdev->dev, "failed to find node for head %u\n", 0cffbde2e318cc1 Thierry Reding 2018-11-29 1122 i); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1123 return -ENODEV; 0cffbde2e318cc1 Thierry Reding 2018-11-29 1124 } 0cffbde2e318cc1 Thierry Reding 2018-11-29 1125 0cffbde2e318cc1 Thierry Reding 2018-11-29 1126 clk = devm_get_clk_from_child(&pdev->dev, child, "dc"); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1127 if (IS_ERR(clk)) { 0cffbde2e318cc1 Thierry Reding 2018-11-29 1128 dev_err(&pdev->dev, "failed to get clock for head %u\n", 0cffbde2e318cc1 Thierry Reding 2018-11-29 1129 i); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1130 of_node_put(child); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1131 return PTR_ERR(clk); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1132 } 0cffbde2e318cc1 Thierry Reding 2018-11-29 1133 0cffbde2e318cc1 Thierry Reding 2018-11-29 1134 hub->clk_heads[i] = clk; 0cffbde2e318cc1 Thierry Reding 2018-11-29 1135 } 0cffbde2e318cc1 Thierry Reding 2018-11-29 1136 0cffbde2e318cc1 Thierry Reding 2018-11-29 1137 of_node_put(child); 0cffbde2e318cc1 Thierry Reding 2018-11-29 1138 c4755fb9064f640 Thierry Reding 2017-11-13 1139 /* XXX: enable clock across reset? */ c4755fb9064f640 Thierry Reding 2017-11-13 1140 err = reset_control_assert(hub->rst); c4755fb9064f640 Thierry Reding 2017-11-13 1141 if (err < 0) c4755fb9064f640 Thierry Reding 2017-11-13 1142 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1143 c4755fb9064f640 Thierry Reding 2017-11-13 1144 platform_set_drvdata(pdev, hub); c4755fb9064f640 Thierry Reding 2017-11-13 1145 pm_runtime_enable(&pdev->dev); c4755fb9064f640 Thierry Reding 2017-11-13 1146 c4755fb9064f640 Thierry Reding 2017-11-13 1147 INIT_LIST_HEAD(&hub->client.list); c4755fb9064f640 Thierry Reding 2017-11-13 1148 hub->client.ops = &tegra_display_hub_ops; c4755fb9064f640 Thierry Reding 2017-11-13 1149 hub->client.dev = &pdev->dev; c4755fb9064f640 Thierry Reding 2017-11-13 1150 c4755fb9064f640 Thierry Reding 2017-11-13 1151 err = host1x_client_register(&hub->client); c4755fb9064f640 Thierry Reding 2017-11-13 1152 if (err < 0) c4755fb9064f640 Thierry Reding 2017-11-13 1153 dev_err(&pdev->dev, "failed to register host1x client: %d\n", c4755fb9064f640 Thierry Reding 2017-11-13 1154 err); c4755fb9064f640 Thierry Reding 2017-11-13 1155 a101e3dad8a90a8 Thierry Reding 2020-06-12 1156 err = devm_of_platform_populate(&pdev->dev); a101e3dad8a90a8 Thierry Reding 2020-06-12 1157 if (err < 0) a101e3dad8a90a8 Thierry Reding 2020-06-12 1158 goto unregister; a101e3dad8a90a8 Thierry Reding 2020-06-12 1159 a101e3dad8a90a8 Thierry Reding 2020-06-12 1160 return err; a101e3dad8a90a8 Thierry Reding 2020-06-12 1161 a101e3dad8a90a8 Thierry Reding 2020-06-12 1162 unregister: a101e3dad8a90a8 Thierry Reding 2020-06-12 1163 host1x_client_unregister(&hub->client); a101e3dad8a90a8 Thierry Reding 2020-06-12 1164 pm_runtime_disable(&pdev->dev); c4755fb9064f640 Thierry Reding 2017-11-13 1165 return err; c4755fb9064f640 Thierry Reding 2017-11-13 1166 } c4755fb9064f640 Thierry Reding 2017-11-13 1167 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
