Hi Mikko, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on tegra/for-next linus/master v5.19-rc5] [cannot apply to tegra-drm/drm/tegra/for-next next-20220704] [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/intel-lab-lkp/linux/commits/Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339 base: git://anongit.freedesktop.org/drm/drm drm-next config: arm-randconfig-r005-20220703 (https://download.01.org/0day-ci/archive/20220705/202207051045.JWeVR4tW-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.3.0 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 # https://github.com/intel-lab-lkp/linux/commit/2501beeae7469b805f9f624049fd56643cf6e18e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mikko-Perttunen/Host1x-context-isolation-support/20220621-231339 git checkout 2501beeae7469b805f9f624049fd56643cf6e18e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/host1x/context.c: In function 'host1x_memory_context_list_init': >> drivers/gpu/host1x/context.c:80:40: error: 'struct iommu_fwspec' has no member named 'ids' 80 | ctx->stream_id = fwspec->ids[0] & 0xffff; | ^~ vim +80 drivers/gpu/host1x/context.c 15 16 int host1x_memory_context_list_init(struct host1x *host1x) 17 { 18 struct host1x_memory_context_list *cdl = &host1x->context_list; 19 struct device_node *node = host1x->dev->of_node; 20 struct host1x_memory_context *ctx; 21 unsigned int i; 22 int err; 23 24 cdl->devs = NULL; 25 cdl->len = 0; 26 mutex_init(&cdl->lock); 27 28 err = of_property_count_u32_elems(node, "iommu-map"); 29 if (err < 0) 30 return 0; 31 32 cdl->devs = kcalloc(err, sizeof(*cdl->devs), GFP_KERNEL); 33 if (!cdl->devs) 34 return -ENOMEM; 35 cdl->len = err / 4; 36 37 for (i = 0; i < cdl->len; i++) { 38 struct iommu_fwspec *fwspec; 39 40 ctx = &cdl->devs[i]; 41 42 ctx->host = host1x; 43 44 device_initialize(&ctx->dev); 45 46 /* 47 * Due to an issue with T194 NVENC, only 38 bits can be used. 48 * Anyway, 256GiB of IOVA ought to be enough for anyone. 49 */ 50 ctx->dma_mask = DMA_BIT_MASK(38); 51 ctx->dev.dma_mask = &ctx->dma_mask; 52 ctx->dev.coherent_dma_mask = ctx->dma_mask; 53 dev_set_name(&ctx->dev, "host1x-ctx.%d", i); 54 ctx->dev.bus = &host1x_context_device_bus_type; 55 ctx->dev.parent = host1x->dev; 56 57 dma_set_max_seg_size(&ctx->dev, UINT_MAX); 58 59 err = device_add(&ctx->dev); 60 if (err) { 61 dev_err(host1x->dev, "could not add context device %d: %d\n", i, err); 62 goto del_devices; 63 } 64 65 err = of_dma_configure_id(&ctx->dev, node, true, &i); 66 if (err) { 67 dev_err(host1x->dev, "IOMMU configuration failed for context device %d: %d\n", 68 i, err); 69 device_del(&ctx->dev); 70 goto del_devices; 71 } 72 73 fwspec = dev_iommu_fwspec_get(&ctx->dev); 74 if (!fwspec) { 75 dev_err(host1x->dev, "Context device %d has no IOMMU!\n", i); 76 device_del(&ctx->dev); 77 goto del_devices; 78 } 79 > 80 ctx->stream_id = fwspec->ids[0] & 0xffff; 81 } 82 83 return 0; 84 85 del_devices: 86 while (i--) 87 device_del(&cdl->devs[i].dev); 88 89 kfree(cdl->devs); 90 cdl->len = 0; 91 92 return err; 93 } 94 -- 0-DAY CI Kernel Test Service https://01.org/lkp
