Hi Adrián, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v6.15-rc2 next-20250414] [cannot apply to drm-misc/drm-misc-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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Adri-n-Larumbe/drm-panthor-Introduce-BO-labeling/20250414-101541 base: linus/master patch link: https://lore.kernel.org/r/20250411150357.3308921-4-adrian.larumbe%40collabora.com patch subject: [PATCH v7 3/4] drm/panthor: Label all kernel BO's config: i386-buildonly-randconfig-006-20250414 (https://download.01.org/0day-ci/archive/20250414/202504142148.nbayzlue-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250414/202504142148.nbayzlue-...@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/202504142148.nbayzlue-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/panthor/panthor_gem.c:86: warning: Function parameter or >> struct member 'name' not described in 'panthor_kernel_bo_create' vim +86 drivers/gpu/drm/panthor/panthor_gem.c 8a1cc07578bf42 Boris Brezillon 2024-02-29 67 8a1cc07578bf42 Boris Brezillon 2024-02-29 68 /** 8a1cc07578bf42 Boris Brezillon 2024-02-29 69 * panthor_kernel_bo_create() - Create and map a GEM object to a VM 8a1cc07578bf42 Boris Brezillon 2024-02-29 70 * @ptdev: Device. 8a1cc07578bf42 Boris Brezillon 2024-02-29 71 * @vm: VM to map the GEM to. If NULL, the kernel object is not GPU mapped. 8a1cc07578bf42 Boris Brezillon 2024-02-29 72 * @size: Size of the buffer object. 8a1cc07578bf42 Boris Brezillon 2024-02-29 73 * @bo_flags: Combination of drm_panthor_bo_flags flags. 8a1cc07578bf42 Boris Brezillon 2024-02-29 74 * @vm_map_flags: Combination of drm_panthor_vm_bind_op_flags (only those 8a1cc07578bf42 Boris Brezillon 2024-02-29 75 * that are related to map operations). 8a1cc07578bf42 Boris Brezillon 2024-02-29 76 * @gpu_va: GPU address assigned when mapping to the VM. 8a1cc07578bf42 Boris Brezillon 2024-02-29 77 * If gpu_va == PANTHOR_VM_KERNEL_AUTO_VA, the virtual address will be 8a1cc07578bf42 Boris Brezillon 2024-02-29 78 * automatically allocated. 8a1cc07578bf42 Boris Brezillon 2024-02-29 79 * 8a1cc07578bf42 Boris Brezillon 2024-02-29 80 * Return: A valid pointer in case of success, an ERR_PTR() otherwise. 8a1cc07578bf42 Boris Brezillon 2024-02-29 81 */ 8a1cc07578bf42 Boris Brezillon 2024-02-29 82 struct panthor_kernel_bo * 8a1cc07578bf42 Boris Brezillon 2024-02-29 83 panthor_kernel_bo_create(struct panthor_device *ptdev, struct panthor_vm *vm, 8a1cc07578bf42 Boris Brezillon 2024-02-29 84 size_t size, u32 bo_flags, u32 vm_map_flags, f48f05d54f7696 Adrián Larumbe 2025-04-11 85 u64 gpu_va, const char *name) 8a1cc07578bf42 Boris Brezillon 2024-02-29 @86 { 8a1cc07578bf42 Boris Brezillon 2024-02-29 87 struct drm_gem_shmem_object *obj; 8a1cc07578bf42 Boris Brezillon 2024-02-29 88 struct panthor_kernel_bo *kbo; 8a1cc07578bf42 Boris Brezillon 2024-02-29 89 struct panthor_gem_object *bo; 8a1cc07578bf42 Boris Brezillon 2024-02-29 90 int ret; 8a1cc07578bf42 Boris Brezillon 2024-02-29 91 8a1cc07578bf42 Boris Brezillon 2024-02-29 92 if (drm_WARN_ON(&ptdev->base, !vm)) 8a1cc07578bf42 Boris Brezillon 2024-02-29 93 return ERR_PTR(-EINVAL); 8a1cc07578bf42 Boris Brezillon 2024-02-29 94 8a1cc07578bf42 Boris Brezillon 2024-02-29 95 kbo = kzalloc(sizeof(*kbo), GFP_KERNEL); 8a1cc07578bf42 Boris Brezillon 2024-02-29 96 if (!kbo) 8a1cc07578bf42 Boris Brezillon 2024-02-29 97 return ERR_PTR(-ENOMEM); 8a1cc07578bf42 Boris Brezillon 2024-02-29 98 8a1cc07578bf42 Boris Brezillon 2024-02-29 99 obj = drm_gem_shmem_create(&ptdev->base, size); 8a1cc07578bf42 Boris Brezillon 2024-02-29 100 if (IS_ERR(obj)) { 8a1cc07578bf42 Boris Brezillon 2024-02-29 101 ret = PTR_ERR(obj); 8a1cc07578bf42 Boris Brezillon 2024-02-29 102 goto err_free_bo; 8a1cc07578bf42 Boris Brezillon 2024-02-29 103 } 8a1cc07578bf42 Boris Brezillon 2024-02-29 104 8a1cc07578bf42 Boris Brezillon 2024-02-29 105 bo = to_panthor_bo(&obj->base); 8a1cc07578bf42 Boris Brezillon 2024-02-29 106 kbo->obj = &obj->base; 8a1cc07578bf42 Boris Brezillon 2024-02-29 107 bo->flags = bo_flags; 8a1cc07578bf42 Boris Brezillon 2024-02-29 108 f48f05d54f7696 Adrián Larumbe 2025-04-11 109 panthor_gem_kernel_bo_set_label(kbo, name); f48f05d54f7696 Adrián Larumbe 2025-04-11 110 5d01b56f0518d8 Boris Brezillon 2024-10-30 111 /* The system and GPU MMU page size might differ, which becomes a 5d01b56f0518d8 Boris Brezillon 2024-10-30 112 * problem for FW sections that need to be mapped at explicit address 5d01b56f0518d8 Boris Brezillon 2024-10-30 113 * since our PAGE_SIZE alignment might cover a VA range that's 5d01b56f0518d8 Boris Brezillon 2024-10-30 114 * expected to be used for another section. 5d01b56f0518d8 Boris Brezillon 2024-10-30 115 * Make sure we never map more than we need. 5d01b56f0518d8 Boris Brezillon 2024-10-30 116 */ 5d01b56f0518d8 Boris Brezillon 2024-10-30 117 size = ALIGN(size, panthor_vm_page_size(vm)); 8a1cc07578bf42 Boris Brezillon 2024-02-29 118 ret = panthor_vm_alloc_va(vm, gpu_va, size, &kbo->va_node); 8a1cc07578bf42 Boris Brezillon 2024-02-29 119 if (ret) 8a1cc07578bf42 Boris Brezillon 2024-02-29 120 goto err_put_obj; 8a1cc07578bf42 Boris Brezillon 2024-02-29 121 8a1cc07578bf42 Boris Brezillon 2024-02-29 122 ret = panthor_vm_map_bo_range(vm, bo, 0, size, kbo->va_node.start, vm_map_flags); 8a1cc07578bf42 Boris Brezillon 2024-02-29 123 if (ret) 8a1cc07578bf42 Boris Brezillon 2024-02-29 124 goto err_free_va; 8a1cc07578bf42 Boris Brezillon 2024-02-29 125 ff60c8da0aaf7e Boris Brezillon 2024-05-02 126 kbo->vm = panthor_vm_get(vm); 8a1cc07578bf42 Boris Brezillon 2024-02-29 127 bo->exclusive_vm_root_gem = panthor_vm_root_gem(vm); 8a1cc07578bf42 Boris Brezillon 2024-02-29 128 drm_gem_object_get(bo->exclusive_vm_root_gem); 8a1cc07578bf42 Boris Brezillon 2024-02-29 129 bo->base.base.resv = bo->exclusive_vm_root_gem->resv; 8a1cc07578bf42 Boris Brezillon 2024-02-29 130 return kbo; 8a1cc07578bf42 Boris Brezillon 2024-02-29 131 8a1cc07578bf42 Boris Brezillon 2024-02-29 132 err_free_va: 8a1cc07578bf42 Boris Brezillon 2024-02-29 133 panthor_vm_free_va(vm, &kbo->va_node); 8a1cc07578bf42 Boris Brezillon 2024-02-29 134 8a1cc07578bf42 Boris Brezillon 2024-02-29 135 err_put_obj: 8a1cc07578bf42 Boris Brezillon 2024-02-29 136 drm_gem_object_put(&obj->base); 8a1cc07578bf42 Boris Brezillon 2024-02-29 137 8a1cc07578bf42 Boris Brezillon 2024-02-29 138 err_free_bo: 8a1cc07578bf42 Boris Brezillon 2024-02-29 139 kfree(kbo); 8a1cc07578bf42 Boris Brezillon 2024-02-29 140 return ERR_PTR(ret); 8a1cc07578bf42 Boris Brezillon 2024-02-29 141 } 8a1cc07578bf42 Boris Brezillon 2024-02-29 142 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
