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Message-ID: <202309210041.Ypce0gUk-lkp@intel.com>
Date: Thu, 21 Sep 2023 00:40:13 +0800
From: kernel test robot <lkp@...el.com>
To: Danilo Krummrich <dakr@...hat.com>, airlied@...il.com,
daniel@...ll.ch, matthew.brost@...el.com,
thomas.hellstrom@...ux.intel.com, sarah.walker@...tec.com,
donald.robson@...tec.com, boris.brezillon@...labora.com,
christian.koenig@....com, faith.ekstrand@...labora.com
Cc: oe-kbuild-all@...ts.linux.dev, nouveau@...ts.freedesktop.org,
Danilo Krummrich <dakr@...hat.com>,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH drm-misc-next v4 6/8] drm/gpuvm: add drm_gpuvm_flags to
drm_gpuvm
Hi Danilo,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 1c7a387ffef894b1ab3942f0482dac7a6e0a909c]
url: https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-gpuvm-rename-struct-drm_gpuva_manager-to-struct-drm_gpuvm/20230920-224605
base: 1c7a387ffef894b1ab3942f0482dac7a6e0a909c
patch link: https://lore.kernel.org/r/20230920144343.64830-7-dakr%40redhat.com
patch subject: [PATCH drm-misc-next v4 6/8] drm/gpuvm: add drm_gpuvm_flags to drm_gpuvm
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230921/202309210041.Ypce0gUk-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230921/202309210041.Ypce0gUk-lkp@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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309210041.Ypce0gUk-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/drm_gpuvm.c:712: warning: Function parameter or member 'flags' not described in 'drm_gpuvm_init'
vim +712 drivers/gpu/drm/drm_gpuvm.c
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 689
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 690 /**
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 691 * drm_gpuvm_init() - initialize a &drm_gpuvm
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 692 * @gpuvm: pointer to the &drm_gpuvm to initialize
52ef25512ca721 drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 693 * @drm: the drivers &drm_device
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 694 * @name: the name of the GPU VA space
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 695 * @start_offset: the start offset of the GPU VA space
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 696 * @range: the size of the GPU VA space
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 697 * @reserve_offset: the start of the kernel reserved GPU VA area
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 698 * @reserve_range: the size of the kernel reserved GPU VA area
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 699 * @ops: &drm_gpuvm_ops called on &drm_gpuvm_sm_map / &drm_gpuvm_sm_unmap
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 700 *
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 701 * The &drm_gpuvm must be initialized with this function before use.
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 702 *
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 703 * Note that @gpuvm must be cleared to 0 before calling this function. The given
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 704 * &name is expected to be managed by the surrounding driver structures.
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 705 */
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 706 void
52ef25512ca721 drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 707 drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_device *drm,
790facc6dac6ef drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 708 const char *name, enum drm_gpuva_flags flags,
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 709 u64 start_offset, u64 range,
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 710 u64 reserve_offset, u64 reserve_range,
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 711 const struct drm_gpuvm_ops *ops)
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 @712 {
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 713 gpuvm->rb.tree = RB_ROOT_CACHED;
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 714 INIT_LIST_HEAD(&gpuvm->rb.list);
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 715
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 716 drm_gpuvm_check_overflow(start_offset, range);
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 717 gpuvm->mm_start = start_offset;
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 718 gpuvm->mm_range = range;
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 719
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 720 gpuvm->name = name ? name : "unknown";
790facc6dac6ef drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 721 gpuvm->flags = flags;
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 722 gpuvm->ops = ops;
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 723
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 724 memset(&gpuvm->kernel_alloc_node, 0, sizeof(struct drm_gpuva));
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 725
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 726 if (reserve_range) {
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 727 gpuvm->kernel_alloc_node.va.addr = reserve_offset;
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 728 gpuvm->kernel_alloc_node.va.range = reserve_range;
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 729
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 730 if (likely(!drm_gpuvm_check_overflow(reserve_offset,
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 731 reserve_range)))
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 732 __drm_gpuva_insert(gpuvm, &gpuvm->kernel_alloc_node);
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 733 }
52ef25512ca721 drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 734
52ef25512ca721 drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 735 drm_gem_private_object_init(drm, &gpuvm->d_obj, 0);
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 736 }
06f9274d201d5d drivers/gpu/drm/drm_gpuvm.c Danilo Krummrich 2023-09-20 737 EXPORT_SYMBOL_GPL(drm_gpuvm_init);
e6303f323b1ad9 drivers/gpu/drm/drm_gpuva_mgr.c Danilo Krummrich 2023-07-20 738
--
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