Re: [PATCH drm-misc-next v4 6/8] drm/gpuvm: add drm_gpuvm_flags to drm_gpuvm

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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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309210041.Ypce0gUk-lkp@xxxxxxxxx/

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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