[PATCH drm-misc-next v2 2/7] drm/gpuvm: rename struct drm_gpuva_manager to struct drm_gpuvm

kernel test robot lkp at intel.com
Thu Sep 7 08:51:37 UTC 2023


Hi Danilo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 6bd3d8da51ca1ec97c724016466606aec7739b9f]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-gpuva_mgr-allow-building-as-module/20230907-054931
base:   6bd3d8da51ca1ec97c724016466606aec7739b9f
patch link:    https://lore.kernel.org/r/20230906214723.4393-3-dakr%40redhat.com
patch subject: [PATCH drm-misc-next v2 2/7] drm/gpuvm: rename struct drm_gpuva_manager to struct drm_gpuvm
reproduce: (https://download.01.org/0day-ci/archive/20230907/202309071613.s6ztMEyU-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309071613.s6ztMEyU-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> ./include/drm/drm_gpuva_mgr.h:138: warning: Function parameter or member 'vm' not described in 'drm_gpuva'

vim +138 ./include/drm/drm_gpuva_mgr.h

e6303f323b1ad9 Danilo Krummrich 2023-07-20   60  
e6303f323b1ad9 Danilo Krummrich 2023-07-20   61  /**
e6303f323b1ad9 Danilo Krummrich 2023-07-20   62   * struct drm_gpuva - structure to track a GPU VA mapping
e6303f323b1ad9 Danilo Krummrich 2023-07-20   63   *
e6303f323b1ad9 Danilo Krummrich 2023-07-20   64   * This structure represents a GPU VA mapping and is associated with a
3142f8b7e68331 Danilo Krummrich 2023-09-06   65   * &drm_gpuvm.
e6303f323b1ad9 Danilo Krummrich 2023-07-20   66   *
e6303f323b1ad9 Danilo Krummrich 2023-07-20   67   * Typically, this structure is embedded in bigger driver structures.
e6303f323b1ad9 Danilo Krummrich 2023-07-20   68   */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   69  struct drm_gpuva {
e6303f323b1ad9 Danilo Krummrich 2023-07-20   70  	/**
3142f8b7e68331 Danilo Krummrich 2023-09-06   71  	 * @gpuvm: the &drm_gpuvm this object is associated with
e6303f323b1ad9 Danilo Krummrich 2023-07-20   72  	 */
3142f8b7e68331 Danilo Krummrich 2023-09-06   73  	struct drm_gpuvm *vm;
e6303f323b1ad9 Danilo Krummrich 2023-07-20   74  
e6303f323b1ad9 Danilo Krummrich 2023-07-20   75  	/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20   76  	 * @flags: the &drm_gpuva_flags for this mapping
e6303f323b1ad9 Danilo Krummrich 2023-07-20   77  	 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   78  	enum drm_gpuva_flags flags;
e6303f323b1ad9 Danilo Krummrich 2023-07-20   79  
e6303f323b1ad9 Danilo Krummrich 2023-07-20   80  	/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20   81  	 * @va: structure containing the address and range of the &drm_gpuva
e6303f323b1ad9 Danilo Krummrich 2023-07-20   82  	 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   83  	struct {
e6303f323b1ad9 Danilo Krummrich 2023-07-20   84  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20   85  		 * @addr: the start address
e6303f323b1ad9 Danilo Krummrich 2023-07-20   86  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   87  		u64 addr;
e6303f323b1ad9 Danilo Krummrich 2023-07-20   88  
e6303f323b1ad9 Danilo Krummrich 2023-07-20   89  		/*
e6303f323b1ad9 Danilo Krummrich 2023-07-20   90  		 * @range: the range
e6303f323b1ad9 Danilo Krummrich 2023-07-20   91  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   92  		u64 range;
e6303f323b1ad9 Danilo Krummrich 2023-07-20   93  	} va;
e6303f323b1ad9 Danilo Krummrich 2023-07-20   94  
e6303f323b1ad9 Danilo Krummrich 2023-07-20   95  	/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20   96  	 * @gem: structure containing the &drm_gem_object and it's offset
e6303f323b1ad9 Danilo Krummrich 2023-07-20   97  	 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20   98  	struct {
e6303f323b1ad9 Danilo Krummrich 2023-07-20   99  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  100  		 * @offset: the offset within the &drm_gem_object
e6303f323b1ad9 Danilo Krummrich 2023-07-20  101  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  102  		u64 offset;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  103  
e6303f323b1ad9 Danilo Krummrich 2023-07-20  104  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  105  		 * @obj: the mapped &drm_gem_object
e6303f323b1ad9 Danilo Krummrich 2023-07-20  106  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  107  		struct drm_gem_object *obj;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  108  
e6303f323b1ad9 Danilo Krummrich 2023-07-20  109  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  110  		 * @entry: the &list_head to attach this object to a &drm_gem_object
e6303f323b1ad9 Danilo Krummrich 2023-07-20  111  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  112  		struct list_head entry;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  113  	} gem;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  114  
e6303f323b1ad9 Danilo Krummrich 2023-07-20  115  	/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  116  	 * @rb: structure containing data to store &drm_gpuvas in a rb-tree
e6303f323b1ad9 Danilo Krummrich 2023-07-20  117  	 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  118  	struct {
e6303f323b1ad9 Danilo Krummrich 2023-07-20  119  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  120  		 * @rb: the rb-tree node
e6303f323b1ad9 Danilo Krummrich 2023-07-20  121  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  122  		struct rb_node node;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  123  
e6303f323b1ad9 Danilo Krummrich 2023-07-20  124  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  125  		 * @entry: The &list_head to additionally connect &drm_gpuvas
e6303f323b1ad9 Danilo Krummrich 2023-07-20  126  		 * in the same order they appear in the interval tree. This is
e6303f323b1ad9 Danilo Krummrich 2023-07-20  127  		 * useful to keep iterating &drm_gpuvas from a start node found
e6303f323b1ad9 Danilo Krummrich 2023-07-20  128  		 * through the rb-tree while doing modifications on the rb-tree
e6303f323b1ad9 Danilo Krummrich 2023-07-20  129  		 * itself.
e6303f323b1ad9 Danilo Krummrich 2023-07-20  130  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  131  		struct list_head entry;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  132  
e6303f323b1ad9 Danilo Krummrich 2023-07-20  133  		/**
e6303f323b1ad9 Danilo Krummrich 2023-07-20  134  		 * @__subtree_last: needed by the interval tree, holding last-in-subtree
e6303f323b1ad9 Danilo Krummrich 2023-07-20  135  		 */
e6303f323b1ad9 Danilo Krummrich 2023-07-20  136  		u64 __subtree_last;
e6303f323b1ad9 Danilo Krummrich 2023-07-20  137  	} rb;
e6303f323b1ad9 Danilo Krummrich 2023-07-20 @138  };
e6303f323b1ad9 Danilo Krummrich 2023-07-20  139  

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