Re: [PATCH v5 1/2] drm/panthor: Expose size of driver internal BO's over fdinfo

[kernel test robot <lkp@intel.com>]

Hi Adrián,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 6a8d72b80807ad45229c0f5a17e3be843b15a703]

url:    https://github.com/intel-lab-lkp/linux/commits/Adri-n-Mart-nez-Larumbe/drm-panthor-Expose-size-of-driver-internal-BO-s-over-fdinfo/20241219-022128
base:   6a8d72b80807ad45229c0f5a17e3be843b15a703
patch link:    https://lore.kernel.org/r/20241218181844.886043-2-adrian.larumbe%40collabora.com
patch subject: [PATCH v5 1/2] drm/panthor: Expose size of driver internal BO's over fdinfo
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20241221/202412210405.NpsdRCQY-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241221/202412210405.NpsdRCQY-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412210405.NpsdRCQY-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Function parameter or struct member 'as' not described in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'slots_lock' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'alloc_mask' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'faulty_mask' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'slots' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'lru_list' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'lock' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'list' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'reset_in_progress' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:102: warning: Excess struct member 'wq' description in 'panthor_mmu'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'count' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'ptr' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'page' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'addr' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'range' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'vm_bo' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'bo_offset' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'sgt' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:217: warning: Excess struct member 'new_vma' description in 'panthor_vm_op_ctx'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'start' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'size' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'id' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'active_cnt' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'lru_node' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'pool' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:389: warning: Excess struct member 'lock' description in 'panthor_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:412: warning: Cannot understand  * @pt_cache: Cache used to allocate MMU page tables.
    on line 412 - I thought it was a doc line
   drivers/gpu/drm/panthor/panthor_mmu.c:481: warning: Cannot understand  * @free_pt() - Custom page table free function
    on line 481 - I thought it was a doc line
   drivers/gpu/drm/panthor/panthor_mmu.c:707: warning: Function parameter or struct member 'vm' not described in 'panthor_vm_active'
   drivers/gpu/drm/panthor/panthor_mmu.c:707: warning: Excess function parameter 'VM' description in 'panthor_vm_active'
   drivers/gpu/drm/panthor/panthor_mmu.c:816: warning: Function parameter or struct member 'vm' not described in 'panthor_vm_idle'
   drivers/gpu/drm/panthor/panthor_mmu.c:816: warning: Excess function parameter 'VM' description in 'panthor_vm_idle'
   drivers/gpu/drm/panthor/panthor_mmu.c:1037: warning: Function parameter or struct member 'vm' not described in 'panthor_vm_alloc_va'
   drivers/gpu/drm/panthor/panthor_mmu.c:1037: warning: Excess function parameter 'VM' description in 'panthor_vm_alloc_va'
   drivers/gpu/drm/panthor/panthor_mmu.c:1070: warning: Function parameter or struct member 'vm' not described in 'panthor_vm_free_va'
   drivers/gpu/drm/panthor/panthor_mmu.c:1070: warning: Excess function parameter 'VM' description in 'panthor_vm_free_va'
   drivers/gpu/drm/panthor/panthor_mmu.c:1504: warning: Function parameter or struct member 'ptdev' not described in 'panthor_vm_pool_create_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:1504: warning: Function parameter or struct member 'args' not described in 'panthor_vm_pool_create_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:1504: warning: Excess function parameter 'kernel_va_start' description in 'panthor_vm_pool_create_vm'
   drivers/gpu/drm/panthor/panthor_mmu.c:1504: warning: Excess function parameter 'kernel_va_range' description in 'panthor_vm_pool_create_vm'
>> drivers/gpu/drm/panthor/panthor_mmu.c:1954: warning: expecting prototype for panthor_vm_heaps_size(). Prototype was for panthor_vm_heaps_sizes() instead
--
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'runnable' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'idle' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'waiting' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'has_ref' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'in_progress' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:320: warning: Excess struct member 'stopped_groups' description in 'panthor_scheduler'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'mem' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'input' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'output' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'input_fw_va' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'output_fw_va' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'gpu_va' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'ref' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'gt' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'sync64' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'bo' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'offset' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'kmap' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'lock' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'id' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'seqno' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'last_fence' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'in_flight_jobs' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'slots' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'slot_count' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:492: warning: Excess struct member 'seqno' description in 'panthor_queue'
   drivers/gpu/drm/panthor/panthor_sched.c:701: warning: Excess struct member 'data' description in 'panthor_group'
   drivers/gpu/drm/panthor/panthor_sched.c:701: warning: Excess struct member 'lock' description in 'panthor_group'
>> drivers/gpu/drm/panthor/panthor_sched.c:701: warning: Excess struct member 'bo_sizes' description in 'panthor_group'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'start' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'size' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'latest_flush' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'start' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'end' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'mask' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:837: warning: Excess struct member 'slot' description in 'panthor_job'
   drivers/gpu/drm/panthor/panthor_sched.c:1766: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_fw_events'
   drivers/gpu/drm/panthor/panthor_sched.c:1766: warning: Function parameter or struct member 'events' not described in 'panthor_sched_report_fw_events'
   drivers/gpu/drm/panthor/panthor_sched.c:2659: warning: Function parameter or struct member 'ptdev' not described in 'panthor_sched_report_mmu_fault'


vim +1954 drivers/gpu/drm/panthor/panthor_mmu.c

  1943	
  1944	/**
  1945	 * panthor_vm_heaps_size() - Calculate size of all heap chunks across all
  1946	 * heaps over all the heap pools in a VM
  1947	 * @pfile: File.
  1948	 * @status: Memory status to be updated.
  1949	 *
  1950	 * Calculate all heap chunk sizes in all heap pools bound to a VM. If the VM
  1951	 * is active, record the size as active as well.
  1952	 */
  1953	void panthor_vm_heaps_sizes(struct panthor_file *pfile, struct drm_memory_stats *status)
> 1954	{
  1955		struct panthor_vm *vm;
  1956		unsigned long i;
  1957	
  1958		if (!pfile->vms)
  1959			return;
  1960	
  1961		xa_for_each(&pfile->vms->xa, i, vm) {
  1962			size_t size;
  1963	
  1964			mutex_lock(&vm->heaps.lock);
  1965			if (!vm->heaps.pool) {
  1966				mutex_unlock(&vm->heaps.lock);
  1967				continue;
  1968			}
  1969			size = panthor_heap_pool_size(vm->heaps.pool);
  1970			mutex_unlock(&vm->heaps.lock);
  1971	
  1972			status->resident += size;
  1973			status->private += size;
  1974			if (vm->as.id >= 0)
  1975				status->active += size;
  1976		}
  1977	}
  1978	

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