tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   1b5044021070efa3259f3e9548dc35d1eb6aa844
commit: 6698a3d05fda57f37add68c55a0696bfa7100413 drm/amdgpu: add mcbp unit test 
in debugfs (v3)
date:   12 months ago
config: riscv-randconfig-s032-20200618 (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-rc1-10-gc17b1b06-dirty
        git checkout 6698a3d05fda57f37add68c55a0696bfa7100413
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=riscv CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)

   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:163:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:163:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:163:29: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:163:29: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:163:29: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:165:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:165:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:165:29: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int const [noderef] <asn:1> *__p @@     got unsigned int [usertype] * 
@@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:165:29: sparse:     expected 
unsigned int const [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:165:29: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:240:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:240:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:240:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:240:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:240:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:278:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:278:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:278:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int const [noderef] <asn:1> *__p @@     got unsigned int [usertype] * 
@@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:278:21: sparse:     expected 
unsigned int const [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:278:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:319:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:319:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:319:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:319:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:319:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:357:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:357:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:357:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int const [noderef] <asn:1> *__p @@     got unsigned int [usertype] * 
@@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:357:21: sparse:     expected 
unsigned int const [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:357:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:398:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:398:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:398:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:398:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:398:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:436:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:436:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:436:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int const [noderef] <asn:1> *__p @@     got unsigned int [usertype] * 
@@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:436:21: sparse:     expected 
unsigned int const [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:436:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:525:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:525:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:525:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:525:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:525:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:582:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:582:29: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:582:29: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected signed 
int [noderef] <asn:1> *__p @@     got signed int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:582:29: sparse:     expected 
signed int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:582:29: sparse:     got signed 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:650:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:729:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:729:21: sparse: sparse: cast 
removes address space '<asn:1>' of expression
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:729:21: sparse: sparse: 
incorrect type in initializer (different address spaces) @@     expected 
unsigned int [noderef] <asn:1> *__p @@     got unsigned int [usertype] * @@
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:729:21: sparse:     expected 
unsigned int [noderef] <asn:1> *__p
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:729:21: sparse:     got unsigned 
int [usertype] *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:942:25: sparse: sparse: 
incompatible types in comparison expression (different address spaces):
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:942:25: sparse:    struct 
dma_fence [noderef] <asn:4> *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:942:25: sparse:    struct 
dma_fence *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:943:17: sparse: sparse: 
incompatible types in comparison expression (different address spaces):
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:943:17: sparse:    struct 
dma_fence [noderef] <asn:4> *
   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:943:17: sparse:    struct 
dma_fence *
>> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:999:32: sparse: sparse: cast to 
>> restricted __le32

vim +999 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c

   980  
   981  static int amdgpu_debugfs_ib_preempt(void *data, u64 val)
   982  {
   983          int r, resched, length;
   984          struct amdgpu_ring *ring;
   985          struct drm_sched_job *s_job;
   986          struct amdgpu_job *job;
   987          struct dma_fence **fences = NULL;
   988          struct amdgpu_device *adev = (struct amdgpu_device *)data;
   989  
   990          if (val >= AMDGPU_MAX_RINGS)
   991                  return -EINVAL;
   992  
   993          ring = adev->rings[val];
   994  
   995          if (!ring || !ring->funcs->preempt_ib || !ring->sched.thread)
   996                  return -EINVAL;
   997  
   998          /* the last preemption failed */
 > 999          if (ring->trail_seq != le32_to_cpu(*ring->trail_fence_cpu_addr))
  1000                  return -EBUSY;
  1001  
  1002          length = ring->fence_drv.num_fences_mask + 1;
  1003          fences = kcalloc(length, sizeof(void *), GFP_KERNEL);
  1004          if (!fences)
  1005                  return -ENOMEM;
  1006  
  1007          /* stop the scheduler */
  1008          kthread_park(ring->sched.thread);
  1009  
  1010          resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
  1011  
  1012          /* preempt the IB */
  1013          r = amdgpu_ring_preempt_ib(ring);
  1014          if (r) {
  1015                  DRM_WARN("failed to preempt ring %d\n", ring->idx);
  1016                  goto failure;
  1017          }
  1018  
  1019          amdgpu_fence_process(ring);
  1020  
  1021          if (atomic_read(&ring->fence_drv.last_seq) !=
  1022              ring->fence_drv.sync_seq) {
  1023                  DRM_INFO("ring %d was preempted\n", ring->idx);
  1024  
  1025                  /* swap out the old fences */
  1026                  amdgpu_ib_preempt_fences_swap(ring, fences);
  1027  
  1028                  amdgpu_fence_driver_force_completion(ring);
  1029  
  1030                  s_job = list_first_entry_or_null(
  1031                          &ring->sched.ring_mirror_list,
  1032                          struct drm_sched_job, node);
  1033                  if (s_job) {
  1034                          job = to_amdgpu_job(s_job);
  1035                          /* mark the job as preempted */
  1036                          /* job->preemption_status |=
  1037                             AMDGPU_IB_PREEMPTED; */
  1038                  }
  1039  
  1040                  /* resubmit unfinished jobs */
  1041                  amdgpu_ib_preempt_job_recovery(&ring->sched);
  1042  
  1043                  /* wait for jobs finished */
  1044                  amdgpu_fence_wait_empty(ring);
  1045  
  1046                  /* signal the old fences */
  1047                  amdgpu_ib_preempt_signal_fences(fences, length);
  1048          }
  1049  
  1050  failure:
  1051          /* restart the scheduler */
  1052          kthread_unpark(ring->sched.thread);
  1053  
  1054          ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
  1055  
  1056          if (fences)
  1057                  kfree(fences);
  1058  
  1059          return 0;
  1060  }
  1061  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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