tree:   git://people.freedesktop.org/~agd5f/linux.git amd-20.45
head:   a3950d94b046fb206e58fd3ec717f071c0203ba3
commit: e1357d7a01b8b3bf23e71415eb7ca101902ee6b4 [2016/2427] drm/amdkcl: fake 
drm_gem_fb_get_obj & kcl_drm_gem_fb_set_obj
config: arc-randconfig-s031-20201214 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git
        git fetch --no-tags radeon-alex amd-20.45
        git checkout e1357d7a01b8b3bf23e71415eb7ca101902ee6b4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>


"sparse warnings: (new ones prefixed by >>)"
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:797:25: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:801:23: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:802:23: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:805:30: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:808:28: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1192:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1197:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1197:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1197:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1199:36: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1276:25: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1276:25: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1276:25: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1282:37: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1308:41: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1310:39: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1314:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1315:17: sparse: 
sparse: cast to restricted __le32
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1318:17: sparse: 
sparse: cast to restricted __le32
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
>> sparse: incorrect type in argument 1 (different modifiers) @@     expected 
>> struct drm_framebuffer *fb @@     got struct drm_framebuffer const * @@
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    expected struct drm_framebuffer *fb
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    got struct drm_framebuffer const *
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
>> sparse: incorrect type in argument 1 (different modifiers) @@     expected 
>> struct drm_framebuffer *fb @@     got struct drm_framebuffer const * @@
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    expected struct drm_framebuffer *fb
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    got struct drm_framebuffer const *
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
>> sparse: incorrect type in argument 1 (different modifiers) @@     expected 
>> struct drm_framebuffer *fb @@     got struct drm_framebuffer const * @@
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    expected struct drm_framebuffer *fb
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:33: sparse: 
    got struct drm_framebuffer const *

vim +3987 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c

  3983  
  3984  static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
  3985                         uint64_t *tiling_flags, bool *tmz_surface)
  3986  {
> 3987          struct amdgpu_bo *rbo = 
> gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
  3988          int r = amdgpu_bo_reserve(rbo, false);
  3989  
  3990          if (unlikely(r)) {
  3991                  /* Don't show error message when returning -ERESTARTSYS 
*/
  3992                  if (r != -ERESTARTSYS)
  3993                          DRM_ERROR("Unable to reserve buffer: %d\n", r);
  3994                  return r;
  3995          }
  3996  
  3997          if (tiling_flags)
  3998                  amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
  3999  
  4000          if (tmz_surface)
  4001                  *tmz_surface = amdgpu_bo_encrypted(rbo);
  4002  
  4003          amdgpu_bo_unreserve(rbo);
  4004  
  4005          return r;
  4006  }
  4007  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org

Attachment: .config.gz
Description: application/gzip

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