[radeon-alex:drm-next-4.14-wip 38/44] drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:950:6: error: implicit declaration of function 'ttm_populate_and_map_pages'

[kbuild test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next-4.14-wip
head:   9f7373596843431b63965965f1059d39600db3a2
commit: d47a6c4783b8461b6c6d24b53ce35b7a3dfa92a1 [38/44] drm/amd/amdgpu: Use 
new TTM populate/map helper function
config: i386-randconfig-a1-08231053 (attached as .config)
compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904
reproduce:
        git checkout d47a6c4783b8461b6c6d24b53ce35b7a3dfa92a1
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c: In function 
'amdgpu_ttm_tt_populate':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:950:6: error: implicit declaration 
>> of function 'ttm_populate_and_map_pages' 
>> [-Werror=implicit-function-declaration]
     r = ttm_populate_and_map_pages(adev->dev, &gtt->ttm);
         ^
   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c: In function 
'amdgpu_ttm_tt_unpopulate':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:983:2: error: implicit declaration 
>> of function 'ttm_unmap_and_unpopulate_pages' 
>> [-Werror=implicit-function-declaration]
     ttm_unmap_and_unpopulate_pages(adev->dev, &gtt->ttm);
     ^
   cc1: some warnings being treated as errors

vim +/ttm_populate_and_map_pages +950 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

   949  
 > 950          r = ttm_populate_and_map_pages(adev->dev, &gtt->ttm);
   951  trace_mappings:
   952          if (likely(!r))
   953                  amdgpu_trace_dma_map(ttm);
   954          return r;
   955  }
   956  
   957  static void amdgpu_ttm_tt_unpopulate(struct ttm_tt *ttm)
   958  {
   959          struct amdgpu_device *adev;
   960          struct amdgpu_ttm_tt *gtt = (void *)ttm;
   961          bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
   962  
   963          if (gtt && gtt->userptr) {
   964                  kfree(ttm->sg);
   965                  ttm->page_flags &= ~TTM_PAGE_FLAG_SG;
   966                  return;
   967          }
   968  
   969          if (slave)
   970                  return;
   971  
   972          adev = amdgpu_ttm_adev(ttm->bdev);
   973  
   974          amdgpu_trace_dma_unmap(ttm);
   975  
   976  #ifdef CONFIG_SWIOTLB
   977          if (swiotlb_nr_tbl()) {
   978                  ttm_dma_unpopulate(&gtt->ttm, adev->dev);
   979                  return;
   980          }
   981  #endif
   982  
 > 983          ttm_unmap_and_unpopulate_pages(adev->dev, &gtt->ttm);
   984  }
   985  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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