[radeon-alex:drm-next-4.14-wip 39/44] drivers/gpu/drm/radeon/radeon_ttm.c:763:2: error: implicit declaration of function 'ttm_populate_and_map_pages'

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next-4.14-wip
head:   9f7373596843431b63965965f1059d39600db3a2
commit: 217dcd53c963af2bbbb8d04c357aed922f1faa20 [39/44] drm/radeon: use new TTM populate/dma map helper functions
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 217dcd53c963af2bbbb8d04c357aed922f1faa20
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_populate':
>> drivers/gpu/drm/radeon/radeon_ttm.c:763:2: error: implicit declaration of function 'ttm_populate_and_map_pages' [-Werror=implicit-function-declaration]
     return ttm_populate_and_map_pages(rdev->dev, &gtt->ttm);
     ^
   drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_unpopulate':
>> drivers/gpu/drm/radeon/radeon_ttm.c:796:2: error: implicit declaration of function 'ttm_unmap_and_unpopulate_pages' [-Werror=implicit-function-declaration]
     ttm_unmap_and_unpopulate_pages(rdev->dev, &gtt->ttm);
     ^
   cc1: some warnings being treated as errors

vim +/ttm_populate_and_map_pages +763 drivers/gpu/drm/radeon/radeon_ttm.c

   762	
 > 763		return ttm_populate_and_map_pages(rdev->dev, &gtt->ttm);
   764	}
   765	
   766	static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm)
   767	{
   768		struct radeon_device *rdev;
   769		struct radeon_ttm_tt *gtt = radeon_ttm_tt_to_gtt(ttm);
   770		bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
   771	
   772		if (gtt && gtt->userptr) {
   773			kfree(ttm->sg);
   774			ttm->page_flags &= ~TTM_PAGE_FLAG_SG;
   775			return;
   776		}
   777	
   778		if (slave)
   779			return;
   780	
   781		rdev = radeon_get_rdev(ttm->bdev);
   782	#if IS_ENABLED(CONFIG_AGP)
   783		if (rdev->flags & RADEON_IS_AGP) {
   784			ttm_agp_tt_unpopulate(ttm);
   785			return;
   786		}
   787	#endif
   788	
   789	#ifdef CONFIG_SWIOTLB
   790		if (swiotlb_nr_tbl()) {
   791			ttm_dma_unpopulate(&gtt->ttm, rdev->dev);
   792			return;
   793		}
   794	#endif
   795	
 > 796		ttm_unmap_and_unpopulate_pages(rdev->dev, &gtt->ttm);
   797	}
   798	

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

Attachment: .config.gz
Description: application/gzip

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