Re: [PATCH drm-next v4 09/14] drm/nouveau: fence: separate fence alloc and emit

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

Hi Danilo,

kernel test robot noticed the following build errors:

[auto build test ERROR on 33a86170888b7e4aa0cea94ebb9c67180139cea9]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers-v4/20230607-063442
base:   33a86170888b7e4aa0cea94ebb9c67180139cea9
patch link:    https://lore.kernel.org/r/20230606223130.6132-10-dakr%40redhat.com
patch subject: [PATCH drm-next v4 09/14] drm/nouveau: fence: separate fence alloc and emit
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230607/202306072327.BHC88W12-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
        git checkout 33a86170888b7e4aa0cea94ebb9c67180139cea9
        b4 shazam https://lore.kernel.org/r/20230606223130.6132-10-dakr@redhat.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/

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/202306072327.BHC88W12-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/nouveau/nouveau_dmem.c: In function 'nouveau_dmem_migrate_chunk':
>> drivers/gpu/drm/nouveau/nouveau_dmem.c:681:43: error: 'chunk' undeclared (first use in this function)
     681 |                 nouveau_fence_emit(fence, chunk->drm->dmem->migrate.chan);
         |                                           ^~~~~
   drivers/gpu/drm/nouveau/nouveau_dmem.c:681:43: note: each undeclared identifier is reported only once for each function it appears in


vim +/chunk +681 drivers/gpu/drm/nouveau/nouveau_dmem.c

   664	
   665	static void nouveau_dmem_migrate_chunk(struct nouveau_drm *drm,
   666			struct nouveau_svmm *svmm, struct migrate_vma *args,
   667			dma_addr_t *dma_addrs, u64 *pfns)
   668	{
   669		struct nouveau_fence *fence;
   670		unsigned long addr = args->start, nr_dma = 0, i;
   671	
   672		for (i = 0; addr < args->end; i++) {
   673			args->dst[i] = nouveau_dmem_migrate_copy_one(drm, svmm,
   674					args->src[i], dma_addrs + nr_dma, pfns + i);
   675			if (!dma_mapping_error(drm->dev->dev, dma_addrs[nr_dma]))
   676				nr_dma++;
   677			addr += PAGE_SIZE;
   678		}
   679	
   680		if (!nouveau_fence_new(&fence))
 > 681			nouveau_fence_emit(fence, chunk->drm->dmem->migrate.chan);
   682		migrate_vma_pages(args);
   683		nouveau_dmem_fence_done(&fence);
   684		nouveau_pfns_map(svmm, args->vma->vm_mm, args->start, pfns, i);
   685	
   686		while (nr_dma--) {
   687			dma_unmap_page(drm->dev->dev, dma_addrs[nr_dma], PAGE_SIZE,
   688					DMA_BIDIRECTIONAL);
   689		}
   690		migrate_vma_finalize(args);
   691	}
   692	

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