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Date:   Tue, 4 Apr 2023 15:55:45 +0800
From:   kernel test robot <lkp@intel.com>
To:     Danilo Krummrich <dakr@redhat.com>, airlied@gmail.com,
        daniel@ffwll.ch, tzimmermann@suse.de, mripard@kernel.org,
        corbet@lwn.net, christian.koenig@amd.com, bskeggs@redhat.com,
        Liam.Howlett@oracle.com, matthew.brost@intel.com,
        boris.brezillon@collabora.com, alexdeucher@gmail.com,
        ogabbay@kernel.org, bagasdotme@gmail.com, willy@infradead.org,
        jason@jlekstrand.net
Cc:     oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org,
        nouveau@lists.freedesktop.org, linux-doc@vger.kernel.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Danilo Krummrich <dakr@redhat.com>
Subject: Re: [PATCH drm-next v3 10/15] drm/nouveau: fence: separate fence
 alloc and emit
Message-ID: <202304041506.TkTUebRU-lkp@intel.com>
References: <20230404012741.116502-11-dakr@redhat.com>
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In-Reply-To: <20230404012741.116502-11-dakr@redhat.com>
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Hi Danilo,

kernel test robot noticed the following build errors:

[auto build test ERROR on d36d68fd1925d33066d52468b7c7c6aca6521248]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers-v3/20230404-093042
base:   d36d68fd1925d33066d52468b7c7c6aca6521248
patch link:    https://lore.kernel.org/r/20230404012741.116502-11-dakr%40redhat.com
patch subject: [PATCH drm-next v3 10/15] drm/nouveau: fence: separate fence alloc and emit
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230404/202304041506.TkTUebRU-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/7fc592f2771fec5cc29fbbfbb9a2b524e02a0e93
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Danilo-Krummrich/drm-execution-context-for-GEM-buffers-v3/20230404-093042
        git checkout 7fc592f2771fec5cc29fbbfbb9a2b524e02a0e93
        # 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, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304041506.TkTUebRU-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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests