Re: [PATCH drm-next v4 04/14] drm: debugfs: provide infrastructure to dump a DRM GPU VA space

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Hi Danilo,

kernel test robot noticed the following build warnings:

[auto build test WARNING 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/20230606223130.6132-5-dakr%40redhat.com
patch subject: [PATCH drm-next v4 04/14] drm: debugfs: provide infrastructure to dump a DRM GPU VA space
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230607/202306070751.26WX3ive-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 33a86170888b7e4aa0cea94ebb9c67180139cea9
        b4 shazam https://lore.kernel.org/r/20230606223130.6132-5-dakr@xxxxxxxxxx
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306070751.26WX3ive-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/drm_debugfs.c: In function 'drm_debugfs_gpuva_info':
>> drivers/gpu/drm/drm_debugfs.c:213:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     213 |                            (u64)va->gem.obj, va->gem.offset);
         |                            ^


vim +213 drivers/gpu/drm/drm_debugfs.c

   178	
   179	/**
   180	 * drm_debugfs_gpuva_info - dump the given DRM GPU VA space
   181	 * @m: pointer to the &seq_file to write
   182	 * @mgr: the &drm_gpuva_manager representing the GPU VA space
   183	 *
   184	 * Dumps the GPU VA mappings of a given DRM GPU VA manager.
   185	 *
   186	 * For each DRM GPU VA space drivers should call this function from their
   187	 * &drm_info_list's show callback.
   188	 *
   189	 * Returns: 0 on success, -ENODEV if the &mgr is not initialized
   190	 */
   191	int drm_debugfs_gpuva_info(struct seq_file *m,
   192				   struct drm_gpuva_manager *mgr)
   193	{
   194		DRM_GPUVA_ITER(it, mgr, 0);
   195		struct drm_gpuva *va, *kva = &mgr->kernel_alloc_node;
   196	
   197		if (!mgr->name)
   198			return -ENODEV;
   199	
   200		seq_printf(m, "DRM GPU VA space (%s) [0x%016llx;0x%016llx]\n",
   201			   mgr->name, mgr->mm_start, mgr->mm_start + mgr->mm_range);
   202		seq_printf(m, "Kernel reserved node [0x%016llx;0x%016llx]\n",
   203			   kva->va.addr, kva->va.addr + kva->va.range);
   204		seq_puts(m, "\n");
   205		seq_puts(m, " VAs | start              | range              | end                | object             | object offset\n");
   206		seq_puts(m, "-------------------------------------------------------------------------------------------------------------\n");
   207		drm_gpuva_iter_for_each(va, it) {
   208			if (unlikely(va == &mgr->kernel_alloc_node))
   209				continue;
   210	
   211			seq_printf(m, "     | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx\n",
   212				   va->va.addr, va->va.range, va->va.addr + va->va.range,
 > 213				   (u64)va->gem.obj, va->gem.offset);
   214		}
   215	
   216		return 0;
   217	}
   218	EXPORT_SYMBOL(drm_debugfs_gpuva_info);
   219	

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



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