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

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Hi Danilo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 0b45ac1170ea6416bc1d36798414c04870cd356d]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230118-141552
base:   0b45ac1170ea6416bc1d36798414c04870cd356d
patch link:    https://lore.kernel.org/r/20230118061256.2689-5-dakr%40redhat.com
patch subject: [PATCH drm-next 04/14] drm: debugfs: provide infrastructure to dump a DRM GPU VA space
config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20230118/202301182112.RFiF6tDh-lkp@xxxxxxxxx/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/e00f79934034ce7eb4e7fc0d722a3d28d75d44bf
        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/20230118-141552
        git checkout e00f79934034ce7eb4e7fc0d722a3d28d75d44bf
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <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:228:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     228 |                            (u64)va->gem.obj, va->gem.offset);
         |                            ^


vim +228 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 regions and 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		struct drm_gpuva_region *reg;
   195		struct drm_gpuva *va;
   196	
   197		if (!mgr->name)
   198			return -ENODEV;
   199	
   200		seq_printf(m, "DRM GPU VA space (%s)\n", mgr->name);
   201		seq_puts  (m, "\n");
   202		seq_puts  (m, " VA regions  | start              | range              | end                | sparse\n");
   203		seq_puts  (m, "------------------------------------------------------------------------------------\n");
   204		seq_printf(m, " VA space    | 0x%016llx | 0x%016llx | 0x%016llx |   -\n",
   205			   mgr->mm_start, mgr->mm_range, mgr->mm_start + mgr->mm_range);
   206		seq_puts  (m, "-----------------------------------------------------------------------------------\n");
   207		drm_gpuva_for_each_region(reg, mgr) {
   208			struct drm_mm_node *node = &reg->node;
   209	
   210			if (node == &mgr->kernel_alloc_node) {
   211				seq_printf(m, " kernel node | 0x%016llx | 0x%016llx | 0x%016llx |   -\n",
   212					   node->start, node->size, node->start + node->size);
   213				continue;
   214			}
   215	
   216			seq_printf(m, "             | 0x%016llx | 0x%016llx | 0x%016llx | %s\n",
   217				   node->start, node->size, node->start + node->size,
   218				   reg->sparse ? "true" : "false");
   219		}
   220		seq_puts(m, "\n");
   221		seq_puts(m, " VAs | start              | range              | end                | object             | object offset\n");
   222		seq_puts(m, "-------------------------------------------------------------------------------------------------------------\n");
   223		drm_gpuva_for_each_va(va, mgr) {
   224			struct drm_mm_node *node = &va->node;
   225	
   226			seq_printf(m, "     | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx\n",
   227				   node->start, node->size, node->start + node->size,
 > 228				   (u64)va->gem.obj, va->gem.offset);
   229		}
   230	
   231		return 0;
   232	}
   233	EXPORT_SYMBOL(drm_debugfs_gpuva_info);
   234	

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



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