Re: [PATCH drm-next v2 06/16] drm: debugfs: provide infrastructure to dump a DRM GPU VA space

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

Hi Danilo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on 48075a66fca613477ac1969b576a93ef5db0164f]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-execution-context-for-GEM-buffers/20230217-215101
base:   48075a66fca613477ac1969b576a93ef5db0164f
patch link:    https://lore.kernel.org/r/20230217134820.14672-1-dakr%40redhat.com
patch subject: [PATCH drm-next v2 06/16] drm: debugfs: provide infrastructure to dump a DRM GPU VA space
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230218/202302181014.L0SHo3S1-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/e1a1c9659baee305780e1ce50c05e53e1d14b245
        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/20230217-215101
        git checkout e1a1c9659baee305780e1ce50c05e53e1d14b245
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips 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/202302181014.L0SHo3S1-lkp@intel.com/

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		DRM_GPUVA_ITER(it, mgr);
   195		DRM_GPUVA_REGION_ITER(__it, mgr);
   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_iter_for_each(__it) {
   208			struct drm_gpuva_region *reg = __it.reg;
   209	
   210			if (reg == &mgr->kernel_alloc_region) {
   211				seq_printf(m, " kernel node | 0x%016llx | 0x%016llx | 0x%016llx |   -\n",
   212					   reg->va.addr, reg->va.range, reg->va.addr + reg->va.range);
   213				continue;
   214			}
   215	
   216			seq_printf(m, "             | 0x%016llx | 0x%016llx | 0x%016llx | %s\n",
   217				   reg->va.addr, reg->va.range, reg->va.addr + reg->va.range,
   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_iter_for_each(it) {
   224			struct drm_gpuva *va = it.va;
   225	
   226			seq_printf(m, "     | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx | 0x%016llx\n",
   227				   va->va.addr, va->va.range, va->va.addr + va->va.range,
 > 228				   (u64)va->gem.obj, va->gem.offset);
   229		}
   230	
   231		return 0;
   232	}
   233	EXPORT_SYMBOL(drm_debugfs_gpuva_info);
   234	

-- 
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https://github.com/intel/lkp-tests