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Wed, 07 Jun 2023 20:19:40 +0000 Date: Thu, 8 Jun 2023 04:19:29 +0800 From: kernel test robot To: Danilo Krummrich , 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 Subject: Re: [PATCH drm-next v4 04/14] drm: debugfs: provide infrastructure to dump a DRM GPU VA space Message-ID: <202306080453.W2Dcrevr-lkp@intel.com> References: <20230606223130.6132-5-dakr@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230606223130.6132-5-dakr@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org 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: i386-randconfig-s001-20230607 (https://download.01.org/0day-ci/archive/20230608/202306080453.W2Dcrevr-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/513e00e3cf4889b115cd8ab122b8e51adf2805ab 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-v4/20230607-063442 git checkout 513e00e3cf4889b115cd8ab122b8e51adf2805ab # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202306080453.W2Dcrevr-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/drm_debugfs.c:213:33: sparse: sparse: non size-preserving pointer to integer cast 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