Hi Brandon, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on next-20230824] [cannot apply to linus/master v6.5-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Brandon-Pollack/drm-vkms-Back-VKMS-with-DRM-memory-management-instead-of-static-objects/20230824-164550 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230824084350.1062579-6-brpol%40chromium.org patch subject: [PATCH v4 5/7] drm/vkms: Support enabling ConfigFS devices config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230824/202308241907.YtPY7t8j-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230824/202308241907.YtPY7t8j-lkp@xxxxxxxxx/reproduce) 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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308241907.YtPY7t8j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/vkms/vkms_output.c:178: warning: Function parameter or member 'vkmsdev' not described in 'validate_vkms_configfs_no_dangling_objects' vim +178 drivers/gpu/drm/vkms/vkms_output.c 166 167 /** 168 * validate_vkms_configfs_no_dangling_objects - warn on unused objects in vkms configfs. 169 * 170 * This gives slightly more visible warning messaging to the user before the drm 171 * system finds the configuration invalid and prints it's debug information. In 172 * this case the user may have accidentally not included some links, or the user 173 * could be testing this faulty configuration. 174 * 175 */ 176 static void 177 validate_vkms_configfs_no_dangling_objects(struct vkms_device *vkmsdev) > 178 { 179 struct vkms_configfs *configfs = vkmsdev->configfs; 180 struct config_item *item; 181 182 // 1. Planes 183 list_for_each_entry(item, &configfs->planes_group.cg_children, 184 ci_entry) { 185 struct vkms_config_plane *config_plane = 186 item_to_config_plane(item); 187 if (config_plane->possible_crtcs.linked_object_bitmap == 0) 188 DRM_WARN( 189 "Vkms configfs created plane %s has no linked crtcs", 190 item->ci_name); 191 } 192 193 // 2. connectors 194 list_for_each_entry(item, &configfs->connectors_group.cg_children, 195 ci_entry) { 196 struct vkms_config_connector *config_connector = 197 item_to_config_connector(item); 198 if (config_connector->possible_encoders.linked_object_bitmap == 199 0) { 200 DRM_WARN( 201 "Vkms configfs created connector %s has no linked encoders", 202 item->ci_name); 203 } 204 } 205 206 // 3. encoders 207 list_for_each_entry(item, &configfs->encoders_group.cg_children, 208 ci_entry) { 209 struct vkms_config_encoder *config_encoder = 210 item_to_config_encoder(item); 211 if (config_encoder->possible_crtcs.linked_object_bitmap == 0) { 212 DRM_WARN( 213 "Vkms configfs created encoder %s has no linked crtcs", 214 item->ci_name); 215 } 216 } 217 218 // 4. crtcs only require a primary plane to function, this is checked during 219 // output initialization and returns an error. 220 } 221 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
