Hi Linus, I love your patch! Perhaps something to improve: [auto build test WARNING on tegra-drm/drm/tegra/for-next] [also build test WARNING on v4.18-rc1 next-20180621] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Linus-Walleij/drm-panel-Augment-the-TPO-TPG110-bindings/20180622-025655 base: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=ia64 All warnings (new ones prefixed by >>): drivers/gpu/drm/panel/panel-tpo-tpg110.c: In function 'tpg110_get_modes': >> drivers/gpu/drm/panel/panel-tpo-tpg110.c:420:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] strncpy(connector->display_info.name, tpg->panel_mode->name, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ DRM_DISPLAY_INFO_LEN); ~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +420 drivers/gpu/drm/panel/panel-tpo-tpg110.c 405 406 /** 407 * tpg110_get_modes() - return the appropriate mode 408 * @panel: the panel to get the mode for 409 * 410 * This currently does not present a forest of modes, instead it 411 * presents the mode that is configured for the system under use, 412 * and which is detected by reading the registers of the display. 413 */ 414 static int tpg110_get_modes(struct drm_panel *panel) 415 { 416 struct drm_connector *connector = panel->connector; 417 struct tpg110 *tpg = to_tpg110(panel); 418 struct drm_display_mode *mode; 419 > 420 strncpy(connector->display_info.name, tpg->panel_mode->name, 421 DRM_DISPLAY_INFO_LEN); 422 connector->display_info.width_mm = tpg->width; 423 connector->display_info.height_mm = tpg->height; 424 connector->display_info.bus_flags = tpg->panel_mode->bus_flags; 425 426 mode = drm_mode_duplicate(panel->drm, &tpg->panel_mode->mode); 427 drm_mode_set_name(mode); 428 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; 429 430 mode->width_mm = tpg->width; 431 mode->height_mm = tpg->height; 432 433 drm_mode_probed_add(connector, mode); 434 435 return 1; 436 } 437 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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