tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next head: 2620fddce4a9dee64876ee7f3f344ea558fc1ac3 commit: 223cce88a926efbbd99d21fe2e540b1a9050410e [7/9] drm/panel: Add support for Sharp LS060T1SX01 panel config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 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 git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch --no-tags drm-misc for-linux-next git checkout 223cce88a926efbbd99d21fe2e540b1a9050410e # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Note: the drm-misc/for-linux-next HEAD 2620fddce4a9dee64876ee7f3f344ea558fc1ac3 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c: In function 'sharp_ls060_probe': >> drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c:278:27: error: 'MIPI_DSI_MODE_EOT_PACKET' undeclared (first use in this function); did you mean 'MIPI_DSI_MODE_NO_EOT_PACKET'? 278 | MIPI_DSI_MODE_EOT_PACKET | | ^~~~~~~~~~~~~~~~~~~~~~~~ | MIPI_DSI_MODE_NO_EOT_PACKET drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c:278:27: note: each undeclared identifier is reported only once for each function it appears in vim +278 drivers/gpu/drm/panel/panel-sharp-ls060t1sx01.c 240 241 static int sharp_ls060_probe(struct mipi_dsi_device *dsi) 242 { 243 struct device *dev = &dsi->dev; 244 struct sharp_ls060 *ctx; 245 int ret; 246 247 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); 248 if (!ctx) 249 return -ENOMEM; 250 251 ctx->vddi_supply = devm_regulator_get(dev, "vddi"); 252 if (IS_ERR(ctx->vddi_supply)) 253 return PTR_ERR(ctx->vddi_supply); 254 255 ctx->vddh_supply = devm_regulator_get(dev, "vddh"); 256 if (IS_ERR(ctx->vddh_supply)) 257 return PTR_ERR(ctx->vddh_supply); 258 259 ctx->avdd_supply = devm_regulator_get(dev, "avdd"); 260 if (IS_ERR(ctx->avdd_supply)) 261 return PTR_ERR(ctx->avdd_supply); 262 263 ctx->avee_supply = devm_regulator_get(dev, "avee"); 264 if (IS_ERR(ctx->avee_supply)) 265 return PTR_ERR(ctx->avee_supply); 266 267 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); 268 if (IS_ERR(ctx->reset_gpio)) 269 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), 270 "Failed to get reset-gpios\n"); 271 272 ctx->dsi = dsi; 273 mipi_dsi_set_drvdata(dsi, ctx); 274 275 dsi->lanes = 4; 276 dsi->format = MIPI_DSI_FMT_RGB888; 277 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | > 278 MIPI_DSI_MODE_EOT_PACKET | 279 MIPI_DSI_CLOCK_NON_CONTINUOUS; 280 281 drm_panel_init(&ctx->panel, dev, &sharp_ls060_panel_funcs, 282 DRM_MODE_CONNECTOR_DSI); 283 284 ret = drm_panel_of_backlight(&ctx->panel); 285 if (ret) 286 return dev_err_probe(dev, ret, "Failed to get backlight\n"); 287 288 drm_panel_add(&ctx->panel); 289 290 ret = mipi_dsi_attach(dsi); 291 if (ret < 0) { 292 dev_err(dev, "Failed to attach to DSI host: %d\n", ret); 293 drm_panel_remove(&ctx->panel); 294 return ret; 295 } 296 297 return 0; 298 } 299 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org