Messages in this thread | | | Date | Tue, 23 Aug 2022 17:04:21 +0800 | From | kernel test robot <> | Subject | [pdx86-platform-drivers-x86:backlight-detect-refactor-v3 5/31] drivers/gpu/drm/nouveau/nouveau_backlight.c:410: undefined reference to `acpi_video_backlight_use_native' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git backlight-detect-refactor-v3 head: 137c0ecca7db6e41715a3b3506871ef45cec29b4 commit: eeefca542f6b6d7f7b99692aadbd2204b5053d3b [5/31] drm/nouveau: Don't register backlight when another backlight should be used config: ia64-randconfig-r002-20220821 (https://download.01.org/0day-ci/archive/20220823/202208231625.icHjRXDI-lkp@intel.com/config) compiler: ia64-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://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?id=eeefca542f6b6d7f7b99692aadbd2204b5053d3b git remote add pdx86-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git git fetch --no-tags pdx86-platform-drivers-x86 backlight-detect-refactor-v3 git checkout eeefca542f6b6d7f7b99692aadbd2204b5053d3b # 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=ia64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
ia64-linux-ld: drivers/gpu/drm/nouveau/nouveau_backlight.o: in function `nouveau_backlight_init': >> drivers/gpu/drm/nouveau/nouveau_backlight.c:410: undefined reference to `acpi_video_backlight_use_native'
vim +410 drivers/gpu/drm/nouveau/nouveau_backlight.c
352 353 int 354 nouveau_backlight_init(struct drm_connector *connector) 355 { 356 struct nouveau_drm *drm = nouveau_drm(connector->dev); 357 struct nouveau_backlight *bl; 358 struct nouveau_encoder *nv_encoder = NULL; 359 struct nvif_device *device = &drm->client.device; 360 char backlight_name[BL_NAME_SIZE]; 361 struct backlight_properties props = {0}; 362 const struct backlight_ops *ops; 363 int ret; 364 365 if (apple_gmux_present()) { 366 NV_INFO_ONCE(drm, "Apple GMUX detected: not registering Nouveau backlight interface\n"); 367 return 0; 368 } 369 370 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) 371 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS); 372 else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) 373 nv_encoder = find_encoder(connector, DCB_OUTPUT_DP); 374 else 375 return 0; 376 377 if (!nv_encoder) 378 return 0; 379 380 bl = kzalloc(sizeof(*bl), GFP_KERNEL); 381 if (!bl) 382 return -ENOMEM; 383 384 switch (device->info.family) { 385 case NV_DEVICE_INFO_V0_CURIE: 386 ret = nv40_backlight_init(nv_encoder, &props, &ops); 387 break; 388 case NV_DEVICE_INFO_V0_TESLA: 389 case NV_DEVICE_INFO_V0_FERMI: 390 case NV_DEVICE_INFO_V0_KEPLER: 391 case NV_DEVICE_INFO_V0_MAXWELL: 392 case NV_DEVICE_INFO_V0_PASCAL: 393 case NV_DEVICE_INFO_V0_VOLTA: 394 case NV_DEVICE_INFO_V0_TURING: 395 case NV_DEVICE_INFO_V0_AMPERE: //XXX: not confirmed 396 ret = nv50_backlight_init(bl, nouveau_connector(connector), 397 nv_encoder, &props, &ops); 398 break; 399 default: 400 ret = 0; 401 goto fail_alloc; 402 } 403 404 if (ret) { 405 if (ret == -ENODEV) 406 ret = 0; 407 goto fail_alloc; 408 } 409 > 410 if (!acpi_video_backlight_use_native()) { 411 NV_INFO(drm, "Skipping nv_backlight registration\n"); 412 goto fail_alloc; 413 } 414 415 if (!nouveau_get_backlight_name(backlight_name, bl)) { 416 NV_ERROR(drm, "Failed to retrieve a unique name for the backlight interface\n"); 417 goto fail_alloc; 418 } 419 420 props.type = BACKLIGHT_RAW; 421 bl->dev = backlight_device_register(backlight_name, connector->kdev, 422 nv_encoder, ops, &props); 423 if (IS_ERR(bl->dev)) { 424 if (bl->id >= 0) 425 ida_free(&bl_ida, bl->id); 426 ret = PTR_ERR(bl->dev); 427 goto fail_alloc; 428 } 429 430 nouveau_connector(connector)->backlight = bl; 431 if (!bl->dev->props.brightness) 432 bl->dev->props.brightness = 433 bl->dev->ops->get_brightness(bl->dev); 434 backlight_update_status(bl->dev); 435 436 return 0; 437 438 fail_alloc: 439 kfree(bl); 440 return ret; 441 } 442
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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