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ISO C99 and later do not support implicit function declarations Message-ID: <202303190142.TjYYpbba-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: bqrukrcuzetyckby6oi7zmb7hh6y9pnt X-Rspamd-Queue-Id: BEF5B20008 X-HE-Tag: 1679160896-538733 X-HE-Meta: U2FsdGVkX1/Jq94DL6gEAuobgUlZPQliHboUI/DJd07DyN/3Xuxizm+7CamjNfoU5imKCw+dLdCda4H2QI8MZwHPQH9/MFnGtZKJKYeLp0gPAJ7dp2V8V0DKUlEtk8XNL+OQGJB2KzBq/CPDQ7KRYJnI1bwpsldjxGPi+ZHGYCY8T5CsLxsWk2DakzuzKPV6CjfEIZZhASnsKDi6bRuk/AfgP4TPp5SrBmKTbHnl5Nk2GZAadc4oY6AuGIoU4Uog03S7sUBC2j7e97peZbXTtYA1b41GDfm1JNo17uB5myJgDQ8EoUFsl+AnR8LIBusHJ//cwWWgKrGjFGnwLzXVuq/gC/7y1jeCtLKvCw0rHFSS/R+bXbnOX06SkqjoTOsOuc2s9GUHjA6Fbj1ErorB0gHknxmICxk8oMmG5kYsDwmB9yYtc4Ht5o0LQ1Xbke+B0pyXVHTWtPHkC4sSzkxjNjvWMhquJYwG+pe6Wzf+vdrBUhMB7Ki5h+jek2zQfALeGxmYzGIdPwlZDV6TYs8v2CGyyvrIGFGbZfjFF89MAfRbqwtB5TybmJylRHEy+RRqv2r8CaUso8yqjyIfqvnf86seXPM8a2SYQB2OjVXG8FrLDwC0ytpuhH1tsOhH1KOQEWK/elj1yysglsA4SP+LE0+oUTJfAtx5FPBlLFX+j6xTwt0TVOYpCVl8w1vqNJ7v09qOaxhbGDe7cqFKdZguTwjbPEPyQcXNb8cx8HyBitOJBRrzu7I50W7uqkwo1jl/kFVCLRAVCuWTu4REh9XvA28XQAdSM8tpxWMmigqIxE/Q/Cutytfv7wooUpQMyQo25AVlA+SeDY3Mddh1f+UnoflYCbXNCoa12W76PPVBzwl2XpTdhGbeKCGNz/WF4+SupIOpwPquNOdKJCO3sTVVar6GzcgKDZGy6rXYBZ3aOw/AnL8SuEgWCnCgTymhYDMb2isyv2LQiktSuDtCdIP f+K8TKcc 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6f08c1de13a9403341c18b66638a05588b2663ce commit: c87e859cdeb5d106cb861326e3135c606d61f88d [3041/4413] drm/imx/lcdc: Implement DRM driver for imx25 config: mips-randconfig-r001-20230319 (https://download.01.org/0day-ci/archive/20230319/202303190142.TjYYpbba-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7) 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 # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c87e859cdeb5d106cb861326e3135c606d61f88d git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout c87e859cdeb5d106cb861326e3135c606d61f88d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202303190142.TjYYpbba-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/imx/lcdc/imx-lcdc.c:411:11: error: call to undeclared function 'devm_drm_of_get_bridge'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); ^ >> drivers/gpu/drm/imx/lcdc/imx-lcdc.c:411:9: error: incompatible integer to pointer conversion assigning to 'struct drm_bridge *' from 'int' [-Wint-conversion] bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/imx/lcdc/imx-lcdc.c:449:8: error: call to undeclared function 'drm_bridge_attach'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] ret = drm_bridge_attach(&lcdc->pipe.encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); ^ >> drivers/gpu/drm/imx/lcdc/imx-lcdc.c:449:61: error: use of undeclared identifier 'DRM_BRIDGE_ATTACH_NO_CONNECTOR' ret = drm_bridge_attach(&lcdc->pipe.encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); ^ 4 errors generated. vim +/devm_drm_of_get_bridge +411 drivers/gpu/drm/imx/lcdc/imx-lcdc.c 390 391 static int imx_lcdc_probe(struct platform_device *pdev) 392 { 393 struct imx_lcdc *lcdc; 394 struct drm_device *drm; 395 struct drm_bridge *bridge; 396 int irq; 397 int ret; 398 struct device *dev = &pdev->dev; 399 400 lcdc = devm_drm_dev_alloc(dev, &imx_lcdc_drm_driver, 401 struct imx_lcdc, drm); 402 if (!lcdc) 403 return -ENOMEM; 404 405 drm = &lcdc->drm; 406 407 lcdc->base = devm_platform_ioremap_resource(pdev, 0); 408 if (IS_ERR(lcdc->base)) 409 return dev_err_probe(dev, PTR_ERR(lcdc->base), "Cannot get IO memory\n"); 410 > 411 bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0); 412 if (IS_ERR(bridge)) 413 return dev_err_probe(dev, PTR_ERR(bridge), "Failed to find bridge\n"); 414 415 /* Get Clocks */ 416 lcdc->clk_ipg = devm_clk_get(dev, "ipg"); 417 if (IS_ERR(lcdc->clk_ipg)) 418 return dev_err_probe(dev, PTR_ERR(lcdc->clk_ipg), "Failed to get %s clk\n", "ipg"); 419 420 lcdc->clk_ahb = devm_clk_get(dev, "ahb"); 421 if (IS_ERR(lcdc->clk_ahb)) 422 return dev_err_probe(dev, PTR_ERR(lcdc->clk_ahb), "Failed to get %s clk\n", "ahb"); 423 424 lcdc->clk_per = devm_clk_get(dev, "per"); 425 if (IS_ERR(lcdc->clk_per)) 426 return dev_err_probe(dev, PTR_ERR(lcdc->clk_per), "Failed to get %s clk\n", "per"); 427 428 ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32)); 429 if (ret) 430 return dev_err_probe(dev, ret, "Cannot set DMA Mask\n"); 431 432 /* Modeset init */ 433 ret = drmm_mode_config_init(drm); 434 if (ret) 435 return dev_err_probe(dev, ret, "Cannot initialize mode configuration structure\n"); 436 437 /* CRTC, Plane, Encoder */ 438 ret = drm_simple_display_pipe_init(drm, &lcdc->pipe, 439 &imx_lcdc_pipe_funcs, 440 imx_lcdc_formats, 441 ARRAY_SIZE(imx_lcdc_formats), NULL, NULL); 442 if (ret < 0) 443 return dev_err_probe(drm->dev, ret, "Cannot setup simple display pipe\n"); 444 445 ret = drm_vblank_init(drm, drm->mode_config.num_crtc); 446 if (ret < 0) 447 return dev_err_probe(drm->dev, ret, "Failed to initialize vblank\n"); 448 > 449 ret = drm_bridge_attach(&lcdc->pipe.encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); 450 if (ret) 451 return dev_err_probe(drm->dev, ret, "Cannot attach bridge\n"); 452 453 lcdc->connector = drm_bridge_connector_init(drm, &lcdc->pipe.encoder); 454 if (IS_ERR(lcdc->connector)) 455 return dev_err_probe(drm->dev, PTR_ERR(lcdc->connector), "Cannot init bridge connector\n"); 456 457 drm_connector_attach_encoder(lcdc->connector, &lcdc->pipe.encoder); 458 459 /* 460 * The LCDC controller does not have an enable bit. The 461 * controller starts directly when the clocks are enabled. 462 * If the clocks are enabled when the controller is not yet 463 * programmed with proper register values (enabled at the 464 * bootloader, for example) then it just goes into some undefined 465 * state. 466 * To avoid this issue, let's enable and disable LCDC IPG, 467 * PER and AHB clock so that we force some kind of 'reset' 468 * to the LCDC block. 469 */ 470 471 ret = clk_prepare_enable(lcdc->clk_ipg); 472 if (ret) 473 return dev_err_probe(dev, ret, "Cannot enable ipg clock\n"); 474 clk_disable_unprepare(lcdc->clk_ipg); 475 476 ret = clk_prepare_enable(lcdc->clk_per); 477 if (ret) 478 return dev_err_probe(dev, ret, "Cannot enable per clock\n"); 479 clk_disable_unprepare(lcdc->clk_per); 480 481 ret = clk_prepare_enable(lcdc->clk_ahb); 482 if (ret) 483 return dev_err_probe(dev, ret, "Cannot enable ahb clock\n"); 484 clk_disable_unprepare(lcdc->clk_ahb); 485 486 drm->mode_config.min_width = LCDC_MIN_XRES; 487 drm->mode_config.max_width = LCDC_MAX_XRES; 488 drm->mode_config.min_height = LCDC_MIN_YRES; 489 drm->mode_config.max_height = LCDC_MAX_YRES; 490 drm->mode_config.preferred_depth = 16; 491 drm->mode_config.funcs = &imx_lcdc_mode_config_funcs; 492 drm->mode_config.helper_private = &imx_lcdc_mode_config_helpers; 493 494 drm_mode_config_reset(drm); 495 496 irq = platform_get_irq(pdev, 0); 497 if (irq < 0) { 498 ret = irq; 499 return ret; 500 } 501 502 ret = devm_request_irq(dev, irq, imx_lcdc_irq_handler, 0, "imx-lcdc", lcdc); 503 if (ret < 0) 504 return dev_err_probe(drm->dev, ret, "Failed to install IRQ handler\n"); 505 506 platform_set_drvdata(pdev, drm); 507 508 ret = drm_dev_register(&lcdc->drm, 0); 509 if (ret) 510 return dev_err_probe(dev, ret, "Cannot register device\n"); 511 512 drm_fbdev_generic_setup(drm, 0); 513 514 return 0; 515 } 516 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests