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Wed, 17 Sep 2025 06:52:23 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id VMXpK6daymgFZQAAD6G6ig (envelope-from ); Wed, 17 Sep 2025 06:52:23 +0000 Message-ID: Date: Wed, 17 Sep 2025 08:52:23 +0200 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [lee-backlight:for-backlight-next 14/14] drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c:718:25: error: call to undeclared function 'device_property_read_bool'; ISO C99 and later do not support implicit function declarations To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Lee Jones , Simona Vetter , "Daniel Thompson (RISCstar)" References: <202509170410.RubSxK3n-lkp@intel.com> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNJ1Rob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmRlPsLAjgQTAQgAOAIb AwULCQgHAgYVCgkICwIEFgIDAQIeAQIXgBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftODH AAoJEGgNwR1TC3ojx1wH/0hKGWugiqDgLNXLRD/4TfHBEKmxIrmfu9Z5t7vwUKfwhFL6hqvo lXPJJKQpQ2z8+X2vZm/slsLn7J1yjrOsoJhKABDi+3QWWSGkaGwRJAdPVVyJMfJRNNNIKwVb U6B1BkX2XDKDGffF4TxlOpSQzdtNI/9gleOoUA8+jy8knnDYzjBNOZqLG2FuTdicBXblz0Mf vg41gd9kCwYXDnD91rJU8tzylXv03E75NCaTxTM+FBXPmsAVYQ4GYhhgFt8S2UWMoaaABLDe 7l5FdnLdDEcbmd8uLU2CaG4W2cLrUaI4jz2XbkcPQkqTQ3EB67hYkjiEE6Zy3ggOitiQGcqp j//OwE0EWznS4AEIAMYmP4M/V+T5RY5at/g7rUdNsLhWv1APYrh9RQefODYHrNRHUE9eosYb T6XMryR9hT8XlGOYRwKWwiQBoWSDiTMo/Xi29jUnn4BXfI2px2DTXwc22LKtLAgTRjP+qbU6 3Y0xnQN29UGDbYgyyK51DW3H0If2a3JNsheAAK+Xc9baj0LGIc8T9uiEWHBnCH+RdhgATnWW GKdDegUR5BkDfDg5O/FISymJBHx2Dyoklv5g4BzkgqTqwmaYzsl8UxZKvbaxq0zbehDda8lv hFXodNFMAgTLJlLuDYOGLK2AwbrS3Sp0AEbkpdJBb44qVlGm5bApZouHeJ/+n+7r12+lqdsA EQEAAcLAdgQYAQgAIAIbDBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftOH6AAoJEGgNwR1T C3ojVSkIALpAPkIJPQoURPb1VWjh34l0HlglmYHvZszJWTXYwavHR8+k6Baa6H7ufXNQtThR yIxJrQLW6rV5lm7TjhffEhxVCn37+cg0zZ3j7zIsSS0rx/aMwi6VhFJA5hfn3T0TtrijKP4A SAQO9xD1Zk9/61JWk8OysuIh7MXkl0fxbRKWE93XeQBhIJHQfnc+YBLprdnxR446Sh8Wn/2D Ya8cavuWf2zrB6cZurs048xe0UbSW5AOSo4V9M0jzYI4nZqTmPxYyXbm30Kvmz0rYVRaitYJ 4kyYYMhuULvrJDMjZRvaNe52tkKAvMevcGdt38H4KSVXAylqyQOW5zvPc4/sq9c= In-Reply-To: <202509170410.RubSxK3n-lkp@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: X-Spamd-Result: default: False [-2.55 / 50.00]; BAYES_HAM(-3.00)[100.00%]; LONG_SUBJ(1.75)[233]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.994]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,intel.com:email,01.org:url] X-Spam-Flag: NO X-Spam-Score: -2.55 Hi, it seems impossible to catch all of those. I'm going to send out a patch for the driver and get it upstream ASAP. Best regards Thomas Am 16.09.25 um 22:29 schrieb kernel test robot: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight.git for-backlight-next > head: 9f218f9bb9d274b9d5d48a4c95e1b199141fc1f2 > commit: 9f218f9bb9d274b9d5d48a4c95e1b199141fc1f2 [14/14] backlight: Do not include in header file > config: x86_64-buildonly-randconfig-004-20250917 (https://download.01.org/0day-ci/archive/20250917/202509170410.RubSxK3n-lkp@intel.com/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250917/202509170410.RubSxK3n-lkp@intel.com/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 > | Closes: https://lore.kernel.org/oe-kbuild-all/202509170410.RubSxK3n-lkp@intel.com/ > > All errors (new ones prefixed by >>): > >>> drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c:718:25: error: call to undeclared function 'device_property_read_bool'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 718 | ctx->flip_horizontal = device_property_read_bool(dev, "flip-horizontal"); > | ^ > drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c:718:25: note: did you mean 'drm_property_create_bool'? > include/drm/drm_property.h:271:22: note: 'drm_property_create_bool' declared here > 271 | struct drm_property *drm_property_create_bool(struct drm_device *dev, > | ^ >>> drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c:748:61: error: array has incomplete element type 'const struct of_device_id' > 748 | static const struct of_device_id s6e88a0_ams427ap24_of_match[] = { > | ^ > include/linux/device/driver.h:106:15: note: forward declaration of 'struct of_device_id' > 106 | const struct of_device_id *of_match_table; > | ^ > 2 errors generated. > > > vim +/device_property_read_bool +718 drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c > > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 683 > d5658db2a0768a7 Jakob Hauser 2024-10-28 684 static int s6e88a0_ams427ap24_probe(struct mipi_dsi_device *dsi) > d5658db2a0768a7 Jakob Hauser 2024-10-28 685 { > d5658db2a0768a7 Jakob Hauser 2024-10-28 686 struct device *dev = &dsi->dev; > d5658db2a0768a7 Jakob Hauser 2024-10-28 687 struct s6e88a0_ams427ap24 *ctx; > d5658db2a0768a7 Jakob Hauser 2024-10-28 688 int ret; > d5658db2a0768a7 Jakob Hauser 2024-10-28 689 > 3a21fd4c9065c3c Anusha Srivatsa 2025-05-29 690 ctx = devm_drm_panel_alloc(dev, struct s6e88a0_ams427ap24, panel, > 3a21fd4c9065c3c Anusha Srivatsa 2025-05-29 691 &s6e88a0_ams427ap24_panel_funcs, > 3a21fd4c9065c3c Anusha Srivatsa 2025-05-29 692 DRM_MODE_CONNECTOR_DSI); > 3a21fd4c9065c3c Anusha Srivatsa 2025-05-29 693 if (IS_ERR(ctx)) > 3a21fd4c9065c3c Anusha Srivatsa 2025-05-29 694 return PTR_ERR(ctx); > d5658db2a0768a7 Jakob Hauser 2024-10-28 695 > d5658db2a0768a7 Jakob Hauser 2024-10-28 696 ret = devm_regulator_bulk_get_const(dev, > d5658db2a0768a7 Jakob Hauser 2024-10-28 697 ARRAY_SIZE(s6e88a0_ams427ap24_supplies), > d5658db2a0768a7 Jakob Hauser 2024-10-28 698 s6e88a0_ams427ap24_supplies, > d5658db2a0768a7 Jakob Hauser 2024-10-28 699 &ctx->supplies); > d5658db2a0768a7 Jakob Hauser 2024-10-28 700 if (ret < 0) > d5658db2a0768a7 Jakob Hauser 2024-10-28 701 return ret; > d5658db2a0768a7 Jakob Hauser 2024-10-28 702 > d5658db2a0768a7 Jakob Hauser 2024-10-28 703 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); > d5658db2a0768a7 Jakob Hauser 2024-10-28 704 if (IS_ERR(ctx->reset_gpio)) > d5658db2a0768a7 Jakob Hauser 2024-10-28 705 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), > d5658db2a0768a7 Jakob Hauser 2024-10-28 706 "Failed to get reset-gpios\n"); > d5658db2a0768a7 Jakob Hauser 2024-10-28 707 > d5658db2a0768a7 Jakob Hauser 2024-10-28 708 ctx->dsi = dsi; > d5658db2a0768a7 Jakob Hauser 2024-10-28 709 mipi_dsi_set_drvdata(dsi, ctx); > d5658db2a0768a7 Jakob Hauser 2024-10-28 710 > d5658db2a0768a7 Jakob Hauser 2024-10-28 711 dsi->lanes = 2; > d5658db2a0768a7 Jakob Hauser 2024-10-28 712 dsi->format = MIPI_DSI_FMT_RGB888; > d5658db2a0768a7 Jakob Hauser 2024-10-28 713 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 714 MIPI_DSI_MODE_NO_EOT_PACKET | MIPI_DSI_MODE_VIDEO_NO_HFP; > d5658db2a0768a7 Jakob Hauser 2024-10-28 715 > d5658db2a0768a7 Jakob Hauser 2024-10-28 716 ctx->panel.prepare_prev_first = true; > d5658db2a0768a7 Jakob Hauser 2024-10-28 717 > e70d4f8e242bbc4 Jakob Hauser 2024-10-28 @718 ctx->flip_horizontal = device_property_read_bool(dev, "flip-horizontal"); > e70d4f8e242bbc4 Jakob Hauser 2024-10-28 719 > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 720 ret = s6e88a0_ams427ap24_register_backlight(ctx); > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 721 if (ret < 0) > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 722 return ret; > 5b67fdf1668fc37 Jakob Hauser 2024-10-28 723 > d5658db2a0768a7 Jakob Hauser 2024-10-28 724 drm_panel_add(&ctx->panel); > d5658db2a0768a7 Jakob Hauser 2024-10-28 725 > d5658db2a0768a7 Jakob Hauser 2024-10-28 726 ret = mipi_dsi_attach(dsi); > d5658db2a0768a7 Jakob Hauser 2024-10-28 727 if (ret < 0) { > d5658db2a0768a7 Jakob Hauser 2024-10-28 728 dev_err(dev, "Failed to attach to DSI host: %d\n", ret); > d5658db2a0768a7 Jakob Hauser 2024-10-28 729 drm_panel_remove(&ctx->panel); > d5658db2a0768a7 Jakob Hauser 2024-10-28 730 return ret; > d5658db2a0768a7 Jakob Hauser 2024-10-28 731 } > d5658db2a0768a7 Jakob Hauser 2024-10-28 732 > d5658db2a0768a7 Jakob Hauser 2024-10-28 733 return 0; > d5658db2a0768a7 Jakob Hauser 2024-10-28 734 } > d5658db2a0768a7 Jakob Hauser 2024-10-28 735 > d5658db2a0768a7 Jakob Hauser 2024-10-28 736 static void s6e88a0_ams427ap24_remove(struct mipi_dsi_device *dsi) > d5658db2a0768a7 Jakob Hauser 2024-10-28 737 { > d5658db2a0768a7 Jakob Hauser 2024-10-28 738 struct s6e88a0_ams427ap24 *ctx = mipi_dsi_get_drvdata(dsi); > d5658db2a0768a7 Jakob Hauser 2024-10-28 739 int ret; > d5658db2a0768a7 Jakob Hauser 2024-10-28 740 > d5658db2a0768a7 Jakob Hauser 2024-10-28 741 ret = mipi_dsi_detach(dsi); > d5658db2a0768a7 Jakob Hauser 2024-10-28 742 if (ret < 0) > d5658db2a0768a7 Jakob Hauser 2024-10-28 743 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); > d5658db2a0768a7 Jakob Hauser 2024-10-28 744 > d5658db2a0768a7 Jakob Hauser 2024-10-28 745 drm_panel_remove(&ctx->panel); > d5658db2a0768a7 Jakob Hauser 2024-10-28 746 } > d5658db2a0768a7 Jakob Hauser 2024-10-28 747 > d5658db2a0768a7 Jakob Hauser 2024-10-28 @748 static const struct of_device_id s6e88a0_ams427ap24_of_match[] = { > d5658db2a0768a7 Jakob Hauser 2024-10-28 749 { .compatible = "samsung,s6e88a0-ams427ap24" }, > d5658db2a0768a7 Jakob Hauser 2024-10-28 750 { /* sentinel */ }, > d5658db2a0768a7 Jakob Hauser 2024-10-28 751 }; > d5658db2a0768a7 Jakob Hauser 2024-10-28 752 MODULE_DEVICE_TABLE(of, s6e88a0_ams427ap24_of_match); > d5658db2a0768a7 Jakob Hauser 2024-10-28 753 > > :::::: The code at line 718 was first introduced by commit > :::::: e70d4f8e242bbc4fd39f3a867dc3e33122d7e559 drm/panel: samsung-s6e88a0-ams427ap24: Add flip option > > :::::: TO: Jakob Hauser > :::::: CC: Neil Armstrong > -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)