Hi Thomas, I love your patch! Yet something to improve: [auto build test ERROR on next-20200305] [also build test ERROR on v5.6-rc4] [cannot apply to rockchip/for-next shawnguo/for-next sunxi/sunxi/for-next tegra/for-next linus/master v5.6-rc4 v5.6-rc3 v5.6-rc2] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Convert-drivers-to-drm_simple_encoder_init/20200306-045931 base: 47466dcf84ee66a973ea7d2fca7e582fe9328932 config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/gma500/psb_intel_lvds.c: In function 'psb_intel_lvds_init': >> drivers/gpu/drm/gma500/psb_intel_lvds.c:676:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/cdv_intel_crt.c: In function 'cdv_intel_crt_init': >> drivers/gpu/drm/gma500/cdv_intel_crt.c:267:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/cdv_intel_hdmi.c: In function 'cdv_hdmi_init': >> drivers/gpu/drm/gma500/cdv_intel_hdmi.c:315:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/cdv_intel_dp.c: In function 'cdv_intel_dp_init': >> drivers/gpu/drm/gma500/cdv_intel_dp.c:2010:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/cdv_intel_lvds.c: In function 'cdv_intel_lvds_init': >> drivers/gpu/drm/gma500/cdv_intel_lvds.c:611:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/oaktrail_lvds.c: In function 'oaktrail_lvds_init': >> drivers/gpu/drm/gma500/oaktrail_lvds.c:316:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/oaktrail_hdmi.c: In function 'oaktrail_hdmi_init': >> drivers/gpu/drm/gma500/oaktrail_hdmi.c:646:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors -- drivers/gpu/drm/gma500/mdfld_dsi_dpi.c: In function 'mdfld_dsi_dpi_init': >> drivers/gpu/drm/gma500/mdfld_dsi_dpi.c:998:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors vim +676 drivers/gpu/drm/gma500/psb_intel_lvds.c 625 626 /** 627 * psb_intel_lvds_init - setup LVDS connectors on this device 628 * @dev: drm device 629 * 630 * Create the connector, register the LVDS DDC bus, and try to figure out what 631 * modes we can display on the LVDS panel (if present). 632 */ 633 void psb_intel_lvds_init(struct drm_device *dev, 634 struct psb_intel_mode_device *mode_dev) 635 { 636 struct gma_encoder *gma_encoder; 637 struct gma_connector *gma_connector; 638 struct psb_intel_lvds_priv *lvds_priv; 639 struct drm_connector *connector; 640 struct drm_encoder *encoder; 641 struct drm_display_mode *scan; /* *modes, *bios_mode; */ 642 struct drm_crtc *crtc; 643 struct drm_psb_private *dev_priv = dev->dev_private; 644 u32 lvds; 645 int pipe; 646 647 gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL); 648 if (!gma_encoder) { 649 dev_err(dev->dev, "gma_encoder allocation error\n"); 650 return; 651 } 652 653 gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL); 654 if (!gma_connector) { 655 dev_err(dev->dev, "gma_connector allocation error\n"); 656 goto failed_encoder; 657 } 658 659 lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL); 660 if (!lvds_priv) { 661 dev_err(dev->dev, "LVDS private allocation error\n"); 662 goto failed_connector; 663 } 664 665 gma_encoder->dev_priv = lvds_priv; 666 667 connector = &gma_connector->base; 668 gma_connector->save = psb_intel_lvds_save; 669 gma_connector->restore = psb_intel_lvds_restore; 670 671 encoder = &gma_encoder->base; 672 drm_connector_init(dev, connector, 673 &psb_intel_lvds_connector_funcs, 674 DRM_MODE_CONNECTOR_LVDS); 675 > 676 drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS); 677 678 gma_connector_attach_encoder(gma_connector, gma_encoder); 679 gma_encoder->type = INTEL_OUTPUT_LVDS; 680 681 drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs); 682 drm_connector_helper_add(connector, 683 &psb_intel_lvds_connector_helper_funcs); 684 connector->display_info.subpixel_order = SubPixelHorizontalRGB; 685 connector->interlace_allowed = false; 686 connector->doublescan_allowed = false; 687 688 /*Attach connector properties*/ 689 drm_object_attach_property(&connector->base, 690 dev->mode_config.scaling_mode_property, 691 DRM_MODE_SCALE_FULLSCREEN); 692 drm_object_attach_property(&connector->base, 693 dev_priv->backlight_property, 694 BRIGHTNESS_MAX_LEVEL); 695 696 /* 697 * Set up I2C bus 698 * FIXME: distroy i2c_bus when exit 699 */ 700 lvds_priv->i2c_bus = psb_intel_i2c_create(dev, GPIOB, "LVDSBLC_B"); 701 if (!lvds_priv->i2c_bus) { 702 dev_printk(KERN_ERR, 703 &dev->pdev->dev, "I2C bus registration failed.\n"); 704 goto failed_blc_i2c; 705 } 706 lvds_priv->i2c_bus->slave_addr = 0x2C; 707 dev_priv->lvds_i2c_bus = lvds_priv->i2c_bus; 708 709 /* 710 * LVDS discovery: 711 * 1) check for EDID on DDC 712 * 2) check for VBT data 713 * 3) check to see if LVDS is already on 714 * if none of the above, no panel 715 * 4) make sure lid is open 716 * if closed, act like it's not there for now 717 */ 718 719 /* Set up the DDC bus. */ 720 lvds_priv->ddc_bus = psb_intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); 721 if (!lvds_priv->ddc_bus) { 722 dev_printk(KERN_ERR, &dev->pdev->dev, 723 "DDC bus registration " "failed.\n"); 724 goto failed_ddc; 725 } 726 727 /* 728 * Attempt to get the fixed panel mode from DDC. Assume that the 729 * preferred mode is the right one. 730 */ 731 mutex_lock(&dev->mode_config.mutex); 732 psb_intel_ddc_get_modes(connector, &lvds_priv->ddc_bus->adapter); 733 list_for_each_entry(scan, &connector->probed_modes, head) { 734 if (scan->type & DRM_MODE_TYPE_PREFERRED) { 735 mode_dev->panel_fixed_mode = 736 drm_mode_duplicate(dev, scan); 737 DRM_DEBUG_KMS("Using mode from DDC\n"); 738 goto out; /* FIXME: check for quirks */ 739 } 740 } 741 742 /* Failed to get EDID, what about VBT? do we need this? */ 743 if (dev_priv->lfp_lvds_vbt_mode) { 744 mode_dev->panel_fixed_mode = 745 drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); 746 747 if (mode_dev->panel_fixed_mode) { 748 mode_dev->panel_fixed_mode->type |= 749 DRM_MODE_TYPE_PREFERRED; 750 DRM_DEBUG_KMS("Using mode from VBT\n"); 751 goto out; 752 } 753 } 754 755 /* 756 * If we didn't get EDID, try checking if the panel is already turned 757 * on. If so, assume that whatever is currently programmed is the 758 * correct mode. 759 */ 760 lvds = REG_READ(LVDS); 761 pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; 762 crtc = psb_intel_get_crtc_from_pipe(dev, pipe); 763 764 if (crtc && (lvds & LVDS_PORT_EN)) { 765 mode_dev->panel_fixed_mode = 766 psb_intel_crtc_mode_get(dev, crtc); 767 if (mode_dev->panel_fixed_mode) { 768 mode_dev->panel_fixed_mode->type |= 769 DRM_MODE_TYPE_PREFERRED; 770 DRM_DEBUG_KMS("Using pre-programmed mode\n"); 771 goto out; /* FIXME: check for quirks */ 772 } 773 } 774 775 /* If we still don't have a mode after all that, give up. */ 776 if (!mode_dev->panel_fixed_mode) { 777 dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n"); 778 goto failed_find; 779 } 780 781 /* 782 * Blacklist machines with BIOSes that list an LVDS panel without 783 * actually having one. 784 */ 785 out: 786 mutex_unlock(&dev->mode_config.mutex); 787 drm_connector_register(connector); 788 return; 789 790 failed_find: 791 mutex_unlock(&dev->mode_config.mutex); 792 psb_intel_i2c_destroy(lvds_priv->ddc_bus); 793 failed_ddc: 794 psb_intel_i2c_destroy(lvds_priv->i2c_bus); 795 failed_blc_i2c: 796 drm_encoder_cleanup(encoder); 797 drm_connector_cleanup(connector); 798 failed_connector: 799 kfree(gma_connector); 800 failed_encoder: 801 kfree(gma_encoder); 802 } 803 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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