Hi Philippe, [auto build test ERROR on drm/drm-next] [also build test ERROR on next-20170602] [cannot apply to v4.12-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Philippe-CORNU/STM32-DSI-HOST/20170603-231124 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: arm-at91_dt_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All error/warnings (new ones prefixed by >>): drivers/gpu/drm/stm/ltdc.c: In function 'ltdc_load': >> drivers/gpu/drm/stm/ltdc.c:953:12: error: implicit declaration of function 'drm_panel_bridge_add' [-Werror=implicit-function-declaration] bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI); ^~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/stm/ltdc.c:953:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion] bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI); ^ >> drivers/gpu/drm/stm/ltdc.c:993:2: error: implicit declaration of function 'drm_panel_bridge_remove' [-Werror=implicit-function-declaration] drm_panel_bridge_remove(bridge); ^~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/drm_panel_bridge_add +953 drivers/gpu/drm/stm/ltdc.c 947 return ret; 948 } 949 950 DRM_INFO("ltdc hw version 0x%08x - ready\n", ldev->caps.hw_version); 951 952 if (panel) { > 953 bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI); 954 if (IS_ERR(bridge)) { 955 DRM_ERROR("Failed to create panel-bridge\n"); 956 return PTR_ERR(bridge); 957 } 958 } 959 960 ldev->bridge = bridge; 961 962 ret = ltdc_encoder_init(ddev); 963 if (ret) { 964 DRM_ERROR("Failed to init encoder\n"); 965 goto err; 966 } 967 968 crtc = devm_kzalloc(dev, sizeof(*crtc), GFP_KERNEL); 969 if (!crtc) { 970 DRM_ERROR("Failed to allocate crtc\n"); 971 ret = -ENOMEM; 972 goto err; 973 } 974 975 ret = ltdc_crtc_init(ddev, crtc); 976 if (ret) { 977 DRM_ERROR("Failed to init crtc\n"); 978 goto err; 979 } 980 981 ret = drm_vblank_init(ddev, NB_CRTC); 982 if (ret) { 983 DRM_ERROR("Failed calling drm_vblank_init()\n"); 984 goto err; 985 } 986 987 /* Allow usage of vblank without having to call drm_irq_install */ 988 ddev->irq_enabled = 1; 989 990 return 0; 991 992 err: > 993 drm_panel_bridge_remove(bridge); 994 995 clk_disable_unprepare(ldev->pixel_clk); 996 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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