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: arm-multi_v7_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm 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/fsl-dcu/fsl_dcu_drm_rgb.c: In function 'fsl_dcu_drm_encoder_create': >> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c:33:8: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] ret = drm_simple_encoder_init(fsl_dev->drm, encoder, ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init cc1: some warnings being treated as errors vim +33 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c 20 21 int fsl_dcu_drm_encoder_create(struct fsl_dcu_drm_device *fsl_dev, 22 struct drm_crtc *crtc) 23 { 24 struct drm_encoder *encoder = &fsl_dev->encoder; 25 int ret; 26 27 encoder->possible_crtcs = 1; 28 29 /* Use bypass mode for parallel RGB/LVDS encoder */ 30 if (fsl_dev->tcon) 31 fsl_tcon_bypass_enable(fsl_dev->tcon); 32 > 33 ret = drm_simple_encoder_init(fsl_dev->drm, encoder, 34 DRM_MODE_ENCODER_LVDS); 35 if (ret < 0) 36 return ret; 37 38 return 0; 39 } 40 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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