Hi, > Subject: Re: [PATCH 02/10] drm: rcar-du: Add encoder lib support > > Hi Biju, > > Thank you for the patch! Perhaps something to improve: > > wget > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross > W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/rcar-du/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> drivers/gpu/drm/rcar-du/rcar_du_encoder.c:20:5: warning: no previous > >> prototype for 'rcar_du_encoder_init' [-Wmissing-prototypes] > 20 | int rcar_du_encoder_init(struct rcar_du_device *rcdu, > | ^~~~~~~~~~~~~~~~~~~~ This warning message is because of the below header file change in rcar_du_encoder.c. rcar_du_encoder.h-> "rcar_du_encoder_lib.h" Will fix this in next version, based on the feedback for the remaining patches Cheers, Biju > > vim +/rcar_du_encoder_init +20 drivers/gpu/drm/rcar-du/rcar_du_encoder.c > > 4bf8e1962f91eed drivers/gpu/drm/rcar-du/rcar_du_lvds.c Laurent > Pinchart 2013-06-19 15 > 6978f123776594b drivers/gpu/drm/rcar-du/rcar_du_encoder.c Laurent > Pinchart 2013-06-15 16 /* -------------------------------------------- > --------------------------------- > 6978f123776594b drivers/gpu/drm/rcar-du/rcar_du_encoder.c Laurent > Pinchart 2013-06-15 17 * Encoder > 6978f123776594b drivers/gpu/drm/rcar-du/rcar_du_encoder.c Laurent > Pinchart 2013-06-15 18 */ > 6978f123776594b drivers/gpu/drm/rcar-du/rcar_du_encoder.c Laurent > Pinchart 2013-06-15 19 6978f123776594b drivers/gpu/drm/rcar- > du/rcar_du_encoder.c Laurent Pinchart 2013-06-15 @20 int > rcar_du_encoder_init(struct rcar_du_device *rcdu, >