tree: git://anongit.freedesktop.org/drm/drm-tip drm-tip head: bbcf5f94e2ae795beec14cba06533ff3a9971cc0 commit: 4bfc7f77430f2a83af4a5151a46d33d2044440d9 [5/9] Merge remote-tracking branch 'drm-misc/drm-misc-next' into drm-tip config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-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 git checkout 4bfc7f77430f2a83af4a5151a46d33d2044440d9 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=sparc64

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

All errors (new ones prefixed by >>):

...

ERROR: "drm_panel_bridge_connector" [drivers/gpu/drm/tve200/tve200_drm.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-tpo-tpg110.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-tpo-td028ttec1.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-sitronix-st7789v.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-sitronix-st7701.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-sharp-ls043t1le01.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-seiko-43wvf1g.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-ronbo-rb070d30.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-rocktech-jh057n00900.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-raydium-rm68200.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-innolux-p079zca.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-ilitek-ili9881c.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-simple.ko] undefined! ERROR: "drm_panel_of_backlight" [drivers/gpu/drm/panel/panel-lvds.ko] undefined!

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