tree: git://git.infradead.org/users/hch/misc.git vgaarb-cleanups head: 06ce75527991e82573f5127a13dd1550c3045c35 commit: 06ce75527991e82573f5127a13dd1550c3045c35 [4/4] vgaarb: remove the unused irq_set_state argument to vga_client_register config: arc-randconfig-r024-20210315 (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc vgaarb-cleanups git checkout 06ce75527991e82573f5127a13dd1550c3045c35 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/drm/drm_fb_helper.h:39, from drivers/gpu/drm/drm_crtc_helper.c:45: include/linux/vgaarb.h: In function 'vga_client_unregister': 136 | vga_client_register(pdev, NULL, NULL, NULL); | ^~~~~~~~~~~~~~~~~~~ include/linux/vgaarb.h:127:19: note: declared here 127 | static inline int vga_client_register(struct pci_dev *pdev, void *cookie, | ^~~~~~~~~~~~~~~~~~~ vim +/vga_client_register +136 include/linux/vgaarb.h deb2d2ecd43dfc Benjamin Herrenschmidt 2009-08-11 133 c6dc15a5e8f729 Christoph Hellwig 2021-03-15 134 static inline void vga_client_unregister(struct pci_dev *pdev) c6dc15a5e8f729 Christoph Hellwig 2021-03-15 135 { c6dc15a5e8f729 Christoph Hellwig 2021-03-15 @136 vga_client_register(pdev, NULL, NULL, NULL); c6dc15a5e8f729 Christoph Hellwig 2021-03-15 137 :::::: The code at line 136 was first introduced by commit :::::: c6dc15a5e8f729a599d8becc7b44e55908b9753e vgaarb: provide a vga_client_unregister wrapper :::::: TO: Christoph Hellwig <hch(a)lst.de&gt; :::::: CC: Christoph Hellwig <hch(a)lst.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org