tree: git://git.infradead.org/users/hch/misc.git vgaarb-cleanups head: 06ce75527991e82573f5127a13dd1550c3045c35 commit: c6dc15a5e8f729a599d8becc7b44e55908b9753e [3/4] vgaarb: provide a vga_client_unregister wrapper config: x86_64-rhel-7.6-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add hch-misc git://git.infradead.org/users/hch/misc.git git fetch --no-tags hch-misc vgaarb-cleanups git checkout c6dc15a5e8f729a599d8becc7b44e55908b9753e # save the attached .config to linux build tree make W=1 ARCH=x86_64 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 >>): drivers/gpu/drm/i915/display/intel_vga.c: In function 'intel_vga_unregister': 159 | vga_client_register(i915->drm.pdev); | ^~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/i915/display/intel_vga.c:7: include/linux/vgaarb.h:124:5: note: declared here 124 | int vga_client_register(struct pci_dev *pdev, void *cookie, | ^~~~~~~~~~~~~~~~~~~ vim +/vga_client_register +159 drivers/gpu/drm/i915/display/intel_vga.c 156 157 void intel_vga_unregister(struct drm_i915_private *i915) 158 { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org