tree: https://github.com/0day-ci/linux/commits/UPDATE-20211117-234622/Sascha-Hauer/drm-rockchip-RK356x-VOP2-support/20211117-223601 head: bb17f3afe532266901ec476abd66abd2178e5cfb commit: bb17f3afe532266901ec476abd66abd2178e5cfb drm: rockchip: Add VOP2 driver date: 5 days ago config: nios2-randconfig-s031-20211118 (attached as .config) compiler: nios2-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/bb17f3afe532266901ec476abd66abd2178e5cfb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20211117-234622/Sascha-Hauer/drm-rockchip-RK356x-VOP2-support/20211117-223601 git checkout bb17f3afe532266901ec476abd66abd2178e5cfb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/gpu/drm/rockchip/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:419:30: sparse: sparse: symbol 'rk3568_vop_layer0_regs' was not declared. Should it be static? >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:423:30: sparse: sparse: symbol 'rk3568_vop_layer1_regs' was not declared. Should it be static? >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:427:30: sparse: sparse: symbol 'rk3568_vop_layer2_regs' was not declared. Should it be static? >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:431:30: sparse: sparse: symbol 'rk3568_vop_layer3_regs' was not declared. Should it be static? >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:435:30: sparse: sparse: symbol 'rk3568_vop_layer4_regs' was not declared. Should it be static? >> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:439:30: sparse: sparse: symbol 'rk3568_vop_layer5_regs' was not declared. Should it be static? -- >> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:1593:35: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *s @@ got void [noderef] __iomem *regs @@ drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:1593:35: sparse: expected void const *s drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:1593:35: sparse: got void [noderef] __iomem *regs vim +/rk3568_vop_layer0_regs +419 drivers/gpu/drm/rockchip/rockchip_vop2_reg.c 418 > 419 const struct vop2_layer_regs rk3568_vop_layer0_regs = { 420 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 0) 421 }; 422 > 423 const struct vop2_layer_regs rk3568_vop_layer1_regs = { 424 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 4) 425 }; 426 > 427 const struct vop2_layer_regs rk3568_vop_layer2_regs = { 428 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 8) 429 }; 430 > 431 const struct vop2_layer_regs rk3568_vop_layer3_regs = { 432 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 12) 433 }; 434 > 435 const struct vop2_layer_regs rk3568_vop_layer4_regs = { 436 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 16) 437 }; 438 > 439 const struct vop2_layer_regs rk3568_vop_layer5_regs = { 440 .layer_sel = VOP_REG(RK3568_OVL_LAYER_SEL, 0x7, 20) 441 }; 442 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org