linux-kernel - drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:419:30: sparse: sparse: symbol 'rk3568_vop_layer0_regs' was not declared. Should it be static?

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Date:   Tue, 23 Nov 2021 04:21:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sascha Hauer <s.hauer@...gutronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        0day robot <lkp@...el.com>
Subject: drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:419:30: sparse: sparse:
 symbol 'rk3568_vop_layer0_regs' was not declared. Should it be static?

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 <lkp@...el.com>


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

Download attachment ".config.gz" of type "application/gzip" (34093 bytes)