[PATCH] drm/ast: radeon amdgpu for ast add prime

[kernel test robot]

Hi oushixiong,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-intel/for-linux-next linus/master v5.19 next-20220811]
[cannot apply to drm-misc/drm-misc-next drm-tip/drm-tip]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/oushixiong/drm-ast-radeon-amdgpu-for-ast-add-prime/20220811-115710
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220812/202208120345.REoTpw1K-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/1b9b79a00132f2917ca66bea714a6f21fc939b0f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review oushixiong/drm-ast-radeon-amdgpu-for-ast-add-prime/20220811-115710
        git checkout 1b9b79a00132f2917ca66bea714a6f21fc939b0f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/ast/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

sparse warnings: (new ones prefixed by >>)
   drivers/gpu/drm/ast/ast_drv.c:43:5: sparse: sparse: symbol 'ast_modeset' was not declared. Should it be static?
>> drivers/gpu/drm/ast/ast_drv.c:54:23: sparse: sparse: symbol 'ast_gem_prime_import_sg_table' was not declared. Should it be static?
--
   drivers/gpu/drm/ast/ast_mode.c:681:19: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/ast/ast_mode.c:681:16: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned char [noderef] [usertype] __iomem *dstxor @@     got unsigned char [usertype] * @@
   drivers/gpu/drm/ast/ast_mode.c:681:16: sparse:     expected unsigned char [noderef] [usertype] __iomem *dstxor
   drivers/gpu/drm/ast/ast_mode.c:681:16: sparse:     got unsigned char [usertype] *
>> drivers/gpu/drm/ast/ast_mode.c:1759:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem * @@     got void * @@
   drivers/gpu/drm/ast/ast_mode.c:1759:33: sparse:     expected void volatile [noderef] __iomem *
   drivers/gpu/drm/ast/ast_mode.c:1759:33: sparse:     got void *
>> drivers/gpu/drm/ast/ast_mode.c:1713:5: sparse: sparse: symbol 'ast_handle_damage' was not declared. Should it be static?
>> drivers/gpu/drm/ast/ast_mode.c:1814:24: sparse: sparse: symbol 'ast_gem_fb_create_with_dirty' was not declared. Should it be static?

-- 
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