[linux-next:master 7400/7959] drivers/gpu/drm/amd/amdgpu/soc21.c:128:6: warning: no previous prototype for 'soc21_grbm_select'

[linux-next:master 7400/7959] drivers/gpu/drm/amd/amdgpu/soc21.c:128:6: warning: no previous prototype for 'soc21_grbm_select'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   5469f0c06732a077c70a759a81f2a1f00b277694
commit: 71199aa47bbccef3eda9940dc6d457ed0268f7d2 [7400/7959] drm/amdgpu: add soc21 common ip block v2
config: alpha-buildonly-randconfig-r003-20220428 (https://download.01.org/0day-ci/archive/20220429/202204292023.lorNXF5U-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.3.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=71199aa47bbccef3eda9940dc6d457ed0268f7d2
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 71199aa47bbccef3eda9940dc6d457ed0268f7d2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/gpu/drm/amd/amdgpu/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/soc21.c:128:6: warning: no previous prototype for 'soc21_grbm_select' [-Wmissing-prototypes]
     128 | void soc21_grbm_select(struct amdgpu_device *adev,
         |      ^~~~~~~~~~~~~~~~~


vim +/soc21_grbm_select +128 drivers/gpu/drm/amd/amdgpu/soc21.c

   126	
   127	
 > 128	void soc21_grbm_select(struct amdgpu_device *adev,
   129			     u32 me, u32 pipe, u32 queue, u32 vmid)
   130	{
   131		u32 grbm_gfx_cntl = 0;
   132		grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
   133		grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
   134		grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
   135		grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
   136	
   137		WREG32(SOC15_REG_OFFSET(GC, 0, regGRBM_GFX_CNTL), grbm_gfx_cntl);
   138	}
   139	

-- 
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https://01.org/lkp