[agd5f:amd-staging-drm-next 439/444] drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c:503:6: warning: no previous prototype for 'release_psp_cmd_buf'

[kernel test robot <lkp@intel.com>]

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tree:   https://gitlab.freedesktop.org/agd5f/linux.git amd-staging-drm-next
head:   5cf164d61a525c23db7aa79b175b98e6a2bd12ee
commit: 4c8fcdd6005b92377ea0eb3d436c26fdf4557cfe [439/444] drm/amdgpu: added synchronization for psp cmd buf access
config: alpha-randconfig-p002-20210804 (attached as .config)
compiler: alpha-linux-gcc (GCC) 10.3.0
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
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f amd-staging-drm-next
        git checkout 4c8fcdd6005b92377ea0eb3d436c26fdf4557cfe
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=alpha 

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/amdgpu_psp.c:503:6: warning: no previous prototype for 'release_psp_cmd_buf' [-Wmissing-prototypes]
     503 | void release_psp_cmd_buf(struct psp_context *psp)
         |      ^~~~~~~~~~~~~~~~~~~


vim +/release_psp_cmd_buf +503 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

   502	
 > 503	void release_psp_cmd_buf(struct psp_context *psp)
   504	{
   505		mutex_unlock(&psp->mutex);
   506	}
   507	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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