[agd5f:drm-next 41/57] 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 drm-next
head:   f5bb65b1b6213c07641c5e60c67fbcbb438705bc
commit: 908dada12cbe41ab5a218a8157631df48bded32b [41/57] drm/amdgpu: added synchronization for psp cmd buf access
config: i386-randconfig-r021-20210804 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 908dada12cbe41ab5a218a8157631df48bded32b
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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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