linux-kernel - [agd5f:drm-next 427/460] drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:129:6: warning: no previous prototype for 'amdgpu_ucode_print_imu

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Date:   Thu, 5 May 2022 05:13:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     Likun Gao <Likun.Gao@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>,
        Hawking Zhang <Hawking.Zhang@....com>
Subject: [agd5f:drm-next 427/460]
 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:129:6: warning: no previous
 prototype for 'amdgpu_ucode_print_imu_hdr'

tree:   https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head:   d6ffefccf7f04eefddc8e8aa35fb4afe05a42e0c
commit: 289bcffb9d76f575995113dd48c09de7f2deb1d1 [427/460] drm/amdgpu: support imu for gfx11
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220505/202205050542.SL1MkyhN-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
        git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
        git fetch --no-tags agd5f drm-next
        git checkout 289bcffb9d76f575995113dd48c09de7f2deb1d1
        # 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@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:129:6: warning: no previous prototype for 'amdgpu_ucode_print_imu_hdr' [-Wmissing-prototypes]
     129 | void amdgpu_ucode_print_imu_hdr(const struct common_firmware_header *hdr)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
>> drivers/gpu/drm/amd/amdgpu/imu_v11_0.c:231:6: warning: no previous prototype for 'program_imu_rlc_ram' [-Wmissing-prototypes]
     231 | void program_imu_rlc_ram(struct amdgpu_device *adev,
         |      ^~~~~~~~~~~~~~~~~~~


vim +/amdgpu_ucode_print_imu_hdr +129 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

   128	
 > 129	void amdgpu_ucode_print_imu_hdr(const struct common_firmware_header *hdr)
   130	{
   131		uint16_t version_major = le16_to_cpu(hdr->header_version_major);
   132		uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);
   133	
   134		DRM_DEBUG("IMU\n");
   135		amdgpu_ucode_print_common_hdr(hdr);
   136	
   137		if (version_major != 1) {
   138			DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);
   139		}
   140	}
   141	

-- 
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https://01.org/lkp