[linux-next:master 15454/15533] drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c:89: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   74f961f4e4c0bfe4b7e40effdb503b02e09296da
commit: 7ecf1e065378b99c8e19ad2cb27bd24034d45719 [15454/15533] Merge remote-tracking branch 'amdgpu/drm-next'
config: x86_64-randconfig-a015-20210429 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7ecf1e065378b99c8e19ad2cb27bd24034d45719
        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 7ecf1e065378b99c8e19ad2cb27bd24034d45719
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c:89: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * This shader is used to clear VGPRS and LDS, and also write the input
   drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c:209: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * The below shaders are used to clear SGPRS, and also write the input
   drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c:301: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * This shader is used to clear the uninitiated sgprs after the above


vim +89 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_2.c

264aef8b3bb317 Hawking Zhang 2020-10-19   87  
0e0036c7d13b94 Dennis Li     2021-04-27   88  /**
0e0036c7d13b94 Dennis Li     2021-04-27  @89   * This shader is used to clear VGPRS and LDS, and also write the input
0e0036c7d13b94 Dennis Li     2021-04-27   90   * pattern into the write back buffer, which will be used by driver to
0e0036c7d13b94 Dennis Li     2021-04-27   91   * check whether all SIMDs have been covered.
0e0036c7d13b94 Dennis Li     2021-04-27   92  */
6effe779726738 Dennis Li     2021-04-21   93  static const u32 vgpr_init_compute_shader_aldebaran[] = {
0e0036c7d13b94 Dennis Li     2021-04-27   94  	0xb8840904, 0xb8851a04, 0xb8861344, 0xb8831804, 0x9208ff06, 0x00000280,
0e0036c7d13b94 Dennis Li     2021-04-27   95  	0x9209a805, 0x920a8a04, 0x81080908, 0x81080a08, 0x81080308, 0x8e078208,
0e0036c7d13b94 Dennis Li     2021-04-27   96  	0x81078407, 0xc0410080, 0x00000007, 0xbf8c0000, 0xd3d94000, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27   97  	0xd3d94001, 0x18000080, 0xd3d94002, 0x18000080, 0xd3d94003, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27   98  	0xd3d94004, 0x18000080, 0xd3d94005, 0x18000080, 0xd3d94006, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27   99  	0xd3d94007, 0x18000080, 0xd3d94008, 0x18000080, 0xd3d94009, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  100  	0xd3d9400a, 0x18000080, 0xd3d9400b, 0x18000080, 0xd3d9400c, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  101  	0xd3d9400d, 0x18000080, 0xd3d9400e, 0x18000080, 0xd3d9400f, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  102  	0xd3d94010, 0x18000080, 0xd3d94011, 0x18000080, 0xd3d94012, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  103  	0xd3d94013, 0x18000080, 0xd3d94014, 0x18000080, 0xd3d94015, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  104  	0xd3d94016, 0x18000080, 0xd3d94017, 0x18000080, 0xd3d94018, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  105  	0xd3d94019, 0x18000080, 0xd3d9401a, 0x18000080, 0xd3d9401b, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  106  	0xd3d9401c, 0x18000080, 0xd3d9401d, 0x18000080, 0xd3d9401e, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  107  	0xd3d9401f, 0x18000080, 0xd3d94020, 0x18000080, 0xd3d94021, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  108  	0xd3d94022, 0x18000080, 0xd3d94023, 0x18000080, 0xd3d94024, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  109  	0xd3d94025, 0x18000080, 0xd3d94026, 0x18000080, 0xd3d94027, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  110  	0xd3d94028, 0x18000080, 0xd3d94029, 0x18000080, 0xd3d9402a, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  111  	0xd3d9402b, 0x18000080, 0xd3d9402c, 0x18000080, 0xd3d9402d, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  112  	0xd3d9402e, 0x18000080, 0xd3d9402f, 0x18000080, 0xd3d94030, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  113  	0xd3d94031, 0x18000080, 0xd3d94032, 0x18000080, 0xd3d94033, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  114  	0xd3d94034, 0x18000080, 0xd3d94035, 0x18000080, 0xd3d94036, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  115  	0xd3d94037, 0x18000080, 0xd3d94038, 0x18000080, 0xd3d94039, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  116  	0xd3d9403a, 0x18000080, 0xd3d9403b, 0x18000080, 0xd3d9403c, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  117  	0xd3d9403d, 0x18000080, 0xd3d9403e, 0x18000080, 0xd3d9403f, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  118  	0xd3d94040, 0x18000080, 0xd3d94041, 0x18000080, 0xd3d94042, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  119  	0xd3d94043, 0x18000080, 0xd3d94044, 0x18000080, 0xd3d94045, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  120  	0xd3d94046, 0x18000080, 0xd3d94047, 0x18000080, 0xd3d94048, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  121  	0xd3d94049, 0x18000080, 0xd3d9404a, 0x18000080, 0xd3d9404b, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  122  	0xd3d9404c, 0x18000080, 0xd3d9404d, 0x18000080, 0xd3d9404e, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  123  	0xd3d9404f, 0x18000080, 0xd3d94050, 0x18000080, 0xd3d94051, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  124  	0xd3d94052, 0x18000080, 0xd3d94053, 0x18000080, 0xd3d94054, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  125  	0xd3d94055, 0x18000080, 0xd3d94056, 0x18000080, 0xd3d94057, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  126  	0xd3d94058, 0x18000080, 0xd3d94059, 0x18000080, 0xd3d9405a, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  127  	0xd3d9405b, 0x18000080, 0xd3d9405c, 0x18000080, 0xd3d9405d, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  128  	0xd3d9405e, 0x18000080, 0xd3d9405f, 0x18000080, 0xd3d94060, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  129  	0xd3d94061, 0x18000080, 0xd3d94062, 0x18000080, 0xd3d94063, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  130  	0xd3d94064, 0x18000080, 0xd3d94065, 0x18000080, 0xd3d94066, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  131  	0xd3d94067, 0x18000080, 0xd3d94068, 0x18000080, 0xd3d94069, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  132  	0xd3d9406a, 0x18000080, 0xd3d9406b, 0x18000080, 0xd3d9406c, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  133  	0xd3d9406d, 0x18000080, 0xd3d9406e, 0x18000080, 0xd3d9406f, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  134  	0xd3d94070, 0x18000080, 0xd3d94071, 0x18000080, 0xd3d94072, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  135  	0xd3d94073, 0x18000080, 0xd3d94074, 0x18000080, 0xd3d94075, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  136  	0xd3d94076, 0x18000080, 0xd3d94077, 0x18000080, 0xd3d94078, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  137  	0xd3d94079, 0x18000080, 0xd3d9407a, 0x18000080, 0xd3d9407b, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  138  	0xd3d9407c, 0x18000080, 0xd3d9407d, 0x18000080, 0xd3d9407e, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  139  	0xd3d9407f, 0x18000080, 0xd3d94080, 0x18000080, 0xd3d94081, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  140  	0xd3d94082, 0x18000080, 0xd3d94083, 0x18000080, 0xd3d94084, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  141  	0xd3d94085, 0x18000080, 0xd3d94086, 0x18000080, 0xd3d94087, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  142  	0xd3d94088, 0x18000080, 0xd3d94089, 0x18000080, 0xd3d9408a, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  143  	0xd3d9408b, 0x18000080, 0xd3d9408c, 0x18000080, 0xd3d9408d, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  144  	0xd3d9408e, 0x18000080, 0xd3d9408f, 0x18000080, 0xd3d94090, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  145  	0xd3d94091, 0x18000080, 0xd3d94092, 0x18000080, 0xd3d94093, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  146  	0xd3d94094, 0x18000080, 0xd3d94095, 0x18000080, 0xd3d94096, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  147  	0xd3d94097, 0x18000080, 0xd3d94098, 0x18000080, 0xd3d94099, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  148  	0xd3d9409a, 0x18000080, 0xd3d9409b, 0x18000080, 0xd3d9409c, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  149  	0xd3d9409d, 0x18000080, 0xd3d9409e, 0x18000080, 0xd3d9409f, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  150  	0xd3d940a0, 0x18000080, 0xd3d940a1, 0x18000080, 0xd3d940a2, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  151  	0xd3d940a3, 0x18000080, 0xd3d940a4, 0x18000080, 0xd3d940a5, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  152  	0xd3d940a6, 0x18000080, 0xd3d940a7, 0x18000080, 0xd3d940a8, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  153  	0xd3d940a9, 0x18000080, 0xd3d940aa, 0x18000080, 0xd3d940ab, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  154  	0xd3d940ac, 0x18000080, 0xd3d940ad, 0x18000080, 0xd3d940ae, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  155  	0xd3d940af, 0x18000080, 0xd3d940b0, 0x18000080, 0xd3d940b1, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  156  	0xd3d940b2, 0x18000080, 0xd3d940b3, 0x18000080, 0xd3d940b4, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  157  	0xd3d940b5, 0x18000080, 0xd3d940b6, 0x18000080, 0xd3d940b7, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  158  	0xd3d940b8, 0x18000080, 0xd3d940b9, 0x18000080, 0xd3d940ba, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  159  	0xd3d940bb, 0x18000080, 0xd3d940bc, 0x18000080, 0xd3d940bd, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  160  	0xd3d940be, 0x18000080, 0xd3d940bf, 0x18000080, 0xd3d940c0, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  161  	0xd3d940c1, 0x18000080, 0xd3d940c2, 0x18000080, 0xd3d940c3, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  162  	0xd3d940c4, 0x18000080, 0xd3d940c5, 0x18000080, 0xd3d940c6, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  163  	0xd3d940c7, 0x18000080, 0xd3d940c8, 0x18000080, 0xd3d940c9, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  164  	0xd3d940ca, 0x18000080, 0xd3d940cb, 0x18000080, 0xd3d940cc, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  165  	0xd3d940cd, 0x18000080, 0xd3d940ce, 0x18000080, 0xd3d940cf, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  166  	0xd3d940d0, 0x18000080, 0xd3d940d1, 0x18000080, 0xd3d940d2, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  167  	0xd3d940d3, 0x18000080, 0xd3d940d4, 0x18000080, 0xd3d940d5, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  168  	0xd3d940d6, 0x18000080, 0xd3d940d7, 0x18000080, 0xd3d940d8, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  169  	0xd3d940d9, 0x18000080, 0xd3d940da, 0x18000080, 0xd3d940db, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  170  	0xd3d940dc, 0x18000080, 0xd3d940dd, 0x18000080, 0xd3d940de, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  171  	0xd3d940df, 0x18000080, 0xd3d940e0, 0x18000080, 0xd3d940e1, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  172  	0xd3d940e2, 0x18000080, 0xd3d940e3, 0x18000080, 0xd3d940e4, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  173  	0xd3d940e5, 0x18000080, 0xd3d940e6, 0x18000080, 0xd3d940e7, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  174  	0xd3d940e8, 0x18000080, 0xd3d940e9, 0x18000080, 0xd3d940ea, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  175  	0xd3d940eb, 0x18000080, 0xd3d940ec, 0x18000080, 0xd3d940ed, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  176  	0xd3d940ee, 0x18000080, 0xd3d940ef, 0x18000080, 0xd3d940f0, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  177  	0xd3d940f1, 0x18000080, 0xd3d940f2, 0x18000080, 0xd3d940f3, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  178  	0xd3d940f4, 0x18000080, 0xd3d940f5, 0x18000080, 0xd3d940f6, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  179  	0xd3d940f7, 0x18000080, 0xd3d940f8, 0x18000080, 0xd3d940f9, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  180  	0xd3d940fa, 0x18000080, 0xd3d940fb, 0x18000080, 0xd3d940fc, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  181  	0xd3d940fd, 0x18000080, 0xd3d940fe, 0x18000080, 0xd3d940ff, 0x18000080,
0e0036c7d13b94 Dennis Li     2021-04-27  182  	0xb07c0000, 0xbe8a00ff, 0x000000f8, 0xbf11080a, 0x7e000280, 0x7e020280,
0e0036c7d13b94 Dennis Li     2021-04-27  183  	0x7e040280, 0x7e060280, 0x7e080280, 0x7e0a0280, 0x7e0c0280, 0x7e0e0280,
0e0036c7d13b94 Dennis Li     2021-04-27  184  	0x808a880a, 0xbe80320a, 0xbf84fff5, 0xbf9c0000, 0xd28c0001, 0x0001007f,
0e0036c7d13b94 Dennis Li     2021-04-27  185  	0xd28d0001, 0x0002027e, 0x10020288, 0xbe8b0004, 0xb78b4000, 0xd1196a01,
0e0036c7d13b94 Dennis Li     2021-04-27  186  	0x00001701, 0xbe8a0087, 0xbefc00c1, 0xd89c4000, 0x00020201, 0xd89cc080,
0e0036c7d13b94 Dennis Li     2021-04-27  187  	0x00040401, 0x320202ff, 0x00000800, 0x808a810a, 0xbf84fff8, 0xbf810000,
6effe779726738 Dennis Li     2021-04-21  188  };
6effe779726738 Dennis Li     2021-04-21  189  

:::::: The code at line 89 was first introduced by commit
:::::: 0e0036c7d13b945260ff1ce8377eca7ea877c008 drm/amdgpu: fix no full coverage issue for gprs initialization

:::::: TO: Dennis Li <Dennis.Li@xxxxxxx>
:::::: CC: Alex Deucher <alexander.deucher@xxxxxxx>

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

Attachment: .config.gz
Description: application/gzip


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