[linux-next:master 5279/9522] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c:61:17: error: implicit declaration of function 'enable_kernel_altivec'; did you mean 'enable_kernel_vsx'?

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   86ed57fd8c93fdfaabb4f58e78455180fa7d8a84
commit: 96ee63730fa30614e943ac352ef772be49a712d9 [5279/9522] drm/amd/display: Add control mechanism for FPU
config: powerpc64-randconfig-r004-20210820 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
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=96ee63730fa30614e943ac352ef772be49a712d9
        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 96ee63730fa30614e943ac352ef772be49a712d9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c: In function 'dc_fpu_begin':
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c:61:17: error: implicit declaration of function 'enable_kernel_altivec'; did you mean 'enable_kernel_vsx'? [-Werror=implicit-function-declaration]
      61 |                 enable_kernel_altivec();
         |                 ^~~~~~~~~~~~~~~~~~~~~
         |                 enable_kernel_vsx
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c: In function 'dc_fpu_end':
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c:89:17: error: implicit declaration of function 'disable_kernel_altivec'; did you mean 'disable_kernel_vsx'? [-Werror=implicit-function-declaration]
      89 |                 disable_kernel_altivec();
         |                 ^~~~~~~~~~~~~~~~~~~~~~
         |                 disable_kernel_vsx
   cc1: some warnings being treated as errors


vim +61 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/dc_fpu.c

    35	
    36	/**
    37	 * dc_fpu_begin - Enables FPU protection
    38	 * @function_name: A string containing the function name for debug purposes
    39	 *   (usually __func__)
    40	 *
    41	 * @line: A line number where DC_FP_START was invoked for debug purpose
    42	 *   (usually __LINE__)
    43	 *
    44	 * This function is responsible for managing the use of kernel_fpu_begin() with
    45	 * the advantage of providing an event trace for debugging.
    46	 *
    47	 * Note: Do not call this function directly; always use DC_FP_START().
    48	 */
    49	void dc_fpu_begin(const char *function_name, const int line)
    50	{
    51		TRACE_DCN_FPU(true, function_name, line);
    52	
    53	#if defined(CONFIG_X86)
    54		kernel_fpu_begin();
    55	#elif defined(CONFIG_PPC64)
    56		if (cpu_has_feature(CPU_FTR_VSX_COMP)) {
    57			preempt_disable();
    58			enable_kernel_vsx();
    59		} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) {
    60			preempt_disable();
  > 61			enable_kernel_altivec();
    62		} else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) {
    63			preempt_disable();
    64			enable_kernel_fp();
    65		}
    66	#endif
    67	}
    68	
    69	/**
    70	 * dc_fpu_end - Disable FPU protection
    71	 * @function_name: A string containing the function name for debug purposes
    72	 * @line: A-line number where DC_FP_END was invoked for debug purpose
    73	 *
    74	 * This function is responsible for managing the use of kernel_fpu_end() with
    75	 * the advantage of providing an event trace for debugging.
    76	 *
    77	 * Note: Do not call this function directly; always use DC_FP_END().
    78	 */
    79	void dc_fpu_end(const char *function_name, const int line)
    80	{
    81		TRACE_DCN_FPU(false, function_name, line);
    82	#if defined(CONFIG_X86)
    83		kernel_fpu_end();
    84	#elif defined(CONFIG_PPC64)
    85		if (cpu_has_feature(CPU_FTR_VSX_COMP)) {
    86			disable_kernel_vsx();
    87			preempt_enable();
    88		} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) {
  > 89			disable_kernel_altivec();

---
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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