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Message-ID: <202006242227.jbQDXPj1%lkp@intel.com>
Date:   Wed, 24 Jun 2020 22:27:29 +0800
From:   kernel test robot <lkp@...el.com>
To:     Timothy Pearson <tpearson@...torengineering.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Alex Deucher <alexander.deucher@....com>
Subject: drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: error:
 implicit declaration of function 'cpu_has_feature'; did you mean

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3e08a95294a4fb3702bb3d35ed08028433c37fe6
commit: 16a9dea110a67d62401ffeac4828cabdedec7548 amdgpu: Enable initial DCN support on POWER
date:   6 months ago
config: powerpc-randconfig-r031-20200624 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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 checkout 16a9dea110a67d62401ffeac4828cabdedec7548
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:29,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:37,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:27:
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c: In function 'dcn_bw_apply_registry_override':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: error: implicit declaration of function 'cpu_has_feature'; did you mean 'mmu_has_feature'? [-Werror=implicit-function-declaration]
      62 |  if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
         |      ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: note: in expansion of macro 'DC_FP_START'
     626 |  DC_FP_START();
         |  ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:64:3: error: implicit declaration of function 'enable_kernel_vsx'; did you mean 'enable_kernel_fp'? [-Werror=implicit-function-declaration]
      64 |   enable_kernel_vsx(); \
         |   ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: note: in expansion of macro 'DC_FP_START'
     626 |  DC_FP_START();
         |  ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:75:3: error: implicit declaration of function 'disable_kernel_vsx'; did you mean 'disable_kernel_fp'? [-Werror=implicit-function-declaration]
      75 |   disable_kernel_vsx(); \
         |   ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:662:2: note: in expansion of macro 'DC_FP_END'
     662 |  DC_FP_END();
         |  ^~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:706:14: warning: no previous prototype for 'get_highest_allowed_voltage_level' [-Wmissing-prototypes]
     706 | unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev)
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/resource.h:28,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:32:
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
         |                      ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
     122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
     120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:37,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:27:
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +62 drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h

    52	
    53	#if defined(CONFIG_DRM_AMD_DC_DCN)
    54	#if defined(CONFIG_X86)
    55	#include <asm/fpu/api.h>
    56	#define DC_FP_START() kernel_fpu_begin()
    57	#define DC_FP_END() kernel_fpu_end()
    58	#elif defined(CONFIG_PPC64)
    59	#include <asm/switch_to.h>
    60	#include <asm/cputable.h>
    61	#define DC_FP_START() { \
  > 62		if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
    63			preempt_disable(); \
    64			enable_kernel_vsx(); \
    65		} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
    66			preempt_disable(); \
    67			enable_kernel_altivec(); \
    68		} else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
    69			preempt_disable(); \
    70			enable_kernel_fp(); \
    71		} \
    72	}
    73	#define DC_FP_END() { \
    74		if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
    75			disable_kernel_vsx(); \
    76			preempt_enable(); \
    77		} else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
    78			disable_kernel_altivec(); \
    79			preempt_enable(); \
    80		} else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
    81			disable_kernel_fp(); \
    82			preempt_enable(); \
    83		} \
    84	}
    85	#endif
    86	#endif
    87	

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

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