drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: error: implicit declaration of function 'cpu_has_feature'; did you mean

From: kernel test robot
Date: Wed Jun 24 2020 - 10:28:25 EST

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@xxxxxxxxx>

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@xxxxxxxxxxxx

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