Hi Alex, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b90e90f40b4ff23c753126008bf4713a42353af6 commit: 582e2ce5b4ece37055c6ebe58ab48a4817d30b10 drm/amdgpu/display: FP fixes for DCN3.x (v4) date: 7 months ago config: powerpc-randconfig-r034-20210530 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project bc6799f2f79f0ae87e9f1ebf9d25ba799fbd25a9) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=582e2ce5b4ece37055c6ebe58ab48a4817d30b10 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 582e2ce5b4ece37055c6ebe58ab48a4817d30b10 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:244:2: note: expanded from macro 'HWSEQ_DCN2_REG_LIST' SR(MPC_CRC_RESULT_C), \ ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR' .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER' #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg ^ :57:1: note: expanded from here DCN_BASE__INST0_SEG3 ^ drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3' #define DCN_BASE__INST0_SEG3 0x00009000 ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:753:3: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] HWSEQ_DCN30_REG_LIST() ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:357:2: note: expanded from macro 'HWSEQ_DCN30_REG_LIST' SR(MPC_CRC_RESULT_AR), \ ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR' .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:244:19: note: expanded from macro 'BASE' #define BASE(seg) BASE_INNER(seg) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER' #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg ^ :51:1: note: expanded from here DCN_BASE__INST0_SEG3 ^ drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3' #define DCN_BASE__INST0_SEG3 0x00009000 ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:753:3: note: previous initialization is here HWSEQ_DCN30_REG_LIST() ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:341:2: note: expanded from macro 'HWSEQ_DCN30_REG_LIST' HWSEQ_DCN2_REG_LIST(),\ ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_hwseq.h:245:2: note: expanded from macro 'HWSEQ_DCN2_REG_LIST' SR(MPC_CRC_RESULT_AR), \ ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:247:15: note: expanded from macro 'SR' .reg_name = BASE(mm ## reg_name ## _BASE_IDX) + \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:242:25: note: expanded from macro 'BASE_INNER' #define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg ^ :61:1: note: expanded from here DCN_BASE__INST0_SEG3 ^ drivers/gpu/drm/amd/amdgpu/../include/sienna_cichlid_ip_offset.h:373:52: note: expanded from macro 'DCN_BASE__INST0_SEG3' #define DCN_BASE__INST0_SEG3 0x00009000 ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:875:6: warning: no previous prototype for function 'dcn30_dpp_destroy' [-Wmissing-prototypes] void dcn30_dpp_destroy(struct dpp **dpp) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:875:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dcn30_dpp_destroy(struct dpp **dpp) ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:992:16: warning: no previous prototype for function 'dcn30_hubbub_create' [-Wmissing-prototypes] struct hubbub *dcn30_hubbub_create(struct dc_context *ctx) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:992:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct hubbub *dcn30_hubbub_create(struct dc_context *ctx) ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1143:24: warning: no previous prototype for function 'dcn30_stream_encoder_create' [-Wmissing-prototypes] struct stream_encoder *dcn30_stream_encoder_create( ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1143:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct stream_encoder *dcn30_stream_encoder_create( ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1175:19: warning: no previous prototype for function 'dcn30_hwseq_create' [-Wmissing-prototypes] struct dce_hwseq *dcn30_hwseq_create( ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1175:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct dce_hwseq *dcn30_hwseq_create( ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here extern void enable_kernel_fp(void); ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1576:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here extern void enable_kernel_fp(void); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here static inline void disable_kernel_fp(void) ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: error: implicit declaration of function 'disable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:1578:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here static inline void disable_kernel_fp(void) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2401:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2401:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2403:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2403:2: error: implicit declaration of function 'disable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2463:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2463:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2465:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2465:2: error: implicit declaration of function 'disable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2537:4: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2537:4: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2540:4: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2540:4: error: implicit declaration of function 'disable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2644:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2644:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c:2923:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 116 warnings and 20 errors generated. -- In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:26: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/hw/dccg.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:32: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:30: In file included from include/linux/kgdb.h:18: In file included from include/linux/atomic.h:7: In file included from arch/powerpc/include/asm/atomic.h:11: In file included from arch/powerpc/include/asm/cmpxchg.h:8: In file included from include/linux/bug.h:5: In file included from arch/powerpc/include/asm/bug.h:109: In file included from include/asm-generic/bug.h:20: In file included from include/linux/kernel.h:12: In file included from include/linux/bitops.h:29: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ :309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:68:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here extern void enable_kernel_fp(void); ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:214:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:71:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ arch/powerpc/include/asm/switch_to.h:40:13: note: 'enable_kernel_fp' declared here extern void enable_kernel_fp(void); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here static inline void disable_kernel_fp(void) ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: error: implicit declaration of function 'disable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn30/dcn30_clk_mgr.c:216:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:82:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ arch/powerpc/include/asm/switch_to.h:44:20: note: 'disable_kernel_fp' declared here static inline void disable_kernel_fp(void) ^ 1 warning and 4 errors generated. vim +/enable_kernel_altivec +1576 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_resource.c 1572 1573 void dcn30_populate_dml_writeback_from_context( 1574 struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes) 1575 { > 1576 DC_FP_START(); 1577 dcn30_populate_dml_writeback_from_context_fp(dc, res_ctx, pipes); > 1578 DC_FP_END(); 1579 } 1580 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org