tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/fpu head: e476cca1496d0f7f15ff57cceee4c33dea18677d commit: e476cca1496d0f7f15ff57cceee4c33dea18677d [4/4] amdgpu/dc: Annotate __fpu config: powerpc64-randconfig-r003-20200716 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ed6b578040a85977026c93bf4188f996148f3218) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu git checkout e476cca1496d0f7f15ff57cceee4c33dea18677d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): static __fpu void dcn_bw_calc_rq_dlg_ttu( ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: error: implicit declaration of function 'cpu_has_feature' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: note: expanded from macro 'DC_FP_START' if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: note: did you mean 'mmu_has_feature'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: note: expanded from macro 'DC_FP_START' if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ ^ arch/powerpc/include/asm/mmu.h:197:29: note: 'mmu_has_feature' declared here static __always_inline bool mmu_has_feature(unsigned long feature) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: 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:64:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:64:3: 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/calcs/dcn_calcs.c:626:2: 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:67:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:626:2: note: did you mean 'enable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:67:3: 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/calcs/dcn_calcs.c:662:2: error: implicit declaration of function 'cpu_has_feature' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:74:6: note: expanded from macro 'DC_FP_END' if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:662:2: error: implicit declaration of function 'disable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:75:3: note: expanded from macro 'DC_FP_END' disable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:662:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:75:3: 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/calcs/dcn_calcs.c:662:2: 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:78:3: note: expanded from macro 'DC_FP_END' disable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:662:2: note: did you mean 'disable_kernel_fp'? drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:78:3: 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/calcs/dcn_calcs.c:676:8: error: unknown type name '__fpu' static __fpu void hack_force_pipe_split(struct dcn_bw_internal_vars *v, ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:725:14: warning: no previous prototype for function 'get_highest_allowed_voltage_level' [-Wmissing-prototypes] unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev, uint32_t pci_revision_id) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:725:1: note: declare 'static' if the function is not intended to be used outside of this translation unit unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev, uint32_t pci_revision_id) ^ static drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:774:2: error: implicit declaration of function 'cpu_has_feature' [-Werror,-Wimplicit-function-declaration] DC_FP_START(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:62:6: note: expanded from macro 'DC_FP_START' if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:774:2: error: implicit declaration of function 'enable_kernel_vsx' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:64:3: note: expanded from macro 'DC_FP_START' enable_kernel_vsx(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:774:2: error: implicit declaration of function 'enable_kernel_altivec' [-Werror,-Wimplicit-function-declaration] drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:67:3: note: expanded from macro 'DC_FP_START' enable_kernel_altivec(); \ ^ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1307:2: error: implicit declaration of function 'cpu_has_feature' [-Werror,-Wimplicit-function-declaration] DC_FP_END(); ^ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:74:6: note: expanded from macro 'DC_FP_END' if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \ vim +/__fpu +438 drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c 437 439 const struct dc *dc, 440 const struct dcn_bw_internal_vars *v, 441 struct pipe_ctx *pipe, 442 int in_idx) 443 { 444 struct display_mode_lib *dml = (struct display_mode_lib *)(&dc->dml); 445 struct _vcs_dpi_display_dlg_regs_st *dlg_regs = &pipe->dlg_regs; 446 struct _vcs_dpi_display_ttu_regs_st *ttu_regs = &pipe->ttu_regs; 447 struct _vcs_dpi_display_rq_regs_st *rq_regs = &pipe->rq_regs; 448 struct _vcs_dpi_display_rq_params_st rq_param = {0}; 449 struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0}; 450 struct _vcs_dpi_display_e2e_pipe_params_st input = { { { 0 } } }; 451 float total_active_bw = 0; 452 float total_prefetch_bw = 0; 453 int total_flip_bytes = 0; 454 int i; 455 456 memset(dlg_regs, 0, sizeof(*dlg_regs)); 457 memset(ttu_regs, 0, sizeof(*ttu_regs)); 458 memset(rq_regs, 0, sizeof(*rq_regs)); 459 460 for (i = 0; i < number_of_planes; i++) { 461 total_active_bw += v->read_bandwidth[i]; 462 total_prefetch_bw += v->prefetch_bandwidth[i]; 463 total_flip_bytes += v->total_immediate_flip_bytes[i]; 464 } 465 dlg_sys_param.total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw); 466 if (dlg_sys_param.total_flip_bw < 0.0) 467 dlg_sys_param.total_flip_bw = 0; 468 469 dlg_sys_param.t_mclk_wm_us = v->dram_clock_change_watermark; 470 dlg_sys_param.t_sr_wm_us = v->stutter_enter_plus_exit_watermark; 471 dlg_sys_param.t_urg_wm_us = v->urgent_watermark; 472 dlg_sys_param.t_extra_us = v->urgent_extra_latency; 473 dlg_sys_param.deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep; 474 dlg_sys_param.total_flip_bytes = total_flip_bytes; 475 476 pipe_ctx_to_e2e_pipe_params(pipe, &input.pipe); 477 input.clks_cfg.dcfclk_mhz = v->dcfclk; 478 input.clks_cfg.dispclk_mhz = v->dispclk; 479 input.clks_cfg.dppclk_mhz = v->dppclk; 480 input.clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0; 481 input.clks_cfg.socclk_mhz = v->socclk; 482 input.clks_cfg.voltage = v->voltage_level; 483 // dc->dml.logger = pool->base.logger; 484 input.dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444; 485 input.dout.output_type = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp; 486 //input[in_idx].dout.output_standard; 487 488 /*todo: soc->sr_enter_plus_exit_time??*/ 489 dlg_sys_param.t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep; 490 491 dml1_rq_dlg_get_rq_params(dml, &rq_param, input.pipe.src); 492 dml1_extract_rq_regs(dml, rq_regs, rq_param); 493 dml1_rq_dlg_get_dlg_params( 494 dml, 495 dlg_regs, 496 ttu_regs, 497 rq_param.dlg, 498 dlg_sys_param, 499 input, 500 true, 501 true, 502 v->pte_enable == dcn_bw_yes, 503 pipe->plane_state->flip_immediate); 504 } 505 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org