tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/fpu head: d14ab6cd6246ebbee31ec979f0f24ac656f37f4d commit: d14ab6cd6246ebbee31ec979f0f24ac656f37f4d [3/3] amdgpu/dc: Annotate __fpu config: powerpc-randconfig-r015-20200820 (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 d14ab6cd6246ebbee31ec979f0f24ac656f37f4d # 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(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 452 | static __fpu void dcn_bw_calc_rq_dlg_ttu( | ^~~~~ | ; 452 | static __fpu void dcn_bw_calc_rq_dlg_ttu( | ^~~~~~~~~~~~~~~~~~~~~~ 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: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:640:2: note: in expansion of macro 'DC_FP_START' 640 | DC_FP_START(); | ^~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:67:3: error: implicit declaration of function 'enable_kernel_altivec'; did you mean 'enable_kernel_fp'? [-Werror=implicit-function-declaration] 67 | enable_kernel_altivec(); \ | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:640:2: note: in expansion of macro 'DC_FP_START' 640 | 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:676:2: note: in expansion of macro 'DC_FP_END' 676 | DC_FP_END(); | ^~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:78:3: error: implicit declaration of function 'disable_kernel_altivec'; did you mean 'disable_kernel_fp'? [-Werror=implicit-function-declaration] 78 | disable_kernel_altivec(); \ | ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:676:2: note: in expansion of macro 'DC_FP_END' 676 | 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:690:13: error: expected ';' before 'void' 690 | static __fpu void hack_force_pipe_split(struct dcn_bw_internal_vars *v, | ^~~~~ | ; drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:690:19: warning: no previous prototype for 'hack_force_pipe_split' [-Wmissing-prototypes] 690 | static __fpu void hack_force_pipe_split(struct dcn_bw_internal_vars *v, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:739:14: warning: no previous prototype for 'get_highest_allowed_voltage_level' [-Wmissing-prototypes] 739 | unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev, uint32_t pci_revision_id) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1424 | __fpu unsigned int dcn_find_dcfclk_suits_all( | ^~~~~~~~~ | ; In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:86, 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/dc/inc/hw/dpp.h:50:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=] 50 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = { | ^~~~~~~~~~~~~~~~~~~~ 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 # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue x86/fpu git checkout d14ab6cd6246ebbee31ec979f0f24ac656f37f4d vim +/dcn_bw_calc_rq_dlg_ttu +452 drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c 451 453 const struct dc *dc, 454 const struct dcn_bw_internal_vars *v, 455 struct pipe_ctx *pipe, 456 int in_idx) 457 { 458 struct display_mode_lib *dml = (struct display_mode_lib *)(&dc->dml); 459 struct _vcs_dpi_display_dlg_regs_st *dlg_regs = &pipe->dlg_regs; 460 struct _vcs_dpi_display_ttu_regs_st *ttu_regs = &pipe->ttu_regs; 461 struct _vcs_dpi_display_rq_regs_st *rq_regs = &pipe->rq_regs; 462 struct _vcs_dpi_display_rq_params_st rq_param = {0}; 463 struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0}; 464 struct _vcs_dpi_display_e2e_pipe_params_st input = { { { 0 } } }; 465 float total_active_bw = 0; 466 float total_prefetch_bw = 0; 467 int total_flip_bytes = 0; 468 int i; 469 470 memset(dlg_regs, 0, sizeof(*dlg_regs)); 471 memset(ttu_regs, 0, sizeof(*ttu_regs)); 472 memset(rq_regs, 0, sizeof(*rq_regs)); 473 474 for (i = 0; i < number_of_planes; i++) { 475 total_active_bw += v->read_bandwidth[i]; 476 total_prefetch_bw += v->prefetch_bandwidth[i]; 477 total_flip_bytes += v->total_immediate_flip_bytes[i]; 478 } 479 dlg_sys_param.total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw); 480 if (dlg_sys_param.total_flip_bw < 0.0) 481 dlg_sys_param.total_flip_bw = 0; 482 483 dlg_sys_param.t_mclk_wm_us = v->dram_clock_change_watermark; 484 dlg_sys_param.t_sr_wm_us = v->stutter_enter_plus_exit_watermark; 485 dlg_sys_param.t_urg_wm_us = v->urgent_watermark; 486 dlg_sys_param.t_extra_us = v->urgent_extra_latency; 487 dlg_sys_param.deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep; 488 dlg_sys_param.total_flip_bytes = total_flip_bytes; 489 490 pipe_ctx_to_e2e_pipe_params(pipe, &input.pipe); 491 input.clks_cfg.dcfclk_mhz = v->dcfclk; 492 input.clks_cfg.dispclk_mhz = v->dispclk; 493 input.clks_cfg.dppclk_mhz = v->dppclk; 494 input.clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0; 495 input.clks_cfg.socclk_mhz = v->socclk; 496 input.clks_cfg.voltage = v->voltage_level; 497 // dc->dml.logger = pool->base.logger; 498 input.dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444; 499 input.dout.output_type = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp; 500 //input[in_idx].dout.output_standard; 501 502 /*todo: soc->sr_enter_plus_exit_time??*/ 503 dlg_sys_param.t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep; 504 505 dml1_rq_dlg_get_rq_params(dml, &rq_param, input.pipe.src); 506 dml1_extract_rq_regs(dml, rq_regs, rq_param); 507 dml1_rq_dlg_get_dlg_params( 508 dml, 509 dlg_regs, 510 ttu_regs, 511 rq_param.dlg, 512 dlg_sys_param, 513 input, 514 true, 515 true, 516 v->pte_enable == dcn_bw_yes, 517 pipe->plane_state->flip_immediate); 518 } 519 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org