[peterz-queue:x86/fpu 3/3] drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:450:19: warning: no previous prototype for 'dcn_bw_calc_rq_dlg_ttu'

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/fpu
head:   374556fa322885f3c7f60b8ca8d249b430c0342f
commit: 374556fa322885f3c7f60b8ca8d249b430c0342f [3/3] amdgpu/dc: Annotate __fpu
config: powerpc64-randconfig-r011-20210112 (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
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=374556fa322885f3c7f60b8ca8d249b430c0342f
        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 374556fa322885f3c7f60b8ca8d249b430c0342f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64 

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

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:450:13: error: expected ';' before 'void'
     450 | static __fpu void dcn_bw_calc_rq_dlg_ttu(
         |             ^~~~~
         |             ;
>> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:450:19: warning: no previous prototype for 'dcn_bw_calc_rq_dlg_ttu' [-Wmissing-prototypes]
     450 | 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:35,
                    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:68:3: error: implicit declaration of function 'enable_kernel_vsx'; did you mean 'enable_kernel_fp'? [-Werror=implicit-function-declaration]
      68 |   enable_kernel_vsx(); \
         |   ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:638:2: note: in expansion of macro 'DC_FP_START'
     638 |  DC_FP_START();
         |  ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:79:3: error: implicit declaration of function 'disable_kernel_vsx'; did you mean 'disable_kernel_fp'? [-Werror=implicit-function-declaration]
      79 |   disable_kernel_vsx(); \
         |   ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:674:2: note: in expansion of macro 'DC_FP_END'
     674 |  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:688:13: error: expected ';' before 'void'
     688 | static __fpu void hack_force_pipe_split(struct dcn_bw_internal_vars *v,
         |             ^~~~~
         |             ;
>> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:688:19: warning: no previous prototype for 'hack_force_pipe_split' [-Wmissing-prototypes]
     688 | static __fpu void hack_force_pipe_split(struct dcn_bw_internal_vars *v,
         |                   ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:737:14: warning: no previous prototype for 'get_highest_allowed_voltage_level' [-Wmissing-prototypes]
     737 | unsigned int get_highest_allowed_voltage_level(uint32_t chip_family, uint32_t hw_internal_rev, uint32_t pci_revision_id)
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:1424:6: error: expected ';' before 'unsigned'
    1424 | __fpu unsigned int dcn_find_dcfclk_suits_all(
         |      ^~~~~~~~~
         |      ;
   cc1: some warnings being treated as errors


vim +/dcn_bw_calc_rq_dlg_ttu +450 drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c

   449	
 > 450	static __fpu void dcn_bw_calc_rq_dlg_ttu(
   451			const struct dc *dc,
   452			const struct dcn_bw_internal_vars *v,
   453			struct pipe_ctx *pipe,
   454			int in_idx)
   455	{
   456		struct display_mode_lib *dml = (struct display_mode_lib *)(&dc->dml);
   457		struct _vcs_dpi_display_dlg_regs_st *dlg_regs = &pipe->dlg_regs;
   458		struct _vcs_dpi_display_ttu_regs_st *ttu_regs = &pipe->ttu_regs;
   459		struct _vcs_dpi_display_rq_regs_st *rq_regs = &pipe->rq_regs;
   460		struct _vcs_dpi_display_rq_params_st rq_param = {0};
   461		struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param = {0};
   462		struct _vcs_dpi_display_e2e_pipe_params_st input = { { { 0 } } };
   463		float total_active_bw = 0;
   464		float total_prefetch_bw = 0;
   465		int total_flip_bytes = 0;
   466		int i;
   467	
   468		memset(dlg_regs, 0, sizeof(*dlg_regs));
   469		memset(ttu_regs, 0, sizeof(*ttu_regs));
   470		memset(rq_regs, 0, sizeof(*rq_regs));
   471	
   472		for (i = 0; i < number_of_planes; i++) {
   473			total_active_bw += v->read_bandwidth[i];
   474			total_prefetch_bw += v->prefetch_bandwidth[i];
   475			total_flip_bytes += v->total_immediate_flip_bytes[i];
   476		}
   477		dlg_sys_param.total_flip_bw = v->return_bw - dcn_bw_max2(total_active_bw, total_prefetch_bw);
   478		if (dlg_sys_param.total_flip_bw < 0.0)
   479			dlg_sys_param.total_flip_bw = 0;
   480	
   481		dlg_sys_param.t_mclk_wm_us = v->dram_clock_change_watermark;
   482		dlg_sys_param.t_sr_wm_us = v->stutter_enter_plus_exit_watermark;
   483		dlg_sys_param.t_urg_wm_us = v->urgent_watermark;
   484		dlg_sys_param.t_extra_us = v->urgent_extra_latency;
   485		dlg_sys_param.deepsleep_dcfclk_mhz = v->dcf_clk_deep_sleep;
   486		dlg_sys_param.total_flip_bytes = total_flip_bytes;
   487	
   488		pipe_ctx_to_e2e_pipe_params(pipe, &input.pipe);
   489		input.clks_cfg.dcfclk_mhz = v->dcfclk;
   490		input.clks_cfg.dispclk_mhz = v->dispclk;
   491		input.clks_cfg.dppclk_mhz = v->dppclk;
   492		input.clks_cfg.refclk_mhz = dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000.0;
   493		input.clks_cfg.socclk_mhz = v->socclk;
   494		input.clks_cfg.voltage = v->voltage_level;
   495	//	dc->dml.logger = pool->base.logger;
   496		input.dout.output_format = (v->output_format[in_idx] == dcn_bw_420) ? dm_420 : dm_444;
   497		input.dout.output_type  = (v->output[in_idx] == dcn_bw_hdmi) ? dm_hdmi : dm_dp;
   498		//input[in_idx].dout.output_standard;
   499	
   500		/*todo: soc->sr_enter_plus_exit_time??*/
   501		dlg_sys_param.t_srx_delay_us = dc->dcn_ip->dcfclk_cstate_latency / v->dcf_clk_deep_sleep;
   502	
   503		dml1_rq_dlg_get_rq_params(dml, &rq_param, input.pipe.src);
   504		dml1_extract_rq_regs(dml, rq_regs, rq_param);
   505		dml1_rq_dlg_get_dlg_params(
   506				dml,
   507				dlg_regs,
   508				ttu_regs,
   509				rq_param.dlg,
   510				dlg_sys_param,
   511				input,
   512				true,
   513				true,
   514				v->pte_enable == dcn_bw_yes,
   515				pipe->plane_state->flip_immediate);
   516	}
   517	

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

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