[PATCH -next v2 RESEND] drm/amd/display: Remove unused dcn35_fpga_funcs

kernel test robot lkp at intel.com
Fri Aug 23 03:23:12 UTC 2024


Hi Jinjie,

kernel test robot noticed the following build warnings:

[auto build test WARNING on next-20240821]

url:    https://github.com/intel-lab-lkp/linux/commits/Jinjie-Ruan/drm-amd-display-Remove-unused-dcn35_fpga_funcs/20240822-095139
base:   next-20240821
patch link:    https://lore.kernel.org/r/20240822015819.3356282-1-ruanjinjie%40huawei.com
patch subject: [PATCH -next v2 RESEND] drm/amd/display: Remove unused dcn35_fpga_funcs
config: x86_64-buildonly-randconfig-005-20240823 (https://download.01.org/0day-ci/archive/20240823/202408231105.BpoYpNK6-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240823/202408231105.BpoYpNK6-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408231105.BpoYpNK6-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c:989:13: warning: 'dcn35_update_clocks_fpga' defined but not used [-Wunused-function]
     989 | static void dcn35_update_clocks_fpga(struct clk_mgr *clk_mgr,
         |             ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c:982:13: warning: 'dcn35_init_clocks_fpga' defined but not used [-Wunused-function]
     982 | static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr)
         |             ^~~~~~~~~~~~~~~~~~~~~~


vim +/dcn35_update_clocks_fpga +989 drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c

93a66cef607cfe Sung Joon Kim 2023-08-18   981  
8774029f76b980 Qingqing Zhuo 2023-08-02  @982  static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr)
8774029f76b980 Qingqing Zhuo 2023-08-02   983  {
f2a905b01c6dcc Eric Yang     2024-01-16   984  	init_clk_states(clk_mgr);
8774029f76b980 Qingqing Zhuo 2023-08-02   985  
8774029f76b980 Qingqing Zhuo 2023-08-02   986  /* TODO: Implement the functions and remove the ifndef guard */
8774029f76b980 Qingqing Zhuo 2023-08-02   987  }
8774029f76b980 Qingqing Zhuo 2023-08-02   988  
8774029f76b980 Qingqing Zhuo 2023-08-02  @989  static void dcn35_update_clocks_fpga(struct clk_mgr *clk_mgr,
8774029f76b980 Qingqing Zhuo 2023-08-02   990  		struct dc_state *context,
8774029f76b980 Qingqing Zhuo 2023-08-02   991  		bool safe_to_lower)
8774029f76b980 Qingqing Zhuo 2023-08-02   992  {
8774029f76b980 Qingqing Zhuo 2023-08-02   993  	struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr);
8774029f76b980 Qingqing Zhuo 2023-08-02   994  	struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk;
8774029f76b980 Qingqing Zhuo 2023-08-02   995  	int fclk_adj = new_clocks->fclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02   996  
8774029f76b980 Qingqing Zhuo 2023-08-02   997  	/* TODO: remove this after correctly set by DML */
8774029f76b980 Qingqing Zhuo 2023-08-02   998  	new_clocks->dcfclk_khz = 400000;
8774029f76b980 Qingqing Zhuo 2023-08-02   999  	new_clocks->socclk_khz = 400000;
8774029f76b980 Qingqing Zhuo 2023-08-02  1000  
8774029f76b980 Qingqing Zhuo 2023-08-02  1001  	/* Min fclk = 1.2GHz since all the extra scemi logic seems to run off of it */
8774029f76b980 Qingqing Zhuo 2023-08-02  1002  	//int fclk_adj = new_clocks->fclk_khz > 1200000 ? new_clocks->fclk_khz : 1200000;
8774029f76b980 Qingqing Zhuo 2023-08-02  1003  	new_clocks->fclk_khz = 4320000;
8774029f76b980 Qingqing Zhuo 2023-08-02  1004  
8774029f76b980 Qingqing Zhuo 2023-08-02  1005  	if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr->clks.phyclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1006  		clk_mgr->clks.phyclk_khz = new_clocks->phyclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1007  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1008  
8774029f76b980 Qingqing Zhuo 2023-08-02  1009  	if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr->clks.dcfclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1010  		clk_mgr->clks.dcfclk_khz = new_clocks->dcfclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1011  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1012  
8774029f76b980 Qingqing Zhuo 2023-08-02  1013  	if (should_set_clock(safe_to_lower,
8774029f76b980 Qingqing Zhuo 2023-08-02  1014  			new_clocks->dcfclk_deep_sleep_khz, clk_mgr->clks.dcfclk_deep_sleep_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1015  		clk_mgr->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1016  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1017  
8774029f76b980 Qingqing Zhuo 2023-08-02  1018  	if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr->clks.socclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1019  		clk_mgr->clks.socclk_khz = new_clocks->socclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1020  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1021  
8774029f76b980 Qingqing Zhuo 2023-08-02  1022  	if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr->clks.dramclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1023  		clk_mgr->clks.dramclk_khz = new_clocks->dramclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1024  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1025  
8774029f76b980 Qingqing Zhuo 2023-08-02  1026  	if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->clks.dppclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1027  		clk_mgr->clks.dppclk_khz = new_clocks->dppclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1028  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1029  
8774029f76b980 Qingqing Zhuo 2023-08-02  1030  	if (should_set_clock(safe_to_lower, fclk_adj, clk_mgr->clks.fclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1031  		clk_mgr->clks.fclk_khz = fclk_adj;
8774029f76b980 Qingqing Zhuo 2023-08-02  1032  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1033  
8774029f76b980 Qingqing Zhuo 2023-08-02  1034  	if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr->clks.dispclk_khz)) {
8774029f76b980 Qingqing Zhuo 2023-08-02  1035  		clk_mgr->clks.dispclk_khz = new_clocks->dispclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1036  	}
8774029f76b980 Qingqing Zhuo 2023-08-02  1037  
8774029f76b980 Qingqing Zhuo 2023-08-02  1038  	/* Both fclk and ref_dppclk run on the same scemi clock.
8774029f76b980 Qingqing Zhuo 2023-08-02  1039  	 * So take the higher value since the DPP DTO is typically programmed
8774029f76b980 Qingqing Zhuo 2023-08-02  1040  	 * such that max dppclk is 1:1 with ref_dppclk.
8774029f76b980 Qingqing Zhuo 2023-08-02  1041  	 */
8774029f76b980 Qingqing Zhuo 2023-08-02  1042  	if (clk_mgr->clks.fclk_khz > clk_mgr->clks.dppclk_khz)
8774029f76b980 Qingqing Zhuo 2023-08-02  1043  		clk_mgr->clks.dppclk_khz = clk_mgr->clks.fclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1044  	if (clk_mgr->clks.dppclk_khz > clk_mgr->clks.fclk_khz)
8774029f76b980 Qingqing Zhuo 2023-08-02  1045  		clk_mgr->clks.fclk_khz = clk_mgr->clks.dppclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1046  
8774029f76b980 Qingqing Zhuo 2023-08-02  1047  	// Both fclk and ref_dppclk run on the same scemi clock.
8774029f76b980 Qingqing Zhuo 2023-08-02  1048  	clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz;
8774029f76b980 Qingqing Zhuo 2023-08-02  1049  
8774029f76b980 Qingqing Zhuo 2023-08-02  1050  	/* TODO: set dtbclk in correct place */
8774029f76b980 Qingqing Zhuo 2023-08-02  1051  	clk_mgr->clks.dtbclk_en = true;
8774029f76b980 Qingqing Zhuo 2023-08-02  1052  	dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks);
8774029f76b980 Qingqing Zhuo 2023-08-02  1053  	dcn35_update_clocks_update_dpp_dto(clk_mgr_int, context, safe_to_lower);
8774029f76b980 Qingqing Zhuo 2023-08-02  1054  
8774029f76b980 Qingqing Zhuo 2023-08-02  1055  	dcn35_update_clocks_update_dtb_dto(clk_mgr_int, context, clk_mgr->clks.ref_dtbclk_khz);
8774029f76b980 Qingqing Zhuo 2023-08-02  1056  }
8774029f76b980 Qingqing Zhuo 2023-08-02  1057  

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