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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202408231105.BpoYpNK6-lkp@xxxxxxxxx/ 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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
