Messages in this thread |  | | Date | Sun, 24 Apr 2022 08:41:16 +0800 | From | kernel test robot <> | Subject | [agd5f:drm-next 67/201] drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:618:6: warning: no previous prototype for function 'dcn31_set_low_power_state' |
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tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: a2443ef0a8046ca98868224ee9bd6861c17e4995 commit: 06bab5897c51e15d9a6b7ec11b1eacc4f2e1a145 [67/201] drm/amd/display: Power down hardware if timer not trigger config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220424/202204240845.twj3M5Ei-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 429cbac0390654f90bba18a41799464adf31a5ec) 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 remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git git fetch --no-tags agd5f drm-next git checkout 06bab5897c51e15d9a6b7ec11b1eacc4f2e1a145 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:49: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.h:30: In file included from drivers/gpu/drm/amd/amdgpu/../display/dmub/dmub_srv.h:67: drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:3049:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable] uint64_t temp; ^ >> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:618:6: warning: no previous prototype for function 'dcn31_set_low_power_state' [-Wmissing-prototypes] void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base) ^ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:618:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base) ^ static 2 warnings generated.
vim +/dcn31_set_low_power_state +618 drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
617 > 618 void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base) 619 { 620 int display_count; 621 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); 622 struct dc *dc = clk_mgr_base->ctx->dc; 623 struct dc_state *context = dc->current_state; 624 625 if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { 626 display_count = dcn31_get_active_display_cnt_wa(dc, context); 627 /* if we can go lower, go lower */ 628 if (display_count == 0) { 629 union display_idle_optimization_u idle_info = { 0 }; 630 631 idle_info.idle_info.df_request_disabled = 1; 632 idle_info.idle_info.phy_ref_clk_off = 1; 633 idle_info.idle_info.s0i2_rdy = 1; 634 dcn31_smu_set_display_idle_optimization(clk_mgr, idle_info.data); 635 /* update power state */ 636 clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; 637 } 638 } 639 } 640
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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