Messages in this thread |  | | Date | Sat, 2 Apr 2022 20:17:48 +0800 | From | kernel test robot <> | Subject | [agd5f:drm-next 67/96] drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:618:6: warning: no previous prototype for 'dcn31_set_low_power_state' |
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tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: e45422695c196dbc665a95526c85ff4b8752aff2 commit: 06bab5897c51e15d9a6b7ec11b1eacc4f2e1a145 [67/96] drm/amd/display: Power down hardware if timer not trigger config: powerpc64-randconfig-s032-20220402 (https://download.01.org/0day-ci/archive/20220402/202204022040.87CAsqVS-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty 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 to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc 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/dmub/dmub_srv.h:67, from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_dmub_srv.h:30, from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:49: drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending': drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:3049:26: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 3049 | uint64_t temp; | ^~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c: At top level: >> drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:618:6: warning: no previous prototype for 'dcn31_set_low_power_state' [-Wmissing-prototypes] 618 | void dcn31_set_low_power_state(struct clk_mgr *clk_mgr_base) | ^~~~~~~~~~~~~~~~~~~~~~~~~ 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/inc/hw/clk_mgr_internal.h:36, from drivers/gpu/drm/amd/amdgpu/../display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:29: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:129:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=] 129 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:126:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 126 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:125:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 125 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~
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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