From: kernel test robot <lkp@intel.com>
To: Paul Hsieh <paul.hsieh@amd.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org,
Alex Deucher <alexander.deucher@amd.com>,
Eric Yang <Eric.Yang2@amd.com>
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'
Date: Sun, 24 Apr 2022 08:41:16 +0800 [thread overview]
Message-ID: <202204240845.twj3M5Ei-lkp@intel.com> (raw)
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
reply other threads:[~2022-04-24 0:42 UTC|newest]
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