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X-IronPort-AV: E=McAfee;i="6200,9189,10220"; a="267312695" X-IronPort-AV: E=Sophos;i="5.88,272,1635231600"; d="scan'208";a="267312695" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2022 00:41:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,272,1635231600"; d="scan'208";a="514097113" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga007.jf.intel.com with ESMTP; 08 Jan 2022 00:41:45 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1n67IG-0000QE-Dx; Sat, 08 Jan 2022 08:41:44 +0000 Date: Sat, 8 Jan 2022 16:41:04 +0800 From: kernel test robot To: Evan Quan Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Alex Deucher , Lijo Lazar Subject: [agd5f:drm-next 20/53] drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:29:6: warning: no previous prototype for function 'amdgpu_dpm_get_active_displays' Message-ID: <202201081630.rt0Uku7J-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: ec1289d5cf9f8b8872ed8b9e57130d27938faccf commit: 855b49a8859f07dc29076c3a301888b39550c362 [20/53] drm/amd/pm: optimize the amdgpu_pm_compute_clocks() implementations config: x86_64-randconfig-a013-20220107 (https://download.01.org/0day-ci/archive/20220108/202201081630.rt0Uku7J-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f3a344d2125fa37e59bae1b0874442c650a19607) 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 855b49a8859f07dc29076c3a301888b39550c362 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:29:6: warning: no previous prototype for function 'amdgpu_dpm_get_active_displays' [-Wmissing-prototypes] void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev) ^ drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:29:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev) ^ static >> drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:76:5: warning: no previous prototype for function 'amdgpu_dpm_get_vrefresh' [-Wmissing-prototypes] u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev) ^ drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c:76:1: note: declare 'static' if the function is not intended to be used outside of this translation unit u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev) ^ static 2 warnings generated. vim +/amdgpu_dpm_get_active_displays +29 drivers/gpu/drm/amd/amdgpu/../pm/amdgpu_dpm_internal.c 28 > 29 void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev) 30 { 31 struct drm_device *ddev = adev_to_drm(adev); 32 struct drm_crtc *crtc; 33 struct amdgpu_crtc *amdgpu_crtc; 34 35 adev->pm.dpm.new_active_crtcs = 0; 36 adev->pm.dpm.new_active_crtc_count = 0; 37 if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { 38 list_for_each_entry(crtc, 39 &ddev->mode_config.crtc_list, head) { 40 amdgpu_crtc = to_amdgpu_crtc(crtc); 41 if (amdgpu_crtc->enabled) { 42 adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id); 43 adev->pm.dpm.new_active_crtc_count++; 44 } 45 } 46 } 47 } 48 49 u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev) 50 { 51 struct drm_device *dev = adev_to_drm(adev); 52 struct drm_crtc *crtc; 53 struct amdgpu_crtc *amdgpu_crtc; 54 u32 vblank_in_pixels; 55 u32 vblank_time_us = 0xffffffff; /* if the displays are off, vblank time is max */ 56 57 if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { 58 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { 59 amdgpu_crtc = to_amdgpu_crtc(crtc); 60 if (crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { 61 vblank_in_pixels = 62 amdgpu_crtc->hw_mode.crtc_htotal * 63 (amdgpu_crtc->hw_mode.crtc_vblank_end - 64 amdgpu_crtc->hw_mode.crtc_vdisplay + 65 (amdgpu_crtc->v_border * 2)); 66 67 vblank_time_us = vblank_in_pixels * 1000 / amdgpu_crtc->hw_mode.clock; 68 break; 69 } 70 } 71 } 72 73 return vblank_time_us; 74 } 75 > 76 u32 amdgpu_dpm_get_vrefresh(struct amdgpu_device *adev) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org