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Thu, 31 Mar 2022 11:17:54 +0000 Date: Thu, 31 Mar 2022 19:17:26 +0800 From: kernel test robot To: John Stultz Cc: kbuild-all@lists.01.org, GNU/Weeb Mailing List , linux-kernel@vger.kernel.org, Todd Kjos , Xu YiPing Subject: [ammarfaizi2-block:google/android/kernel/common/android12-5.10-2022-01 1118/9999] drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c:33:6: warning: no previous prototype for 'dsi_set_output_client' Message-ID: <202203311955.w1yVgOkn-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://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.10-2022-01 head: 1a4c05014bbef75d3878daa66540412c500f697b commit: 34ebaf13befc0cd9274a190affbeae8e94f16ced [1118/9999] ANDROID: drm: kirin: Introduce kirin960 config: arm64-buildonly-randconfig-r005-20220331 (https://download.01.org/0day-ci/archive/20220331/202203311955.w1yVgOkn-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 # https://github.com/ammarfaizi2/linux-block/commit/34ebaf13befc0cd9274a190affbeae8e94f16ced git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.10-2022-01 git checkout 34ebaf13befc0cd9274a190affbeae8e94f16ced # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/hisilicon/kirin/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> cc1: warning: include/drm: No such file or directory [-Wmissing-include-dirs] -- >> cc1: warning: include/drm: No such file or directory [-Wmissing-include-dirs] >> drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c:33:6: warning: no previous prototype for 'dsi_set_output_client' [-Wmissing-prototypes] 33 | void dsi_set_output_client(struct drm_device *dev) | ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c:28: drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.h:39:35: warning: 'dphy_range_info' defined but not used [-Wunused-const-variable=] 39 | static const struct dsi_phy_range dphy_range_info[] = { | ^~~~~~~~~~~~~~~ vim +/dsi_set_output_client +33 drivers/gpu/drm/hisilicon/kirin/kirin_drm_dsi.c 32 > 33 void dsi_set_output_client(struct drm_device *dev) 34 { 35 enum dsi_output_client client; 36 struct drm_connector *connector; 37 struct drm_encoder *encoder; 38 struct drm_connector_list_iter conn_iter; 39 struct dw_dsi *dsi; 40 41 mutex_lock(&dev->mode_config.mutex); 42 43 /* find dsi encoder */ 44 drm_for_each_encoder(encoder, dev) 45 if (encoder->encoder_type == DRM_MODE_ENCODER_DSI) 46 break; 47 dsi = encoder_to_dsi(encoder); 48 49 /* find HDMI connector */ 50 drm_connector_list_iter_begin(dev, &conn_iter); 51 drm_for_each_connector_iter(connector, &conn_iter) 52 if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) 53 break; 54 drm_connector_list_iter_end(&conn_iter); 55 56 /* 57 * set the proper dsi output client 58 */ 59 client = connector->status == connector_status_connected ? OUT_HDMI : 60 OUT_PANEL; 61 if (client != dsi->cur_client) { 62 /* 63 * set the switch ic to select the HDMI or MIPI_DSI 64 */ 65 if (hisi_dsi_ops->version == KIRIN960_DSI) 66 gpiod_set_value_cansleep(dsi->gpio_mux, client); 67 68 dsi->cur_client = client; 69 /* let the userspace know panel connector status has changed */ 70 drm_sysfs_hotplug_event(dev); 71 DRM_INFO("client change to %s\n", 72 client == OUT_HDMI ? "HDMI" : "panel"); 73 } 74 75 mutex_unlock(&dev->mode_config.mutex); 76 } 77 EXPORT_SYMBOL_GPL(dsi_set_output_client); 78 /************************for the panel attach to dsi*****************************/ 79 static int dsi_connector_get_modes(struct drm_connector *connector) 80 { 81 struct dw_dsi *dsi = connector_to_dsi(connector); 82 83 return drm_panel_get_modes(dsi->panel, connector); 84 } 85 -- 0-DAY CI Kernel Test Service https://01.org/lkp