Messages in this thread | | | Date | Tue, 20 Jul 2021 00:26:22 +0800 | From | kernel test robot <> | Subject | [linux-chenxing:mstar_v5_14_rebase 164/352] drivers/gpu/drm/mstar/mstar_dsi.c:779:6: warning: no previous prototype for 'mstar_dsi_ddp_start' |
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tree: git://github.com/linux-chenxing/linux.git mstar_v5_14_rebase head: 651efd0e52f225e60faa8b30f9768021e2104d3c commit: dcdeaae572eb7cde9548e66ebfb3b38719b26a68 [164/352] drm: mstar: dsi config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 10.3.0 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/linux-chenxing/linux/commit/dcdeaae572eb7cde9548e66ebfb3b38719b26a68 git remote add linux-chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags linux-chenxing mstar_v5_14_rebase git checkout dcdeaae572eb7cde9548e66ebfb3b38719b26a68 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64
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 >>):
drivers/gpu/drm/mstar/mstar_dsi.c: In function 'mstar_dsi_bridge_disable': drivers/gpu/drm/mstar/mstar_dsi.c:760:20: warning: unused variable 'dsi' [-Wunused-variable] 760 | struct mstar_dsi *dsi = bridge_to_dsi(bridge); | ^~~ drivers/gpu/drm/mstar/mstar_dsi.c: In function 'mstar_dsi_bridge_enable': drivers/gpu/drm/mstar/mstar_dsi.c:767:20: warning: unused variable 'dsi' [-Wunused-variable] 767 | struct mstar_dsi *dsi = bridge_to_dsi(bridge); | ^~~ drivers/gpu/drm/mstar/mstar_dsi.c: At top level: >> drivers/gpu/drm/mstar/mstar_dsi.c:779:6: warning: no previous prototype for 'mstar_dsi_ddp_start' [-Wmissing-prototypes] 779 | void mstar_dsi_ddp_start(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/mstar/mstar_dsi.c:786:6: warning: no previous prototype for 'mstar_dsi_ddp_stop' [-Wmissing-prototypes] 786 | void mstar_dsi_ddp_stop(struct device *dev) | ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/mstar/mstar_dsi.c:708:13: warning: 'mtk_output_dsi_enable' defined but not used [-Wunused-function] 708 | static void mtk_output_dsi_enable(struct mstar_dsi *dsi) | ^~~~~~~~~~~~~~~~~~~~~
vim +/mstar_dsi_ddp_start +779 drivers/gpu/drm/mstar/mstar_dsi.c
757 758 static void mstar_dsi_bridge_disable(struct drm_bridge *bridge) 759 { > 760 struct mstar_dsi *dsi = bridge_to_dsi(bridge); 761 762 //mtk_output_dsi_disable(dsi); 763 } 764 765 static void mstar_dsi_bridge_enable(struct drm_bridge *bridge) 766 { > 767 struct mstar_dsi *dsi = bridge_to_dsi(bridge); 768 769 //mtk_output_dsi_enable(dsi); 770 } 771 772 static const struct drm_bridge_funcs mstar_dsi_bridge_funcs = { 773 .attach = mstar_dsi_bridge_attach, 774 .disable = mstar_dsi_bridge_disable, 775 .enable = mstar_dsi_bridge_enable, 776 .mode_set = mstar_dsi_bridge_mode_set, 777 }; 778 > 779 void mstar_dsi_ddp_start(struct device *dev) 780 { 781 struct mstar_dsi *dsi = dev_get_drvdata(dev); 782 783 mstar_dsi_poweron(dsi); 784 } 785 > 786 void mstar_dsi_ddp_stop(struct device *dev) 787 { 788 struct mstar_dsi *dsi = dev_get_drvdata(dev); 789 790 mstar_dsi_poweroff(dsi); 791 } 792
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