Hi Lyude, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.3-rc5 next-20230406] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Lyude-Paul/drm-nouveau-kms-Add-INHERIT-ioctl-to-nvkm-nvif-for-reading-IOR-state/20230408-062329 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230407222133.1425969-2-lyude%40redhat.com patch subject: [PATCH 2/2] drm/nouveau/kms: Add INHERIT ioctl to nvkm/nvif for reading IOR state config: arm64-buildonly-randconfig-r001-20230403 (https://download.01.org/0day-ci/archive/20230408/202304081129.AMXCmyn2-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/a3d963915cf6f2d87b57146f7bc57a6a89d90cf6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Lyude-Paul/drm-nouveau-kms-Add-INHERIT-ioctl-to-nvkm-nvif-for-reading-IOR-state/20230408-062329 git checkout a3d963915cf6f2d87b57146f7bc57a6a89d90cf6 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304081129.AMXCmyn2-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/nouveau/dispnv50/disp.c:2554:1: warning: no previous prototype for function 'nv50_display_read_hw_state' [-Wmissing-prototypes] nv50_display_read_hw_state(struct nouveau_drm *drm) ^ drivers/gpu/drm/nouveau/dispnv50/disp.c:2553:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void ^ static drivers/gpu/drm/nouveau/dispnv50/disp.c:2618:1: warning: no previous prototype for function 'nv50_display_create' [-Wmissing-prototypes] nv50_display_create(struct drm_device *dev) ^ drivers/gpu/drm/nouveau/dispnv50/disp.c:2617:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ^ static 2 warnings generated. vim +/nv50_display_read_hw_state +2554 drivers/gpu/drm/nouveau/dispnv50/disp.c 2551 2552 /* Read back the currently programmed display state */ 2553 void > 2554 nv50_display_read_hw_state(struct nouveau_drm *drm) 2555 { 2556 struct drm_device *dev = drm->dev; 2557 struct drm_encoder *encoder; 2558 struct drm_modeset_acquire_ctx ctx; 2559 struct nv50_disp *disp = nv50_disp(dev); 2560 int ret; 2561 2562 DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); 2563 2564 drm_for_each_encoder(encoder, dev) { 2565 if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) 2566 continue; 2567 2568 nv50_display_read_hw_or_state(dev, disp, nouveau_encoder(encoder)); 2569 } 2570 2571 DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); 2572 } 2573 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
