tree: git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next head: 4e1b4dc4172af081c1feb211ed48b77a008aa054 commit: 4e1b4dc4172af081c1feb211ed48b77a008aa054 [1/1] drm/tegra: Remove checks for debugfs functions return value config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4e1b4dc4172af081c1feb211ed48b77a008aa054 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=arm64

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

All errors (new ones prefixed by >>):

...

drivers/gpu/drm/tegra/drm.c:858:18: error: initialization of 'int (*)(struct drm_minor *)' from incompatible pointer type 'void (*)(struct drm_minor *)' [-Werror=incompatible-pointer-types]

858 | .debugfs_init = tegra_debugfs_init, | ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/tegra/drm.c:858:18: note: (near initialization for 'tegra_drm_driver.debugfs_init') cc1: some warnings being treated as errors

vim +858 drivers/gpu/drm/tegra/drm.c

e450fcc6669705 drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-02-13 849 9b57f5f2c53e1f drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-11-08 850 static struct drm_driver tegra_drm_driver = { 0424fdaf883a68 drivers/gpu/drm/tegra/drm.c Daniel Vetter 2019-06-17 851 .driver_features = DRIVER_MODESET | DRIVER_GEM | 6c68b71776e760 drivers/gpu/drm/tegra/drm.c Thierry Reding 2017-08-15 852 DRIVER_ATOMIC | DRIVER_RENDER, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 853 .open = tegra_drm_open, bda0ecc45fe20b drivers/gpu/drm/tegra/drm.c Daniel Vetter 2017-05-08 854 .postclose = tegra_drm_postclose, c94bedabb3dd72 drivers/gpu/drm/tegra/drm.c Noralf Trønnes 2017-12-05 855 .lastclose = drm_fb_helper_lastclose, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 856 e450fcc6669705 drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-02-13 857 #if defined(CONFIG_DEBUG_FS) e450fcc6669705 drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-02-13 @858 .debugfs_init = tegra_debugfs_init, e450fcc6669705 drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-02-13 859 #endif e450fcc6669705 drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-02-13 860 1ddbdbd6e996c7 drivers/gpu/drm/tegra/drm.c Daniel Vetter 2016-04-26 861 .gem_free_object_unlocked = tegra_bo_free_object, de2ba664c30fcd drivers/gpu/host1x/drm/drm.c Arto Merilainen 2013-03-22 862 .gem_vm_ops = &tegra_bo_vm_ops, 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 863 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 864 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 865 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 866 .gem_prime_export = tegra_gem_prime_export, 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 867 .gem_prime_import = tegra_gem_prime_import, 3800391db1b22a drivers/gpu/drm/tegra/drm.c Thierry Reding 2013-12-12 868 de2ba664c30fcd drivers/gpu/host1x/drm/drm.c Arto Merilainen 2013-03-22 869 .dumb_create = tegra_bo_dumb_create, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 870 d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 871 .ioctls = tegra_drm_ioctls, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 872 .num_ioctls = ARRAY_SIZE(tegra_drm_ioctls), d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 873 .fops = &tegra_drm_fops, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 874 d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 875 .name = DRIVER_NAME, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 876 .desc = DRIVER_DESC, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 877 .date = DRIVER_DATE, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 878 .major = DRIVER_MAJOR, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 879 .minor = DRIVER_MINOR, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 880 .patchlevel = DRIVER_PATCHLEVEL, d8f4a9eda00678 drivers/gpu/drm/tegra/drm.c Thierry Reding 2012-11-15 881 }; 776dc38403676f drivers/gpu/host1x/drm/drm.c Thierry Reding 2013-10-14 882

:::::: The code at line 858 was first introduced by commit :::::: e450fcc6669705ef49784080ac6dd8513df37763 drm/tegra: Add list of framebuffers to debugfs

:::::: TO: Thierry Reding thierry.reding@avionic-design.de :::::: CC: Thierry Reding thierry.reding@avionic-design.de

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