Hi Thomas, I love your patch! Yet something to improve: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v6.3-rc4] [cannot apply to next-20230330] [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/Thomas-Zimmermann/drm-msm-Clear-aperture-ownership-outside-of-fbdev-code/20230330-154729 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230330074150.7637-7-tzimmermann%40suse.de patch subject: [PATCH 6/6] drm/msm: Implement fbdev emulation as in-kernel client config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230330/202303301856.zSmpwZjj-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/ec39cb11cf72fb01ada6fe51c7c572a31dcc805d git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Thomas-Zimmermann/drm-msm-Clear-aperture-ownership-outside-of-fbdev-code/20230330-154729 git checkout ec39cb11cf72fb01ada6fe51c7c572a31dcc805d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/ 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/202303301856.zSmpwZjj-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): drivers/gpu/drm/msm/msm_io_utils.c: In function '_msm_ioremap': >> drivers/gpu/drm/msm/msm_io_utils.c:72:15: error: implicit declaration of function 'devm_ioremap'; did you mean '_msm_ioremap'? [-Werror=implicit-function-declaration] 72 | ptr = devm_ioremap(&pdev->dev, res->start, size); | ^~~~~~~~~~~~ | _msm_ioremap >> drivers/gpu/drm/msm/msm_io_utils.c:72:13: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 72 | ptr = devm_ioremap(&pdev->dev, res->start, size); | ^ cc1: some warnings being treated as errors vim +72 drivers/gpu/drm/msm/msm_io_utils.c d89e5028346bd80 Dmitry Baryshkov 2022-01-20 51 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 52 static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name, d89e5028346bd80 Dmitry Baryshkov 2022-01-20 53 bool quiet, phys_addr_t *psize) d89e5028346bd80 Dmitry Baryshkov 2022-01-20 54 { d89e5028346bd80 Dmitry Baryshkov 2022-01-20 55 struct resource *res; d89e5028346bd80 Dmitry Baryshkov 2022-01-20 56 unsigned long size; d89e5028346bd80 Dmitry Baryshkov 2022-01-20 57 void __iomem *ptr; d89e5028346bd80 Dmitry Baryshkov 2022-01-20 58 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 59 if (name) d89e5028346bd80 Dmitry Baryshkov 2022-01-20 60 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 61 else d89e5028346bd80 Dmitry Baryshkov 2022-01-20 62 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 63 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 64 if (!res) { d89e5028346bd80 Dmitry Baryshkov 2022-01-20 65 if (!quiet) d89e5028346bd80 Dmitry Baryshkov 2022-01-20 66 DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 67 return ERR_PTR(-EINVAL); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 68 } d89e5028346bd80 Dmitry Baryshkov 2022-01-20 69 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 70 size = resource_size(res); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 71 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 @72 ptr = devm_ioremap(&pdev->dev, res->start, size); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 73 if (!ptr) { d89e5028346bd80 Dmitry Baryshkov 2022-01-20 74 if (!quiet) d89e5028346bd80 Dmitry Baryshkov 2022-01-20 75 DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", name); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 76 return ERR_PTR(-ENOMEM); d89e5028346bd80 Dmitry Baryshkov 2022-01-20 77 } d89e5028346bd80 Dmitry Baryshkov 2022-01-20 78 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 79 if (psize) d89e5028346bd80 Dmitry Baryshkov 2022-01-20 80 *psize = size; d89e5028346bd80 Dmitry Baryshkov 2022-01-20 81 d89e5028346bd80 Dmitry Baryshkov 2022-01-20 82 return ptr; d89e5028346bd80 Dmitry Baryshkov 2022-01-20 83 } d89e5028346bd80 Dmitry Baryshkov 2022-01-20 84 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests