[PATCH 2/2] drm/imx/lcdc: Implement DRM driver for imx21

[kernel test robot]

Hi "Uwe,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on shawnguo/for-next]
[also build test ERROR on robh/for-next pza/reset/next v5.17-rc1 next-20220128]
[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]

url:    https://github.com/0day-ci/linux/commits/Uwe-Kleine-K-nig/drm-imx-lcdc-drm-driver-for-imx21-25-27/20220128-190002
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20220129/202201290246.pin2pNs4-lkp@intel.com/config)
compiler: riscv64-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/0day-ci/linux/commit/cba99931972f752a7b3105a3697b0cda88fe54d4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Uwe-Kleine-K-nig/drm-imx-lcdc-drm-driver-for-imx21-25-27/20220128-190002
        git checkout cba99931972f752a7b3105a3697b0cda88fe54d4
        # 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=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

>> scripts/Makefile.build:44: drivers/gpu/drm/imx/imx21-lcdc/Makefile: No such file or directory
>> make[6]: *** No rule to make target 'drivers/gpu/drm/imx/imx21-lcdc/Makefile'.
   make[6]: Failed to remake makefile 'drivers/gpu/drm/imx/imx21-lcdc/Makefile'.


vim +44 scripts/Makefile.build

20a468b51325b3 Sam Ravnborg   2006-01-22  40  
2a691470345a00 Sam Ravnborg   2005-07-25  41  # The filename Kbuild has precedence over Makefile
db8c1a7b2ca25f Sam Ravnborg   2005-07-27  42  kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
0c53c8e6eb456c Sam Ravnborg   2007-10-14  43  kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
0c53c8e6eb456c Sam Ravnborg   2007-10-14 @44  include $(kbuild-file)
^1da177e4c3f41 Linus Torvalds 2005-04-16  45  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org