[Intel-gfx] [PATCH v4 1/4] drm/panel: Add helper for reading DT rotation

[kbuild test robot]

Hi Derek,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.2-rc7 next-20190702]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Derek-Basehore/Panel-rotation-patches/20190703-172146
config: s390-debug_defconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=s390 

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/drm_panel.o: In function `of_drm_get_panel_orientation':
>> (.text+0x190): multiple definition of `of_drm_get_panel_orientation'
   drivers/gpu/drm/bridge/panel.o:(.text+0x3f0): first defined here

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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