Re: [v4, PATCH] drm/mediatek: add dma buffer control for drm plane disable

[kernel test robot <lkp@intel.com>]

Hi Yongqiang,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.4 next-20230704]
[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/Yongqiang-Niu/drm-mediatek-add-dma-buffer-control-for-drm-plane-disable/20230704-170623
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20230704090432.5844-1-yongqiang.niu%40mediatek.com
patch subject: [v4, PATCH] drm/mediatek: add dma buffer control for drm plane disable
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20230705/202307050325.QZv71se7-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230705/202307050325.QZv71se7-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307050325.QZv71se7-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: module mediatek-drm uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.

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