Re: [PATCH 5/5] drm/vkms: Map output framebuffer BOs with drm_gem_fb_vmap()

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Hi Thomas,

I love your patch! Yet something to improve:

[auto build test ERROR on 4d00e2309398147acdbfefbe1deb4b0e78868466]

url:    https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Provide-framebuffer-vmap-helpers/20210716-020508
base:   4d00e2309398147acdbfefbe1deb4b0e78868466
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 10.3.0
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/2369821ddd70d806874995047363a25d43229cfe
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Thomas-Zimmermann/drm-Provide-framebuffer-vmap-helpers/20210716-020508
        git checkout 2369821ddd70d806874995047363a25d43229cfe
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/vkms/vkms_output.c:3:
>> drivers/gpu/drm/vkms/vkms_drv.h:23:21: error: array type has incomplete element type 'struct dma_buf_map'
      23 |  struct dma_buf_map map[DRM_FORMAT_MAX_PLANES];
         |                     ^~~


vim +23 drivers/gpu/drm/vkms/vkms_drv.h

    21	
    22	struct vkms_writeback_job {
  > 23		struct dma_buf_map map[DRM_FORMAT_MAX_PLANES];
    24	};
    25	

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

Attachment: .config.gz
Description: application/gzip


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