[PATCH] drm/qxl: unbind vgacon

[kbuild test robot]

Hi Gerd,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.0-rc4 next-20190221]
[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/Gerd-Hoffmann/drm-qxl-unbind-vgacon/20190222-030117
config: x86_64-randconfig-l3-02212045 (attached as .config)
compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> ERROR: "dummy_con" [drivers/gpu/drm/qxl/qxl.ko] undefined!
>> ERROR: "do_take_over_console" [drivers/gpu/drm/qxl/qxl.ko] undefined!

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