[drm-tip:drm-tip 711/734] drivers/gpu/drm/rcar-du/rcar_du_vsp.c:317:6: error: 'struct rcar_du_vsp_plane_state' has no member named 'alpha'

[kbuild test robot <lkp@xxxxxxxxx>]

tree:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
head:   c03987223c762e4a61142f0a9be6027bb181cdfa
commit: 9037d4b98b255979c6636045794775f5a89cc623 [711/734] Merge branch 'drm/du/next' of git://linuxtv.org/pinchartl/media into drm-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 9037d4b98b255979c6636045794775f5a89cc623
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/rcar-du/rcar_du_vsp.c: In function 'rcar_du_vsp_plane_atomic_duplicate_state':
>> drivers/gpu/drm/rcar-du/rcar_du_vsp.c:317:6: error: 'struct rcar_du_vsp_plane_state' has no member named 'alpha'
     copy->alpha = to_rcar_vsp_plane_state(plane->state)->alpha;
         ^~
   drivers/gpu/drm/rcar-du/rcar_du_vsp.c:317:53: error: 'struct rcar_du_vsp_plane_state' has no member named 'alpha'
     copy->alpha = to_rcar_vsp_plane_state(plane->state)->alpha;
                                                        ^~

vim +317 drivers/gpu/drm/rcar-du/rcar_du_vsp.c

6d62ef3a Laurent Pinchart 2015-09-07  303  
6d62ef3a Laurent Pinchart 2015-09-07  304  static struct drm_plane_state *
6d62ef3a Laurent Pinchart 2015-09-07  305  rcar_du_vsp_plane_atomic_duplicate_state(struct drm_plane *plane)
6d62ef3a Laurent Pinchart 2015-09-07  306  {
6d62ef3a Laurent Pinchart 2015-09-07  307  	struct rcar_du_vsp_plane_state *copy;
6d62ef3a Laurent Pinchart 2015-09-07  308  
6d62ef3a Laurent Pinchart 2015-09-07  309  	if (WARN_ON(!plane->state))
6d62ef3a Laurent Pinchart 2015-09-07  310  		return NULL;
6d62ef3a Laurent Pinchart 2015-09-07  311  
75a07f39 Laurent Pinchart 2018-01-17  312  	copy = kzalloc(sizeof(*copy), GFP_KERNEL);
6d62ef3a Laurent Pinchart 2015-09-07  313  	if (copy == NULL)
6d62ef3a Laurent Pinchart 2015-09-07  314  		return NULL;
6d62ef3a Laurent Pinchart 2015-09-07  315  
6d62ef3a Laurent Pinchart 2015-09-07  316  	__drm_atomic_helper_plane_duplicate_state(plane, &copy->state);
75a07f39 Laurent Pinchart 2018-01-17 @317  	copy->alpha = to_rcar_vsp_plane_state(plane->state)->alpha;
6d62ef3a Laurent Pinchart 2015-09-07  318  
6d62ef3a Laurent Pinchart 2015-09-07  319  	return &copy->state;
6d62ef3a Laurent Pinchart 2015-09-07  320  }
6d62ef3a Laurent Pinchart 2015-09-07  321  

:::::: The code at line 317 was first introduced by commit
:::::: 75a07f399cd43bc7fb41a13723fbe04e61c5c470 drm: rcar-du: Zero-out sg_tables when duplicating plane state

:::::: TO: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
:::::: CC: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

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