Hi Alastair,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.11-rc4 next-20170327]
[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/Alastair-Bridgewater/Enable-HDMI-Stereoscopy/20170328-090906
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: i386-randconfig-s0-201713 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/nouveau/nv50_display.c: In function 'nv50_head_atomic_check_view':
>> drivers/gpu/drm/nouveau/nv50_display.c:1995:2: error: implicit declaration of function 'drm_crtc_get_hv_timing' [-Werror=implicit-function-declaration]
     drm_crtc_get_hv_timing(omode, &omode_hdisplay, &omode_vdisplay);
     ^~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/drm_crtc_get_hv_timing +1995 drivers/gpu/drm/nouveau/nv50_display.c

  1989		umode_vdisplay = umode->vdisplay;
  1990		if ((umode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
  1991			umode_vdisplay += umode->vtotal;
  1992		asyh->view.iW = umode->hdisplay;
  1993		asyh->view.iH = umode_vdisplay;
  1994		/* For the ouput mode, we can just use the stock helper. */
> 1995		drm_crtc_get_hv_timing(omode, &omode_hdisplay, &omode_vdisplay);
  1996		asyh->view.oW = omode_hdisplay;
  1997		asyh->view.oH = omode_vdisplay;
  1998	

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0-DAY kernel test infrastructure                Open Source Technology Center
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