[Intel-gfx] [drm-tip:drm-tip 8/11] drivers/gpu//drm/i915/intel_dsi.c:1673:13: error: unused variable 'plane'

[kbuild test robot]

tree:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
head:   da94f258bbf0786f7578d4804a77ce75cf58777f
commit: b41c97d7270b82207c5edc7c2d67337b15918462 [8/11] Merge remote-tracking branch 'drm-intel/drm-intel-next-queued' into drm-tip
config: x86_64-randconfig-x009-201749 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        git checkout b41c97d7270b82207c5edc7c2d67337b15918462
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu//drm/i915/intel_dsi.c: In function 'intel_dsi_get_panel_orientation':
   drivers/gpu//drm/i915/intel_dsi.c:1673:13: error: storage size of 'plane' isn't known
     enum plane plane;
                ^~~~~
>> drivers/gpu//drm/i915/intel_dsi.c:1673:13: error: unused variable 'plane' [-Werror=unused-variable]
   cc1: all warnings being treated as errors

vim +/plane +1673 drivers/gpu//drm/i915/intel_dsi.c

4e646495 Jani Nikula   2013-08-27  1668  
82daca29 Hans de Goede 2017-11-25  1669  static int intel_dsi_get_panel_orientation(struct intel_connector *connector)
82daca29 Hans de Goede 2017-11-25  1670  {
82daca29 Hans de Goede 2017-11-25  1671  	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
82daca29 Hans de Goede 2017-11-25  1672  	int orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;
82daca29 Hans de Goede 2017-11-25 @1673  	enum plane plane;
82daca29 Hans de Goede 2017-11-25  1674  	u32 val;
82daca29 Hans de Goede 2017-11-25  1675  
82daca29 Hans de Goede 2017-11-25  1676  	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
82daca29 Hans de Goede 2017-11-25  1677  		if (connector->encoder->crtc_mask == BIT(PIPE_B))
82daca29 Hans de Goede 2017-11-25  1678  			plane = PLANE_B;
82daca29 Hans de Goede 2017-11-25  1679  		else
82daca29 Hans de Goede 2017-11-25  1680  			plane = PLANE_A;
82daca29 Hans de Goede 2017-11-25  1681  
82daca29 Hans de Goede 2017-11-25  1682  		val = I915_READ(DSPCNTR(plane));
82daca29 Hans de Goede 2017-11-25  1683  		if (val & DISPPLANE_ROTATE_180)
82daca29 Hans de Goede 2017-11-25  1684  			orientation = DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP;
82daca29 Hans de Goede 2017-11-25  1685  	}
82daca29 Hans de Goede 2017-11-25  1686  
82daca29 Hans de Goede 2017-11-25  1687  	return orientation;
82daca29 Hans de Goede 2017-11-25  1688  }
82daca29 Hans de Goede 2017-11-25  1689  

:::::: The code at line 1673 was first introduced by commit
:::::: 82daca297506a93354a532f7a08654ef3a646924 drm/i915: Add "panel orientation" property to the panel connector, v6.

:::::: TO: Hans de Goede <j.w.r.degoede at gmail.com>
:::::: CC: Hans de Goede <hdegoede at redhat.com>

---
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