Hi Hans,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.15-rc1 next-20171128]
[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/Hans-de-Goede/drm-fbdev-Panel-orientation-connector-property-support/20171128-225025
config: x86_64-randconfig-x012-201748 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        # 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:1672:21: error: storage size of 'plane' 
isn't known
     enum i9xx_plane_id plane;
                        ^~~~~
>> drivers/gpu/drm/i915/intel_dsi.c:1672:21: error: unused variable 'plane' 
>> [-Werror=unused-variable]
   cc1: all warnings being treated as errors

vim +/plane +1672 drivers/gpu/drm/i915/intel_dsi.c

  1667  
  1668  static int intel_dsi_get_panel_orientation(struct intel_connector 
*connector)
  1669  {
  1670          struct drm_i915_private *dev_priv = 
to_i915(connector->base.dev);
  1671          int orientation = DRM_MODE_PANEL_ORIENTATION_NORMAL;
> 1672          enum i9xx_plane_id plane;
  1673          u32 val;
  1674  
  1675          if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
  1676                  if (connector->encoder->crtc_mask == BIT(PIPE_B))
  1677                          plane = PLANE_B;
  1678                  else
  1679                          plane = PLANE_A;
  1680  
  1681                  val = I915_READ(DSPCNTR(plane));
  1682                  if (val & DISPPLANE_ROTATE_180)
  1683                          orientation = 
DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP;
  1684          }
  1685  
  1686          return orientation;
  1687  }
  1688  

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

Attachment: .config.gz
Description: application/gzip

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