Hi Shawn,

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on v4.8-rc7 next-20160916]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for 
convenience) to record what (public, well-known) commit your patch series was 
built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x008-201638 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_panel.c: In function 'lpt_enable_backlight':
>> drivers/gpu/drm/i915/intel_panel.c:855:23: error: 'struct <anonymous>' has 
>> no member named 'alternate_pwm_increment'
      if (panel->backlight.alternate_pwm_increment)
   drivers/gpu/drm/i915/intel_panel.c:862:23: error: 'struct <anonymous>' has 
no member named 'alternate_pwm_increment'
      if (panel->backlight.alternate_pwm_increment)

vim +855 drivers/gpu/drm/i915/intel_panel.c

   849                  pch_ctl1 &= ~BLM_PCH_PWM_ENABLE;
   850                  I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1);
   851          }
   853          if (HAS_PCH_LPT(dev_priv)) {
   854                  schicken = I915_READ(SOUTH_CHICKEN2);
 > 855                  if (panel->backlight.alternate_pwm_increment)
   856                          schicken |= LPT_PWM_GRANULARITY;
   857                  else
   858                          schicken &= ~LPT_PWM_GRANULARITY;

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

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