[Intel-gfx] [PATCH] drm/i915/fbc: FBC causes display flicker when VT-d is enabled on Skylake

[kbuild test robot]

Hi Chris,

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20160803]
[cannot apply to v4.7]
[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/Chris-Wilson/drm-i915-fbc-FBC-causes-display-flicker-when-VT-d-is-enabled-on-Skylake/20160804-001041
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x015-201631 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_fbc.c: In function 'intel_fbc_init':
>> drivers/gpu/drm/i915/intel_fbc.c:1273:3: error: implicit declaration of function 'mkwrite_intel_info' [-Werror=implicit-function-declaration]
      mkwrite_intel_info(dev_priv)->has_fbc = false;
      ^~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/intel_fbc.c:1273:31: error: invalid type argument of '->' (have 'int')
      mkwrite_intel_info(dev_priv)->has_fbc = false;
                                  ^~
   cc1: some warnings being treated as errors

vim +/mkwrite_intel_info +1273 drivers/gpu/drm/i915/intel_fbc.c

  1267		mutex_init(&fbc->lock);
  1268		fbc->enabled = false;
  1269		fbc->active = false;
  1270		fbc->work.scheduled = false;
  1271	
  1272		if (need_fbc_wa(dev_priv))
> 1273			mkwrite_intel_info(dev_priv)->has_fbc = false;
  1274	
  1275		i915.enable_fbc = intel_sanitize_fbc_option(dev_priv);
  1276		DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n", i915.enable_fbc);

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