[Intel-gfx] [PATCH 11/11] drm/i915: Kill the 830 MI_OVERLAY_OFF workaround

[kbuild test robot]

Hi Ville,

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20161208]
[cannot apply to v4.9-rc8]
[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/ville-syrjala-linux-intel-com/drm-i915-Overlay-fixes/20161208-060045
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a0-12081851 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_overlay.c: In function 'intel_overlay_off':
>> drivers/gpu/drm/i915/intel_overlay.c:409: warning: unused variable 'dev_priv'

vim +/dev_priv +409 drivers/gpu/drm/i915/intel_overlay.c

71f85de3 Ville Syrjälä 2016-12-07  393  		container_of(active, typeof(*overlay), last_flip);
18cb592b Ville Syrjälä 2016-12-07  394  	struct drm_i915_private *dev_priv = overlay->i915;
71f85de3 Ville Syrjälä 2016-12-07  395  
71f85de3 Ville Syrjälä 2016-12-07  396  	intel_overlay_release_old_vma(overlay);
03f77ea5 Daniel Vetter 2009-09-15  397  
b303cf95 Chris Wilson  2010-08-12  398  	overlay->crtc->overlay = NULL;
b303cf95 Chris Wilson  2010-08-12  399  	overlay->crtc = NULL;
209c2a5e Ville Syrjälä 2015-03-31  400  	overlay->active = false;
18cb592b Ville Syrjälä 2016-12-07  401  
18cb592b Ville Syrjälä 2016-12-07  402  	if (IS_I830(dev_priv))
18cb592b Ville Syrjälä 2016-12-07  403  		i830_overlay_clock_gating(dev_priv, true);
02e792fb Daniel Vetter 2009-09-15  404  }
02e792fb Daniel Vetter 2009-09-15  405  
02e792fb Daniel Vetter 2009-09-15  406  /* overlay needs to be disabled in OCMD reg */
ce453d81 Chris Wilson  2011-02-21  407  static int intel_overlay_off(struct intel_overlay *overlay)
02e792fb Daniel Vetter 2009-09-15  408  {
1ee8da6d Chris Wilson  2016-05-12 @409  	struct drm_i915_private *dev_priv = overlay->i915;
dad540ce John Harrison 2015-05-29  410  	struct drm_i915_gem_request *req;
7e37f889 Chris Wilson  2016-08-02  411  	struct intel_ring *ring;
8dc5d147 Chris Wilson  2010-08-12  412  	u32 flip_addr = overlay->flip_addr;
e1f99ce6 Chris Wilson  2010-10-27  413  	int ret;
02e792fb Daniel Vetter 2009-09-15  414  
77589f56 Ville Syrjälä 2015-03-31  415  	WARN_ON(!overlay->active);
02e792fb Daniel Vetter 2009-09-15  416  
02e792fb Daniel Vetter 2009-09-15  417  	/* According to intel docs the overlay hw may hang (when switching

:::::: The code at line 409 was first introduced by commit
:::::: 1ee8da6df17dc481948aa2d04005e87bc7d387a4 drm/i915: Convert intel_overlay.c to use native drm_i915_private pointers

:::::: TO: Chris Wilson <chris at chris-wilson.co.uk>
:::::: CC: Chris Wilson <chris at chris-wilson.co.uk>

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