Hi Paulo,

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on next-20160119]
[cannot apply to v4.4]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improving the system]

url:    
https://github.com/0day-ci/linux/commits/Paulo-Zanoni/FBC-crtc-fb-locking-smaller-fixes/20160119-214108
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x011-01180513 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_display.c: In function 
'intel_plane_atomic_calc_changes':
>> drivers/gpu/drm/i915/intel_display.c:11811:27: warning: unused variable 
>> 'dev_priv' [-Wunused-variable]
     struct drm_i915_private *dev_priv = dev->dev_private;
                              ^

vim +/dev_priv +11811 drivers/gpu/drm/i915/intel_display.c

d21fbe87 Matt Roper        2015-09-24  11795    int src_w = 
drm_rect_width(&state->src) >> 16;
d21fbe87 Matt Roper        2015-09-24  11796    int src_h = 
drm_rect_height(&state->src) >> 16;
d21fbe87 Matt Roper        2015-09-24  11797    int dst_w = 
drm_rect_width(&state->dst);
d21fbe87 Matt Roper        2015-09-24  11798    int dst_h = 
drm_rect_height(&state->dst);
d21fbe87 Matt Roper        2015-09-24  11799  
d21fbe87 Matt Roper        2015-09-24  11800    return (src_w != dst_w || src_h 
!= dst_h);
d21fbe87 Matt Roper        2015-09-24  11801  }
d21fbe87 Matt Roper        2015-09-24  11802  
da20eabd Maarten Lankhorst 2015-06-15  11803  int 
intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
da20eabd Maarten Lankhorst 2015-06-15  11804                                
struct drm_plane_state *plane_state)
da20eabd Maarten Lankhorst 2015-06-15  11805  {
ab1d3a0e Maarten Lankhorst 2015-11-19  11806    struct intel_crtc_state 
*pipe_config = to_intel_crtc_state(crtc_state);
da20eabd Maarten Lankhorst 2015-06-15  11807    struct drm_crtc *crtc = 
crtc_state->crtc;
da20eabd Maarten Lankhorst 2015-06-15  11808    struct intel_crtc *intel_crtc = 
to_intel_crtc(crtc);
da20eabd Maarten Lankhorst 2015-06-15  11809    struct drm_plane *plane = 
plane_state->plane;
da20eabd Maarten Lankhorst 2015-06-15  11810    struct drm_device *dev = 
crtc->dev;
da20eabd Maarten Lankhorst 2015-06-15 @11811    struct drm_i915_private 
*dev_priv = dev->dev_private;
da20eabd Maarten Lankhorst 2015-06-15  11812    struct intel_plane_state 
*old_plane_state =
da20eabd Maarten Lankhorst 2015-06-15  11813            
to_intel_plane_state(plane->state);
da20eabd Maarten Lankhorst 2015-06-15  11814    int idx = 
intel_crtc->base.base.id, ret;
da20eabd Maarten Lankhorst 2015-06-15  11815    int i = drm_plane_index(plane);
da20eabd Maarten Lankhorst 2015-06-15  11816    bool mode_changed = 
needs_modeset(crtc_state);
da20eabd Maarten Lankhorst 2015-06-15  11817    bool was_crtc_enabled = 
crtc->state->active;
da20eabd Maarten Lankhorst 2015-06-15  11818    bool is_crtc_enabled = 
crtc_state->active;
da20eabd Maarten Lankhorst 2015-06-15  11819    bool turn_off, turn_on, 
visible, was_visible;

:::::: The code at line 11811 was first introduced by commit
:::::: da20eabd2c69761f9dfd849985eb299e3335531f drm/i915: Split plane updates 
of crtc->atomic into a helper, v2.

:::::: TO: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
:::::: CC: Daniel Vetter <daniel.vet...@ffwll.ch>

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

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