[Intel-gfx] [PATCH 1/2] drm/i915: Create a intel_encoder_find_connector helper function.

[kbuild test robot]

Hi Maarten,

[auto build test WARNING on drm-intel/for-linux-next]
[cannot apply to v4.8-rc3 next-20160823]
[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]

url:    https://github.com/0day-ci/linux/commits/Maarten-Lankhorst/drm-i915-Create-a-intel_encoder_find_connector-helper-function/20160823-222308
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x016-201634 (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 warnings (new ones prefixed by >>):

   drivers/gpu/drm/i915/intel_display.c: In function 'intel_sanitize_encoder':
>> drivers/gpu/drm/i915/intel_display.c:16539:21: warning: unused variable 'dev' [-Wunused-variable]
     struct drm_device *dev = encoder->base.dev;
                        ^~~

vim +/dev +16539 drivers/gpu/drm/i915/intel_display.c

a168f5b3f1 Ville Syrjälä     2016-08-05  16523  		 * We track the PCH trancoder underrun reporting state
a168f5b3f1 Ville Syrjälä     2016-08-05  16524  		 * within the crtc. With crtc for pipe A housing the underrun
a168f5b3f1 Ville Syrjälä     2016-08-05  16525  		 * reporting state for PCH transcoder A, crtc for pipe B housing
a168f5b3f1 Ville Syrjälä     2016-08-05  16526  		 * it for PCH transcoder B, etc. LPT-H has only PCH transcoder A,
a168f5b3f1 Ville Syrjälä     2016-08-05  16527  		 * and marking underrun reporting as disabled for the non-existing
a168f5b3f1 Ville Syrjälä     2016-08-05  16528  		 * PCH transcoders B and C would prevent enabling the south
a168f5b3f1 Ville Syrjälä     2016-08-05  16529  		 * error interrupt (see cpt_can_enable_serr_int()).
a168f5b3f1 Ville Syrjälä     2016-08-05  16530  		 */
a168f5b3f1 Ville Syrjälä     2016-08-05  16531  		if (has_pch_trancoder(dev_priv, (enum transcoder)crtc->pipe))
4cc3148930 Daniel Vetter     2014-03-24  16532  			crtc->pch_fifo_underrun_disabled = true;
4cc3148930 Daniel Vetter     2014-03-24  16533  	}
2492935248 Daniel Vetter     2012-07-02  16534  }
2492935248 Daniel Vetter     2012-07-02  16535  
2492935248 Daniel Vetter     2012-07-02  16536  static void intel_sanitize_encoder(struct intel_encoder *encoder)
2492935248 Daniel Vetter     2012-07-02  16537  {
2492935248 Daniel Vetter     2012-07-02  16538  	struct intel_connector *connector;
2492935248 Daniel Vetter     2012-07-02 @16539  	struct drm_device *dev = encoder->base.dev;
2492935248 Daniel Vetter     2012-07-02  16540  
2492935248 Daniel Vetter     2012-07-02  16541  	/* We need to check both for a crtc link (meaning that the
2492935248 Daniel Vetter     2012-07-02  16542  	 * encoder is active and trying to read from a pipe) and the
2492935248 Daniel Vetter     2012-07-02  16543  	 * pipe itself being active. */
2492935248 Daniel Vetter     2012-07-02  16544  	bool has_active_crtc = encoder->base.crtc &&
2492935248 Daniel Vetter     2012-07-02  16545  		to_intel_crtc(encoder->base.crtc)->active;
2492935248 Daniel Vetter     2012-07-02  16546  
d1b4131c19 Maarten Lankhorst 2016-08-23  16547  	connector = intel_encoder_find_connector(encoder);

:::::: The code at line 16539 was first introduced by commit
:::::: 24929352481f085c5f85d4d4cbc919ddf106d381 drm/i915: read out the modeset hw state at load and resume time

:::::: TO: Daniel Vetter <daniel.vetter at ffwll.ch>
:::::: CC: Daniel Vetter <daniel.vetter at ffwll.ch>

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