[Intel-gfx] [drm-intel:drm-intel-nightly 1/9] drivers/gpu/drm/i915/intel_runtime_pm.c:510:13: error: redefinition of 'gen9_write_dc_state'

[kbuild test robot]

tree:   git://anongit.freedesktop.org/drm-intel drm-intel-nightly
head:   f49783f8d8ee8d80539c7c2cf3c64f0dc6c230c6
commit: e71a6789aadcab1dc6c0180b52f59b901ca099f4 [1/9] Merge remote-tracking branch 'origin/drm-intel-next-queued' into drm-intel-nightly
config: x86_64-rhel (attached as .config)
reproduce:
        git checkout e71a6789aadcab1dc6c0180b52f59b901ca099f4
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/intel_runtime_pm.c:510:13: error: redefinition of 'gen9_write_dc_state'
    static void gen9_write_dc_state(struct drm_i915_private *dev_priv,
                ^
   drivers/gpu/drm/i915/intel_runtime_pm.c:473:13: note: previous definition of 'gen9_write_dc_state' was here
    static void gen9_write_dc_state(struct drm_i915_private *dev_priv,
                ^
   drivers/gpu/drm/i915/intel_runtime_pm.c:473:13: warning: 'gen9_write_dc_state' defined but not used [-Wunused-function]

vim +/gen9_write_dc_state +510 drivers/gpu/drm/i915/intel_runtime_pm.c

779cb5d3 Mika Kuoppala    2016-02-18  494  		} else if (rereads++ > 5) {
779cb5d3 Mika Kuoppala    2016-02-18  495  			break;
4deccbb2 Patrik Jakobsson 2015-11-09  496  		}
779cb5d3 Mika Kuoppala    2016-02-18  497  
779cb5d3 Mika Kuoppala    2016-02-18  498  	} while (rewrites < 100);
e71a6789 Imre Deak        2016-03-07  499  
e71a6789 Imre Deak        2016-03-07  500  	if (v != state)
e71a6789 Imre Deak        2016-03-07  501  		DRM_ERROR("Writing dc state to 0x%x failed, now 0x%x\n",
e71a6789 Imre Deak        2016-03-07  502  			  state, v);
e71a6789 Imre Deak        2016-03-07  503  
e71a6789 Imre Deak        2016-03-07  504  	/* Most of the times we need one retry, avoid spam */
e71a6789 Imre Deak        2016-03-07  505  	if (rewrites > 1)
e71a6789 Imre Deak        2016-03-07  506  		DRM_DEBUG_KMS("Rewrote dc state to 0x%x %d times\n",
e71a6789 Imre Deak        2016-03-07  507  			      state, rewrites);
4deccbb2 Patrik Jakobsson 2015-11-09  508  }
4deccbb2 Patrik Jakobsson 2015-11-09  509  
9b18572e Mika Kuoppala    2016-02-18 @510  static void gen9_write_dc_state(struct drm_i915_private *dev_priv,
9b18572e Mika Kuoppala    2016-02-18  511  				u32 state)
9b18572e Mika Kuoppala    2016-02-18  512  {
9b18572e Mika Kuoppala    2016-02-18  513  	int rewrites = 0;
9b18572e Mika Kuoppala    2016-02-18  514  	int rereads = 0;
9b18572e Mika Kuoppala    2016-02-18  515  	u32 v;
9b18572e Mika Kuoppala    2016-02-18  516  
9b18572e Mika Kuoppala    2016-02-18  517  	I915_WRITE(DC_STATE_EN, state);
9b18572e Mika Kuoppala    2016-02-18  518  

:::::: The code at line 510 was first introduced by commit
:::::: 9b18572e83bfd5378b3fcff3acf123f7bddf558a drm/i915/gen9: Verify and enforce dc6 state writes

:::::: TO: Mika Kuoppala <mika.kuoppala at linux.intel.com>
:::::: CC: Jani Nikula <jani.nikula at intel.com>

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