[intel-lts:4.19/android_s 3755/30000] drivers/gpu/drm/i915/intel_hdcp.c:772:5: warning: no previous declaration for 'intel_hdcp_enable'

[intel-lts:4.19/android_s 3755/30000] drivers/gpu/drm/i915/intel_hdcp.c:772:5: warning: no previous declaration for 'intel_hdcp_enable'

[kernel test robot]

tree:   https://github.com/intel/linux-intel-lts.git 4.19/android_s
head:   6bfae51123c09ed71d82cfc739c5ccbeac60c4aa
commit: a82c652f55df396b641e6812b7078e328bbae280 [3755/30000] drm/i915: Commit CP without modeset
config: i386-randconfig-013-20230907 (https://download.01.org/0day-ci/archive/20230907/202309070437.AW3gmtpg-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230907/202309070437.AW3gmtpg-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309070437.AW3gmtpg-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/intel_hdcp.c:772:5: warning: no previous declaration for 'intel_hdcp_enable' [-Wmissing-declarations]
    int intel_hdcp_enable(struct intel_connector *connector)
        ^~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/intel_hdcp.c:784:5: warning: no previous declaration for 'intel_hdcp_disable' [-Wmissing-declarations]
    int intel_hdcp_disable(struct intel_connector *connector)
        ^~~~~~~~~~~~~~~~~~


vim +/intel_hdcp_enable +772 drivers/gpu/drm/i915/intel_hdcp.c

ee5e5e7a5e0fde Sean Paul            2018-01-08  771  
ee5e5e7a5e0fde Sean Paul            2018-01-08 @772  int intel_hdcp_enable(struct intel_connector *connector)
ee5e5e7a5e0fde Sean Paul            2018-01-08  773  {
ee5e5e7a5e0fde Sean Paul            2018-01-08  774  	if (!connector->hdcp_shim)
ee5e5e7a5e0fde Sean Paul            2018-01-08  775  		return -ENOENT;
ee5e5e7a5e0fde Sean Paul            2018-01-08  776  
ee5e5e7a5e0fde Sean Paul            2018-01-08  777  	mutex_lock(&connector->hdcp_mutex);
c01ebc711af8f6 Romli, Khairul Anuar 2018-09-19  778  	schedule_work(&connector->hdcp_enable_work);
ee5e5e7a5e0fde Sean Paul            2018-01-08  779  	mutex_unlock(&connector->hdcp_mutex);
c01ebc711af8f6 Romli, Khairul Anuar 2018-09-19  780  
c01ebc711af8f6 Romli, Khairul Anuar 2018-09-19  781  	return 0;
ee5e5e7a5e0fde Sean Paul            2018-01-08  782  }
ee5e5e7a5e0fde Sean Paul            2018-01-08  783  
ee5e5e7a5e0fde Sean Paul            2018-01-08 @784  int intel_hdcp_disable(struct intel_connector *connector)
ee5e5e7a5e0fde Sean Paul            2018-01-08  785  {
01468d6c711a31 Sean Paul            2018-01-09  786  	int ret = 0;
ee5e5e7a5e0fde Sean Paul            2018-01-08  787  
ee5e5e7a5e0fde Sean Paul            2018-01-08  788  	if (!connector->hdcp_shim)
ee5e5e7a5e0fde Sean Paul            2018-01-08  789  		return -ENOENT;
ee5e5e7a5e0fde Sean Paul            2018-01-08  790  
ee5e5e7a5e0fde Sean Paul            2018-01-08  791  	mutex_lock(&connector->hdcp_mutex);
ee5e5e7a5e0fde Sean Paul            2018-01-08  792  
01468d6c711a31 Sean Paul            2018-01-09  793  	if (connector->hdcp_value != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
ee5e5e7a5e0fde Sean Paul            2018-01-08  794  		connector->hdcp_value = DRM_MODE_CONTENT_PROTECTION_UNDESIRED;
ee5e5e7a5e0fde Sean Paul            2018-01-08  795  		ret = _intel_hdcp_disable(connector);
01468d6c711a31 Sean Paul            2018-01-09  796  	}
ee5e5e7a5e0fde Sean Paul            2018-01-08  797  
ee5e5e7a5e0fde Sean Paul            2018-01-08  798  	mutex_unlock(&connector->hdcp_mutex);
ee5e5e7a5e0fde Sean Paul            2018-01-08  799  	cancel_delayed_work_sync(&connector->hdcp_check_work);
ee5e5e7a5e0fde Sean Paul            2018-01-08  800  	return ret;
ee5e5e7a5e0fde Sean Paul            2018-01-08  801  }
ee5e5e7a5e0fde Sean Paul            2018-01-08  802  

:::::: The code at line 772 was first introduced by commit
:::::: ee5e5e7a5e0fdeca5add8de6314b1f0a62604bdf drm/i915: Add HDCP framework + base implementation

:::::: TO: Sean Paul <seanpaul@chromium.org>
:::::: CC: Sean Paul <seanpaul@chromium.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki