[PATCH v3 20/40] drm/i915: Define HDCP2.2 related variables

Tue Apr 3 20:27:56 UTC 2018

Hi Ramalingam,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20180403]
[cannot apply to v4.16]
[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/Ramalingam-C/drm-i915-Implement-HDCP2-2/20180404-031743
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x001-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   In file included from drivers/gpu//drm/i915/intel_drv.h:32:0,
                    from drivers/gpu//drm/i915/i915_trace.h:11,
                    from drivers/gpu//drm/i915/i915_drv.h:2919,
                    from drivers/gpu//drm/i915/i915_drv.c:49:
>> include/linux/mei_hdcp.h:148:12: error: 'mei_cldev_unregister_notify' defined but not used [-Werror=unused-function]
    static int mei_cldev_unregister_notify(struct notifier_block *nb)
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/mei_hdcp.h:144:12: error: 'mei_cldev_register_notify' defined but not used [-Werror=unused-function]
    static int mei_cldev_register_notify(struct notifier_block *nb)
               ^~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors

vim +/mei_cldev_unregister_notify +148 include/linux/mei_hdcp.h

3ce9e24eb Ramalingam C 2018-04-03  105  
ca998fc38 Ramalingam C 2018-04-03  106  #ifdef CONFIG_INTEL_MEI_HDCP
ca998fc38 Ramalingam C 2018-04-03  107  int mei_cldev_register_notify(struct notifier_block *nb);
ca998fc38 Ramalingam C 2018-04-03  108  int mei_cldev_unregister_notify(struct notifier_block *nb);
5240fee41 Ramalingam C 2018-04-03  109  int mei_initiate_hdcp2_session(struct mei_cl_device *cldev,
5240fee41 Ramalingam C 2018-04-03  110  			       struct mei_hdcp_data *data,
5240fee41 Ramalingam C 2018-04-03  111  			       struct hdcp2_ake_init *ake_data);
e33886f53 Ramalingam C 2018-04-03  112  int
e33886f53 Ramalingam C 2018-04-03  113  mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev,
e33886f53 Ramalingam C 2018-04-03  114  				    struct mei_hdcp_data *data,
e33886f53 Ramalingam C 2018-04-03  115  				    struct hdcp2_ake_send_cert *rx_cert,
e33886f53 Ramalingam C 2018-04-03  116  				    bool *km_stored,
e33886f53 Ramalingam C 2018-04-03  117  				    struct hdcp2_ake_no_stored_km *ek_pub_km,
e33886f53 Ramalingam C 2018-04-03  118  				    size_t *msg_sz);
a27b68fb5 Ramalingam C 2018-04-03  119  int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
a27b68fb5 Ramalingam C 2018-04-03  120  		      struct hdcp2_ake_send_hprime *rx_hprime);
dc86bde43 Ramalingam C 2018-04-03  121  int mei_store_pairing_info(struct mei_cl_device *cldev,
dc86bde43 Ramalingam C 2018-04-03  122  			   struct mei_hdcp_data *data,
dc86bde43 Ramalingam C 2018-04-03  123  			   struct hdcp2_ake_send_pairing_info *pairing_info);
67158470b Ramalingam C 2018-04-03  124  int mei_initiate_locality_check(struct mei_cl_device *cldev,
67158470b Ramalingam C 2018-04-03  125  				struct mei_hdcp_data *data,
67158470b Ramalingam C 2018-04-03  126  				struct hdcp2_lc_init *lc_init_data);
b10099c9a Ramalingam C 2018-04-03  127  int mei_verify_lprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
b10099c9a Ramalingam C 2018-04-03  128  		      struct hdcp2_lc_send_lprime *rx_lprime);
931c35709 Ramalingam C 2018-04-03  129  int mei_get_session_key(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
931c35709 Ramalingam C 2018-04-03  130  			struct hdcp2_ske_send_eks *ske_data);
654828e8b Ramalingam C 2018-04-03  131  int
654828e8b Ramalingam C 2018-04-03  132  mei_repeater_check_flow_prepare_ack(struct mei_cl_device *cldev,
654828e8b Ramalingam C 2018-04-03  133  				    struct mei_hdcp_data *data,
654828e8b Ramalingam C 2018-04-03  134  				    struct hdcp2_rep_send_receiverid_list
654828e8b Ramalingam C 2018-04-03  135  							*rep_topology,
654828e8b Ramalingam C 2018-04-03  136  				    struct hdcp2_rep_send_ack *rep_send_ack);
315c37225 Ramalingam C 2018-04-03  137  int mei_verify_mprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data,
315c37225 Ramalingam C 2018-04-03  138  		      struct hdcp2_rep_stream_ready *stream_ready);
702a0ad13 Ramalingam C 2018-04-03  139  int mei_enable_hdcp_authentication(struct mei_cl_device *cldev,
702a0ad13 Ramalingam C 2018-04-03  140  				   struct mei_hdcp_data *data);
015031e8d Ramalingam C 2018-04-03  141  int mei_close_hdcp_session(struct mei_cl_device *cldev,
015031e8d Ramalingam C 2018-04-03  142  			   struct mei_hdcp_data *data);
ca998fc38 Ramalingam C 2018-04-03  143  #else
ca998fc38 Ramalingam C 2018-04-03 @144  static int mei_cldev_register_notify(struct notifier_block *nb)
ca998fc38 Ramalingam C 2018-04-03  145  {
ca998fc38 Ramalingam C 2018-04-03  146  	return -ENODEV;
ca998fc38 Ramalingam C 2018-04-03  147  }
ca998fc38 Ramalingam C 2018-04-03 @148  static int mei_cldev_unregister_notify(struct notifier_block *nb)

:::::: The code at line 148 was first introduced by commit
:::::: ca998fc3888ec55e0039c23b61cbe2057cc5d7a9 misc/mei/hdcp: Notifier chain for mei cldev state change

:::::: TO: Ramalingam C <ramalingam.c at intel.com>
:::::: CC: 0day robot <fengguang.wu at intel.com>

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