Hi, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.7-rc5 next-20160701] [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/Manasi-Navare/drm-i915-intel_dp_check_link_status-should-only-return-status-of-link/20160702-124153 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-rhel (attached as .config) compiler: gcc-4.9 (Debian 4.9.3-14) 4.9.3 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/gpu/drm/i915/intel_dp.c: In function 'intel_dp_check_link_status': >> drivers/gpu/drm/i915/intel_dp.c:3872:24: warning: unused variable 'intel_encoder' [-Wunused-variable] struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base; ^ vim +/intel_encoder +3872 drivers/gpu/drm/i915/intel_dp.c 0e32b39c Dave Airlie 2014-05-02 3856 return ret; 0e32b39c Dave Airlie 2014-05-02 3857 } else { 0e32b39c Dave Airlie 2014-05-02 3858 struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); 0e32b39c Dave Airlie 2014-05-02 3859 DRM_DEBUG_KMS("failed to get ESI - device may have failed\n"); 0e32b39c Dave Airlie 2014-05-02 3860 intel_dp->is_mst = false; 0e32b39c Dave Airlie 2014-05-02 3861 drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr, intel_dp->is_mst); 0e32b39c Dave Airlie 2014-05-02 3862 /* send a hotplug event */ 0e32b39c Dave Airlie 2014-05-02 3863 drm_kms_helper_hotplug_event(intel_dig_port->base.base.dev); 0e32b39c Dave Airlie 2014-05-02 3864 } 0e32b39c Dave Airlie 2014-05-02 3865 } 0e32b39c Dave Airlie 2014-05-02 3866 return -EINVAL; 0e32b39c Dave Airlie 2014-05-02 3867 } 0e32b39c Dave Airlie 2014-05-02 3868 84fa171b Manasi Navare 2016-07-01 3869 static bool 5c9114d0 Shubhangi Shrivastava 2016-03-30 3870 intel_dp_check_link_status(struct intel_dp *intel_dp) 5c9114d0 Shubhangi Shrivastava 2016-03-30 3871 { 5c9114d0 Shubhangi Shrivastava 2016-03-30 @3872 struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base; 5c9114d0 Shubhangi Shrivastava 2016-03-30 3873 struct drm_device *dev = intel_dp_to_dev(intel_dp); 5c9114d0 Shubhangi Shrivastava 2016-03-30 3874 u8 link_status[DP_LINK_STATUS_SIZE]; 5c9114d0 Shubhangi Shrivastava 2016-03-30 3875 5c9114d0 Shubhangi Shrivastava 2016-03-30 3876 WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); 5c9114d0 Shubhangi Shrivastava 2016-03-30 3877 5c9114d0 Shubhangi Shrivastava 2016-03-30 3878 if (!intel_dp_get_link_status(intel_dp, link_status)) { 84fa171b Manasi Navare 2016-07-01 3879 DRM_DEBUG_KMS("Failed to get link status\n"); 84fa171b Manasi Navare 2016-07-01 3880 return false; :::::: The code at line 3872 was first introduced by commit :::::: 5c9114d0ced2f16d1bfeda650b4acf95159f4759 drm/i915: Reorganizing intel_dp_check_link_status :::::: TO: Shubhangi Shrivastava <shubhangi.shrivastava@xxxxxxxxx> :::::: CC: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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