Hi Suraj,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on drm-intel/for-linux-next 
drm-intel/for-linux-next-fixes drm-tip/drm-tip v6.13-rc3 next-20241220]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    
https://github.com/intel-lab-lkp/linux/commits/Suraj-Kandpal/drm-dp-Add-the-DPCD-register-required-for-Extended-wake-timeout/20241213-140525
base:   linus/master
patch link:    
https://lore.kernel.org/r/20241213060317.2674290-3-suraj.kandpal%40intel.com
patch subject: [PATCH 2/2] drm/i915/lttpr: Enable Extended Wake Timeout
config: i386-randconfig-013-20241220 
(https://download.01.org/0day-ci/archive/20241221/202412210137.vrbjlttz-...@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20241221/202412210137.vrbjlttz-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202412210137.vrbjlttz-...@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/display/intel_dp_link_training.c: In function 
'intel_dp_lttpr_wake_timeout_setup':
>> drivers/gpu/drm/i915/display/intel_dp_link_training.c:148:69: error: 
>> initialized field overwritten [-Werror=override-init]
     148 |                         [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_20_MS] = 
20,
         |                                                                     
^~
   drivers/gpu/drm/i915/display/intel_dp_link_training.c:148:69: note: (near 
initialization for 'timeout_mapping[1]')
   cc1: all warnings being treated as errors


vim +148 drivers/gpu/drm/i915/display/intel_dp_link_training.c

   136  
   137  void intel_dp_lttpr_wake_timeout_setup(struct intel_dp *intel_dp)
   138  {
   139          struct intel_display *display = to_intel_display(intel_dp);
   140          u8 val = 1;
   141          int ret;
   142  
   143          if (intel_dp_lttpr_transparent_mode_enabled(intel_dp)) {
   144                  static const u8 timeout_mapping[] = {
   145                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_1_MS] = 1,
   146                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_20_MS] = 20,
   147                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_40_MS] = 40,
 > 148                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_20_MS] = 20,
   149                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_80_MS] = 80,
   150                          [DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_100_MS] = 
100,
   151                  };
   152  
   153                  ret = drm_dp_dpcd_readb(&intel_dp->aux,
   154                                          
DP_EXTENDED_DPRX_SLEEP_WAKE_TIMEOUT_REQUEST, &val);
   155                  if (ret != 1) {
   156                          drm_dbg_kms(display->drm,
   157                                      "Failed to read Extended sleep wake 
timeout request\n");
   158                          return;
   159                  }
   160  
   161                  val = (val < sizeof(timeout_mapping) && 
timeout_mapping[val]) ?
   162                          timeout_mapping[val] : 1;
   163  
   164                  drm_dp_dpcd_writeb(&intel_dp->aux, 
DP_EXTENDED_DPRX_SLEEP_WAKE_TIMEOUT_GRANT,
   165                                     
DP_DPRX_SLEEP_WAKE_TIMEOUT_PERIOD_GRANTED);
   166          } else {
   167                  ret = drm_dp_dpcd_readb(&intel_dp->aux,
   168                                          
DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT, &val);
   169                  if (ret != 1) {
   170                          drm_dbg_kms(display->drm,
   171                                      "Failed to read Extended sleep wake 
timeout request\n");
   172                          return;
   173                  }
   174  
   175                  val = (val & DP_EXTENDED_WAKE_TIMEOUT_REQUEST_MASK) ?
   176                          (val & DP_EXTENDED_WAKE_TIMEOUT_REQUEST_MASK) * 
10 : 1;
   177  
   178                  drm_dp_dpcd_writeb(&intel_dp->aux, 
DP_PHY_REPEATER_EXTENDED_WAIT_TIMEOUT,
   179                                     DP_EXTENDED_WAKE_TIMEOUT_GRANT);
   180          }
   181  }
   182  

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

Reply via email to