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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af commit: 55e8ff842051b1150461d7595d8f1d033c69d66b drm/bridge: ti-sn65dsi86: Add HPD for DisplayPort connector type date: 5 days ago config: s390-randconfig-r061-20250630 (https://download.01.org/0day-ci/archive/20250630/202506301704.0SBj6ply-lkp@intel.com/config) compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202506301704.0SBj6ply-lkp@intel.com/ cocci warnings: (new ones prefixed by >>) >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:1376:2-3: Unneeded semicolon vim +1376 drivers/gpu/drm/bridge/ti-sn65dsi86.c 1334 1335 static int ti_sn_bridge_probe(struct auxiliary_device *adev, 1336 const struct auxiliary_device_id *id) 1337 { 1338 struct ti_sn65dsi86 *pdata = dev_get_drvdata(adev->dev.parent); 1339 struct device_node *np = pdata->dev->of_node; 1340 int ret; 1341 1342 pdata->next_bridge = devm_drm_of_get_bridge(&adev->dev, np, 1, 0); 1343 if (IS_ERR(pdata->next_bridge)) 1344 return dev_err_probe(&adev->dev, PTR_ERR(pdata->next_bridge), 1345 "failed to create panel bridge\n"); 1346 1347 ti_sn_bridge_parse_lanes(pdata, np); 1348 1349 ret = ti_sn_bridge_parse_dsi_host(pdata); 1350 if (ret) 1351 return ret; 1352 1353 pdata->bridge.of_node = np; 1354 pdata->bridge.type = pdata->next_bridge->type == DRM_MODE_CONNECTOR_DisplayPort 1355 ? DRM_MODE_CONNECTOR_DisplayPort : DRM_MODE_CONNECTOR_eDP; 1356 1357 if (pdata->bridge.type == DRM_MODE_CONNECTOR_DisplayPort) { 1358 pdata->bridge.ops = DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_DETECT | 1359 DRM_BRIDGE_OP_HPD; 1360 /* 1361 * If comms were already enabled they would have been enabled 1362 * with the wrong value of HPD_DISABLE. Update it now. Comms 1363 * could be enabled if anyone is holding a pm_runtime reference 1364 * (like if a GPIO is in use). Note that in most cases nobody 1365 * is doing AUX channel xfers before the bridge is added so 1366 * HPD doesn't _really_ matter then. The only exception is in 1367 * the eDP case where the panel wants to read the EDID before 1368 * the bridge is added. We always consistently have HPD disabled 1369 * for eDP. 1370 */ 1371 mutex_lock(&pdata->comms_mutex); 1372 if (pdata->comms_enabled) 1373 regmap_update_bits(pdata->regmap, SN_HPD_DISABLE_REG, 1374 HPD_DISABLE, 0); 1375 mutex_unlock(&pdata->comms_mutex); > 1376 }; 1377 1378 drm_bridge_add(&pdata->bridge); 1379 1380 ret = ti_sn_attach_host(adev, pdata); 1381 if (ret) { 1382 dev_err_probe(&adev->dev, ret, "failed to attach dsi host\n"); 1383 goto err_remove_bridge; 1384 } 1385 1386 return 0; 1387 1388 err_remove_bridge: 1389 drm_bridge_remove(&pdata->bridge); 1390 return ret; 1391 } 1392 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki