Hi Ashutosh, kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-tip/drm-tip] url: https://github.com/intel-lab-lkp/linux/commits/Ashutosh-Dixit/drm-i915-hwmon-Get-mutex-and-rpm-ref-just-once-in-hwm_power_max_write/20230406-124659 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20230406044522.3108359-3-ashutosh.dixit%40intel.com patch subject: [Intel-gfx] [PATCH 2/3] drm/i915/guc: Disable PL1 power limit when loading GuC firmware config: i386-randconfig-a002-20230403 (https://download.01.org/0day-ci/archive/20230406/202304061654.yjntbbxy-...@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/b4aa935db7f0b46437cdaa39f0149ad835ceb73c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Ashutosh-Dixit/drm-i915-hwmon-Get-mutex-and-rpm-ref-just-once-in-hwm_power_max_write/20230406-124659 git checkout b4aa935db7f0b46437cdaa39f0149ad835ceb73c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <l...@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202304061654.yjntbbxy-...@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/uc/intel_uc.c:484:6: warning: variable 'pl1en' is >> used uninitialized whenever 'if' condition is true >> [-Wsometimes-uninitialized] if (ret) ^~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:573:41: note: uninitialized use occurs here i915_hwmon_power_max_restore(gt->i915, pl1en); ^~~~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:484:2: note: remove the 'if' if its condition is always false if (ret) ^~~~~~~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:475:6: warning: variable 'pl1en' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (!intel_uc_fw_is_loadable(&guc->fw)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:573:41: note: uninitialized use occurs here i915_hwmon_power_max_restore(gt->i915, pl1en); ^~~~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:475:2: note: remove the 'if' if its condition is always false if (!intel_uc_fw_is_loadable(&guc->fw)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/gt/uc/intel_uc.c:465:12: note: initialize the variable 'pl1en' to silence this warning bool pl1en; ^ = 0 2 warnings generated. vim +484 drivers/gpu/drm/i915/gt/uc/intel_uc.c afd088ac05f120d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 457 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 458 static int __uc_init_hw(struct intel_uc *uc) 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 459 { 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 460 struct intel_gt *gt = uc_to_gt(uc); 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 461 struct drm_i915_private *i915 = gt->i915; 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 462 struct intel_guc *guc = &uc->guc; 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 463 struct intel_huc *huc = &uc->huc; 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 464 int ret, attempts; b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 465 bool pl1en; 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 466 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 467 GEM_BUG_ON(!intel_uc_supports_guc(uc)); bfe5a40a7b9a967 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 468 GEM_BUG_ON(!intel_uc_wants_guc(uc)); 356c484822e6ac9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-16 469 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 470 print_fw_ver(gt, &guc->fw); afd088ac05f120d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 471 afd088ac05f120d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 472 if (intel_uc_uses_huc(uc)) 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 473 print_fw_ver(gt, &huc->fw); afd088ac05f120d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 474 42f96e5bd41e91f drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 475 if (!intel_uc_fw_is_loadable(&guc->fw)) { 6fbeda0bfd210f9 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 476 ret = __uc_check_hw(uc) || ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 477 intel_uc_fw_is_overridden(&guc->fw) || 202c98e71692484 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 478 intel_uc_wants_guc_submission(uc) ? ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 479 intel_uc_fw_status_to_error(guc->fw.status) : 0; ae7a3166a708bee drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 480 goto err_out; ae7a3166a708bee drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 481 } ae7a3166a708bee drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 482 63064d822c964c0 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 483 ret = uc_init_wopcm(uc); 63064d822c964c0 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 @484 if (ret) 63064d822c964c0 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 485 goto err_out; 63064d822c964c0 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 486 e5a1ad035938e60 drivers/gpu/drm/i915/gt/uc/intel_uc.c Matthew Brost 2021-07-26 487 intel_guc_reset_interrupts(guc); 61b5c1587dd82a8 drivers/gpu/drm/i915/intel_uc.c Michał Winiarski 2017-12-13 488 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 489 /* WaEnableuKernelHeaderValidFix:skl */ 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 490 /* WaEnableGuCBootHashCheckNotSet:skl,bxt,kbl */ c816723b6b8a627 drivers/gpu/drm/i915/gt/uc/intel_uc.c Lucas De Marchi 2021-06-05 491 if (GRAPHICS_VER(i915) == 9) 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 492 attempts = 3; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 493 else 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 494 attempts = 1; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 495 b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 496 /* Disable a potentially low PL1 power limit to allow freq to be raised */ b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 497 i915_hwmon_power_max_disable(gt->i915, &pl1en); b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 498 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 499 intel_rps_raise_unslice(&uc_to_gt(uc)->rps); 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 500 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 501 while (attempts--) { 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 502 /* 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 503 * Always reset the GuC just before (re)loading, so 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 504 * that the state and timing are fairly predictable 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 505 */ 771051eaa74661f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-02 506 ret = __uc_sanitize(uc); 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 507 if (ret) 61b5c1587dd82a8 drivers/gpu/drm/i915/intel_uc.c Michał Winiarski 2017-12-13 508 goto err_out; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 509 a8dc0f6d187bccc drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 510 intel_huc_fw_upload(huc); 386e300fe9fae7e drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2019-05-27 511 intel_guc_ads_reset(guc); 2bf8fb39eb70b6c drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-24 512 intel_guc_write_params(guc); e8668bbcb0f91c7 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-10-16 513 ret = intel_guc_fw_upload(guc); 52b832606038c5b drivers/gpu/drm/i915/intel_uc.c Robert M. Fosha 2019-03-29 514 if (ret == 0) 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 515 break; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 516 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 517 gt_dbg(gt, "GuC fw load failed (%pe) will reset and retry %d more time(s)\n", 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 518 ERR_PTR(ret), attempts); 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 519 } 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 520 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 521 /* Did we succeded or run out of retries? */ 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 522 if (ret) ac58d2ab0ad9c8b drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 523 goto err_log_capture; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 524 789a625158b0c0c drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 525 ret = guc_enable_communication(guc); 789a625158b0c0c drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 526 if (ret) ac58d2ab0ad9c8b drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 527 goto err_log_capture; 789a625158b0c0c drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 528 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 529 /* 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 530 * GSC-loaded HuC is authenticated by the GSC, so we don't need to 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 531 * trigger the auth here. However, given that the HuC loaded this way 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 532 * survive GT reset, we still need to update our SW bookkeeping to make 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 533 * sure it reflects the correct HW status. 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 534 */ 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 535 if (intel_huc_is_loaded_by_gsc(huc)) 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 536 intel_huc_update_auth_status(huc); 6f67930af78f10a drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 537 else a8dc0f6d187bccc drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 538 intel_huc_auth(huc); 0dfa1cee613e03c drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-12-06 539 cd414f4f59f64d7 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 540 if (intel_uc_uses_guc_submission(uc)) { cd414f4f59f64d7 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 541 ret = intel_guc_submission_enable(guc); cd414f4f59f64d7 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 542 if (ret) cd414f4f59f64d7 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 543 goto err_log_capture; cd414f4f59f64d7 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 544 } 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 545 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 546 if (intel_uc_uses_guc_slpc(uc)) { 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 547 ret = intel_guc_slpc_enable(&guc->slpc); 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 548 if (ret) 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 549 goto err_submission; 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 550 } else { 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 551 /* Restore GT back to RPn for non-SLPC path */ 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 552 intel_rps_lower_unslice(&uc_to_gt(uc)->rps); 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 553 } 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 554 b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 555 i915_hwmon_power_max_restore(gt->i915, pl1en); b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 556 4fd4fde8e42e164 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-06 557 guc_info(guc, "submission %s\n", str_enabled_disabled(intel_uc_uses_guc_submission(uc))); 4fd4fde8e42e164 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-06 558 guc_info(guc, "SLPC %s\n", str_enabled_disabled(intel_uc_uses_guc_slpc(uc))); 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 559 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 560 return 0; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 561 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 562 /* 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 563 * We've failed to load the firmware :( 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 564 */ 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 565 err_submission: 63c0eb30bfe9269 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 566 intel_guc_submission_disable(guc); ac58d2ab0ad9c8b drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 567 err_log_capture: 32ff76e80c2400c drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-02 568 __uc_capture_load_err_log(uc); 121981fafe699d9 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-12-06 569 err_out: 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 570 /* Return GT back to RPn */ 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 571 intel_rps_lower_unslice(&uc_to_gt(uc)->rps); 1c40d40f6835cde drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 572 b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 573 i915_hwmon_power_max_restore(gt->i915, pl1en); b4aa935db7f0b46 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-04-05 574 ca7b2c1bbede618 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-13 575 __uc_sanitize(uc); 89195bab5d8c540 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2019-05-22 576 ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 577 if (!ret) { 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 578 gt_notice(gt, "GuC is uninitialized\n"); ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 579 /* We want to run without GuC submission */ ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 580 return 0; ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 581 } ee402140274e870 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 582 2f8c06cb6622b55 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 583 gt_probe_error(gt, "GuC initialization failed %pe\n", ERR_PTR(ret)); a5f978c3609f02a drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 584 a5f978c3609f02a drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 585 /* We want to keep KMS alive */ a5f978c3609f02a drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 586 return -EIO; 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 587 } 6cd5a72c357732e drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 588 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
