[Intel-gfx] [PATCH 2/3] drm/i915/guc: Disable PL1 power limit when loading GuC firmware
kernel test robot
lkp at intel.com
Thu Apr 6 09:16:22 UTC 2023
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-lkp@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 <lkp at intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304061654.yjntbbxy-lkp@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
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