[PATCH v2] drm/i915/guc: Disable PL1 power limit when loading GuC firmware
kernel test robot
lkp at intel.com
Tue Mar 14 02:54:44 UTC 2023
Hi Ashutosh,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-tip/drm-tip]
[cannot apply to drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm/drm-next drm-exynos/exynos-drm-next drm-misc/drm-misc-next linus/master v6.3-rc2 next-20230310]
[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/Ashutosh-Dixit/drm-i915-guc-Disable-PL1-power-limit-when-loading-GuC-firmware/20230314-075114
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
patch link: https://lore.kernel.org/r/20230313234936.2005565-1-ashutosh.dixit%40intel.com
patch subject: [PATCH v2] drm/i915/guc: Disable PL1 power limit when loading GuC firmware
config: x86_64-randconfig-a016-20230313 (https://download.01.org/0day-ci/archive/20230314/202303141032.GnWWCyaD-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/931e5a87acb79926043e557341fb0dfd68a9b88d
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Ashutosh-Dixit/drm-i915-guc-Disable-PL1-power-limit-when-loading-GuC-firmware/20230314-075114
git checkout 931e5a87acb79926043e557341fb0dfd68a9b88d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 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/202303141032.GnWWCyaD-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/i915/gt/uc/intel_uc.c:483:6: warning: variable 'pl1en' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
if (ret)
^~~
drivers/gpu/drm/i915/gt/uc/intel_uc.c:572:28: note: uninitialized use occurs here
hwm_power_max_restore(gt, pl1en); /* Restore PL1 limit */
^~~~~
drivers/gpu/drm/i915/gt/uc/intel_uc.c:483:2: note: remove the 'if' if its condition is always false
if (ret)
^~~~~~~~
drivers/gpu/drm/i915/gt/uc/intel_uc.c:474:6: 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:572:28: note: uninitialized use occurs here
hwm_power_max_restore(gt, pl1en); /* Restore PL1 limit */
^~~~~
drivers/gpu/drm/i915/gt/uc/intel_uc.c:474:2: 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:464:26: note: initialize the variable 'pl1en' to silence this warning
int ret, attempts, pl1en;
^
= 0
2 warnings generated.
vim +483 drivers/gpu/drm/i915/gt/uc/intel_uc.c
afd088ac05f120 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 457
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 458 static int __uc_init_hw(struct intel_uc *uc)
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 459 {
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 460 struct intel_gt *gt = uc_to_gt(uc);
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 461 struct drm_i915_private *i915 = gt->i915;
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 462 struct intel_guc *guc = &uc->guc;
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 463 struct intel_huc *huc = &uc->huc;
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 464 int ret, attempts, pl1en;
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 465
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 466 GEM_BUG_ON(!intel_uc_supports_guc(uc));
bfe5a40a7b9a96 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 467 GEM_BUG_ON(!intel_uc_wants_guc(uc));
356c484822e6ac drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-16 468
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 469 print_fw_ver(gt, &guc->fw);
afd088ac05f120 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 470
afd088ac05f120 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 471 if (intel_uc_uses_huc(uc))
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 472 print_fw_ver(gt, &huc->fw);
afd088ac05f120 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2022-01-06 473
42f96e5bd41e91 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 474 if (!intel_uc_fw_is_loadable(&guc->fw)) {
6fbeda0bfd210f drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2020-01-10 475 ret = __uc_check_hw(uc) ||
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 476 intel_uc_fw_is_overridden(&guc->fw) ||
202c98e7169248 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2020-02-18 477 intel_uc_wants_guc_submission(uc) ?
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 478 intel_uc_fw_status_to_error(guc->fw.status) : 0;
ae7a3166a708be drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 479 goto err_out;
ae7a3166a708be drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 480 }
ae7a3166a708be drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 481
63064d822c964c drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 482 ret = uc_init_wopcm(uc);
63064d822c964c drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 @483 if (ret)
63064d822c964c drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 484 goto err_out;
63064d822c964c drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-30 485
e5a1ad035938e6 drivers/gpu/drm/i915/gt/uc/intel_uc.c Matthew Brost 2021-07-26 486 intel_guc_reset_interrupts(guc);
61b5c1587dd82a drivers/gpu/drm/i915/intel_uc.c Michał Winiarski 2017-12-13 487
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 488 /* WaEnableuKernelHeaderValidFix:skl */
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 489 /* WaEnableGuCBootHashCheckNotSet:skl,bxt,kbl */
c816723b6b8a62 drivers/gpu/drm/i915/gt/uc/intel_uc.c Lucas De Marchi 2021-06-05 490 if (GRAPHICS_VER(i915) == 9)
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 491 attempts = 3;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 492 else
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 493 attempts = 1;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 494
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 495 /* Disable PL1 limit before raising freq */
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 496 hwm_power_max_disable(gt, &pl1en);
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 497
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 498 intel_rps_raise_unslice(&uc_to_gt(uc)->rps);
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 499
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 500 while (attempts--) {
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 501 /*
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 502 * Always reset the GuC just before (re)loading, so
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 503 * that the state and timing are fairly predictable
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 504 */
771051eaa74661 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-02 505 ret = __uc_sanitize(uc);
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 506 if (ret)
61b5c1587dd82a drivers/gpu/drm/i915/intel_uc.c Michał Winiarski 2017-12-13 507 goto err_out;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 508
a8dc0f6d187bcc drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 509 intel_huc_fw_upload(huc);
386e300fe9fae7 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2019-05-27 510 intel_guc_ads_reset(guc);
2bf8fb39eb70b6 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-24 511 intel_guc_write_params(guc);
e8668bbcb0f91c drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-10-16 512 ret = intel_guc_fw_upload(guc);
52b832606038c5 drivers/gpu/drm/i915/intel_uc.c Robert M. Fosha 2019-03-29 513 if (ret == 0)
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 514 break;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 515
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 516 gt_dbg(gt, "GuC fw load failed (%pe) will reset and retry %d more time(s)\n",
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 517 ERR_PTR(ret), attempts);
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 518 }
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 519
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 520 /* Did we succeded or run out of retries? */
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 521 if (ret)
ac58d2ab0ad9c8 drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 522 goto err_log_capture;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 523
789a625158b0c0 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 524 ret = guc_enable_communication(guc);
789a625158b0c0 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 525 if (ret)
ac58d2ab0ad9c8 drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 526 goto err_log_capture;
789a625158b0c0 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-05-02 527
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 528 /*
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 529 * GSC-loaded HuC is authenticated by the GSC, so we don't need to
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 530 * trigger the auth here. However, given that the HuC loaded this way
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 531 * survive GT reset, we still need to update our SW bookkeeping to make
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 532 * sure it reflects the correct HW status.
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 533 */
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 534 if (intel_huc_is_loaded_by_gsc(huc))
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 535 intel_huc_update_auth_status(huc);
6f67930af78f10 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2022-05-04 536 else
a8dc0f6d187bcc drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 537 intel_huc_auth(huc);
0dfa1cee613e03 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-12-06 538
cd414f4f59f64d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 539 if (intel_uc_uses_guc_submission(uc)) {
cd414f4f59f64d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 540 ret = intel_guc_submission_enable(guc);
cd414f4f59f64d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 541 if (ret)
cd414f4f59f64d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 542 goto err_log_capture;
cd414f4f59f64d drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-17 543 }
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 544
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 545 if (intel_uc_uses_guc_slpc(uc)) {
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 546 ret = intel_guc_slpc_enable(&guc->slpc);
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 547 if (ret)
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 548 goto err_submission;
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 549 } else {
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 550 /* Restore GT back to RPn for non-SLPC path */
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 551 intel_rps_lower_unslice(&uc_to_gt(uc)->rps);
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 552 }
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 553
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 554 hwm_power_max_restore(gt, pl1en); /* Restore PL1 limit */
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 555
4fd4fde8e42e16 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-06 556 guc_info(guc, "submission %s\n", str_enabled_disabled(intel_uc_uses_guc_submission(uc)));
4fd4fde8e42e16 drivers/gpu/drm/i915/gt/uc/intel_uc.c John Harrison 2023-02-06 557 guc_info(guc, "SLPC %s\n", str_enabled_disabled(intel_uc_uses_guc_slpc(uc)));
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 558
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 559 return 0;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 560
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 561 /*
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 562 * We've failed to load the firmware :(
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 563 */
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 564 err_submission:
63c0eb30bfe926 drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-07-30 565 intel_guc_submission_disable(guc);
ac58d2ab0ad9c8 drivers/gpu/drm/i915/intel_uc.c Daniele Ceraolo Spurio 2017-05-22 566 err_log_capture:
32ff76e80c2400 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-02 567 __uc_capture_load_err_log(uc);
121981fafe699d drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2017-12-06 568 err_out:
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 569 /* Return GT back to RPn */
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 570 intel_rps_lower_unslice(&uc_to_gt(uc)->rps);
1c40d40f6835cd drivers/gpu/drm/i915/gt/uc/intel_uc.c Vinay Belgaumkar 2021-12-16 571
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 572 hwm_power_max_restore(gt, pl1en); /* Restore PL1 limit */
931e5a87acb799 drivers/gpu/drm/i915/gt/uc/intel_uc.c Ashutosh Dixit 2023-03-13 573
ca7b2c1bbede61 drivers/gpu/drm/i915/gt/uc/intel_uc.c Daniele Ceraolo Spurio 2019-07-13 574 __uc_sanitize(uc);
89195bab5d8c54 drivers/gpu/drm/i915/intel_uc.c Michal Wajdeczko 2019-05-22 575
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 576 if (!ret) {
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 577 gt_notice(gt, "GuC is uninitialized\n");
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 578 /* We want to run without GuC submission */
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 579 return 0;
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 580 }
ee402140274e87 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-18 581
2f8c06cb6622b5 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2023-01-28 582 gt_probe_error(gt, "GuC initialization failed %pe\n", ERR_PTR(ret));
a5f978c3609f02 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 583
a5f978c3609f02 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 584 /* We want to keep KMS alive */
a5f978c3609f02 drivers/gpu/drm/i915/gt/uc/intel_uc.c Michal Wajdeczko 2019-08-11 585 return -EIO;
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 586 }
6cd5a72c357732 drivers/gpu/drm/i915/intel_uc.c Arkadiusz Hiler 2017-03-14 587
--
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https://github.com/intel/lkp-tests
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