From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com
Subject: Re: [PATCH] accel/ivpu: fix usage_count leak when autosuspend_delay is negative
Date: Fri, 21 Aug 2026 11:00:51 +0800 [thread overview]
Message-ID: <202608211038.oCWZXWtK-lkp@intel.com> (raw)
::::::
:::::: Manual check reason: "linux-review patch is more than 7 days old, verify it wasn't already superseded"
::::::
BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260807145416.2518999-1-lgs201920130244@gmail.com>
References: <20260807145416.2518999-1-lgs201920130244@gmail.com>
TO: Guangshuo Li <lgs201920130244@gmail.com>
TO: Karol Wachowski <karol.wachowski@linux.intel.com>
TO: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
TO: Oded Gabbay <ogabbay@kernel.org>
TO: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
TO: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
TO: Simona Vetter <simona.vetter@ffwll.ch>
TO: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
TO: dri-devel@lists.freedesktop.org
TO: linux-kernel@vger.kernel.org
CC: Guangshuo Li <lgs201920130244@gmail.com>
Hi Guangshuo,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on linus/master v7.2 next-20260819]
[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/Guangshuo-Li/accel-ivpu-fix-usage_count-leak-when-autosuspend_delay-is-negative/20260807-225416
base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link: https://lore.kernel.org/r/20260807145416.2518999-1-lgs201920130244%40gmail.com
patch subject: [PATCH] accel/ivpu: fix usage_count leak when autosuspend_delay is negative
:::::: branch date: 30 hours ago
:::::: commit date: 30 hours ago
config: x86_64-randconfig-075-20260821 (https://download.01.org/0day-ci/archive/20260821/202608211038.oCWZXWtK-lkp@intel.com/config)
compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/202608211038.oCWZXWtK-lkp@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202608211038.oCWZXWtK-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/accel/ivpu/ivpu_drv.c:788:1: warning: unused label 'err_ipc_fini' [-Wunused-label]
788 | err_ipc_fini:
| ^~~~~~~~~~~~~
1 warning generated.
vim +/err_ipc_fini +788 drivers/accel/ivpu/ivpu_drv.c
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 678
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 679 static int ivpu_dev_init(struct ivpu_device *vdev)
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 680 {
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 681 int ret;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 682
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 683 vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL);
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 684 if (!vdev->hw)
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 685 return -ENOMEM;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 686
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 687 vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL);
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 688 if (!vdev->mmu)
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 689 return -ENOMEM;
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 690
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 691 vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL);
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 692 if (!vdev->fw)
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 693 return -ENOMEM;
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 694
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 695 vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL);
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 696 if (!vdev->ipc)
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 697 return -ENOMEM;
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 698
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 699 vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL);
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 700 if (!vdev->pm)
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 701 return -ENOMEM;
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 702
8a27ad81f7d3a4 Wachowski, Karol 2024-05-15 703 if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX)
79cdc56c4a5425 Stanislaw Gruszka 2023-07-31 704 vdev->hw->dma_bits = 48;
8a27ad81f7d3a4 Wachowski, Karol 2024-05-15 705 else
a4172d6cf0a2b9 Karol Wachowski 2023-05-18 706 vdev->hw->dma_bits = 38;
a4172d6cf0a2b9 Karol Wachowski 2023-05-18 707
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 708 vdev->platform = IVPU_PLATFORM_INVALID;
3ff6edbc17dbab Stanislaw Gruszka 2023-03-23 709 vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
3ff6edbc17dbab Stanislaw Gruszka 2023-03-23 710 vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID;
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 711 atomic64_set(&vdev->unique_id_counter, 0);
0e7db503c5355f Karol Wachowski 2025-04-16 712 atomic_set(&vdev->job_timeout_counter, 0);
ade00a6c903f85 Karol Wachowski 2026-03-18 713 atomic_set(&vdev->faults_detected, 0);
fd7726e75968b2 Jacek Lawrynowicz 2024-04-02 714 xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
cd7272215c4467 Jacek Lawrynowicz 2023-01-17 715 xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1);
f32d59677ab142 Wachowski, Karol 2024-02-14 716 xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1);
48aea7f2a2efae Jacek Lawrynowicz 2023-10-31 717 INIT_LIST_HEAD(&vdev->bo_list);
86a14330bf0598 Karol Wachowski 2026-03-02 718 hash_init(vdev->user_limits);
48aea7f2a2efae Jacek Lawrynowicz 2023-10-31 719
ae7af7d8dc2a13 Karol Wachowski 2024-10-17 720 vdev->db_limit.min = IVPU_MIN_DB;
ae7af7d8dc2a13 Karol Wachowski 2024-10-17 721 vdev->db_limit.max = IVPU_MAX_DB;
c3b0ec0fe0c7eb Tomasz Rusinowicz 2024-09-30 722
f1cc6aceecd049 Jacek Lawrynowicz 2024-01-22 723 ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock);
f1cc6aceecd049 Jacek Lawrynowicz 2024-01-22 724 if (ret)
f1cc6aceecd049 Jacek Lawrynowicz 2024-01-22 725 goto err_xa_destroy;
5bbccadaf33eea Karol Wachowski 2025-01-07 726
86a14330bf0598 Karol Wachowski 2026-03-02 727 ret = drmm_mutex_init(&vdev->drm, &vdev->user_limits_lock);
86a14330bf0598 Karol Wachowski 2026-03-02 728 if (ret)
86a14330bf0598 Karol Wachowski 2026-03-02 729 goto err_xa_destroy;
86a14330bf0598 Karol Wachowski 2026-03-02 730
5bbccadaf33eea Karol Wachowski 2025-01-07 731 ret = drmm_mutex_init(&vdev->drm, &vdev->submitted_jobs_lock);
5bbccadaf33eea Karol Wachowski 2025-01-07 732 if (ret)
5bbccadaf33eea Karol Wachowski 2025-01-07 733 goto err_xa_destroy;
f1cc6aceecd049 Jacek Lawrynowicz 2024-01-22 734
48aea7f2a2efae Jacek Lawrynowicz 2023-10-31 735 ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock);
48aea7f2a2efae Jacek Lawrynowicz 2023-10-31 736 if (ret)
48aea7f2a2efae Jacek Lawrynowicz 2023-10-31 737 goto err_xa_destroy;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 738
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 739 ret = ivpu_pci_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 740 if (ret)
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 741 goto err_xa_destroy;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 742
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 743 ret = ivpu_irq_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 744 if (ret)
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 745 goto err_xa_destroy;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 746
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 747 /* Init basic HW info based on buttress registers which are accessible before power up */
8a27ad81f7d3a4 Wachowski, Karol 2024-05-15 748 ret = ivpu_hw_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 749 if (ret)
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 750 goto err_xa_destroy;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 751
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 752 /* Power up early so the rest of init code can access VPU registers */
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 753 ret = ivpu_hw_power_up(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 754 if (ret)
e3caadf1f9dfc9 Jacek Lawrynowicz 2024-04-02 755 goto err_shutdown;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 756
a74f4d991352c9 Karol Wachowski 2024-10-17 757 ivpu_mmu_global_context_init(vdev);
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 758
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 759 ret = ivpu_mmu_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 760 if (ret)
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 761 goto err_mmu_gctx_fini;
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 762
34d03f2a174dce Karol Wachowski 2023-09-01 763 ret = ivpu_mmu_reserved_context_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 764 if (ret)
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 765 goto err_mmu_gctx_fini;
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 766
34d03f2a174dce Karol Wachowski 2023-09-01 767 ret = ivpu_fw_init(vdev);
34d03f2a174dce Karol Wachowski 2023-09-01 768 if (ret)
34d03f2a174dce Karol Wachowski 2023-09-01 769 goto err_mmu_rctx_fini;
34d03f2a174dce Karol Wachowski 2023-09-01 770
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 771 ret = ivpu_ipc_init(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 772 if (ret)
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 773 goto err_fw_fini;
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 774
3f68b03ae6dcd1 Stanislaw Gruszka 2023-09-01 775 ivpu_pm_init(vdev);
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 776
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 777 ret = ivpu_boot(vdev);
0a9cd7924e56de Jacek Lawrynowicz 2023-09-01 778 if (ret)
dc6256eb3d23e3 Guangshuo Li 2026-08-07 779 goto err_pm_fini;
5d7422cfb498bf Jacek Lawrynowicz 2023-01-17 780
3b434a3445fff3 Jacek Lawrynowicz 2023-11-13 781 ivpu_job_done_consumer_init(vdev);
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 782 ivpu_pm_enable(vdev);
852be13f3bd32c Jacek Lawrynowicz 2023-01-17 783
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 784 return 0;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 785
dc6256eb3d23e3 Guangshuo Li 2026-08-07 786 err_pm_fini:
dc6256eb3d23e3 Guangshuo Li 2026-08-07 787 pm_runtime_dont_use_autosuspend(vdev->drm.dev);
cd7272215c4467 Jacek Lawrynowicz 2023-01-17 @788 err_ipc_fini:
cd7272215c4467 Jacek Lawrynowicz 2023-01-17 789 ivpu_ipc_fini(vdev);
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 790 err_fw_fini:
02d5b0aacd0590 Jacek Lawrynowicz 2023-01-17 791 ivpu_fw_fini(vdev);
34d03f2a174dce Karol Wachowski 2023-09-01 792 err_mmu_rctx_fini:
34d03f2a174dce Karol Wachowski 2023-09-01 793 ivpu_mmu_reserved_context_fini(vdev);
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 794 err_mmu_gctx_fini:
263b2ba5fc93c8 Jacek Lawrynowicz 2023-01-17 795 ivpu_mmu_global_context_fini(vdev);
e3caadf1f9dfc9 Jacek Lawrynowicz 2024-04-02 796 err_shutdown:
e3caadf1f9dfc9 Jacek Lawrynowicz 2024-04-02 797 ivpu_shutdown(vdev);
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 798 err_xa_destroy:
f32d59677ab142 Wachowski, Karol 2024-02-14 799 xa_destroy(&vdev->db_xa);
cd7272215c4467 Jacek Lawrynowicz 2023-01-17 800 xa_destroy(&vdev->submitted_jobs_xa);
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 801 xa_destroy(&vdev->context_xa);
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 802 return ret;
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 803 }
35b137630f08d9 Jacek Lawrynowicz 2023-01-17 804
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-08-21 3:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-21 3:00 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-08-21 1:55 [PATCH] accel/ivpu: fix usage_count leak when autosuspend_delay is negative kernel test robot
2026-08-07 14:54 Guangshuo Li
2026-08-07 15:20 ` sashiko-bot
2026-08-13 7:12 ` Wachowski, Karol
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