diff options
Diffstat (limited to 'mali_kbase/csf/mali_kbase_csf_event.c')
| -rw-r--r-- | mali_kbase/csf/mali_kbase_csf_event.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/mali_kbase/csf/mali_kbase_csf_event.c b/mali_kbase/csf/mali_kbase_csf_event.c index 5c86688..63e6c15 100644 --- a/mali_kbase/csf/mali_kbase_csf_event.c +++ b/mali_kbase/csf/mali_kbase_csf_event.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note /* * - * (C) COPYRIGHT 2021 ARM Limited. All rights reserved. + * (C) COPYRIGHT 2021-2022 ARM Limited. All rights reserved. * * This program is free software and is provided to you under the terms of the * GNU General Public License version 2 as published by the Free Software @@ -102,7 +102,7 @@ static void sync_update_notify_gpu(struct kbase_context *kctx) if (can_notify_gpu) { kbase_csf_ring_doorbell(kctx->kbdev, CSF_KERNEL_DOORBELL_NR); - KBASE_KTRACE_ADD(kctx->kbdev, SYNC_UPDATE_EVENT_NOTIFY_GPU, kctx, 0u); + KBASE_KTRACE_ADD(kctx->kbdev, CSF_SYNC_UPDATE_NOTIFY_GPU_EVENT, kctx, 0u); } spin_unlock_irqrestore(&kctx->kbdev->hwaccess_lock, flags); @@ -120,7 +120,7 @@ void kbase_csf_event_signal(struct kbase_context *kctx, bool notify_gpu) /* First increment the signal count and wake up event thread. */ atomic_set(&kctx->event_count, 1); - kbase_event_wakeup(kctx); + kbase_event_wakeup_nosync(kctx); /* Signal the CSF firmware. This is to ensure that pending command * stream synch object wait operations are re-evaluated. @@ -169,7 +169,8 @@ void kbase_csf_event_term(struct kbase_context *kctx) kfree(event_cb); } - WARN_ON(!list_empty(&kctx->csf.event.error_list)); + WARN(!list_empty(&kctx->csf.event.error_list), + "Error list not empty for ctx %d_%d\n", kctx->tgid, kctx->id); spin_unlock_irqrestore(&kctx->csf.event.lock, flags); } @@ -226,12 +227,15 @@ void kbase_csf_event_add_error(struct kbase_context *const kctx, return; spin_lock_irqsave(&kctx->csf.event.lock, flags); - if (!WARN_ON(!list_empty(&error->link))) { + if (list_empty(&error->link)) { error->data = *data; list_add_tail(&error->link, &kctx->csf.event.error_list); dev_dbg(kctx->kbdev->dev, "Added error %pK of type %d in context %pK\n", (void *)error, data->type, (void *)kctx); + } else { + dev_dbg(kctx->kbdev->dev, "Error %pK of type %d already pending in context %pK", + (void *)error, error->data.type, (void *)kctx); } spin_unlock_irqrestore(&kctx->csf.event.lock, flags); } @@ -241,6 +245,14 @@ bool kbase_csf_event_error_pending(struct kbase_context *kctx) bool error_pending = false; unsigned long flags; + /* Withhold the error event if the dump on fault is ongoing. + * This would prevent the Userspace from taking error recovery actions + * (which can potentially affect the state that is being dumped). + * Event handling thread would eventually notice the error event. + */ + if (unlikely(!kbase_debug_csf_fault_dump_complete(kctx->kbdev))) + return false; + spin_lock_irqsave(&kctx->csf.event.lock, flags); error_pending = !list_empty(&kctx->csf.event.error_list); |