diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c index 9178cfe34f20..a9466d154395 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c @@ -146,15 +146,24 @@ static void interrupt_wq(struct work_struct *work) struct kfd_dev *dev = container_of(work, struct kfd_dev, interrupt_work); uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE]; + long start_jiffies = jiffies; if (dev->device_info.ih_ring_entry_size > sizeof(ih_ring_entry)) { dev_err_once(dev->adev->dev, "Ring entry too small\n"); return; } - while (dequeue_ih_ring_entry(dev, ih_ring_entry)) + while (dequeue_ih_ring_entry(dev, ih_ring_entry)) { dev->device_info.event_interrupt_class->interrupt_wq(dev, ih_ring_entry); + if (jiffies - start_jiffies > HZ) { + /* If we spent more than a second processing signals, + * reschedule the worker to avoid soft-lockup warnings + */ + queue_work(dev->ih_wq, &dev->interrupt_work); + break; + } + } } bool interrupt_is_wanted(struct kfd_dev *dev, |