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drm/amdkfd: set activated flag true when event age unmatchs

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Set waiter's activated flag true when event age unmatchs with last_event_age.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu
2023-05-17 16:25:12 -04:00
committed by Alex Deucher
parent 4057e6ce33
commit 96cdb5384d
1 changed files with 13 additions and 4 deletions
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17
drivers/gpu/drm/amd/amdkfd/kfd_events.c
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@@ -41,6 +41,7 @@ struct kfd_event_waiter {
wait_queue_entry_t wait;
struct kfd_event *event; /* Event to wait for */
bool activated; /* Becomes true when event is signaled */
bool event_age_enabled; /* set to true when last_event_age is non-zero */
};
/*
@@ -797,9 +798,9 @@ static struct kfd_event_waiter *alloc_event_waiters(uint32_t num_events)
static int init_event_waiter(struct kfd_process *p,
struct kfd_event_waiter *waiter,
uint32_t event_id)
struct kfd_event_data *event_data)
{
struct kfd_event *ev = lookup_event_by_id(p, event_id);
struct kfd_event *ev = lookup_event_by_id(p, event_data->event_id);
if (!ev)
return -EINVAL;
@@ -808,6 +809,15 @@ static int init_event_waiter(struct kfd_process *p,
waiter->event = ev;
waiter->activated = ev->signaled;
ev->signaled = ev->signaled && !ev->auto_reset;
/* last_event_age = 0 reserved for backward compatible */
if (waiter->event->type == KFD_EVENT_TYPE_SIGNAL &&
event_data->signal_event_data.last_event_age) {
waiter->event_age_enabled = true;
if (ev->event_age != event_data->signal_event_data.last_event_age)
waiter->activated = true;
}
if (!waiter->activated)
add_wait_queue(&ev->wq, &waiter->wait);
spin_unlock(&ev->lock);
@@ -948,8 +958,7 @@ int kfd_wait_on_events(struct kfd_process *p,
goto out_unlock;
}
ret = init_event_waiter(p, &event_waiters[i],
event_data.event_id);
ret = init_event_waiter(p, &event_waiters[i], &event_data);
if (ret)
goto out_unlock;
}