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amdkfd: Fix accounting of device queues 

This patch fixes a device QCM bug, where the number of queues were not
counted correctly for the operation of update queue. The count was incorrect
as there was no regard to the previous state of the queue.

Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
This commit is contained in:
Oded Gabbay 2014-12-07 22:27:24 +02:00
parent b7392d2247
commit b6ffbab813
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
View File

@ -320,6 +320,7 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
{
int retval;
struct mqd_manager *mqd;
bool prev_active = false;
BUG_ON(!dqm || !q || !q->mqd);
@ -330,10 +331,18 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
return -ENOMEM;
}
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
if (q->properties.is_active == true)
prev_active = true;
/*
*
* check active state vs. the previous state
* and modify counter accordingly
*/
retval = mqd->update_mqd(mqd, q->mqd, &q->properties);
if ((q->properties.is_active == true) && (prev_active == false))
dqm->queue_count++;
else
else if ((q->properties.is_active == false) && (prev_active == true))
dqm->queue_count--;
if (sched_policy != KFD_SCHED_POLICY_NO_HWS)