[PATCH 64/83] hsa/radeon: update queue fault handling

[Oded Gabbay]

From: Ben Goz <ben....@amd.com>

This commit adding fault handling for process queue manager update queue

Signed-off-by: Ben Goz <ben.goz at amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay at amd.com>
---
 drivers/gpu/hsa/radeon/kfd_process_queue_manager.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/hsa/radeon/kfd_process_queue_manager.c 
b/drivers/gpu/hsa/radeon/kfd_process_queue_manager.c
index fe74dd7..2034d2b 100644
--- a/drivers/gpu/hsa/radeon/kfd_process_queue_manager.c
+++ b/drivers/gpu/hsa/radeon/kfd_process_queue_manager.c
@@ -334,6 +334,7 @@ int pqm_destroy_queue(struct process_queue_manager *pqm, 
unsigned int qid)

 int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, 
struct queue_properties *p)
 {
+       int retval;
        struct process_queue_node *pqn;

        BUG_ON(!pqm);
@@ -346,9 +347,17 @@ int pqm_update_queue(struct process_queue_manager *pqm, 
unsigned int qid, struct
        pqn->q->properties.queue_percent = p->queue_percent;
        pqn->q->properties.priority = p->priority;

-       pqn->q->device->dqm->destroy_queues(pqn->q->device->dqm);
-       pqn->q->device->dqm->update_queue(pqn->q->device->dqm, pqn->q);
-       pqn->q->device->dqm->execute_queues(pqn->q->device->dqm);
+       retval = pqn->q->device->dqm->destroy_queues(pqn->q->device->dqm);
+       if (retval != 0)
+               return retval;
+
+       retval = pqn->q->device->dqm->update_queue(pqn->q->device->dqm, pqn->q);
+       if (retval != 0)
+               return retval;
+
+       retval = pqn->q->device->dqm->execute_queues(pqn->q->device->dqm);
+       if (retval != 0)
+               return retval;

        return 0;
 }
-- 
1.9.1