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

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Message-Id: <1405029279-6894-36-git-send-email-oded.gabbay@amd.com>
Date:	Fri, 11 Jul 2014 00:54:20 +0300
From:	Oded Gabbay <oded.gabbay@...il.com>
To:	David Airlie <airlied@...ux.ie>,
	Alex Deucher <alexander.deucher@....com>,
	Jerome Glisse <j.glisse@...il.com>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	John Bridgman <John.Bridgman@....com>,
	Andrew Lewycky <Andrew.Lewycky@....com>,
	Joerg Roedel <joro@...tes.org>, Ben Goz <ben.goz@....com>,
	Oded Gabbay <oded.gabbay@....com>
Subject: [PATCH 64/83] hsa/radeon: update queue fault handling

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

This commit adding fault handling for process queue manager update queue

Signed-off-by: Ben Goz <ben.goz@....com>
Signed-off-by: Oded Gabbay <oded.gabbay@....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

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