From 79b066bd76d501cfe8328142153da301f5ca11d1 Mon Sep 17 00:00:00 2001
From: Xihan Zhang <xihan.zhang@amd.com>
Date: Tue, 28 Apr 2015 23:48:40 +0800
Subject: [PATCH] drm/amdkfd: Initialize sdma vm when creating sdma queue

This patch fixes a bug where sdma vm wasn't initialized when
an sdma queue was created in HWS mode.

This caused GPUVM faults to appear on dmesg and it is one of the
causes that SDMA queues are not working.

Signed-off-by: Xihan Zhang <xihan.zhang@amd.com>
Reviewed-by: Ben Goz <ben.goz@amd.comt>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 7b1d5109e9f23..596ee5cd3b842 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -883,6 +883,8 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q,
 		return -ENOMEM;
 	}
 
+	init_sdma_vm(dqm, q, qpd);
+
 	retval = mqd->init_mqd(mqd, &q->mqd, &q->mqd_mem_obj,
 				&q->gart_mqd_addr, &q->properties);
 	if (retval != 0)
-- 
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