[PATCH 15/21] drm/amdkfd: Fix kernel queue rollback_packet

[Felix Kuehling]

kq->queue->properties.write_ptr is a GPU address which can'd be
derefenced in the kernel. Use kq->wptr_kernel instead, which is the
kernel CPU address of the same buffer.

Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index 23e586b..9f38161 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -279,7 +279,7 @@ static void submit_packet(struct kernel_queue *kq)
 
 static void rollback_packet(struct kernel_queue *kq)
 {
-	kq->pending_wptr = *kq->queue->properties.write_ptr;
+	kq->pending_wptr = *kq->wptr_kernel;
 }
 
 struct kernel_queue *kernel_queue_init(struct kfd_dev *dev,
-- 
2.7.4