From d8907643cc6b00e96aeb1555f0e0c2930f69c18b Mon Sep 17 00:00:00 2001
From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sun, 25 Sep 2016 23:34:47 +0300
Subject: drm/amdgpu: clear ring pointer in amdgpu_device on teardown

This is in symmetry to setup done in amdgpu_ring_init.

Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 777f11b..e1fa873 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -264,6 +264,8 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
 			      (void **)&ring->ring);
 
 	amdgpu_debugfs_ring_fini(ring);
+
+	ring->adev->rings[ring->idx] = NULL;
 }
 
 /*
-- 
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