From: Monk Liu <Monk.Liu@amd.com>
Date: Fri, 15 Sep 2017 16:43:01 +0800
Subject: drm/amdgpu:fix uvd ring fini routine(v2)
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Git-commit: 4ff184d70e1dd85cc39f3b8ed0d98b728d6d9b6c
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

fix missing finish uvd enc_ring.
v2:
since the adev pointer check in already in ring_fini
so drop the check outsider

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -269,6 +269,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_dev
 
 int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
 {
+	int i;
 	kfree(adev->uvd.saved_bo);
 
 	amd_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity);
@@ -279,6 +280,9 @@ int amdgpu_uvd_sw_fini(struct amdgpu_dev
 
 	amdgpu_ring_fini(&adev->uvd.ring);
 
+	for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
+		amdgpu_ring_fini(&adev->uvd.ring_enc[i]);
+
 	release_firmware(adev->uvd.fw);
 
 	return 0;