[PATCH 1/1] drm/amdgpu: clean up bo in vce and vcn test

[Nirmoy Das]

BO created with amdgpu_bo_create_reserved wasn't clean
properly before which causes:

[   21.056218] WARNING: CPU: 0 PID: 7 at drivers/gpu/drm/ttm/ttm_bo.c:518 ttm_bo_release+0x2bf/0x310 [ttm]
<snip>
[   21.056430] Call Trace:
[   21.056525]  amdgpu_bo_unref+0x1a/0x30 [amdgpu]
[   21.056635]  amdgpu_vcn_dec_send_msg+0x1b2/0x270 [amdgpu]
[   21.056740]  amdgpu_vcn_dec_get_create_msg.constprop.0+0xd8/0x100 [amdgpu]
[   21.056843]  amdgpu_vcn_dec_ring_test_ib+0x27/0x180 [amdgpu]
[   21.056936]  amdgpu_ib_ring_tests+0xf1/0x150 [amdgpu]
[   21.057024]  amdgpu_device_delayed_init_work_handler+0x11/0x30 [amdgpu]
[   21.057030]  process_one_work+0x1df/0x370
[   21.057033]  worker_thread+0x46/0x340
[   21.057034]  ? process_one_work+0x370/0x370
[   21.057037]  kthread+0x11b/0x140
[   21.057039]  ? __kthread_bind_mask+0x60/0x60
[   21.057043]  ret_from_fork+0x22/0x30

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 16 ++++++++++------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index ecaa2d7483b2..78a4dd9bf11f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -1151,6 +1151,6 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 error:
 	dma_fence_put(fence);
 	amdgpu_bo_unreserve(bo);
-	amdgpu_bo_unref(&bo);
+	amdgpu_bo_free_kernel(&bo, NULL, NULL);
 	return r;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 7e19a6656715..dfcdd38ff9c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -491,8 +491,6 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
 		goto err_free;
 
 	amdgpu_bo_fence(bo, f, false);
-	amdgpu_bo_unreserve(bo);
-	amdgpu_bo_unref(&bo);
 
 	if (fence)
 		*fence = dma_fence_get(f);
@@ -504,8 +502,6 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
 	amdgpu_job_free(job);
 
 err:
-	amdgpu_bo_unreserve(bo);
-	amdgpu_bo_unref(&bo);
 	return r;
 }
 
@@ -540,7 +536,11 @@ static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
 	for (i = 14; i < 1024; ++i)
 		msg[i] = cpu_to_le32(0x0);
 
-	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
+	r = amdgpu_vcn_dec_send_msg(ring, bo, fence);
+	amdgpu_bo_unreserve(bo);
+	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
+
+	return r;
 }
 
 static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
@@ -566,7 +566,11 @@ static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
 	for (i = 6; i < 1024; ++i)
 		msg[i] = cpu_to_le32(0x0);
 
-	return amdgpu_vcn_dec_send_msg(ring, bo, fence);
+	r = amdgpu_vcn_dec_send_msg(ring, bo, fence);
+	amdgpu_bo_unreserve(bo);
+	amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
+
+	return r;
 }
 
 int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
-- 
2.29.2