[PATCH] amdgpu: tear down ttm range manager for doorbell in amdgpu_ttm_fini()

[Kent Russell]

From: Jiang Liu <ge...@linux.alibaba.com>

Tear down ttm range manager for doorbell in function amdgpu_ttm_fini(),
to avoid memory leakage.

Signed-off-by: Jiang Liu <ge...@linux.alibaba.com>
Signed-off-by: Kent Russell <kent.russ...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9ff6cfacfd34..e6fc89440210 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -2066,6 +2066,7 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
        ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GDS);
        ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_GWS);
        ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_OA);
+       ttm_range_man_fini(&adev->mman.bdev, AMDGPU_PL_DOORBELL);
        ttm_device_fini(&adev->mman.bdev);
        adev->mman.initialized = false;
        DRM_INFO("amdgpu: ttm finalized\n");
-- 
2.43.0