1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 80ce22ddbc0c..bbe8023bf58f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1456,6 +1456,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
         /* mutex initialization are all done here so we
          * can recall function without having locking issues */
         mutex_init(&adev->ring_lock);
+        mutex_init(&adev->vm_manager.lock);
         atomic_set(&adev->irq.ih.lock, 0);
         mutex_init(&adev->gem.mutex);
         mutex_init(&adev->pm.mutex);