drm/amdgpu: grab VMID before submitting job v5

This allows the scheduler to handle the dependencies on ID contention as well.

v2: grab id only once
v3: use a separate lock for the VMIDs
v4: cleanup after semaphore removal
v5: minor coding style change

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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);