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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 80ce22d..bbe8023 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1456,6 +1456,7 @@
/* 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);