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drm/amdgpu: grab VMID before submitting job v5

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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>
This commit is contained in:
Christian König
2015-11-03 20:58:50 +01:00
committed by Alex Deucher
parent 165e4e07c2
commit 8d0a7cea82
4 changed files with 35 additions and 13 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -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);