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drm/amdgpu: initialize the vmid_wait with the stub fence

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This way we don't need to check for NULL any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2022-03-01 15:13:15 +01:00 committed by Alex Deucher
parent 6103b2f24e
commit 48e9fbd1a2
2 changed files with 2 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
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@ -204,7 +204,7 @@ static int amdgpu_vmid_grab_idle(struct amdgpu_vm *vm,
unsigned i;
int r;
if (ring->vmid_wait && !dma_fence_is_signaled(ring->vmid_wait))
if (!dma_fence_is_signaled(ring->vmid_wait))
return amdgpu_sync_fence(sync, ring->vmid_wait);
fences = kmalloc_array(id_mgr->num_ids, sizeof(void *), GFP_KERNEL);

1
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
View File

@ -193,6 +193,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
adev->rings[ring->idx] = ring;
ring->num_hw_submission = sched_hw_submission;
ring->sched_score = sched_score;
ring->vmid_wait = dma_fence_get_stub();
r = amdgpu_fence_driver_init_ring(ring);
if (r)
return r;