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drm/amdgpu: fix VM flush for CPU based updates

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We don't have any update fence in that case, so the need
for flushing isn't detected automatically.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-07-11 16:59:21 +02:00 committed by Alex Deucher
parent fd97137541
commit 6f1ceabbd7
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -422,7 +422,7 @@ static int amdgpu_vm_grab_reserved_vmid_locked(struct amdgpu_vm *vm,
struct dma_fence *updates = sync->last_vm_update;
int r = 0;
struct dma_fence *flushed, *tmp;
bool needs_flush = false;
bool needs_flush = vm->use_cpu_for_update;
flushed = id->flushed_updates;
if ((amdgpu_vm_had_gpu_reset(adev, id)) ||
@ -543,11 +543,11 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
}
kfree(fences);
job->vm_needs_flush = false;
job->vm_needs_flush = vm->use_cpu_for_update;
/* Check if we can use a VMID already assigned to this VM */
list_for_each_entry_reverse(id, &id_mgr->ids_lru, list) {
struct dma_fence *flushed;
bool needs_flush = false;
bool needs_flush = vm->use_cpu_for_update;
/* Check all the prerequisites to using this VMID */
if (amdgpu_vm_had_gpu_reset(adev, id))