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drm/amdgpu: use fence_is_later() for vm_flush as well v2 

v2: remove superfluous check

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-10-29 17:01:19 +01:00 committed by Alex Deucher
parent c2776afe74
commit b56c22853e
1 changed files with 9 additions and 12 deletions
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21
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -207,24 +207,21 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr = amdgpu_bo_gpu_offset(vm->page_directory);
struct amdgpu_vm_id *vm_id = &vm->ids[ring->idx];
struct fence *flushed_updates = vm_id->flushed_updates;
bool is_earlier = false;
bool is_later;
if (flushed_updates && updates) {
BUG_ON(flushed_updates->context != updates->context);
is_earlier = (updates->seqno - flushed_updates->seqno <=
INT_MAX) ? true : false;
}
if (pd_addr != vm_id->pd_gpu_addr || !flushed_updates ||
is_earlier) {
if (!flushed_updates)
is_later = true;
else if (!updates)
is_later = false;
else
is_later = fence_is_later(updates, flushed_updates);
if (pd_addr != vm_id->pd_gpu_addr || is_later) {
trace_amdgpu_vm_flush(pd_addr, ring->idx, vm_id->id);
if (is_earlier) {
if (is_later) {
vm_id->flushed_updates = fence_get(updates);
fence_put(flushed_updates);
}
if (!flushed_updates)
vm_id->flushed_updates = fence_get(updates);
vm_id->pd_gpu_addr = pd_addr;
amdgpu_ring_emit_vm_flush(ring, vm_id->id, vm_id->pd_gpu_addr);
}