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drm/amdgpu: make pipeline sync be in same place v2

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v2: directly return for 'if' case.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou
2017-05-11 14:52:48 -04:00
committed by Alex Deucher
parent df83d1ebc9
commit b9bf33d5ac
5 changed files with 34 additions and 8 deletions
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32
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -694,6 +694,35 @@ static u64 amdgpu_vm_adjust_mc_addr(struct amdgpu_device *adev, u64 mc_addr)
return addr;
}
bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring,
struct amdgpu_job *job)
{
struct amdgpu_device *adev = ring->adev;
unsigned vmhub = ring->funcs->vmhub;
struct amdgpu_vm_id_manager *id_mgr = &adev->vm_manager.id_mgr[vmhub];
struct amdgpu_vm_id *id;
bool gds_switch_needed;
bool vm_flush_needed = job->vm_needs_flush ||
amdgpu_vm_ring_has_compute_vm_bug(ring);
if (job->vm_id == 0)
return false;
id = &id_mgr->ids[job->vm_id];
gds_switch_needed = ring->funcs->emit_gds_switch && (
id->gds_base != job->gds_base ||
id->gds_size != job->gds_size ||
id->gws_base != job->gws_base ||
id->gws_size != job->gws_size ||
id->oa_base != job->oa_base ||
id->oa_size != job->oa_size);
if (amdgpu_vm_had_gpu_reset(adev, id))
return true;
if (!vm_flush_needed && !gds_switch_needed)
return false;
return true;
}
/**
* amdgpu_vm_flush - hardware flush the vm
*
@@ -732,9 +761,6 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job)
if (ring->funcs->init_cond_exec)
patch_offset = amdgpu_ring_init_cond_exec(ring);
if (ring->funcs->emit_pipeline_sync && !job->need_pipeline_sync)
amdgpu_ring_emit_pipeline_sync(ring);
if (ring->funcs->emit_vm_flush && vm_flush_needed) {
u64 pd_addr = amdgpu_vm_adjust_mc_addr(adev, job->vm_pd_addr);
struct dma_fence *fence;