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drm/radeon: fence BO_VAs manually

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This allows us to finally remove the VM fence and
so allow concurrent use of it from different engines.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-11-19 14:01:26 +01:00
committed by Alex Deucher
parent 7c42bc1aa2
commit 94214635f0
3 changed files with 14 additions and 16 deletions
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6
drivers/gpu/drm/radeon/radeon_cs.c
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@@ -505,6 +505,9 @@ static int radeon_bo_vm_update_pte(struct radeon_cs_parser *p,
if (r)
return r;
radeon_sync_resv(p->rdev, &p->ib.sync, vm->page_directory->tbo.resv,
true);
r = radeon_vm_clear_freed(rdev, vm);
if (r)
return r;
@@ -536,6 +539,8 @@ static int radeon_bo_vm_update_pte(struct radeon_cs_parser *p,
r = radeon_vm_bo_update(rdev, bo_va, &bo->tbo.mem);
if (r)
return r;
radeon_sync_fence(&p->ib.sync, bo_va->last_pt_update);
}
return radeon_vm_clear_invalids(rdev, vm);
@@ -580,7 +585,6 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
DRM_ERROR("Failed to sync rings: %i\n", r);
goto out;
}
radeon_sync_fence(&parser->ib.sync, vm->fence);
if ((rdev->family >= CHIP_TAHITI) &&
(parser->chunk_const_ib_idx != -1)) {