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drm/radeon: sync PT updates as shared v2

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Only invalidating PTEs needs to be executed synchronized to using the PT.

v2: fix sync to uses

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 14:01:28 +01:00 committed by Alex Deucher
parent 43ac885764
commit d1968e1db8
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/radeon/radeon_vm.c
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@ -820,7 +820,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
unsigned nptes;
uint64_t pte;
radeon_sync_resv(rdev, &ib->sync, pt->tbo.resv, false);
radeon_sync_resv(rdev, &ib->sync, pt->tbo.resv, true);
if ((addr & ~mask) == (end & ~mask))
nptes = end - addr;
@ -980,6 +980,13 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
return r;
ib.length_dw = 0;
if (!(bo_va->flags & RADEON_VM_PAGE_VALID)) {
unsigned i;
for (i = 0; i < RADEON_NUM_RINGS; ++i)
radeon_sync_fence(&ib.sync, vm->ids[i].last_id_use);
}
radeon_vm_update_ptes(rdev, vm, &ib, bo_va->it.start,
bo_va->it.last + 1, addr,
radeon_vm_page_flags(bo_va->flags));