diff options
| author | Christian König <christian.koenig@amd.com> | 2015-09-01 15:33:25 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-09-02 12:19:54 -0400 |
| commit | a60c42320b375e80e52e7861acd6b81c61f05166 (patch) | |
| tree | 37a53a86ccfe8d307664801d4cd4ad7f7af4339e | |
| parent | c9f0fe5e19ec485476c3b22e9265016b96c813ef (diff) | |
drm/amdgpu: use PT for VM sync on unmap
Instead of the array which is used for ID management.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 83b7ce6f5f72..5848564d3d66 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -627,9 +627,14 @@ static int amdgpu_vm_update_ptes(struct amdgpu_device *adev, { uint64_t mask = AMDGPU_VM_PTE_COUNT - 1; uint64_t last_pte = ~0, last_dst = ~0; + void *owner = AMDGPU_FENCE_OWNER_VM; unsigned count = 0; uint64_t addr; + /* sync to everything on unmapping */ + if (!(flags & AMDGPU_PTE_VALID)) + owner = AMDGPU_FENCE_OWNER_UNDEFINED; + /* walk over the address space and update the page tables */ for (addr = start; addr < end; ) { uint64_t pt_idx = addr >> amdgpu_vm_block_size; @@ -638,8 +643,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_device *adev, uint64_t pte; int r; - amdgpu_sync_resv(adev, &ib->sync, pt->tbo.resv, - AMDGPU_FENCE_OWNER_VM); + amdgpu_sync_resv(adev, &ib->sync, pt->tbo.resv, owner); r = reservation_object_reserve_shared(pt->tbo.resv); if (r) return r; @@ -790,17 +794,6 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, ib->length_dw = 0; - if (!(flags & AMDGPU_PTE_VALID)) { - unsigned i; - - for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { - struct amdgpu_fence *f = vm->ids[i].last_id_use; - r = amdgpu_sync_fence(adev, &ib->sync, &f->base); - if (r) - return r; - } - } - r = amdgpu_vm_update_ptes(adev, vm, ib, mapping->it.start, mapping->it.last + 1, addr + mapping->offset, flags, gtt_flags); |