diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1eae307..d2824d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -65,6 +65,8 @@ struct amdgpu_pte_update_params { void (*func)(struct amdgpu_pte_update_params *params, uint64_t pe, uint64_t addr, unsigned count, uint32_t incr, uint32_t flags); + /* indicate update pt or its shadow */ + bool shadow; }; /** @@ -761,7 +763,11 @@ static void amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, addr = start; pt_idx = addr >> amdgpu_vm_block_size; pt = vm->page_tables[pt_idx].entry.robj; - + if (params->shadow) { + if (!pt->shadow) + return; + pt = vm->page_tables[pt_idx].entry.robj->shadow; + } if ((addr & ~mask) == (end & ~mask)) nptes = end - addr; else @@ -780,6 +786,11 @@ static void amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, while (addr < end) { pt_idx = addr >> amdgpu_vm_block_size; pt = vm->page_tables[pt_idx].entry.robj; + if (params->shadow) { + if (!pt->shadow) + return; + pt = vm->page_tables[pt_idx].entry.robj->shadow; + } if ((addr & ~mask) == (end & ~mask)) nptes = end - addr; @@ -1004,6 +1015,9 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, if (r) goto error_free; + params.shadow = true; + amdgpu_vm_frag_ptes(¶ms, vm, start, last + 1, addr, flags); + params.shadow = false; amdgpu_vm_frag_ptes(¶ms, vm, start, last + 1, addr, flags); amdgpu_ring_pad_ib(ring, params.ib); |