/* * Copyright 2020 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include "nouveau_bo.h" #include "nouveau_dma.h" #include "nouveau_mem.h" #include <nvif/push906f.h> /*XXX: Fixup class to be compatible with NVIDIA's, which will allow sharing * code with KeplerDmaCopyA. */ int nvc0_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo, struct ttm_resource *old_reg, struct ttm_resource *new_reg) { struct nouveau_mem *mem = nouveau_mem(old_reg); struct nvif_push *push = chan->chan.push; u64 src_offset = mem->vma[0].addr; u64 dst_offset = mem->vma[1].addr; u32 page_count = PFN_UP(new_reg->size); int ret; page_count = PFN_UP(new_reg->size); while (page_count) { int line_count = (page_count > 8191) ? 8191 : page_count; ret = PUSH_WAIT(push, 10); if (ret) return ret; PUSH_NVSQ(push, NV90B5, 0x030c, upper_32_bits(src_offset), 0x0310, lower_32_bits(src_offset), 0x0314, upper_32_bits(dst_offset), 0x0318, lower_32_bits(dst_offset), 0x031c, PAGE_SIZE, 0x0320, PAGE_SIZE, 0x0324, PAGE_SIZE, 0x0328, line_count); PUSH_NVIM(push, NV90B5, 0x0300, 0x0110); page_count -= line_count; src_offset += (PAGE_SIZE * line_count); dst_offset += (PAGE_SIZE * line_count); } return 0; }