68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
|
/*
|
||
|
|
* 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 = new_reg->num_pages;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
page_count = new_reg->num_pages;
|
||
|
|
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;
|
||
|
|
}
|