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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fe4249afd6
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*
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* Copyright 2007 Dave Airlied
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Authors: Dave Airlied <airlied@linux.ie>
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* Ben Skeggs <darktama@iinet.net.au>
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* Jeremy Kolb <jkolb@brandeis.edu>
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*/
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#include "nouveau_bo.h"
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#include "nouveau_dma.h"
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#include "nouveau_drv.h"
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#include "nouveau_mem.h"
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#include <nvif/push206e.h>
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int
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nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
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struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg)
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{
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struct nouveau_mem *mem = nouveau_mem(old_reg);
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struct nvif_push *push = chan->chan.push;
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u64 length = (new_reg->num_pages << PAGE_SHIFT);
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u64 src_offset = mem->vma[0].addr;
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u64 dst_offset = mem->vma[1].addr;
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int src_tiled = !!mem->kind;
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int dst_tiled = !!nouveau_mem(new_reg)->kind;
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int ret;
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while (length) {
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u32 amount, stride, height;
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ret = PUSH_WAIT(push, 18 + 6 * (src_tiled + dst_tiled));
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if (ret)
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return ret;
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amount = min(length, (u64)(4 * 1024 * 1024));
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stride = 16 * 4;
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height = amount / stride;
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if (src_tiled) {
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PUSH_NVSQ(push, NV5039, 0x0200, 0,
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0x0204, 0,
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0x0208, stride,
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0x020c, height,
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0x0210, 1,
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0x0214, 0,
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0x0218, 0);
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} else {
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PUSH_NVSQ(push, NV5039, 0x0200, 1);
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}
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if (dst_tiled) {
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PUSH_NVSQ(push, NV5039, 0x021c, 0,
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0x0220, 0,
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0x0224, stride,
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0x0228, height,
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0x022c, 1,
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0x0230, 0,
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0x0234, 0);
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} else {
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PUSH_NVSQ(push, NV5039, 0x021c, 1);
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}
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PUSH_NVSQ(push, NV5039, 0x0238, upper_32_bits(src_offset),
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0x023c, upper_32_bits(dst_offset));
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PUSH_NVSQ(push, NV5039, 0x030c, lower_32_bits(src_offset),
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0x0310, lower_32_bits(dst_offset),
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0x0314, stride,
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0x0318, stride,
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0x031c, stride,
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0x0320, height,
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0x0324, 0x00000101,
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0x0328, 0x00000000);
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PUSH_NVSQ(push, NV5039, 0x0100, 0x00000000);
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length -= amount;
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src_offset += amount;
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dst_offset += amount;
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}
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return 0;
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}
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int
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nv50_bo_move_init(struct nouveau_channel *chan, u32 handle)
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{
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struct nvif_push *push = chan->chan.push;
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int ret;
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ret = PUSH_WAIT(push, 6);
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if (ret)
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return ret;
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PUSH_NVSQ(push, NV5039, 0x0000, handle);
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PUSH_NVSQ(push, NV5039, 0x0180, chan->drm->ntfy.handle,
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0x0184, chan->vram.handle,
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0x0188, chan->vram.handle);
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return 0;
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}
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