diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo5039.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo5039.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo5039.c b/drivers/gpu/drm/nouveau/nouveau_bo5039.c new file mode 100644 index 000000000000..a047f7943e6d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_bo5039.c @@ -0,0 +1,121 @@ +/* + * Copyright 2007 Dave Airlied + * All Rights Reserved. + * + * 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 (including the next + * paragraph) 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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. + */ +/* + * Authors: Dave Airlied <airlied@linux.ie> + * Ben Skeggs <darktama@iinet.net.au> + * Jeremy Kolb <jkolb@brandeis.edu> + */ +#include "nouveau_bo.h" +#include "nouveau_dma.h" +#include "nouveau_drv.h" +#include "nouveau_mem.h" + +int +nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo, + struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg) +{ + struct nouveau_mem *mem = nouveau_mem(old_reg); + u64 length = (new_reg->num_pages << PAGE_SHIFT); + u64 src_offset = mem->vma[0].addr; + u64 dst_offset = mem->vma[1].addr; + int src_tiled = !!mem->kind; + int dst_tiled = !!nouveau_mem(new_reg)->kind; + int ret; + + while (length) { + u32 amount, stride, height; + + ret = RING_SPACE(chan, 18 + 6 * (src_tiled + dst_tiled)); + if (ret) + return ret; + + amount = min(length, (u64)(4 * 1024 * 1024)); + stride = 16 * 4; + height = amount / stride; + + if (src_tiled) { + BEGIN_NV04(chan, NvSubCopy, 0x0200, 7); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + } else { + BEGIN_NV04(chan, NvSubCopy, 0x0200, 1); + OUT_RING (chan, 1); + } + if (dst_tiled) { + BEGIN_NV04(chan, NvSubCopy, 0x021c, 7); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + } else { + BEGIN_NV04(chan, NvSubCopy, 0x021c, 1); + OUT_RING (chan, 1); + } + + BEGIN_NV04(chan, NvSubCopy, 0x0238, 2); + OUT_RING (chan, upper_32_bits(src_offset)); + OUT_RING (chan, upper_32_bits(dst_offset)); + BEGIN_NV04(chan, NvSubCopy, 0x030c, 8); + OUT_RING (chan, lower_32_bits(src_offset)); + OUT_RING (chan, lower_32_bits(dst_offset)); + OUT_RING (chan, stride); + OUT_RING (chan, stride); + OUT_RING (chan, stride); + OUT_RING (chan, height); + OUT_RING (chan, 0x00000101); + OUT_RING (chan, 0x00000000); + BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1); + OUT_RING (chan, 0); + + length -= amount; + src_offset += amount; + dst_offset += amount; + } + + return 0; +} + +int +nv50_bo_move_init(struct nouveau_channel *chan, u32 handle) +{ + int ret = RING_SPACE(chan, 6); + if (ret == 0) { + BEGIN_NV04(chan, NvSubCopy, 0x0000, 1); + OUT_RING (chan, handle); + BEGIN_NV04(chan, NvSubCopy, 0x0180, 3); + OUT_RING (chan, chan->drm->ntfy.handle); + OUT_RING (chan, chan->vram.handle); + OUT_RING (chan, chan->vram.handle); + } + + return ret; +} |