Commit 8b9d5d63 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/bo: split buffer move functions into their own source files 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
parent a535aa67

drivers/gpu/drm/nouveau/Kbuild

+7 −0
Original line number Diff line number Diff line
@@ -32,6 +32,13 @@ nouveau-y += nouveau_vga.o 


# DRM - memory management

nouveau-y += nouveau_bo.o

nouveau-y += nouveau_bo0039.o

nouveau-y += nouveau_bo5039.o

nouveau-y += nouveau_bo74c1.o

nouveau-y += nouveau_bo85b5.o

nouveau-y += nouveau_bo9039.o

nouveau-y += nouveau_bo90b5.o

nouveau-y += nouveau_boa0b5.o

nouveau-y += nouveau_gem.o

nouveau-$(CONFIG_DRM_NOUVEAU_SVM) += nouveau_svm.o

nouveau-$(CONFIG_DRM_NOUVEAU_SVM) += nouveau_dmem.o

drivers/gpu/drm/nouveau/nouveau_bo.c

+1 −356
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ 
#include <linux/swiotlb.h>



#include "nouveau_drv.h"

#include "nouveau_dma.h"

#include "nouveau_chan.h"

#include "nouveau_fence.h"



#include "nouveau_bo.h"
@@ -724,360 +724,6 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) 
	*pl = nvbo->placement;

}





static int

nve0_bo_move_init(struct nouveau_channel *chan, u32 handle)

{

	int ret = RING_SPACE(chan, 2);

	if (ret == 0) {

		BEGIN_NVC0(chan, NvSubCopy, 0x0000, 1);

		OUT_RING  (chan, handle & 0x0000ffff);

		FIRE_RING (chan);

	}

	return ret;

}



static int

nve0_bo_move_copy(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);

	int ret = RING_SPACE(chan, 10);

	if (ret == 0) {

		BEGIN_NVC0(chan, NvSubCopy, 0x0400, 8);

		OUT_RING  (chan, upper_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, upper_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, new_reg->num_pages);

		BEGIN_IMC0(chan, NvSubCopy, 0x0300, 0x0386);

	}

	return ret;

}



static int

nvc0_bo_move_init(struct nouveau_channel *chan, u32 handle)

{

	int ret = RING_SPACE(chan, 2);

	if (ret == 0) {

		BEGIN_NVC0(chan, NvSubCopy, 0x0000, 1);

		OUT_RING  (chan, handle);

	}

	return ret;

}



static int

nvc0_bo_move_copy(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 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 = RING_SPACE(chan, 11);

		if (ret)

			return ret;



		BEGIN_NVC0(chan, NvSubCopy, 0x030c, 8);

		OUT_RING  (chan, upper_32_bits(src_offset));

		OUT_RING  (chan, lower_32_bits(src_offset));

		OUT_RING  (chan, upper_32_bits(dst_offset));

		OUT_RING  (chan, lower_32_bits(dst_offset));

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, line_count);

		BEGIN_NVC0(chan, NvSubCopy, 0x0300, 1);

		OUT_RING  (chan, 0x00000110);



		page_count -= line_count;

		src_offset += (PAGE_SIZE * line_count);

		dst_offset += (PAGE_SIZE * line_count);

	}



	return 0;

}



static int

nvc0_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 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 > 2047) ? 2047 : page_count;



		ret = RING_SPACE(chan, 12);

		if (ret)

			return ret;



		BEGIN_NVC0(chan, NvSubCopy, 0x0238, 2);

		OUT_RING  (chan, upper_32_bits(dst_offset));

		OUT_RING  (chan, lower_32_bits(dst_offset));

		BEGIN_NVC0(chan, NvSubCopy, 0x030c, 6);

		OUT_RING  (chan, upper_32_bits(src_offset));

		OUT_RING  (chan, lower_32_bits(src_offset));

		OUT_RING  (chan, PAGE_SIZE); /* src_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* dst_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* line_length */

		OUT_RING  (chan, line_count);

		BEGIN_NVC0(chan, NvSubCopy, 0x0300, 1);

		OUT_RING  (chan, 0x00100110);



		page_count -= line_count;

		src_offset += (PAGE_SIZE * line_count);

		dst_offset += (PAGE_SIZE * line_count);

	}



	return 0;

}



static int

nva3_bo_move_copy(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 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 = RING_SPACE(chan, 11);

		if (ret)

			return ret;



		BEGIN_NV04(chan, NvSubCopy, 0x030c, 8);

		OUT_RING  (chan, upper_32_bits(src_offset));

		OUT_RING  (chan, lower_32_bits(src_offset));

		OUT_RING  (chan, upper_32_bits(dst_offset));

		OUT_RING  (chan, lower_32_bits(dst_offset));

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, PAGE_SIZE);

		OUT_RING  (chan, line_count);

		BEGIN_NV04(chan, NvSubCopy, 0x0300, 1);

		OUT_RING  (chan, 0x00000110);



		page_count -= line_count;

		src_offset += (PAGE_SIZE * line_count);

		dst_offset += (PAGE_SIZE * line_count);

	}



	return 0;

}



static int

nv98_bo_move_exec(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);

	int ret = RING_SPACE(chan, 7);

	if (ret == 0) {

		BEGIN_NV04(chan, NvSubCopy, 0x0320, 6);

		OUT_RING  (chan, upper_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, upper_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, 0x00000000 /* COPY */);

		OUT_RING  (chan, new_reg->num_pages << PAGE_SHIFT);

	}

	return ret;

}



static int

nv84_bo_move_exec(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);

	int ret = RING_SPACE(chan, 7);

	if (ret == 0) {

		BEGIN_NV04(chan, NvSubCopy, 0x0304, 6);

		OUT_RING  (chan, new_reg->num_pages << PAGE_SHIFT);

		OUT_RING  (chan, upper_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[0].addr));

		OUT_RING  (chan, upper_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, lower_32_bits(mem->vma[1].addr));

		OUT_RING  (chan, 0x00000000 /* MODE_COPY, QUERY_NONE */);

	}

	return ret;

}



static 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;

}



static 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;

}



static int

nv04_bo_move_init(struct nouveau_channel *chan, u32 handle)

{

	int ret = RING_SPACE(chan, 4);

	if (ret == 0) {

		BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);

		OUT_RING  (chan, handle);

		BEGIN_NV04(chan, NvSubCopy, 0x0180, 1);

		OUT_RING  (chan, chan->drm->ntfy.handle);

	}



	return ret;

}



static inline uint32_t

nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo,

		      struct nouveau_channel *chan, struct ttm_mem_reg *reg)

{

	if (reg->mem_type == TTM_PL_TT)

		return NvDmaTT;

	return chan->vram.handle;

}



static int

nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,

		  struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg)

{

	u32 src_offset = old_reg->start << PAGE_SHIFT;

	u32 dst_offset = new_reg->start << PAGE_SHIFT;

	u32 page_count = new_reg->num_pages;

	int ret;



	ret = RING_SPACE(chan, 3);

	if (ret)

		return ret;



	BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2);

	OUT_RING  (chan, nouveau_bo_mem_ctxdma(bo, chan, old_reg));

	OUT_RING  (chan, nouveau_bo_mem_ctxdma(bo, chan, new_reg));



	page_count = new_reg->num_pages;

	while (page_count) {

		int line_count = (page_count > 2047) ? 2047 : page_count;



		ret = RING_SPACE(chan, 11);

		if (ret)

			return ret;



		BEGIN_NV04(chan, NvSubCopy,

				 NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);

		OUT_RING  (chan, src_offset);

		OUT_RING  (chan, dst_offset);

		OUT_RING  (chan, PAGE_SIZE); /* src_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* dst_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* line_length */

		OUT_RING  (chan, line_count);

		OUT_RING  (chan, 0x00000101);

		OUT_RING  (chan, 0x00000000);

		BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);

		OUT_RING  (chan, 0);



		page_count -= line_count;

		src_offset += (PAGE_SIZE * line_count);

		dst_offset += (PAGE_SIZE * line_count);

	}



	return 0;

}



static int

nouveau_bo_move_prep(struct nouveau_drm *drm, struct ttm_buffer_object *bo,

		     struct ttm_mem_reg *reg)
@@ -1181,7 +827,6 @@ nouveau_bo_move_init(struct nouveau_drm *drm) 
		{  "M2MF", 0, 0x5039, nv50_bo_move_m2mf, nv50_bo_move_init },

		{  "M2MF", 0, 0x0039, nv04_bo_move_m2mf, nv04_bo_move_init },

		{},

		{ "CRYPT", 0, 0x88b4, nv98_bo_move_exec, nv50_bo_move_init },

	};

	const struct _method_table *mthd = _methods;

	const char *name = "CPU";

drivers/gpu/drm/nouveau/nouveau_bo.h

+29 −2
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: MIT */

#ifndef __NOUVEAU_BO_H__

#define __NOUVEAU_BO_H__



#include <drm/ttm/ttm_bo_driver.h>

#include <drm/drm_gem.h>



struct nouveau_channel;

struct nouveau_cli;

struct nouveau_drm;

struct nouveau_fence;

struct nvkm_vma;



struct nouveau_bo {

	struct ttm_buffer_object bo;
@@ -135,4 +136,30 @@ nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 flags, 
	}

	return ret;

}



int nv04_bo_move_init(struct nouveau_channel *, u32);

int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nv50_bo_move_init(struct nouveau_channel *, u32);

int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nvc0_bo_move_init(struct nouveau_channel *, u32);

int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



int nve0_bo_move_init(struct nouveau_channel *, u32);

int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,

		      struct ttm_mem_reg *, struct ttm_mem_reg *);



#endif

drivers/gpu/drm/nouveau/nouveau_bo0039.c

0 → 100644
+100 −0
Original line number Diff line number Diff line 
/*

 * 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"



static inline uint32_t

nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo,

		      struct nouveau_channel *chan, struct ttm_mem_reg *reg)

{

	if (reg->mem_type == TTM_PL_TT)

		return NvDmaTT;

	return chan->vram.handle;

}



int

nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,

		  struct ttm_mem_reg *old_reg, struct ttm_mem_reg *new_reg)

{

	u32 src_offset = old_reg->start << PAGE_SHIFT;

	u32 dst_offset = new_reg->start << PAGE_SHIFT;

	u32 page_count = new_reg->num_pages;

	int ret;



	ret = RING_SPACE(chan, 3);

	if (ret)

		return ret;



	BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_DMA_SOURCE, 2);

	OUT_RING  (chan, nouveau_bo_mem_ctxdma(bo, chan, old_reg));

	OUT_RING  (chan, nouveau_bo_mem_ctxdma(bo, chan, new_reg));



	page_count = new_reg->num_pages;

	while (page_count) {

		int line_count = (page_count > 2047) ? 2047 : page_count;



		ret = RING_SPACE(chan, 11);

		if (ret)

			return ret;



		BEGIN_NV04(chan, NvSubCopy,

				 NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);

		OUT_RING  (chan, src_offset);

		OUT_RING  (chan, dst_offset);

		OUT_RING  (chan, PAGE_SIZE); /* src_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* dst_pitch */

		OUT_RING  (chan, PAGE_SIZE); /* line_length */

		OUT_RING  (chan, line_count);

		OUT_RING  (chan, 0x00000101);

		OUT_RING  (chan, 0x00000000);

		BEGIN_NV04(chan, NvSubCopy, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);

		OUT_RING  (chan, 0);



		page_count -= line_count;

		src_offset += (PAGE_SIZE * line_count);

		dst_offset += (PAGE_SIZE * line_count);

	}



	return 0;

}



int

nv04_bo_move_init(struct nouveau_channel *chan, u32 handle)

{

	int ret = RING_SPACE(chan, 4);

	if (ret == 0) {

		BEGIN_NV04(chan, NvSubCopy, 0x0000, 1);

		OUT_RING  (chan, handle);

		BEGIN_NV04(chan, NvSubCopy, 0x0180, 1);

		OUT_RING  (chan, chan->drm->ntfy.handle);

	}



	return ret;

}

drivers/gpu/drm/nouveau/nouveau_bo5039.c

0 → 100644
+121 −0
Original line number Diff line number Diff line 
/*

 * 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;

}