297 lines
8.4 KiB
C
297 lines
8.4 KiB
C
/*
|
|
* 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 "drmP.h"
|
|
#include "nouveau_drm.h"
|
|
#include "nouveau_drv.h"
|
|
#include "nouveau_dma.h"
|
|
|
|
static struct drm_ttm_backend *
|
|
nouveau_bo_create_ttm_backend_entry(struct drm_device * dev)
|
|
{
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
|
|
switch (dev_priv->gart_info.type) {
|
|
case NOUVEAU_GART_AGP:
|
|
return drm_agp_init_ttm(dev);
|
|
case NOUVEAU_GART_SGDMA:
|
|
return nouveau_sgdma_init_ttm(dev);
|
|
default:
|
|
DRM_ERROR("Unknown GART type %d\n", dev_priv->gart_info.type);
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
nouveau_bo_fence_type(struct drm_buffer_object *bo,
|
|
uint32_t *fclass, uint32_t *type)
|
|
{
|
|
/* When we get called, *fclass is set to the requested fence class */
|
|
|
|
if (bo->mem.proposed_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
|
|
*type = 3;
|
|
else
|
|
*type = 1;
|
|
return 0;
|
|
|
|
}
|
|
|
|
static int
|
|
nouveau_bo_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags)
|
|
{
|
|
/* We'll do this from user space. */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
nouveau_bo_init_mem_type(struct drm_device *dev, uint32_t type,
|
|
struct drm_mem_type_manager *man)
|
|
{
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
|
|
switch (type) {
|
|
case DRM_BO_MEM_LOCAL:
|
|
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
|
|
_DRM_FLAG_MEMTYPE_CACHED;
|
|
man->drm_bus_maptype = 0;
|
|
break;
|
|
case DRM_BO_MEM_VRAM:
|
|
man->flags = _DRM_FLAG_MEMTYPE_FIXED |
|
|
_DRM_FLAG_MEMTYPE_MAPPABLE |
|
|
_DRM_FLAG_NEEDS_IOREMAP;
|
|
man->io_addr = NULL;
|
|
man->drm_bus_maptype = _DRM_FRAME_BUFFER;
|
|
man->io_offset = drm_get_resource_start(dev, 1);
|
|
man->io_size = drm_get_resource_len(dev, 1);
|
|
if (man->io_size > nouveau_mem_fb_amount(dev))
|
|
man->io_size = nouveau_mem_fb_amount(dev);
|
|
break;
|
|
case DRM_BO_MEM_PRIV0:
|
|
/* Unmappable VRAM */
|
|
man->flags = _DRM_FLAG_MEMTYPE_CMA;
|
|
man->drm_bus_maptype = 0;
|
|
break;
|
|
case DRM_BO_MEM_TT:
|
|
switch (dev_priv->gart_info.type) {
|
|
case NOUVEAU_GART_AGP:
|
|
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
|
|
_DRM_FLAG_MEMTYPE_CSELECT |
|
|
_DRM_FLAG_NEEDS_IOREMAP;
|
|
man->drm_bus_maptype = _DRM_AGP;
|
|
break;
|
|
case NOUVEAU_GART_SGDMA:
|
|
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
|
|
_DRM_FLAG_MEMTYPE_CSELECT |
|
|
_DRM_FLAG_MEMTYPE_CMA;
|
|
man->drm_bus_maptype = _DRM_SCATTER_GATHER;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown GART type: %d\n",
|
|
dev_priv->gart_info.type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
man->io_offset = dev_priv->gart_info.aper_base;
|
|
man->io_size = dev_priv->gart_info.aper_size;
|
|
man->io_addr = NULL;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uint64_t
|
|
nouveau_bo_evict_flags(struct drm_buffer_object *bo)
|
|
{
|
|
switch (bo->mem.mem_type) {
|
|
case DRM_BO_MEM_LOCAL:
|
|
case DRM_BO_MEM_TT:
|
|
return DRM_BO_FLAG_MEM_LOCAL;
|
|
default:
|
|
return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* GPU-assisted copy using NV_MEMORY_TO_MEMORY_FORMAT, can access
|
|
* DRM_BO_MEM_{VRAM,PRIV0,TT} directly.
|
|
*/
|
|
static int
|
|
nouveau_bo_move_m2mf(struct drm_buffer_object *bo, int evict, int no_wait,
|
|
struct drm_bo_mem_reg *new_mem)
|
|
{
|
|
struct drm_device *dev = bo->dev;
|
|
struct drm_nouveau_private *dev_priv = dev->dev_private;
|
|
struct nouveau_drm_channel *dchan = &dev_priv->channel;
|
|
struct drm_bo_mem_reg *old_mem = &bo->mem;
|
|
uint32_t srch, dsth, page_count;
|
|
|
|
/* Can happen during init/takedown */
|
|
if (!dchan->chan)
|
|
return -EINVAL;
|
|
|
|
srch = old_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
|
|
dsth = new_mem->mem_type == DRM_BO_MEM_TT ? NvDmaTT : NvDmaFB;
|
|
if (srch != dchan->m2mf_dma_source || dsth != dchan->m2mf_dma_destin) {
|
|
dchan->m2mf_dma_source = srch;
|
|
dchan->m2mf_dma_destin = dsth;
|
|
|
|
BEGIN_RING(NvSubM2MF,
|
|
NV_MEMORY_TO_MEMORY_FORMAT_SET_DMA_SOURCE, 2);
|
|
OUT_RING (dchan->m2mf_dma_source);
|
|
OUT_RING (dchan->m2mf_dma_destin);
|
|
}
|
|
|
|
page_count = new_mem->num_pages;
|
|
while (page_count) {
|
|
int line_count = (page_count > 2047) ? 2047 : page_count;
|
|
|
|
BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
|
|
OUT_RING (old_mem->mm_node->start << PAGE_SHIFT);
|
|
OUT_RING (new_mem->mm_node->start << PAGE_SHIFT);
|
|
OUT_RING (PAGE_SIZE); /* src_pitch */
|
|
OUT_RING (PAGE_SIZE); /* dst_pitch */
|
|
OUT_RING (PAGE_SIZE); /* line_length */
|
|
OUT_RING (line_count);
|
|
OUT_RING ((1<<8)|(1<<0));
|
|
OUT_RING (0);
|
|
BEGIN_RING(NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
|
|
OUT_RING (0);
|
|
|
|
page_count -= line_count;
|
|
}
|
|
|
|
return drm_bo_move_accel_cleanup(bo, evict, no_wait, dchan->chan->id,
|
|
DRM_FENCE_TYPE_EXE, 0, new_mem);
|
|
}
|
|
|
|
/* Flip pages into the GART and move if we can. */
|
|
static int
|
|
nouveau_bo_move_flipd(struct drm_buffer_object *bo, int evict, int no_wait,
|
|
struct drm_bo_mem_reg *new_mem)
|
|
{
|
|
struct drm_device *dev = bo->dev;
|
|
struct drm_bo_mem_reg tmp_mem;
|
|
int ret;
|
|
|
|
tmp_mem = *new_mem;
|
|
tmp_mem.mm_node = NULL;
|
|
tmp_mem.proposed_flags = (DRM_BO_FLAG_MEM_TT |
|
|
DRM_BO_FLAG_CACHED |
|
|
DRM_BO_FLAG_FORCE_CACHING);
|
|
|
|
ret = drm_bo_mem_space(bo, &tmp_mem, no_wait);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = drm_ttm_bind(bo->ttm, &tmp_mem);
|
|
if (ret)
|
|
goto out_cleanup;
|
|
|
|
ret = nouveau_bo_move_m2mf(bo, 1, no_wait, &tmp_mem);
|
|
if (ret)
|
|
goto out_cleanup;
|
|
|
|
ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem);
|
|
|
|
out_cleanup:
|
|
if (tmp_mem.mm_node) {
|
|
mutex_lock(&dev->struct_mutex);
|
|
if (tmp_mem.mm_node != bo->pinned_node)
|
|
drm_mm_put_block(tmp_mem.mm_node);
|
|
tmp_mem.mm_node = NULL;
|
|
mutex_unlock(&dev->struct_mutex);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
nouveau_bo_move(struct drm_buffer_object *bo, int evict, int no_wait,
|
|
struct drm_bo_mem_reg *new_mem)
|
|
{
|
|
struct drm_bo_mem_reg *old_mem = &bo->mem;
|
|
|
|
if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
|
|
if (old_mem->mem_type == DRM_BO_MEM_LOCAL)
|
|
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
|
|
if (nouveau_bo_move_flipd(bo, evict, no_wait, new_mem))
|
|
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
|
|
}
|
|
else
|
|
if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
|
|
if (1 /*nouveau_bo_move_flips(bo, evict, no_wait, new_mem)*/)
|
|
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
|
|
}
|
|
else {
|
|
if (nouveau_bo_move_m2mf(bo, evict, no_wait, new_mem))
|
|
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
nouveau_bo_flush_ttm(struct drm_ttm *ttm)
|
|
{
|
|
}
|
|
|
|
static uint32_t nouveau_mem_prios[] = {
|
|
DRM_BO_MEM_PRIV0,
|
|
DRM_BO_MEM_VRAM,
|
|
DRM_BO_MEM_TT,
|
|
DRM_BO_MEM_LOCAL
|
|
};
|
|
static uint32_t nouveau_busy_prios[] = {
|
|
DRM_BO_MEM_TT,
|
|
DRM_BO_MEM_PRIV0,
|
|
DRM_BO_MEM_VRAM,
|
|
DRM_BO_MEM_LOCAL
|
|
};
|
|
|
|
struct drm_bo_driver nouveau_bo_driver = {
|
|
.mem_type_prio = nouveau_mem_prios,
|
|
.mem_busy_prio = nouveau_busy_prios,
|
|
.num_mem_type_prio = sizeof(nouveau_mem_prios)/sizeof(uint32_t),
|
|
.num_mem_busy_prio = sizeof(nouveau_busy_prios)/sizeof(uint32_t),
|
|
.create_ttm_backend_entry = nouveau_bo_create_ttm_backend_entry,
|
|
.fence_type = nouveau_bo_fence_type,
|
|
.invalidate_caches = nouveau_bo_invalidate_caches,
|
|
.init_mem_type = nouveau_bo_init_mem_type,
|
|
.evict_flags = nouveau_bo_evict_flags,
|
|
.move = nouveau_bo_move,
|
|
.ttm_cache_flush= nouveau_bo_flush_ttm,
|
|
.command_stream_barrier = NULL
|
|
};
|