void
nouveau_gem_object_del(struct drm_gem_object *gem)
{
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
struct device *dev = drm->dev->dev;
int ret;
ret = pm_runtime_get_sync(dev);
if (WARN_ON(ret < 0 && ret != -EACCES))
return;
if (gem->import_attach)
drm_prime_gem_destroy(gem, nvbo->bo.sg);
drm_gem_object_release(gem);
/* reset filp so nouveau_bo_del_ttm() can test for it */
gem->filp = NULL;
ttm_bo_unref(&bo);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
void
nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
struct nvkm_vma *vma;
int ret;
if (!cli->vm)
return;
ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL);
if (ret)
return;
vma = nouveau_bo_vma_find(nvbo, cli->vm);
if (vma) {
if (--vma->refcount == 0) {
ret = pm_runtime_get_sync(dev);
if (!WARN_ON(ret < 0 && ret != -EACCES)) {
nouveau_gem_object_unmap(nvbo, vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
}
}
ttm_bo_unreserve(&nvbo->bo);
}
int
nouveau_bo_unpin(struct nouveau_bo *nvbo)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
int ret;
if (--nvbo->pin_refcnt)
return 0;
ret = ttm_bo_reserve(bo, false, false, false, 0);
if (ret)
return ret;
nouveau_bo_placement_set(nvbo, bo->mem.placement, 0);
ret = nouveau_bo_validate(nvbo, false, false, false);
if (ret == 0) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
dev_priv->fb_aper_free += bo->mem.size;
break;
case TTM_PL_TT:
dev_priv->gart_info.aper_free += bo->mem.size;
break;
default:
break;
}
}
ttm_bo_unreserve(bo);
return ret;
}
static int
nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem,
struct nouveau_tile_reg **new_tile)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
uint64_t offset;
if (nvbo->no_vm || new_mem->mem_type != TTM_PL_VRAM) {
/* Nothing to do. */
*new_tile = NULL;
return 0;
}
offset = new_mem->start << PAGE_SHIFT;
if (dev_priv->chan_vm) {
nouveau_vm_map(&nvbo->vma, new_mem->mm_node);
} else if (dev_priv->card_type >= NV_10) {
*new_tile = nv10_mem_set_tiling(dev, offset, new_mem->size,
nvbo->tile_mode,
nvbo->tile_flags);
}
return 0;
}
static void
nouveau_bo_fixup_align(struct nouveau_bo *nvbo, u32 flags,
int *align, u64 *size)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct nvif_device *device = &drm->client.device;
if (device->info.family < NV_DEVICE_INFO_V0_TESLA) {
if (nvbo->mode) {
if (device->info.chipset >= 0x40) {
*align = 65536;
*size = roundup_64(*size, 64 * nvbo->mode);
} else if (device->info.chipset >= 0x30) {
*align = 32768;
*size = roundup_64(*size, 64 * nvbo->mode);
} else if (device->info.chipset >= 0x20) {
*align = 16384;
*size = roundup_64(*size, 64 * nvbo->mode);
} else if (device->info.chipset >= 0x10) {
*align = 16384;
*size = roundup_64(*size, 32 * nvbo->mode);
}
}
} else {
*size = roundup_64(*size, (1 << nvbo->page));
*align = max((1 << nvbo->page), *align);
}
*size = roundup_64(*size, PAGE_SIZE);
}
static int
nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_channel *chan;
int ret;
chan = nvbo->channel;
if (!chan || nvbo->no_vm) {
chan = dev_priv->channel;
mutex_lock_nested(&chan->mutex, NOUVEAU_KCHANNEL_MUTEX);
}
if (dev_priv->card_type < NV_50)
ret = nv04_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
else if (dev_priv->card_type < NV_C0)
ret = nv50_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
else
ret = nvc0_bo_move_m2mf(chan, bo, &bo->mem, new_mem);
if (ret == 0) {
ret = nouveau_bo_move_accel_cleanup(chan, nvbo, evict,
no_wait_reserve,
no_wait_gpu, new_mem);
}
if (chan == dev_priv->channel)
mutex_unlock(&chan->mutex);
return ret;
}
int
nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct device *dev = drm->dev->dev;
struct nouveau_vma *vma;
int ret;
if (cli->vmm.vmm.object.oclass < NVIF_CLASS_VMM_NV50)
return 0;
ret = ttm_bo_reserve(&nvbo->bo, false, false, NULL);
if (ret)
return ret;
ret = pm_runtime_get_sync(dev);
if (ret < 0 && ret != -EACCES)
goto out;
ret = nouveau_vma_new(nvbo, &cli->vmm, &vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
out:
ttm_bo_unreserve(&nvbo->bo);
return ret;
}
static int
nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
/* as long as the bo isn't in vram, and isn't tiled, we've got
* nothing to do here.
*/
if (bo->mem.mem_type != TTM_PL_VRAM) {
if (dev_priv->card_type < NV_50 ||
!nouveau_bo_tile_layout(nvbo))
return 0;
}
/* make sure bo is in mappable vram */
if (bo->mem.start + bo->mem.num_pages < dev_priv->fb_mappable_pages)
return 0;
nvbo->placement.fpfn = 0;
nvbo->placement.lpfn = dev_priv->fb_mappable_pages;
nouveau_bo_placement_set(nvbo, TTM_PL_VRAM, 0);
return nouveau_bo_validate(nvbo, false, true, false);
}
struct ttm_tt *
nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
unsigned long size, uint32_t page_flags,
struct page *dummy_read_page)
{
struct nouveau_drm *drm = nouveau_bdev(bdev);
struct nouveau_sgdma_be *nvbe;
nvbe = kzalloc(sizeof(*nvbe), GFP_KERNEL);
if (!nvbe)
return NULL;
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA)
nvbe->ttm.ttm.func = &nv04_sgdma_backend;
else
nvbe->ttm.ttm.func = &nv50_sgdma_backend;
if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page))
/*
* A failing ttm_dma_tt_init() will call ttm_tt_destroy()
* and thus our nouveau_sgdma_destroy() hook, so we don't need
* to free nvbe here.
*/
return NULL;
return &nvbe->ttm.ttm;
}
static int
nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
struct ttm_mem_type_manager *man)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
struct drm_device *dev = dev_priv->dev;
switch (type) {
case TTM_PL_SYSTEM:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
break;
case TTM_PL_VRAM:
if (dev_priv->card_type >= NV_50) {
man->func = &nouveau_vram_manager;
man->io_reserve_fastpath = false;
man->use_io_reserve_lru = true;
} else {
man->func = &ttm_bo_manager_func;
}
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
break;
case TTM_PL_TT:
man->func = &ttm_bo_manager_func;
switch (dev_priv->gart_info.type) {
case NOUVEAU_GART_AGP:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
break;
case NOUVEAU_GART_SGDMA:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
TTM_MEMTYPE_FLAG_CMA;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
man->gpu_offset = dev_priv->gart_info.aper_base;
break;
default:
NV_ERROR(dev, "Unknown GART type: %d\n",
dev_priv->gart_info.type);
return -EINVAL;
}
break;
default:
NV_ERROR(dev, "Unsupported memory type %u\n", (unsigned)type);
return -EINVAL;
}
return 0;
}
int
nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
int ret;
if (nvbo->pin_refcnt && !(memtype & (1 << bo->mem.mem_type))) {
NV_ERROR(nouveau_bdev(bo->bdev)->dev,
"bo %p pinned elsewhere: 0x%08x vs 0x%08x\n", bo,
1 << bo->mem.mem_type, memtype);
return -EINVAL;
}
if (nvbo->pin_refcnt++)
return 0;
ret = ttm_bo_reserve(bo, false, false, false, 0);
if (ret)
goto out;
nouveau_bo_placement_set(nvbo, memtype, 0);
ret = nouveau_bo_validate(nvbo, false, false, false);
if (ret == 0) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
dev_priv->fb_aper_free -= bo->mem.size;
break;
case TTM_PL_TT:
dev_priv->gart_info.aper_free -= bo->mem.size;
break;
default:
break;
}
}
ttm_bo_unreserve(bo);
out:
if (unlikely(ret))
nvbo->pin_refcnt--;
return ret;
}
static void
nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct drm_device *dev = drm->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
if (unlikely(nvbo->gem.filp))
DRM_ERROR("bo %p still attached to GEM object\n", bo);
WARN_ON(nvbo->pin_refcnt > 0);
nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
kfree(nvbo);
}
static int
nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct ttm_mem_reg *old_mem = &bo->mem;
struct nouveau_tile_reg *new_tile = NULL;
int ret = 0;
ret = nouveau_bo_vm_bind(bo, new_mem, &new_tile);
if (ret)
return ret;
/* Fake bo copy. */
if (old_mem->mem_type == TTM_PL_SYSTEM && !bo->ttm) {
BUG_ON(bo->mem.mm_node != NULL);
bo->mem = *new_mem;
new_mem->mm_node = NULL;
goto out;
}
/* Software copy if the card isn't up and running yet. */
if (!dev_priv->channel) {
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
goto out;
}
/* Hardware assisted copy. */
if (new_mem->mem_type == TTM_PL_SYSTEM)
ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
else if (old_mem->mem_type == TTM_PL_SYSTEM)
ret = nouveau_bo_move_flips(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
else
ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
if (!ret)
goto out;
/* Fallback to software copy. */
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
out:
if (ret)
nouveau_bo_vm_cleanup(bo, NULL, &new_tile);
else
nouveau_bo_vm_cleanup(bo, new_tile, &nvbo->tile);
return ret;
}
static int
nvc0_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
u64 src_offset = old_mem->start << PAGE_SHIFT;
u64 dst_offset = new_mem->start << PAGE_SHIFT;
u32 page_count = new_mem->num_pages;
int ret;
if (!nvbo->no_vm) {
if (old_mem->mem_type == TTM_PL_VRAM)
src_offset = nvbo->vma.offset;
else
src_offset += dev_priv->gart_info.aper_base;
if (new_mem->mem_type == TTM_PL_VRAM)
dst_offset = nvbo->vma.offset;
else
dst_offset += dev_priv->gart_info.aper_base;
}
page_count = new_mem->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, 2, NvSubM2MF, 0x0238, 2);
OUT_RING (chan, upper_32_bits(dst_offset));
OUT_RING (chan, lower_32_bits(dst_offset));
BEGIN_NVC0(chan, 2, NvSubM2MF, 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, 2, NvSubM2MF, 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 void
nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
if (unlikely(nvbo->gem))
DRM_ERROR("bo %p still attached to GEM object\n", bo);
nv10_mem_put_tile_region(dev, nvbo->tile, NULL);
nouveau_vm_put(&nvbo->vma);
kfree(nvbo);
}
static void
nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
struct nouveau_tile_reg *new_tile,
struct nouveau_tile_reg **old_tile)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct drm_device *dev = dev_priv->dev;
if (dev_priv->card_type >= NV_10 &&
dev_priv->card_type < NV_50) {
nv10_mem_put_tile_region(dev, *old_tile, bo->sync_obj);
*old_tile = new_tile;
}
}
static void
nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
struct nouveau_vram *vram = mem->mm_node;
if (!dev_priv->bar1_vm || mem->mem_type != TTM_PL_VRAM)
return;
if (!vram->bar_vma.node)
return;
nouveau_vm_unmap(&vram->bar_vma);
nouveau_vm_put(&vram->bar_vma);
}
int
nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
{
struct nouveau_cli *cli = nouveau_cli(file_priv);
struct nouveau_bo *nvbo = nouveau_gem_object(gem);
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct nvkm_vma *vma;
struct device *dev = drm->dev->dev;
int ret;
if (!cli->vm)
return 0;
ret = ttm_bo_reserve(&nvbo->bo, false, false, false, NULL);
if (ret)
return ret;
vma = nouveau_bo_vma_find(nvbo, cli->vm);
if (!vma) {
vma = kzalloc(sizeof(*vma), GFP_KERNEL);
if (!vma) {
ret = -ENOMEM;
goto out;
}
ret = pm_runtime_get_sync(dev);
if (ret < 0 && ret != -EACCES)
goto out;
ret = nouveau_bo_vma_add(nvbo, cli->vm, vma);
if (ret)
kfree(vma);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
} else {
vma->refcount++;
}
out:
ttm_bo_unreserve(&nvbo->bo);
return ret;
}
static void
nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
ttm_bo_kunmap(&nvbo->kmap);
if (unlikely(nvbo->gem))
DRM_ERROR("bo %p still attached to GEM object\n", bo);
if (nvbo->tile)
nv10_mem_expire_tiling(dev, nvbo->tile, NULL);
spin_lock(&dev_priv->ttm.bo_list_lock);
list_del(&nvbo->head);
spin_unlock(&dev_priv->ttm.bo_list_lock);
kfree(nvbo);
}
static void
nouveau_bo_fixup_align(struct nouveau_bo *nvbo, int *align, int *size,
int *page_shift)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
if (dev_priv->card_type < NV_50) {
if (nvbo->tile_mode) {
if (dev_priv->chipset >= 0x40) {
*align = 65536;
*size = roundup(*size, 64 * nvbo->tile_mode);
} else if (dev_priv->chipset >= 0x30) {
*align = 32768;
*size = roundup(*size, 64 * nvbo->tile_mode);
} else if (dev_priv->chipset >= 0x20) {
*align = 16384;
*size = roundup(*size, 64 * nvbo->tile_mode);
} else if (dev_priv->chipset >= 0x10) {
*align = 16384;
*size = roundup(*size, 32 * nvbo->tile_mode);
}
}
} else {
if (likely(dev_priv->chan_vm)) {
if (*size > 256 * 1024)
*page_shift = dev_priv->chan_vm->lpg_shift;
else
*page_shift = dev_priv->chan_vm->spg_shift;
} else {
*page_shift = 12;
}
*size = roundup(*size, (1 << *page_shift));
*align = max((1 << *page_shift), *align);
}
*size = roundup(*size, PAGE_SIZE);
}
static struct ttm_backend *
nouveau_bo_create_ttm_backend_entry(struct ttm_bo_device *bdev)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
struct drm_device *dev = dev_priv->dev;
switch (dev_priv->gart_info.type) {
#if __OS_HAS_AGP
case NOUVEAU_GART_AGP:
return ttm_agp_backend_init(bdev, dev->agp->bridge);
#endif
case NOUVEAU_GART_SGDMA:
return nouveau_sgdma_init_ttm(dev);
default:
NV_ERROR(dev, "Unknown GART type %d\n",
dev_priv->gart_info.type);
break;
}
return NULL;
}
struct ttm_tt *
nouveau_sgdma_create_ttm(struct ttm_bo_device *bdev,
unsigned long size, uint32_t page_flags,
struct page *dummy_read_page)
{
struct nouveau_drm *drm = nouveau_bdev(bdev);
struct nouveau_sgdma_be *nvbe;
nvbe = kzalloc(sizeof(*nvbe), GFP_KERNEL);
if (!nvbe)
return NULL;
nvbe->dev = drm->dev;
if (nv_device(drm->device)->card_type < NV_50)
nvbe->ttm.ttm.func = &nv04_sgdma_backend;
else
nvbe->ttm.ttm.func = &nv50_sgdma_backend;
if (ttm_dma_tt_init(&nvbe->ttm, bdev, size, page_flags, dummy_read_page))
return NULL;
return &nvbe->ttm.ttm;
}
static void
set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(nvbo->bo.bdev);
int vram_pages = dev_priv->vram_size >> PAGE_SHIFT;
if (dev_priv->card_type == NV_10 &&
nvbo->tile_mode && (type & TTM_PL_FLAG_VRAM) &&
nvbo->bo.mem.num_pages < vram_pages / 2) {
/*
* Make sure that the color and depth buffers are handled
* by independent memory controller units. Up to a 9x
* speed up when alpha-blending and depth-test are enabled
* at the same time.
*/
if (nvbo->tile_flags & NOUVEAU_GEM_TILE_ZETA) {
nvbo->placement.fpfn = vram_pages / 2;
nvbo->placement.lpfn = ~0;
} else {
nvbo->placement.fpfn = 0;
nvbo->placement.lpfn = vram_pages / 2;
}
}
}
static int
nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
struct drm_device *dev = dev_priv->dev;
int ret;
mem->bus.addr = NULL;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* System memory */
return 0;
case TTM_PL_TT:
#if __OS_HAS_AGP
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = dev_priv->gart_info.aper_base;
mem->bus.is_iomem = true;
}
#endif
break;
case TTM_PL_VRAM:
{
struct nouveau_vram *vram = mem->mm_node;
u8 page_shift;
if (!dev_priv->bar1_vm) {
mem->bus.offset = mem->start << PAGE_SHIFT;
mem->bus.base = pci_resource_start(dev->pdev, 1);
mem->bus.is_iomem = true;
break;
}
if (dev_priv->card_type == NV_C0)
page_shift = vram->page_shift;
else
page_shift = 12;
ret = nouveau_vm_get(dev_priv->bar1_vm, mem->bus.size,
page_shift, NV_MEM_ACCESS_RW,
&vram->bar_vma);
if (ret)
return ret;
nouveau_vm_map(&vram->bar_vma, vram);
if (ret) {
nouveau_vm_put(&vram->bar_vma);
return ret;
}
mem->bus.offset = vram->bar_vma.offset;
if (dev_priv->card_type == NV_50) /*XXX*/
mem->bus.offset -= 0x0020000000ULL;
mem->bus.base = pci_resource_start(dev->pdev, 1);
mem->bus.is_iomem = true;
}
break;
default:
return -EINVAL;
}
return 0;
}
static int
nv50_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
u64 length = (new_mem->num_pages << PAGE_SHIFT);
u64 src_offset, dst_offset;
int ret;
src_offset = old_mem->start << PAGE_SHIFT;
dst_offset = new_mem->start << PAGE_SHIFT;
if (!nvbo->no_vm) {
if (old_mem->mem_type == TTM_PL_VRAM)
src_offset = nvbo->vma.offset;
else
src_offset += dev_priv->gart_info.aper_base;
if (new_mem->mem_type == TTM_PL_VRAM)
dst_offset = nvbo->vma.offset;
else
dst_offset += dev_priv->gart_info.aper_base;
}
ret = RING_SPACE(chan, 3);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 0x0184, 2);
OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, old_mem));
OUT_RING (chan, nouveau_bo_mem_ctxdma(bo, chan, new_mem));
while (length) {
u32 amount, stride, height;
amount = min(length, (u64)(4 * 1024 * 1024));
stride = 16 * 4;
height = amount / stride;
if (new_mem->mem_type == TTM_PL_VRAM &&
nouveau_bo_tile_layout(nvbo)) {
ret = RING_SPACE(chan, 8);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 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 {
ret = RING_SPACE(chan, 2);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 0x0200, 1);
OUT_RING (chan, 1);
}
if (old_mem->mem_type == TTM_PL_VRAM &&
nouveau_bo_tile_layout(nvbo)) {
ret = RING_SPACE(chan, 8);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 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 {
ret = RING_SPACE(chan, 2);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 0x021c, 1);
OUT_RING (chan, 1);
}
ret = RING_SPACE(chan, 14);
if (ret)
return ret;
BEGIN_RING(chan, NvSubM2MF, 0x0238, 2);
OUT_RING (chan, upper_32_bits(src_offset));
OUT_RING (chan, upper_32_bits(dst_offset));
BEGIN_RING(chan, NvSubM2MF, 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_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NOP, 1);
OUT_RING (chan, 0);
length -= amount;
src_offset += amount;
dst_offset += amount;
}
return 0;
}
