C++ (Cpp) nouveau_bo_vma_find示例

示例#1

文件： nouveau_gem.c 项目： DirtyDroidX/android_kernel_htc_m8ul

static int
nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
		 struct drm_nouveau_gem_info *rep)
{
	struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
	struct nouveau_vma *vma;

	if (nvbo->bo.mem.mem_type == TTM_PL_TT)
		rep->domain = NOUVEAU_GEM_DOMAIN_GART;
	else
		rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;

	rep->offset = nvbo->bo.offset;
	if (fpriv->vm) {
		vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
		if (!vma)
			return -EINVAL;

		rep->offset = vma->offset;
	}

	rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
	rep->map_handle = nvbo->bo.addr_space_offset;
	rep->tile_mode = nvbo->tile_mode;
	rep->tile_flags = nvbo->tile_flags;
	return 0;
}

示例#2

文件： nouveau_dma.c 项目： ryo/netbsd-src

void
nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo,
              int delta, int length)
{
    struct nouveau_bo *pb = chan->push.buffer;
    struct nouveau_vma *vma;
    int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base;
    u64 offset;

    vma = nouveau_bo_vma_find(bo, nv_client(chan->cli)->vm);
    BUG_ON(!vma);
    offset = vma->offset + delta;

    BUG_ON(chan->dma.ib_free < 1);

    nouveau_bo_wr32(pb, ip++, lower_32_bits(offset));
    nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8);

    chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;

    mb();
    /* Flush writes. */
    nouveau_bo_rd32(pb, 0);

    nv_wo32(chan->object, 0x8c, chan->dma.ib_put);
    chan->dma.ib_free--;
}

示例#3

文件： nouveau_gem.c 项目： JamesLinus/nouveau

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);
}

示例#4

文件： nouveau_gem.c 项目： alsandeep/linux-linaro-4.1

static int
nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
		 struct drm_nouveau_gem_info *rep)
{
	struct nouveau_cli *cli = nouveau_cli(file_priv);
	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
	struct nvkm_vma *vma;

	if (is_power_of_2(nvbo->valid_domains))
		rep->domain = nvbo->valid_domains;
	else if (nvbo->bo.mem.mem_type == TTM_PL_TT)
		rep->domain = NOUVEAU_GEM_DOMAIN_GART;
	else
		rep->domain = NOUVEAU_GEM_DOMAIN_VRAM;
	rep->offset = nvbo->bo.offset;
	if (cli->vm) {
		vma = nouveau_bo_vma_find(nvbo, cli->vm);
		if (!vma)
			return -EINVAL;

		rep->offset = vma->offset;
	}

	rep->size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
	rep->map_handle = drm_vma_node_offset_addr(&nvbo->bo.vma_node);
	rep->tile_mode = nvbo->tile_mode;
	rep->tile_flags = nvbo->tile_flags;
	return 0;
}

示例#5

文件： nouveau_gem.c 项目： JamesLinus/nouveau

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;
}

示例#6

文件： nouveau_gem.c 项目： gic4107/HSA-linux

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_vma *vma;
	int ret;

	if (!cli->base.vm)
		return;

	ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
	if (ret)
		return;

	vma = nouveau_bo_vma_find(nvbo, cli->base.vm);
	if (vma) {
		if (--vma->refcount == 0)
			nouveau_gem_object_unmap(nvbo, vma);
	}
	ttm_bo_unreserve(&nvbo->bo);
}

示例#7

文件： nouveau_gem.c 项目： DirtyDroidX/android_kernel_htc_m8ul

void
nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
{
	struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
	struct nouveau_vma *vma;
	int ret;

	if (!fpriv->vm)
		return;

	ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
	if (ret)
		return;

	vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
	if (vma) {
		if (--vma->refcount == 0) {
			nouveau_bo_vma_del(nvbo, vma);
			kfree(vma);
		}
	}
	ttm_bo_unreserve(&nvbo->bo);
}

示例#8

文件： nouveau_gem.c 项目： DirtyDroidX/android_kernel_htc_m8ul

int
nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
{
	struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
	struct nouveau_vma *vma;
	int ret;

	if (!fpriv->vm)
		return 0;

	ret = ttm_bo_reserve(&nvbo->bo, false, false, false, 0);
	if (ret)
		return ret;

	vma = nouveau_bo_vma_find(nvbo, fpriv->vm);
	if (!vma) {
		vma = kzalloc(sizeof(*vma), GFP_KERNEL);
		if (!vma) {
			ret = -ENOMEM;
			goto out;
		}

		ret = nouveau_bo_vma_add(nvbo, fpriv->vm, vma);
		if (ret) {
			kfree(vma);
			goto out;
		}
	} else {
		vma->refcount++;
	}

out:
	ttm_bo_unreserve(&nvbo->bo);
	return ret;
}