static int
nv84_fence_context_new(struct nouveau_channel *chan, int engine)
{
struct nv84_fence_priv *priv = nv_engine(chan->dev, engine);
struct nv84_fence_chan *fctx;
struct nouveau_gpuobj *obj;
int ret;
fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
if (!fctx)
return -ENOMEM;
nouveau_fence_context_new(&fctx->base);
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_FROM_MEMORY,
priv->mem->vinst, priv->mem->size,
NV_MEM_ACCESS_RW,
NV_MEM_TARGET_VRAM, &obj);
if (ret == 0) {
ret = nouveau_ramht_insert(chan, NvSema, obj);
nouveau_gpuobj_ref(NULL, &obj);
nv_wo32(priv->mem, chan->id * 16, 0x00000000);
}
if (ret)
nv84_fence_context_del(chan, engine);
return ret;
}
static int
nv10_fence_context_new(struct nouveau_channel *chan, int engine)
{
struct nv10_fence_priv *priv = nv_engine(chan->dev, engine);
struct nv10_fence_chan *fctx;
struct nouveau_gpuobj *obj;
int ret = 0;
fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
if (!fctx)
return -ENOMEM;
nouveau_fence_context_new(&fctx->base);
if (priv->bo) {
struct ttm_mem_reg *mem = &priv->bo->bo.mem;
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_FROM_MEMORY,
mem->start * PAGE_SIZE, mem->size,
NV_MEM_ACCESS_RW,
NV_MEM_TARGET_VRAM, &obj);
if (!ret) {
ret = nouveau_ramht_insert(chan, NvSema, obj);
nouveau_gpuobj_ref(NULL, &obj);
}
}
if (ret)
nv10_fence_context_del(chan, engine);
return ret;
}
static int
nvd0_disp_dmac_object_attach(struct nouveau_object *parent,
struct nouveau_object *object, u32 name)
{
struct nv50_disp_base *base = (void *)parent->parent;
struct nv50_disp_chan *chan = (void *)parent;
u32 addr = nv_gpuobj(object)->node->offset;
u32 data = (chan->chid << 27) | (addr << 9) | 0x00000001;
return nouveau_ramht_insert(base->ramht, chan->chid, name, data);
}
int
nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
int size, uint32_t start, uint32_t end,
uint32_t *b_offset)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *nobj = NULL;
struct drm_mm_node *mem;
uint32_t offset;
int target, ret;
mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0,
start, end, 0);
if (mem)
mem = drm_mm_get_block_range(mem, size, 0, start, end);
if (!mem) {
NV_ERROR(dev, "Channel %d notifier block full\n", chan->id);
return -ENOMEM;
}
if (dev_priv->card_type < NV_50) {
if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM)
target = NV_MEM_TARGET_VRAM;
else
target = NV_MEM_TARGET_GART;
offset = chan->notifier_bo->bo.mem.start << PAGE_SHIFT;
} else {
target = NV_MEM_TARGET_VM;
offset = chan->notifier_bo->vma.offset;
}
offset += mem->start;
ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, offset,
mem->size, NV_MEM_ACCESS_RW, target,
&nobj);
if (ret) {
drm_mm_put_block(mem);
NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret);
return ret;
}
nobj->dtor = nouveau_notifier_gpuobj_dtor;
nobj->priv = mem;
ret = nouveau_ramht_insert(chan, handle, nobj);
nouveau_gpuobj_ref(NULL, &nobj);
if (ret) {
drm_mm_put_block(mem);
NV_ERROR(dev, "Error adding notifier to ramht: %d\n", ret);
return ret;
}
*b_offset = mem->start;
return 0;
}
static int
nouveau_card_init_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gpuobj = NULL;
int ret;
ret = nouveau_channel_alloc(dev, &dev_priv->channel,
(struct drm_file *)-2, NvDmaFB, NvDmaTT);
if (ret)
return ret;
ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
0, dev_priv->vram_size,
NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
&gpuobj);
if (ret)
goto out_err;
ret = nouveau_ramht_insert(dev_priv->channel, NvDmaVRAM, gpuobj);
nouveau_gpuobj_ref(NULL, &gpuobj);
if (ret)
goto out_err;
ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RW, &gpuobj, NULL);
if (ret)
goto out_err;
ret = nouveau_ramht_insert(dev_priv->channel, NvDmaGART, gpuobj);
nouveau_gpuobj_ref(NULL, &gpuobj);
if (ret)
goto out_err;
return 0;
out_err:
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
return ret;
}