bool *ttm_alloced;
unsigned nr_pages;
- unsigned pte_start;
+ u64 offset;
bool bound;
};
}
}
-static inline unsigned
-nouveau_sgdma_pte(struct drm_device *dev, uint64_t offset)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- unsigned pte = (offset >> NV_CTXDMA_PAGE_SHIFT);
-
- if (dev_priv->card_type < NV_50)
- return pte + 2;
-
- return pte << 1;
-}
-
static int
nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
{
NV_DEBUG(dev, "pg=0x%lx\n", mem->start);
- pte = nouveau_sgdma_pte(nvbe->dev, mem->start << PAGE_SHIFT);
- nvbe->pte_start = pte;
+ nvbe->offset = mem->start << PAGE_SHIFT;
+ pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
for (i = 0; i < nvbe->nr_pages; i++) {
dma_addr_t dma_offset = nvbe->pages[i];
uint32_t offset_l = lower_32_bits(dma_offset);
- uint32_t offset_h = upper_32_bits(dma_offset);
-
- for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++) {
- if (dev_priv->card_type < NV_50) {
- nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3);
- pte += 1;
- } else {
- nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 0x21);
- nv_wo32(gpuobj, (pte * 4) + 4, offset_h & 0xff);
- pte += 2;
- }
+ for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++) {
+ nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3);
dma_offset += NV_CTXDMA_PAGE_SIZE;
}
}
- dev_priv->engine.instmem.flush(nvbe->dev);
-
- if (dev_priv->card_type == NV_50) {
- nv50_vm_flush(dev, 5); /* PGRAPH */
- nv50_vm_flush(dev, 0); /* PFIFO */
- }
nvbe->bound = true;
return 0;
if (!nvbe->bound)
return 0;
- pte = nvbe->pte_start;
+ pte = (nvbe->offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
for (i = 0; i < nvbe->nr_pages; i++) {
- dma_addr_t dma_offset = dev_priv->gart_info.sg_dummy_bus;
-
- for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++) {
- if (dev_priv->card_type < NV_50) {
- nv_wo32(gpuobj, (pte * 4) + 0, dma_offset | 3);
- pte += 1;
- } else {
- nv_wo32(gpuobj, (pte * 4) + 0, 0x00000000);
- nv_wo32(gpuobj, (pte * 4) + 4, 0x00000000);
- pte += 2;
- }
-
- dma_offset += NV_CTXDMA_PAGE_SIZE;
- }
- }
- dev_priv->engine.instmem.flush(nvbe->dev);
-
- if (dev_priv->card_type == NV_50) {
- nv50_vm_flush(dev, 5);
- nv50_vm_flush(dev, 0);
+ for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++, pte++)
+ nv_wo32(gpuobj, (pte * 4) + 0, 0x00000000);
}
nvbe->bound = false;
}
}
+static int
+nv50_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem)
+{
+ struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+ struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
+
+ nvbe->offset = mem->start << PAGE_SHIFT;
+
+ nouveau_vm_map_sg(&dev_priv->gart_info.vma, nvbe->offset,
+ nvbe->nr_pages << PAGE_SHIFT, nvbe->pages);
+ nvbe->bound = true;
+ return 0;
+}
+
+static int
+nv50_sgdma_unbind(struct ttm_backend *be)
+{
+ struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
+ struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
+
+ if (!nvbe->bound)
+ return 0;
+
+ nouveau_vm_unmap_at(&dev_priv->gart_info.vma, nvbe->offset,
+ nvbe->nr_pages << PAGE_SHIFT);
+ nvbe->bound = false;
+ return 0;
+}
+
static struct ttm_backend_func nouveau_sgdma_backend = {
.populate = nouveau_sgdma_populate,
.clear = nouveau_sgdma_clear,
.destroy = nouveau_sgdma_destroy
};
+static struct ttm_backend_func nv50_sgdma_backend = {
+ .populate = nouveau_sgdma_populate,
+ .clear = nouveau_sgdma_clear,
+ .bind = nv50_sgdma_bind,
+ .unbind = nv50_sgdma_unbind,
+ .destroy = nouveau_sgdma_destroy
+};
+
struct ttm_backend *
nouveau_sgdma_init_ttm(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_sgdma_be *nvbe;
- if (!dev_priv->gart_info.sg_ctxdma)
- return NULL;
-
nvbe = kzalloc(sizeof(*nvbe), GFP_KERNEL);
if (!nvbe)
return NULL;
nvbe->dev = dev;
- nvbe->backend.func = &nouveau_sgdma_backend;
-
+ if (dev_priv->card_type < NV_50)
+ nvbe->backend.func = &nouveau_sgdma_backend;
+ else
+ nvbe->backend.func = &nv50_sgdma_backend;
return &nvbe->backend;
}
nouveau_sgdma_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct pci_dev *pdev = dev->pdev;
struct nouveau_gpuobj *gpuobj = NULL;
uint32_t aper_size, obj_size;
int i, ret;
if (dev_priv->card_type < NV_50) {
- aper_size = (64 * 1024 * 1024);
+ if(dev_priv->ramin_rsvd_vram < 2 * 1024 * 1024)
+ aper_size = 64 * 1024 * 1024;
+ else
+ aper_size = 512 * 1024 * 1024;
+
obj_size = (aper_size >> NV_CTXDMA_PAGE_SHIFT) * 4;
obj_size += 8; /* ctxdma header */
- } else {
- /* 1 entire VM page table */
- aper_size = (512 * 1024 * 1024);
- obj_size = (aper_size >> NV_CTXDMA_PAGE_SHIFT) * 8;
- }
- ret = nouveau_gpuobj_new(dev, NULL, obj_size, 16,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE, &gpuobj);
- if (ret) {
- NV_ERROR(dev, "Error creating sgdma object: %d\n", ret);
- return ret;
- }
-
- dev_priv->gart_info.sg_dummy_page =
- alloc_page(GFP_KERNEL|__GFP_DMA32|__GFP_ZERO);
- if (!dev_priv->gart_info.sg_dummy_page) {
- nouveau_gpuobj_ref(NULL, &gpuobj);
- return -ENOMEM;
- }
-
- set_bit(PG_locked, &dev_priv->gart_info.sg_dummy_page->flags);
- dev_priv->gart_info.sg_dummy_bus =
- pci_map_page(pdev, dev_priv->gart_info.sg_dummy_page, 0,
- PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(pdev, dev_priv->gart_info.sg_dummy_bus)) {
- nouveau_gpuobj_ref(NULL, &gpuobj);
- return -EFAULT;
- }
+ ret = nouveau_gpuobj_new(dev, NULL, obj_size, 16,
+ NVOBJ_FLAG_ZERO_ALLOC |
+ NVOBJ_FLAG_ZERO_FREE, &gpuobj);
+ if (ret) {
+ NV_ERROR(dev, "Error creating sgdma object: %d\n", ret);
+ return ret;
+ }
- if (dev_priv->card_type < NV_50) {
- /* special case, allocated from global instmem heap so
- * cinst is invalid, we use it on all channels though so
- * cinst needs to be valid, set it the same as pinst
- */
- gpuobj->cinst = gpuobj->pinst;
-
- /* Maybe use NV_DMA_TARGET_AGP for PCIE? NVIDIA do this, and
- * confirmed to work on c51. Perhaps means NV_DMA_TARGET_PCIE
- * on those cards? */
nv_wo32(gpuobj, 0, NV_CLASS_DMA_IN_MEMORY |
(1 << 12) /* PT present */ |
(0 << 13) /* PT *not* linear */ |
- (NV_DMA_ACCESS_RW << 14) |
- (NV_DMA_TARGET_PCI << 16));
+ (0 << 14) /* RW */ |
+ (2 << 16) /* PCI */);
nv_wo32(gpuobj, 4, aper_size - 1);
- for (i = 2; i < 2 + (aper_size >> 12); i++) {
- nv_wo32(gpuobj, i * 4,
- dev_priv->gart_info.sg_dummy_bus | 3);
- }
- } else {
- for (i = 0; i < obj_size; i += 8) {
- nv_wo32(gpuobj, i + 0, 0x00000000);
- nv_wo32(gpuobj, i + 4, 0x00000000);
- }
+ for (i = 2; i < 2 + (aper_size >> 12); i++)
+ nv_wo32(gpuobj, i * 4, 0x00000000);
+
+ dev_priv->gart_info.sg_ctxdma = gpuobj;
+ dev_priv->gart_info.aper_base = 0;
+ dev_priv->gart_info.aper_size = aper_size;
+ } else
+ if (dev_priv->chan_vm) {
+ ret = nouveau_vm_get(dev_priv->chan_vm, 512 * 1024 * 1024,
+ 12, NV_MEM_ACCESS_RW,
+ &dev_priv->gart_info.vma);
+ if (ret)
+ return ret;
+
+ dev_priv->gart_info.aper_base = dev_priv->gart_info.vma.offset;
+ dev_priv->gart_info.aper_size = 512 * 1024 * 1024;
}
- dev_priv->engine.instmem.flush(dev);
dev_priv->gart_info.type = NOUVEAU_GART_SGDMA;
- dev_priv->gart_info.aper_base = 0;
- dev_priv->gart_info.aper_size = aper_size;
- dev_priv->gart_info.sg_ctxdma = gpuobj;
return 0;
}
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- if (dev_priv->gart_info.sg_dummy_page) {
- pci_unmap_page(dev->pdev, dev_priv->gart_info.sg_dummy_bus,
- NV_CTXDMA_PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- unlock_page(dev_priv->gart_info.sg_dummy_page);
- __free_page(dev_priv->gart_info.sg_dummy_page);
- dev_priv->gart_info.sg_dummy_page = NULL;
- dev_priv->gart_info.sg_dummy_bus = 0;
- }
-
nouveau_gpuobj_ref(NULL, &dev_priv->gart_info.sg_ctxdma);
+ nouveau_vm_put(&dev_priv->gart_info.vma);
}
-int
-nouveau_sgdma_get_page(struct drm_device *dev, uint32_t offset, uint32_t *page)
+uint32_t
+nouveau_sgdma_get_physical(struct drm_device *dev, uint32_t offset)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
- int pte;
+ int pte = (offset >> NV_CTXDMA_PAGE_SHIFT) + 2;
- pte = (offset >> NV_CTXDMA_PAGE_SHIFT) << 2;
- if (dev_priv->card_type < NV_50) {
- *page = nv_ro32(gpuobj, (pte + 8)) & ~NV_CTXDMA_PAGE_MASK;
- return 0;
- }
+ BUG_ON(dev_priv->card_type >= NV_50);
- NV_ERROR(dev, "Unimplemented on NV50\n");
- return -EINVAL;
+ return (nv_ro32(gpuobj, 4 * pte) & ~NV_CTXDMA_PAGE_MASK) |
+ (offset & NV_CTXDMA_PAGE_MASK);
}
git.openpandora.org / pandora-kernel.git / blobdiff