diff options
author | Ian Romanick <idr@us.ibm.com> | 2007-08-31 10:54:55 -0700 |
---|---|---|
committer | Ian Romanick <idr@us.ibm.com> | 2007-08-31 10:54:55 -0700 |
commit | fee49e2071f2f528d7041bf1f14c640fff7478cc (patch) | |
tree | 6e41210d9f98e02b6ef2129c1be105104334bef7 /linux-core/nouveau_sgdma.c | |
parent | bb3da88601749cd647632eed86fb57dfd7cb81ee (diff) | |
parent | bac3f49daa54bf34ea21854be23061d10a0d0d1b (diff) |
Merge branch 'master' of ssh+git://git.freedesktop.org/git/mesa/drm into xgi-0-0-2
Diffstat (limited to 'linux-core/nouveau_sgdma.c')
-rw-r--r-- | linux-core/nouveau_sgdma.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/linux-core/nouveau_sgdma.c b/linux-core/nouveau_sgdma.c index 0ddac952..97d5330b 100644 --- a/linux-core/nouveau_sgdma.c +++ b/linux-core/nouveau_sgdma.c @@ -69,7 +69,7 @@ nouveau_sgdma_clear(struct drm_ttm_backend *be) if (nvbe->is_bound) be->func->unbind(be); - for (d = 0; d < nvbe->pages_populated; d--) { + for (d = 0; d < nvbe->pages_populated; d++) { pci_unmap_page(nvbe->dev->pdev, nvbe->pagelist[d], NV_CTXDMA_PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); @@ -211,7 +211,7 @@ nouveau_sgdma_init(struct drm_device *dev) obj_size = (aper_size >> NV_CTXDMA_PAGE_SHIFT) * 8; } - if ((ret = nouveau_gpuobj_new(dev, -1, obj_size, 16, + if ((ret = nouveau_gpuobj_new(dev, NULL, obj_size, 16, NVOBJ_FLAG_ALLOW_NO_REFS | NVOBJ_FLAG_ZERO_ALLOC | NVOBJ_FLAG_ZERO_FREE, &gpuobj))) { @@ -316,3 +316,20 @@ nouveau_sgdma_nottm_hack_takedown(struct drm_device *dev) { } +int +nouveau_sgdma_get_page(struct drm_device *dev, uint32_t offset, uint32_t *page) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma; + int pte; + + pte = (offset >> NV_CTXDMA_PAGE_SHIFT); + if (dev_priv->card_type < NV_50) { + *page = INSTANCE_RD(gpuobj, (pte + 2)) & ~NV_CTXDMA_PAGE_MASK; + return 0; + } + + DRM_ERROR("Unimplemented on NV50\n"); + return -EINVAL; +} + |