diff options
Diffstat (limited to 'linux-core/nouveau_sgdma.c')
| -rw-r--r-- | linux-core/nouveau_sgdma.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/linux-core/nouveau_sgdma.c b/linux-core/nouveau_sgdma.c index df970d11..97d5330b 100644 --- a/linux-core/nouveau_sgdma.c +++ b/linux-core/nouveau_sgdma.c @@ -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; +} + |