diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_sgdma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_sgdma.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index b57201ab538e..9a250eb53098 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -267,19 +267,15 @@ nouveau_sgdma_takedown(struct drm_device *dev) 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); } |
