diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-01-11 14:10:09 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-25 06:30:15 +1000 |
| commit | 58e6c7a9183071b89b0ac94862f369ed55775a7a (patch) | |
| tree | f72e90154cb8663230d2ea7f12dcb3257118ecc0 /drivers/gpu/drm/nouveau/nouveau_object.c | |
| parent | efa58db3de82ab0fdc0774aef69e2dd8a27cc98f (diff) | |
drm/nouveau: introduce new gart type, and name _SGDMA more appropriately
In preparation for the addition of a new nv40 backend, we'll need to be
able to distinguish between a paged dma object and the on-chip GART.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_object.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_object.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c index 03adfe4c7665..710a7053dc99 100644 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ b/drivers/gpu/drm/nouveau/nouveau_object.c @@ -490,16 +490,22 @@ nouveau_gpuobj_dma_new(struct nouveau_channel *chan, int class, u64 base, } if (target == NV_MEM_TARGET_GART) { - if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) { - target = NV_MEM_TARGET_PCI_NOSNOOP; - base += dev_priv->gart_info.aper_base; - } else - if (base != 0) { - base = nouveau_sgdma_get_physical(dev, base); + struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma; + + if (dev_priv->gart_info.type == NOUVEAU_GART_PDMA) { + if (base == 0) { + nouveau_gpuobj_ref(gart, pobj); + return 0; + } + + base = nouveau_sgdma_get_physical(dev, base); target = NV_MEM_TARGET_PCI; } else { - nouveau_gpuobj_ref(dev_priv->gart_info.sg_ctxdma, pobj); - return 0; + base += dev_priv->gart_info.aper_base; + if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) + target = NV_MEM_TARGET_PCI_NOSNOOP; + else + target = NV_MEM_TARGET_PCI; } } |