diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-09-26 15:01:39 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-10-03 13:13:16 +1000 |
| commit | 8a57d279d6e1bf19d2d2e54f51d4f40c46c7d1a8 (patch) | |
| tree | 3c9310d87287df9d9231ce510306c1b90c7d08ef | |
| parent | dc73b45ad456b173610a211c588d003f7ea77957 (diff) | |
drm/nv04/dmaobj: fixup vm target handling in preparation for nv4x pcie
We don't need to pull the page address out of the page tables on nv4x
chips that have a real GART.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c index 5ad76f74416..9f4cc2f3199 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv04.c @@ -44,21 +44,24 @@ nv04_dmaobj_bind(struct nouveau_dmaeng *dmaeng, struct nouveau_dmaobj *dmaobj, struct nouveau_gpuobj **pgpuobj) { + struct nv04_vmmgr_priv *vmm = nv04_vmmgr(dmaeng); struct nouveau_gpuobj *gpuobj; u32 flags0 = nv_mclass(dmaobj); u32 flags2 = 0x00000000; - u32 offset = (dmaobj->start & 0xfffff000); - u32 adjust = (dmaobj->start & 0x00000fff); + u64 offset = dmaobj->start & 0xfffff000; + u64 adjust = dmaobj->start & 0x00000fff; u32 length = dmaobj->limit - dmaobj->start; int ret; if (dmaobj->target == NV_MEM_TARGET_VM) { - gpuobj = nv04_vmmgr(dmaeng)->vm->pgt[0].obj[0]; - if (dmaobj->start == 0) - return nouveau_gpuobj_dup(parent, gpuobj, pgpuobj); + if (nv_object(vmm)->oclass == &nv04_vmmgr_oclass) { + struct nouveau_gpuobj *pgt = vmm->vm->pgt[0].obj[0]; + if (!dmaobj->start) + return nouveau_gpuobj_dup(parent, pgt, pgpuobj); + offset = nv_ro32(pgt, 8 + (offset >> 10)); + offset &= 0xfffff000; + } - offset = nv_ro32(gpuobj, 8 + (offset >> 10)); - offset &= 0xfffff000; dmaobj->target = NV_MEM_TARGET_PCI; dmaobj->access = NV_MEM_ACCESS_RW; } |