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authorBen Skeggs2010-11-16 14:58:42 +1000
committerBen Skeggs2010-12-21 17:17:21 +1000
commit99805566d93d69b7daf2373aba9fae52a62396f4 (patch)
tree3b9f2da9ed81dab3568de61dc7060058f8226e81 /drivers
parent8984e046153eb1d6b0b24626169f9c6e58232e1b (diff)
drm/nvc0: create shared channel vm
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_instmem.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_instmem.c b/drivers/gpu/drm/nouveau/nvc0_instmem.c
index 211099736553..c09091749054 100644
--- a/drivers/gpu/drm/nouveau/nvc0_instmem.c
+++ b/drivers/gpu/drm/nouveau/nvc0_instmem.c
@@ -32,6 +32,7 @@ struct nvc0_instmem_priv {
struct nouveau_channel *bar1;
struct nouveau_gpuobj *bar3_pgd;
struct nouveau_channel *bar3;
+ struct nouveau_gpuobj *chan_pgd;
};
int
@@ -179,6 +180,18 @@ nvc0_instmem_init(struct drm_device *dev)
if (ret)
goto error;
+ /* channel vm */
+ ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL, &vm);
+ if (ret)
+ goto error;
+
+ ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 4096, 0, &priv->chan_pgd);
+ if (ret)
+ goto error;
+
+ nouveau_vm_ref(vm, &dev_priv->chan_vm, priv->chan_pgd);
+ nouveau_vm_ref(NULL, &vm, NULL);
+
nvc0_instmem_resume(dev);
return 0;
error:
@@ -198,6 +211,9 @@ nvc0_instmem_takedown(struct drm_device *dev)
nv_wr32(dev, 0x1704, 0x00000000);
nv_wr32(dev, 0x1714, 0x00000000);
+ nouveau_vm_ref(NULL, &dev_priv->chan_vm, priv->chan_pgd);
+ nouveau_gpuobj_ref(NULL, &priv->chan_pgd);
+
nvc0_channel_del(&priv->bar1);
nouveau_vm_ref(NULL, &dev_priv->bar1_vm, priv->bar1_pgd);
nouveau_gpuobj_ref(NULL, &priv->bar1_pgd);