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authorBen Skeggs <bskeggs@redhat.com>2010-11-22 16:05:54 +1000
committerFrancisco Jerez <currojerez@riseup.net>2010-12-08 03:00:34 +0100
commitd908175cca901b95ba1628428b216e6e7188e8fb (patch)
tree720e95c36101ca4fa2d46792c58bd2456c2df8db /drivers/gpu/drm/nouveau/nv04_fifo.c
parent395a31ec7ed9b02c5412f4405acbd6fceacca0fc (diff)
drm/nouveau: make fifo.create_context() responsible for mapping control regs
The regs belong to PFIFO, they're different for pretty much the same generations we need different PFIFO control for, and NVC0 is going to be even more different than the rest. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_fifo.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
index a32ba8ccaae..f89d104698d 100644
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv04_fifo.c
@@ -129,6 +129,11 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
if (ret)
return ret;
+ chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
+ NV03_USER(chan->id), PAGE_SIZE);
+ if (!chan->user)
+ return -ENOMEM;
+
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
/* Setup initial state */
@@ -173,6 +178,10 @@ nv04_fifo_destroy_context(struct nouveau_channel *chan)
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
/* Free the channel resources */
+ if (chan->user) {
+ iounmap(chan->user);
+ chan->user = NULL;
+ }
nouveau_gpuobj_ref(NULL, &chan->ramfc);
}