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path: root/drivers/gpu/drm/nouveau/nv50_fifo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fifo.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index 204a79ff10f4..e20c0e2474f3 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -243,6 +243,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramfc = NULL;
+ unsigned long flags;
int ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
@@ -278,19 +279,21 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
return ret;
}
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
dev_priv->engine.instmem.prepare_access(dev, true);
- nv_wo32(dev, ramfc, 0x08/4, chan->pushbuf_base);
- nv_wo32(dev, ramfc, 0x10/4, chan->pushbuf_base);
nv_wo32(dev, ramfc, 0x48/4, chan->pushbuf->instance >> 4);
nv_wo32(dev, ramfc, 0x80/4, (0xc << 24) | (chan->ramht->instance >> 4));
- nv_wo32(dev, ramfc, 0x3c/4, 0x00086078);
nv_wo32(dev, ramfc, 0x44/4, 0x2101ffff);
nv_wo32(dev, ramfc, 0x60/4, 0x7fffffff);
nv_wo32(dev, ramfc, 0x40/4, 0x00000000);
nv_wo32(dev, ramfc, 0x7c/4, 0x30000001);
nv_wo32(dev, ramfc, 0x78/4, 0x00000000);
- nv_wo32(dev, ramfc, 0x4c/4, 0xffffffff);
+ nv_wo32(dev, ramfc, 0x3c/4, 0x403f6078);
+ nv_wo32(dev, ramfc, 0x50/4, chan->pushbuf_base +
+ chan->dma.ib_base * 4);
+ nv_wo32(dev, ramfc, 0x54/4, drm_order(chan->dma.ib_max + 1) << 16);
if (!IS_G80) {
nv_wo32(dev, chan->ramin->gpuobj, 0, chan->id);
@@ -306,10 +309,12 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
ret = nv50_fifo_channel_enable(dev, chan->id, false);
if (ret) {
NV_ERROR(dev, "error enabling ch%d: %d\n", chan->id, ret);
+ spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
nouveau_gpuobj_ref_del(dev, &chan->ramfc);
return ret;
}
+ spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
return 0;
}