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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.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index 1da65bd60c10..8dd04c5dac67 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -28,6 +28,7 @@
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_ramht.h"
+#include "nouveau_vm.h"
static void
nv50_fifo_playlist_update(struct drm_device *dev)
@@ -44,7 +45,8 @@ nv50_fifo_playlist_update(struct drm_device *dev)
/* We never schedule channel 0 or 127 */
for (i = 1, nr = 0; i < 127; i++) {
- if (dev_priv->fifos[i] && dev_priv->fifos[i]->ramfc) {
+ if (dev_priv->channels.ptr[i] &&
+ dev_priv->channels.ptr[i]->ramfc) {
nv_wo32(cur, (nr * 4), i);
nr++;
}
@@ -60,7 +62,7 @@ static void
nv50_fifo_channel_enable(struct drm_device *dev, int channel)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_channel *chan = dev_priv->fifos[channel];
+ struct nouveau_channel *chan = dev_priv->channels.ptr[channel];
uint32_t inst;
NV_DEBUG(dev, "ch%d\n", channel);
@@ -105,6 +107,7 @@ nv50_fifo_init_intr(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
+ nouveau_irq_register(dev, 8, nv04_fifo_isr);
nv_wr32(dev, NV03_PFIFO_INTR_0, 0xFFFFFFFF);
nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xFFFFFFFF);
}
@@ -118,7 +121,7 @@ nv50_fifo_init_context_table(struct drm_device *dev)
NV_DEBUG(dev, "\n");
for (i = 0; i < NV50_PFIFO_CTX_TABLE__SIZE; i++) {
- if (dev_priv->fifos[i])
+ if (dev_priv->channels.ptr[i])
nv50_fifo_channel_enable(dev, i);
else
nv50_fifo_channel_disable(dev, i);
@@ -206,6 +209,9 @@ nv50_fifo_takedown(struct drm_device *dev)
if (!pfifo->playlist[0])
return;
+ nv_wr32(dev, 0x2140, 0x00000000);
+ nouveau_irq_unregister(dev, 8);
+
nouveau_gpuobj_ref(NULL, &pfifo->playlist[0]);
nouveau_gpuobj_ref(NULL, &pfifo->playlist[1]);
}
@@ -256,6 +262,11 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
}
ramfc = chan->ramfc;
+ chan->user = ioremap(pci_resource_start(dev->pdev, 0) +
+ NV50_USER(chan->id), PAGE_SIZE);
+ if (!chan->user)
+ return -ENOMEM;
+
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
nv_wo32(ramfc, 0x48, chan->pushbuf->cinst >> 4);
@@ -291,10 +302,23 @@ void
nv50_fifo_destroy_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
struct nouveau_gpuobj *ramfc = NULL;
+ unsigned long flags;
NV_DEBUG(dev, "ch%d\n", chan->id);
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+ pfifo->reassign(dev, false);
+
+ /* Unload the context if it's the currently active one */
+ if (pfifo->channel_id(dev) == chan->id) {
+ pfifo->disable(dev);
+ pfifo->unload_context(dev);
+ pfifo->enable(dev);
+ }
+
/* This will ensure the channel is seen as disabled. */
nouveau_gpuobj_ref(chan->ramfc, &ramfc);
nouveau_gpuobj_ref(NULL, &chan->ramfc);
@@ -305,6 +329,14 @@ nv50_fifo_destroy_context(struct nouveau_channel *chan)
nv50_fifo_channel_disable(dev, 127);
nv50_fifo_playlist_update(dev);
+ pfifo->reassign(dev, true);
+ 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, &ramfc);
nouveau_gpuobj_ref(NULL, &chan->cache);
}
@@ -392,7 +424,7 @@ nv50_fifo_unload_context(struct drm_device *dev)
if (chid < 1 || chid >= dev_priv->engine.fifo.channels - 1)
return 0;
- chan = dev_priv->fifos[chid];
+ chan = dev_priv->channels.ptr[chid];
if (!chan) {
NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid);
return -EINVAL;
@@ -467,5 +499,5 @@ nv50_fifo_unload_context(struct drm_device *dev)
void
nv50_fifo_tlb_flush(struct drm_device *dev)
{
- nv50_vm_flush(dev, 5);
+ nv50_vm_flush_engine(dev, 5);
}