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path: root/drivers/gpu/drm/nouveau/nv04_fifo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_fifo.c68
1 files changed, 31 insertions, 37 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
index 06cedd99c26a..708293b7ddcd 100644
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv04_fifo.c
@@ -27,8 +27,9 @@
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
+#include "nouveau_ramht.h"
-#define NV04_RAMFC(c) (dev_priv->ramfc_offset + ((c) * NV04_RAMFC__SIZE))
+#define NV04_RAMFC(c) (dev_priv->ramfc->pinst + ((c) * NV04_RAMFC__SIZE))
#define NV04_RAMFC__SIZE 32
#define NV04_RAMFC_DMA_PUT 0x00
#define NV04_RAMFC_DMA_GET 0x04
@@ -38,10 +39,8 @@
#define NV04_RAMFC_ENGINE 0x14
#define NV04_RAMFC_PULL1_ENGINE 0x18
-#define RAMFC_WR(offset, val) nv_wo32(dev, chan->ramfc->gpuobj, \
- NV04_RAMFC_##offset/4, (val))
-#define RAMFC_RD(offset) nv_ro32(dev, chan->ramfc->gpuobj, \
- NV04_RAMFC_##offset/4)
+#define RAMFC_WR(offset, val) nv_wo32(chan->ramfc, NV04_RAMFC_##offset, (val))
+#define RAMFC_RD(offset) nv_ro32(chan->ramfc, NV04_RAMFC_##offset)
void
nv04_fifo_disable(struct drm_device *dev)
@@ -72,37 +71,32 @@ nv04_fifo_reassign(struct drm_device *dev, bool enable)
}
bool
-nv04_fifo_cache_flush(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
- uint64_t start = ptimer->read(dev);
-
- do {
- if (nv_rd32(dev, NV03_PFIFO_CACHE1_GET) ==
- nv_rd32(dev, NV03_PFIFO_CACHE1_PUT))
- return true;
-
- } while (ptimer->read(dev) - start < 100000000);
-
- NV_ERROR(dev, "Timeout flushing the PFIFO cache.\n");
-
- return false;
-}
-
-bool
nv04_fifo_cache_pull(struct drm_device *dev, bool enable)
{
- uint32_t pull = nv_rd32(dev, NV04_PFIFO_CACHE1_PULL0);
+ int pull = nv_mask(dev, NV04_PFIFO_CACHE1_PULL0, 1, enable);
+
+ if (!enable) {
+ /* In some cases the PFIFO puller may be left in an
+ * inconsistent state if you try to stop it when it's
+ * busy translating handles. Sometimes you get a
+ * PFIFO_CACHE_ERROR, sometimes it just fails silently
+ * sending incorrect instance offsets to PGRAPH after
+ * it's started up again. To avoid the latter we
+ * invalidate the most recently calculated instance.
+ */
+ if (!nv_wait(dev, NV04_PFIFO_CACHE1_PULL0,
+ NV04_PFIFO_CACHE1_PULL0_HASH_BUSY, 0))
+ NV_ERROR(dev, "Timeout idling the PFIFO puller.\n");
+
+ if (nv_rd32(dev, NV04_PFIFO_CACHE1_PULL0) &
+ NV04_PFIFO_CACHE1_PULL0_HASH_FAILED)
+ nv_wr32(dev, NV03_PFIFO_INTR_0,
+ NV_PFIFO_INTR_CACHE_ERROR);
- if (enable) {
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, pull | 1);
- } else {
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, pull & ~1);
nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0);
}
- return !!(pull & 1);
+ return pull & 1;
}
int
@@ -130,7 +124,7 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
NV04_RAMFC__SIZE,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE,
- NULL, &chan->ramfc);
+ &chan->ramfc);
if (ret)
return ret;
@@ -139,7 +133,7 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
/* Setup initial state */
RAMFC_WR(DMA_PUT, chan->pushbuf_base);
RAMFC_WR(DMA_GET, chan->pushbuf_base);
- RAMFC_WR(DMA_INSTANCE, chan->pushbuf->instance >> 4);
+ RAMFC_WR(DMA_INSTANCE, chan->pushbuf->pinst >> 4);
RAMFC_WR(DMA_FETCH, (NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8 |
@@ -161,7 +155,7 @@ nv04_fifo_destroy_context(struct nouveau_channel *chan)
nv_wr32(dev, NV04_PFIFO_MODE,
nv_rd32(dev, NV04_PFIFO_MODE) & ~(1 << chan->id));
- nouveau_gpuobj_ref_del(dev, &chan->ramfc);
+ nouveau_gpuobj_ref(NULL, &chan->ramfc);
}
static void
@@ -264,10 +258,10 @@ nv04_fifo_init_ramxx(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
nv_wr32(dev, NV03_PFIFO_RAMHT, (0x03 << 24) /* search 128 */ |
- ((dev_priv->ramht_bits - 9) << 16) |
- (dev_priv->ramht_offset >> 8));
- nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro_offset>>8);
- nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc_offset >> 8);
+ ((dev_priv->ramht->bits - 9) << 16) |
+ (dev_priv->ramht->gpuobj->pinst >> 8));
+ nv_wr32(dev, NV03_PFIFO_RAMRO, dev_priv->ramro->pinst >> 8);
+ nv_wr32(dev, NV03_PFIFO_RAMFC, dev_priv->ramfc->pinst >> 8);
}
static void