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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.c543
1 files changed, 0 insertions, 543 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
deleted file mode 100644
index db465a3ee1b..00000000000
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ /dev/null
@@ -1,543 +0,0 @@
-/*
- * Copyright (C) 2007 Ben Skeggs.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include "nouveau_ramht.h"
-#include "nouveau_util.h"
-
-#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
-#define NV04_RAMFC_DMA_INSTANCE 0x08
-#define NV04_RAMFC_DMA_STATE 0x0C
-#define NV04_RAMFC_DMA_FETCH 0x10
-#define NV04_RAMFC_ENGINE 0x14
-#define NV04_RAMFC_PULL1_ENGINE 0x18
-
-#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)
-{
- uint32_t tmp;
-
- tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUSH);
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, tmp & ~1);
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 0);
- tmp = nv_rd32(dev, NV03_PFIFO_CACHE1_PULL1);
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, tmp & ~1);
-}
-
-void
-nv04_fifo_enable(struct drm_device *dev)
-{
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1);
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
-}
-
-bool
-nv04_fifo_reassign(struct drm_device *dev, bool enable)
-{
- uint32_t reassign = nv_rd32(dev, NV03_PFIFO_CACHES);
-
- nv_wr32(dev, NV03_PFIFO_CACHES, enable ? 1 : 0);
- return (reassign == 1);
-}
-
-bool
-nv04_fifo_cache_pull(struct drm_device *dev, bool enable)
-{
- 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);
-
- nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0);
- }
-
- return pull & 1;
-}
-
-int
-nv04_fifo_channel_id(struct drm_device *dev)
-{
- return nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) &
- NV03_PFIFO_CACHE1_PUSH1_CHID_MASK;
-}
-
-#ifdef __BIG_ENDIAN
-#define DMA_FETCH_ENDIANNESS NV_PFIFO_CACHE1_BIG_ENDIAN
-#else
-#define DMA_FETCH_ENDIANNESS 0
-#endif
-
-int
-nv04_fifo_create_context(struct nouveau_channel *chan)
-{
- struct drm_device *dev = chan->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- unsigned long flags;
- int ret;
-
- ret = nouveau_gpuobj_new_fake(dev, NV04_RAMFC(chan->id), ~0,
- NV04_RAMFC__SIZE,
- NVOBJ_FLAG_ZERO_ALLOC |
- NVOBJ_FLAG_ZERO_FREE,
- &chan->ramfc);
- 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 */
- RAMFC_WR(DMA_PUT, chan->pushbuf_base);
- RAMFC_WR(DMA_GET, chan->pushbuf_base);
- 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 |
- DMA_FETCH_ENDIANNESS));
-
- /* enable the fifo dma operation */
- nv_wr32(dev, NV04_PFIFO_MODE,
- nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id));
-
- spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
- return 0;
-}
-
-void
-nv04_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;
- unsigned long flags;
-
- 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);
- }
-
- /* Keep it from being rescheduled */
- nv_mask(dev, NV04_PFIFO_MODE, 1 << chan->id, 0);
-
- 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, &chan->ramfc);
-}
-
-static void
-nv04_fifo_do_load_context(struct drm_device *dev, int chid)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t fc = NV04_RAMFC(chid), tmp;
-
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUT, nv_ri32(dev, fc + 0));
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_GET, nv_ri32(dev, fc + 4));
- tmp = nv_ri32(dev, fc + 8);
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE, tmp & 0xFFFF);
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT, tmp >> 16);
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_STATE, nv_ri32(dev, fc + 12));
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_FETCH, nv_ri32(dev, fc + 16));
- nv_wr32(dev, NV04_PFIFO_CACHE1_ENGINE, nv_ri32(dev, fc + 20));
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL1, nv_ri32(dev, fc + 24));
-
- nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0);
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0);
-}
-
-int
-nv04_fifo_load_context(struct nouveau_channel *chan)
-{
- uint32_t tmp;
-
- nv_wr32(chan->dev, NV03_PFIFO_CACHE1_PUSH1,
- NV03_PFIFO_CACHE1_PUSH1_DMA | chan->id);
- nv04_fifo_do_load_context(chan->dev, chan->id);
- nv_wr32(chan->dev, NV04_PFIFO_CACHE1_DMA_PUSH, 1);
-
- /* Reset NV04_PFIFO_CACHE1_DMA_CTL_AT_INFO to INVALID */
- tmp = nv_rd32(chan->dev, NV04_PFIFO_CACHE1_DMA_CTL) & ~(1 << 31);
- nv_wr32(chan->dev, NV04_PFIFO_CACHE1_DMA_CTL, tmp);
-
- return 0;
-}
-
-int
-nv04_fifo_unload_context(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- struct nouveau_channel *chan = NULL;
- uint32_t tmp;
- int chid;
-
- chid = pfifo->channel_id(dev);
- if (chid < 0 || chid >= dev_priv->engine.fifo.channels)
- return 0;
-
- chan = dev_priv->channels.ptr[chid];
- if (!chan) {
- NV_ERROR(dev, "Inactive channel on PFIFO: %d\n", chid);
- return -EINVAL;
- }
-
- RAMFC_WR(DMA_PUT, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUT));
- RAMFC_WR(DMA_GET, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_GET));
- tmp = nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_DCOUNT) << 16;
- tmp |= nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_INSTANCE);
- RAMFC_WR(DMA_INSTANCE, tmp);
- RAMFC_WR(DMA_STATE, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_STATE));
- RAMFC_WR(DMA_FETCH, nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_FETCH));
- RAMFC_WR(ENGINE, nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE));
- RAMFC_WR(PULL1_ENGINE, nv_rd32(dev, NV04_PFIFO_CACHE1_PULL1));
-
- nv04_fifo_do_load_context(dev, pfifo->channels - 1);
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1);
- return 0;
-}
-
-static void
-nv04_fifo_init_reset(struct drm_device *dev)
-{
- nv_wr32(dev, NV03_PMC_ENABLE,
- nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PFIFO);
- nv_wr32(dev, NV03_PMC_ENABLE,
- nv_rd32(dev, NV03_PMC_ENABLE) | NV_PMC_ENABLE_PFIFO);
-
- nv_wr32(dev, 0x003224, 0x000f0078);
- nv_wr32(dev, 0x002044, 0x0101ffff);
- nv_wr32(dev, 0x002040, 0x000000ff);
- nv_wr32(dev, 0x002500, 0x00000000);
- nv_wr32(dev, 0x003000, 0x00000000);
- nv_wr32(dev, 0x003050, 0x00000000);
- nv_wr32(dev, 0x003200, 0x00000000);
- nv_wr32(dev, 0x003250, 0x00000000);
- nv_wr32(dev, 0x003220, 0x00000000);
-
- nv_wr32(dev, 0x003250, 0x00000000);
- nv_wr32(dev, 0x003270, 0x00000000);
- nv_wr32(dev, 0x003210, 0x00000000);
-}
-
-static void
-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->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
-nv04_fifo_init_intr(struct drm_device *dev)
-{
- nouveau_irq_register(dev, 8, nv04_fifo_isr);
- nv_wr32(dev, 0x002100, 0xffffffff);
- nv_wr32(dev, 0x002140, 0xffffffff);
-}
-
-int
-nv04_fifo_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
- int i;
-
- nv04_fifo_init_reset(dev);
- nv04_fifo_init_ramxx(dev);
-
- nv04_fifo_do_load_context(dev, pfifo->channels - 1);
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, pfifo->channels - 1);
-
- nv04_fifo_init_intr(dev);
- pfifo->enable(dev);
- pfifo->reassign(dev, true);
-
- for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
- if (dev_priv->channels.ptr[i]) {
- uint32_t mode = nv_rd32(dev, NV04_PFIFO_MODE);
- nv_wr32(dev, NV04_PFIFO_MODE, mode | (1 << i));
- }
- }
-
- return 0;
-}
-
-void
-nv04_fifo_fini(struct drm_device *dev)
-{
- nv_wr32(dev, 0x2140, 0x00000000);
- nouveau_irq_unregister(dev, 8);
-}
-
-static bool
-nouveau_fifo_swmthd(struct drm_device *dev, u32 chid, u32 addr, u32 data)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_channel *chan = NULL;
- struct nouveau_gpuobj *obj;
- unsigned long flags;
- const int subc = (addr >> 13) & 0x7;
- const int mthd = addr & 0x1ffc;
- bool handled = false;
- u32 engine;
-
- spin_lock_irqsave(&dev_priv->channels.lock, flags);
- if (likely(chid >= 0 && chid < dev_priv->engine.fifo.channels))
- chan = dev_priv->channels.ptr[chid];
- if (unlikely(!chan))
- goto out;
-
- switch (mthd) {
- case 0x0000: /* bind object to subchannel */
- obj = nouveau_ramht_find(chan, data);
- if (unlikely(!obj || obj->engine != NVOBJ_ENGINE_SW))
- break;
-
- chan->sw_subchannel[subc] = obj->class;
- engine = 0x0000000f << (subc * 4);
-
- nv_mask(dev, NV04_PFIFO_CACHE1_ENGINE, engine, 0x00000000);
- handled = true;
- break;
- default:
- engine = nv_rd32(dev, NV04_PFIFO_CACHE1_ENGINE);
- if (unlikely(((engine >> (subc * 4)) & 0xf) != 0))
- break;
-
- if (!nouveau_gpuobj_mthd_call(chan, chan->sw_subchannel[subc],
- mthd, data))
- handled = true;
- break;
- }
-
-out:
- spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
- return handled;
-}
-
-static const char *nv_dma_state_err(u32 state)
-{
- static const char * const desc[] = {
- "NONE", "CALL_SUBR_ACTIVE", "INVALID_MTHD", "RET_SUBR_INACTIVE",
- "INVALID_CMD", "IB_EMPTY"/* NV50+ */, "MEM_FAULT", "UNK"
- };
- return desc[(state >> 29) & 0x7];
-}
-
-void
-nv04_fifo_isr(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_engine *engine = &dev_priv->engine;
- uint32_t status, reassign;
- int cnt = 0;
-
- reassign = nv_rd32(dev, NV03_PFIFO_CACHES) & 1;
- while ((status = nv_rd32(dev, NV03_PFIFO_INTR_0)) && (cnt++ < 100)) {
- uint32_t chid, get;
-
- nv_wr32(dev, NV03_PFIFO_CACHES, 0);
-
- chid = engine->fifo.channel_id(dev);
- get = nv_rd32(dev, NV03_PFIFO_CACHE1_GET);
-
- if (status & NV_PFIFO_INTR_CACHE_ERROR) {
- uint32_t mthd, data;
- int ptr;
-
- /* NV_PFIFO_CACHE1_GET actually goes to 0xffc before
- * wrapping on my G80 chips, but CACHE1 isn't big
- * enough for this much data.. Tests show that it
- * wraps around to the start at GET=0x800.. No clue
- * as to why..
- */
- ptr = (get & 0x7ff) >> 2;
-
- if (dev_priv->card_type < NV_40) {
- mthd = nv_rd32(dev,
- NV04_PFIFO_CACHE1_METHOD(ptr));
- data = nv_rd32(dev,
- NV04_PFIFO_CACHE1_DATA(ptr));
- } else {
- mthd = nv_rd32(dev,
- NV40_PFIFO_CACHE1_METHOD(ptr));
- data = nv_rd32(dev,
- NV40_PFIFO_CACHE1_DATA(ptr));
- }
-
- if (!nouveau_fifo_swmthd(dev, chid, mthd, data)) {
- NV_INFO(dev, "PFIFO_CACHE_ERROR - Ch %d/%d "
- "Mthd 0x%04x Data 0x%08x\n",
- chid, (mthd >> 13) & 7, mthd & 0x1ffc,
- data);
- }
-
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 0);
- nv_wr32(dev, NV03_PFIFO_INTR_0,
- NV_PFIFO_INTR_CACHE_ERROR);
-
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0,
- nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) & ~1);
- nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4);
- nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0,
- nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH0) | 1);
- nv_wr32(dev, NV04_PFIFO_CACHE1_HASH, 0);
-
- nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH,
- nv_rd32(dev, NV04_PFIFO_CACHE1_DMA_PUSH) | 1);
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
-
- status &= ~NV_PFIFO_INTR_CACHE_ERROR;
- }
-
- if (status & NV_PFIFO_INTR_DMA_PUSHER) {
- u32 dma_get = nv_rd32(dev, 0x003244);
- u32 dma_put = nv_rd32(dev, 0x003240);
- u32 push = nv_rd32(dev, 0x003220);
- u32 state = nv_rd32(dev, 0x003228);
-
- if (dev_priv->card_type == NV_50) {
- u32 ho_get = nv_rd32(dev, 0x003328);
- u32 ho_put = nv_rd32(dev, 0x003320);
- u32 ib_get = nv_rd32(dev, 0x003334);
- u32 ib_put = nv_rd32(dev, 0x003330);
-
- if (nouveau_ratelimit())
- NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%02x%08x "
- "Put 0x%02x%08x IbGet 0x%08x IbPut 0x%08x "
- "State 0x%08x (err: %s) Push 0x%08x\n",
- chid, ho_get, dma_get, ho_put,
- dma_put, ib_get, ib_put, state,
- nv_dma_state_err(state),
- push);
-
- /* METHOD_COUNT, in DMA_STATE on earlier chipsets */
- nv_wr32(dev, 0x003364, 0x00000000);
- if (dma_get != dma_put || ho_get != ho_put) {
- nv_wr32(dev, 0x003244, dma_put);
- nv_wr32(dev, 0x003328, ho_put);
- } else
- if (ib_get != ib_put) {
- nv_wr32(dev, 0x003334, ib_put);
- }
- } else {
- NV_INFO(dev, "PFIFO_DMA_PUSHER - Ch %d Get 0x%08x "
- "Put 0x%08x State 0x%08x (err: %s) Push 0x%08x\n",
- chid, dma_get, dma_put, state,
- nv_dma_state_err(state), push);
-
- if (dma_get != dma_put)
- nv_wr32(dev, 0x003244, dma_put);
- }
-
- nv_wr32(dev, 0x003228, 0x00000000);
- nv_wr32(dev, 0x003220, 0x00000001);
- nv_wr32(dev, 0x002100, NV_PFIFO_INTR_DMA_PUSHER);
- status &= ~NV_PFIFO_INTR_DMA_PUSHER;
- }
-
- if (status & NV_PFIFO_INTR_SEMAPHORE) {
- uint32_t sem;
-
- status &= ~NV_PFIFO_INTR_SEMAPHORE;
- nv_wr32(dev, NV03_PFIFO_INTR_0,
- NV_PFIFO_INTR_SEMAPHORE);
-
- sem = nv_rd32(dev, NV10_PFIFO_CACHE1_SEMAPHORE);
- nv_wr32(dev, NV10_PFIFO_CACHE1_SEMAPHORE, sem | 0x1);
-
- nv_wr32(dev, NV03_PFIFO_CACHE1_GET, get + 4);
- nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
- }
-
- if (dev_priv->card_type == NV_50) {
- if (status & 0x00000010) {
- nv50_fb_vm_trap(dev, nouveau_ratelimit());
- status &= ~0x00000010;
- nv_wr32(dev, 0x002100, 0x00000010);
- }
- }
-
- if (status) {
- if (nouveau_ratelimit())
- NV_INFO(dev, "PFIFO_INTR 0x%08x - Ch %d\n",
- status, chid);
- nv_wr32(dev, NV03_PFIFO_INTR_0, status);
- status = 0;
- }
-
- nv_wr32(dev, NV03_PFIFO_CACHES, reassign);
- }
-
- if (status) {
- NV_INFO(dev, "PFIFO still angry after %d spins, halt\n", cnt);
- nv_wr32(dev, 0x2140, 0);
- nv_wr32(dev, 0x140, 0);
- }
-
- nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PFIFO_PENDING);
-}