/*
- * Copyright (C) 2007 Ben Skeggs.
+ * Copyright (C) 2012 Ben Skeggs.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
-#include "nouveau_ramht.h"
+#include "nouveau_fifo.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);
-}
+#include "nouveau_ramht.h"
+#include "nouveau_software.h"
+
+static struct ramfc_desc {
+ unsigned bits:6;
+ unsigned ctxs:5;
+ unsigned ctxp:8;
+ unsigned regs:5;
+ unsigned regp;
+} nv04_ramfc[] = {
+ { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
+ { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
+ { 16, 0, 0x08, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
+ { 16, 16, 0x08, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
+ { 32, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_STATE },
+ { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
+ { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_ENGINE },
+ { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_PULL1 },
+ {}
+};
+
+struct nv04_fifo_priv {
+ struct nouveau_fifo_priv base;
+ struct ramfc_desc *ramfc_desc;
+};
+
+struct nv04_fifo_chan {
+ struct nouveau_fifo_chan base;
+ struct nouveau_gpuobj *ramfc;
+};
bool
nv04_fifo_cache_pull(struct drm_device *dev, bool enable)
* invalidate the most recently calculated instance.
*/
if (!nv_wait(dev, NV04_PFIFO_CACHE1_PULL0,
- NV04_PFIFO_CACHE1_PULL0_HASH_BUSY, 0))
+ 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)
+ NV04_PFIFO_CACHE1_PULL0_HASH_FAILED)
nv_wr32(dev, NV03_PFIFO_INTR_0,
- NV_PFIFO_INTR_CACHE_ERROR);
+ 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)
+static int
+nv04_fifo_context_new(struct nouveau_channel *chan, int engine)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_fifo_priv *priv = nv_engine(dev, engine);
+ struct nv04_fifo_chan *fctx;
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;
+ fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
+ if (!fctx)
+ return -ENOMEM;
+ /* map channel control registers */
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));
+ if (!chan->user) {
+ ret = -ENOMEM;
+ goto error;
+ }
- /* enable the fifo dma operation */
- nv_wr32(dev, NV04_PFIFO_MODE,
- nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id));
+ /* initialise default fifo context */
+ ret = nouveau_gpuobj_new_fake(dev, dev_priv->ramfc->pinst +
+ chan->id * 32, ~0, 32,
+ NVOBJ_FLAG_ZERO_FREE, &fctx->ramfc);
+ if (ret)
+ goto error;
+
+ nv_wo32(fctx->ramfc, 0x00, chan->pushbuf_base);
+ nv_wo32(fctx->ramfc, 0x04, chan->pushbuf_base);
+ nv_wo32(fctx->ramfc, 0x08, chan->pushbuf->pinst >> 4);
+ nv_wo32(fctx->ramfc, 0x0c, 0x00000000);
+ nv_wo32(fctx->ramfc, 0x10, NV_PFIFO_CACHE1_DMA_FETCH_TRIG_128_BYTES |
+ NV_PFIFO_CACHE1_DMA_FETCH_SIZE_128_BYTES |
+#ifdef __BIG_ENDIAN
+ NV_PFIFO_CACHE1_BIG_ENDIAN |
+#endif
+ NV_PFIFO_CACHE1_DMA_FETCH_MAX_REQS_8);
+ nv_wo32(fctx->ramfc, 0x14, 0x00000000);
+ nv_wo32(fctx->ramfc, 0x18, 0x00000000);
+ nv_wo32(fctx->ramfc, 0x1c, 0x00000000);
+ /* enable dma mode on the channel */
+ spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+ nv_mask(dev, NV04_PFIFO_MODE, (1 << chan->id), (1 << chan->id));
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
- return 0;
+
+error:
+ if (ret)
+ priv->base.base.context_del(chan, engine);
+ return ret;
}
void
-nv04_fifo_destroy_context(struct nouveau_channel *chan)
+nv04_fifo_context_del(struct nouveau_channel *chan, int engine)
{
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 nv04_fifo_priv *priv = nv_engine(chan->dev, engine);
+ struct nv04_fifo_chan *fctx = chan->engctx[engine];
+ struct ramfc_desc *c = priv->ramfc_desc;
unsigned long flags;
+ int chid;
+ /* prevent fifo context switches */
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);
+ nv_wr32(dev, NV03_PFIFO_CACHES, 0);
+
+ /* if this channel is active, replace it with a null context */
+ chid = nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & priv->base.channels;
+ if (chid == chan->id) {
+ nv_mask(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 0x00000001, 0);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 0);
+ nv_mask(dev, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0);
+
+ do {
+ u32 mask = ((1ULL << c->bits) - 1) << c->regs;
+ nv_mask(dev, c->regp, mask, 0x00000000);
+ } while ((++c)->bits);
+
+ nv_wr32(dev, NV03_PFIFO_CACHE1_GET, 0);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUT, 0);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1);
+ nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
}
- /* Keep it from being rescheduled */
+ /* restore normal operation, after disabling dma mode */
nv_mask(dev, NV04_PFIFO_MODE, 1 << chan->id, 0);
-
- pfifo->reassign(dev, true);
+ nv_wr32(dev, NV03_PFIFO_CACHES, 1);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
- /* Free the channel resources */
+ /* clean up */
+ nouveau_gpuobj_ref(NULL, &fctx->ramfc);
+ nouveau_gpuobj_ref(NULL, &chan->ramfc); /*XXX: nv40 */
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)
+nv04_fifo_init(struct drm_device *dev, int engine)
{
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;
-}
+ struct nv04_fifo_priv *priv = nv_engine(dev, engine);
+ int i;
-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);
-}
+ nv_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, 0);
+ nv_mask(dev, NV03_PMC_ENABLE, NV_PMC_ENABLE_PFIFO, NV_PMC_ENABLE_PFIFO);
-static void
-nv04_fifo_init_ramxx(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
+ nv_wr32(dev, NV04_PFIFO_DELAY_0, 0x000000ff);
+ nv_wr32(dev, NV04_PFIFO_DMA_TIMESLICE, 0x0101ffff);
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);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH1, priv->base.channels);
+
+ nv_wr32(dev, NV03_PFIFO_INTR_0, 0xffffffff);
+ nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0xffffffff);
+
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 1);
+ nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 1);
+ nv_wr32(dev, NV03_PFIFO_CACHES, 1);
+
+ for (i = 0; i < priv->base.channels; i++) {
+ if (dev_priv->channels.ptr[i])
+ nv_mask(dev, NV04_PFIFO_MODE, (1 << i), (1 << i));
+ }
+
+ return 0;
}
int
-nv04_fifo_init(struct drm_device *dev)
+nv04_fifo_fini(struct drm_device *dev, int engine, bool suspend)
{
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);
+ struct nv04_fifo_priv *priv = nv_engine(dev, engine);
+ struct nouveau_channel *chan;
+ int chid;
- nv04_fifo_init_intr(dev);
- pfifo->enable(dev);
- pfifo->reassign(dev, true);
+ /* prevent context switches and halt fifo operation */
+ nv_wr32(dev, NV03_PFIFO_CACHES, 0);
+ nv_wr32(dev, NV04_PFIFO_CACHE1_DMA_PUSH, 0);
+ nv_wr32(dev, NV03_PFIFO_CACHE1_PUSH0, 0);
+ nv_wr32(dev, NV04_PFIFO_CACHE1_PULL0, 0);
- 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));
- }
+ /* store current fifo context in ramfc */
+ chid = nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & priv->base.channels;
+ chan = dev_priv->channels.ptr[chid];
+ if (suspend && chid != priv->base.channels && chan) {
+ struct nv04_fifo_chan *fctx = chan->engctx[engine];
+ struct nouveau_gpuobj *ctx = fctx->ramfc;
+ struct ramfc_desc *c = priv->ramfc_desc;
+ do {
+ u32 rm = ((1ULL << c->bits) - 1) << c->regs;
+ u32 cm = ((1ULL << c->bits) - 1) << c->ctxs;
+ u32 rv = (nv_rd32(dev, c->regp) & rm) >> c->regs;
+ u32 cv = (nv_ro32(ctx, c->ctxp) & ~cm);
+ nv_wo32(ctx, c->ctxp, cv | (rv << c->ctxs));
+ } while ((++c)->bits);
}
+ nv_wr32(dev, NV03_PFIFO_INTR_EN_0, 0x00000000);
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 nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = NULL;
struct nouveau_gpuobj *obj;
u32 engine;
spin_lock_irqsave(&dev_priv->channels.lock, flags);
- if (likely(chid >= 0 && chid < dev_priv->engine.fifo.channels))
+ if (likely(chid >= 0 && chid < pfifo->channels))
chan = dev_priv->channels.ptr[chid];
if (unlikely(!chan))
goto out;
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);
if (unlikely(((engine >> (subc * 4)) & 0xf) != 0))
break;
- if (!nouveau_gpuobj_mthd_call(chan, chan->sw_subchannel[subc],
+ if (!nouveau_gpuobj_mthd_call(chan, nouveau_software_class(dev),
mthd, data))
handled = true;
break;
void
nv04_fifo_isr(struct drm_device *dev)
{
+ struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_engine *engine = &dev_priv->engine;
uint32_t status, reassign;
int cnt = 0;
nv_wr32(dev, NV03_PFIFO_CACHES, 0);
- chid = engine->fifo.channel_id(dev);
+ chid = nv_rd32(dev, NV03_PFIFO_CACHE1_PUSH1) & pfifo->channels;
get = nv_rd32(dev, NV03_PFIFO_CACHE1_GET);
if (status & NV_PFIFO_INTR_CACHE_ERROR) {
nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PFIFO_PENDING);
}
+
+void
+nv04_fifo_destroy(struct drm_device *dev, int engine)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_fifo_priv *priv = nv_engine(dev, engine);
+
+ nouveau_irq_unregister(dev, 8);
+
+ dev_priv->eng[engine] = NULL;
+ kfree(priv);
+}
+
+int
+nv04_fifo_create(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nv04_fifo_priv *priv;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->base.base.destroy = nv04_fifo_destroy;
+ priv->base.base.init = nv04_fifo_init;
+ priv->base.base.fini = nv04_fifo_fini;
+ priv->base.base.context_new = nv04_fifo_context_new;
+ priv->base.base.context_del = nv04_fifo_context_del;
+ priv->base.channels = 15;
+ priv->ramfc_desc = nv04_ramfc;
+ dev_priv->eng[NVOBJ_ENGINE_FIFO] = &priv->base.base;
+
+ nouveau_irq_register(dev, 8, nv04_fifo_isr);
+ return 0;
+}
projects / firefly-linux-kernel-4.4.55.git / blobdiff