diff options
author | Ben Skeggs <darktama@iinet.net.au> | 2006-10-17 07:29:31 +1100 |
---|---|---|
committer | Ben Skeggs <darktama@iinet.net.au> | 2006-10-17 07:29:31 +1100 |
commit | 98e718d48fcd166accf1af3c017c34e331ab09cb (patch) | |
tree | 9759691e7557f74d595cce308638091d0b167999 /shared-core/nouveau_fifo.c | |
parent | 1943f39d8ce27c799f928bab172e521f4d540166 (diff) |
NV40: FIFO context switching now WorksForMe(tm)
Diffstat (limited to 'shared-core/nouveau_fifo.c')
-rw-r--r-- | shared-core/nouveau_fifo.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/shared-core/nouveau_fifo.c b/shared-core/nouveau_fifo.c index 96c3c5e3..d015d420 100644 --- a/shared-core/nouveau_fifo.c +++ b/shared-core/nouveau_fifo.c @@ -92,9 +92,12 @@ static void nouveau_fifo_init(drm_device_t* dev) ((dev_priv->objs.ht_bits - 9) << 16) | (dev_priv->objs.ht_base >> 8) ); - dev_priv->ramfc_offset=0x11000; + dev_priv->ramfc_offset=0x12000; dev_priv->ramro_offset=0x11200; - NV_WRITE(NV_PFIFO_RAMFC, dev_priv->ramfc_offset>>8); /* RAMIN+0x11000 0.5k */ + if (dev_priv->card_type < NV_40) + NV_WRITE(NV_PFIFO_RAMFC, dev_priv->ramfc_offset>>8); /* RAMIN+0x11000 0.5k */ + else + NV_WRITE(0x2220, 0x30002); NV_WRITE(NV_PFIFO_RAMRO, dev_priv->ramro_offset>>8); /* RAMIN+0x11200 0.5k */ NV_WRITE(NV_PFIFO_CACH0_PUL1, 0x00000001); NV_WRITE(NV_PFIFO_CACH1_DMAC, 0x00000000); @@ -314,6 +317,10 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, /* enable the fifo dma operation */ NV_WRITE(NV_PFIFO_MODE,NV_READ(NV_PFIFO_MODE)|(1<<init->channel)); + NV_WRITE(NV03_FIFO_REGS_DMAPUT(init->channel), init->put_base); + NV_WRITE(NV03_FIFO_REGS_DMAGET(init->channel), init->put_base); + +if (init->channel == 0) { // FIXME check if we need to refill the time quota with something like NV_WRITE(0x204C, 0x0003FFFF); if (dev_priv->card_type >= NV_40) @@ -323,8 +330,6 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, NV_WRITE(NV_PFIFO_CACH1_DMAP, init->put_base); NV_WRITE(NV_PFIFO_CACH1_DMAG, init->put_base); - NV_WRITE(NV03_FIFO_REGS_DMAPUT(init->channel), init->put_base); - NV_WRITE(NV03_FIFO_REGS_DMAGET(init->channel), init->put_base); NV_WRITE(NV_PFIFO_CACH1_DMAI, dev_priv->cmdbuf_obj->instance >> 4); NV_WRITE(NV_PFIFO_SIZE , 0x0000FFFF); NV_WRITE(NV_PFIFO_CACH1_HASH, 0x0000FFFF); @@ -338,6 +343,7 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, #else NV_WRITE(NV_PFIFO_CACH1_DMAF, NV_PFIFO_CACH1_DMAF_TRIG_112_BYTES|NV_PFIFO_CACH1_DMAF_SIZE_128_BYTES|NV_PFIFO_CACH1_DMAF_MAX_REQS_4); #endif +} NV_WRITE(NV_PFIFO_CACH1_DMAPSH, 0x00000001); NV_WRITE(NV_PFIFO_CACH1_PSH0, 0x00000001); NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000001); @@ -375,6 +381,8 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init, void nouveau_fifo_free(drm_device_t* dev,int n) { drm_nouveau_private_t *dev_priv = dev->dev_private; + int i; + dev_priv->fifos[n].used=0; DRM_INFO("%s: freeing fifo %d\n", __func__, n); @@ -382,7 +390,14 @@ void nouveau_fifo_free(drm_device_t* dev,int n) NV_WRITE(NV_PFIFO_CACHES, 0x00000000); NV_WRITE(NV_PFIFO_MODE,NV_READ(NV_PFIFO_MODE)&~(1<<n)); - // FIXME XXX needs more code + // FIXME XXX needs more code + + /* Clean RAMFC */ + for (i=0;i<128;i+=4) { + DRM_DEBUG("RAMFC +%02x: 0x%08x\n", i, NV_READ(NV_RAMIN + + dev_priv->ramfc_offset + n*128 + i)); + NV_WRITE(NV_RAMIN + dev_priv->ramfc_offset + n*128 + i, 0); + } /* reenable the fifo caches */ NV_WRITE(NV_PFIFO_CACHES, 0x00000001); |