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Add basic pgraph context for nv10. 

It only fake a context switch : pgraph state are not save/restored.
main
Matthieu Castet 2007-01-05 19:40:11 +01:00
parent 4fe2858f53
commit 9d167f1f4b
3 changed files with 27 additions and 12 deletions
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3
shared-core/nouveau_drv.h
View File

@ -89,6 +89,9 @@ struct nouveau_fifo
struct mem_block *ramin_grctx;
/* objects belonging to this fifo */
struct nouveau_object *objs;
/* XXX move this in PGRAPH struct */
uint32_t pgraph_ctx_user;
};
struct nouveau_config {

1
shared-core/nouveau_fifo.c
View File

@ -488,6 +488,7 @@ static int nouveau_fifo_alloc(drm_device_t* dev,drm_nouveau_fifo_alloc_t* init,
init->channel = i;
init->put_base = 0;
dev_priv->cur_fifo = init->channel;
dev_priv->fifos[i].pgraph_ctx_user = i << 24;
nouveau_wait_for_idle(dev);

35
shared-core/nouveau_irq.c
View File

@ -240,21 +240,32 @@ static void nouveau_nv04_context_switch(drm_device_t *dev)
static void nouveau_nv10_context_switch(drm_device_t *dev)
{
drm_nouveau_private_t *dev_priv = dev->dev_private;
int channel;
int channel, channel_old;
channel=NV_READ(NV_PFIFO_CACH1_PSH1)&(nouveau_fifo_number(dev)-1);
/* 2-channel commute */
// if (channel==0)
// channel=1;
// else
// channel=0;
// dev_priv->cur_fifo=channel;
channel_old = (NV_READ(NV_PGRAPH_CTX_USER) >> 24) & (nouveau_fifo_number(dev)-1);
// NV_WRITE(NV_PGRAPH_CTX_CONTROL, 0x10000100);
NV_WRITE(NV_PGRAPH_CTX_USER, NV_READ(NV_PGRAPH_CTX_USER)|0x1F000000);
// NV_WRITE(NV_PGRAPH_FFINTFC_ST2, NV_READ(NV_PGRAPH_FFINTFC_ST2)&0xCFFFFFFF);
/* touch PGRAPH_CTX_SWITCH* here ? */
NV_WRITE(NV_PGRAPH_CTX_CONTROL, 0x10000100);
DRM_INFO("NV: PGRAPH context switch interrupt channel %x -> %x\n",channel_old, channel);
NV_WRITE(NV_PGRAPH_FIFO,0x0);
NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000000);
NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000000);
NV_WRITE(NV_PFIFO_CACHES, 0x00000000);
dev_priv->fifos[channel_old].pgraph_ctx_user = NV_READ(NV_PGRAPH_CTX_USER);
//XXX save PGRAPH context
NV_WRITE(NV_PGRAPH_CTX_CONTROL, 0x10000000);
NV_WRITE(NV_PGRAPH_CTX_USER, dev_priv->fifos[channel].pgraph_ctx_user);
//XXX restore PGRAPH context
printk("ctx_user %x %x\n", dev_priv->fifos[channel_old].pgraph_ctx_user, dev_priv->fifos[channel].pgraph_ctx_user);
NV_WRITE(NV_PGRAPH_FFINTFC_ST2, NV_READ(NV_PGRAPH_FFINTFC_ST2)&0xCFFFFFFF);
NV_WRITE(NV_PGRAPH_CTX_CONTROL, 0x10010100);
NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000001);
NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000001);
NV_WRITE(NV_PFIFO_CACHES, 0x00000001);
NV_WRITE(NV_PGRAPH_FIFO,0x1);
}
static void nouveau_pgraph_irq_handler(drm_device_t *dev)