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drm/nouveau: Add cache_flush/pull fifo engine functions. 

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Francisco Jerez 2009-12-13 20:07:42 +01:00 committed by Dave Airlie
parent 94fd163d86
commit 617e234b01
3 changed files with 48 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nouveau_drv.h
View File

@ -292,6 +292,8 @@ struct nouveau_fifo_engine {
void (*disable)(struct drm_device *);
void (*enable)(struct drm_device *);
bool (*reassign)(struct drm_device *, bool enable);
bool (*cache_flush)(struct drm_device *dev);
bool (*cache_pull)(struct drm_device *dev, bool enable);
int (*channel_id)(struct drm_device *);
@ -889,6 +891,8 @@ extern int nv04_fifo_init(struct drm_device *);
extern void nv04_fifo_disable(struct drm_device *);
extern void nv04_fifo_enable(struct drm_device *);
extern bool nv04_fifo_reassign(struct drm_device *, bool);
extern bool nv04_fifo_cache_flush(struct drm_device *);
extern bool nv04_fifo_cache_pull(struct drm_device *, bool);
extern int nv04_fifo_channel_id(struct drm_device *);
extern int nv04_fifo_create_context(struct nouveau_channel *);
extern void nv04_fifo_destroy_context(struct nouveau_channel *);

10
drivers/gpu/drm/nouveau/nouveau_state.c
View File

@ -76,6 +76,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv04_fifo_channel_id;
engine->fifo.create_context = nv04_fifo_create_context;
engine->fifo.destroy_context = nv04_fifo_destroy_context;
@ -115,6 +117,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
@ -154,6 +158,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
@ -193,6 +199,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
@ -233,6 +241,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv40_fifo_create_context;
engine->fifo.destroy_context = nv40_fifo_destroy_context;

34
drivers/gpu/drm/nouveau/nv04_fifo.c
View File

@ -71,6 +71,40 @@ nv04_fifo_reassign(struct drm_device *dev, bool enable)
return (reassign == 1);
}
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);
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);
}
int
nv04_fifo_channel_id(struct drm_device *dev)
{