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authorFrancisco Jerez <currojerez@riseup.net>2009-12-13 20:07:42 +0100
committerDave Airlie <airlied@redhat.com>2010-01-11 14:41:02 +1000
commit617e234b01757698ed5f8c9a5fbf12717b76e371 (patch)
tree75013aac9f6505b660efd157fcf5587dc752af83 /drivers
parent94fd163d86b049842856864cdeac318131ec576d (diff)
drm/nouveau: Add cache_flush/pull fifo engine functions.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c10
-rw-r--r--drivers/gpu/drm/nouveau/nv04_fifo.c34
3 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 5f8cbb79c49..48d0ad9434a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -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 *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index e76ec2d207a..9f988431f34 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -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;
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
index 0c3cd53c731..f31347b8c9b 100644
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv04_fifo.c
@@ -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)
{