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authorPatrice Mandin <pmandin@caramail.com>2007-08-03 23:06:39 +0200
committerPatrice Mandin <pmandin@caramail.com>2007-08-03 23:06:39 +0200
commit2453ba19b6f9956ea5d412a66d5d33c8a8b301b2 (patch)
treedb765f3390f7f862c8ec6f6cf2fc028196733265 /shared-core
parent9dfcc1ba07b6ad1a41234ae4016b54444094ac18 (diff)
nouveau:nv10: fill and use load,save graph context functions
Diffstat (limited to 'shared-core')
-rw-r--r--shared-core/nv10_graph.c55
1 files changed, 26 insertions, 29 deletions
diff --git a/shared-core/nv10_graph.c b/shared-core/nv10_graph.c
index 930fcbdf..ce1cbfa7 100644
--- a/shared-core/nv10_graph.c
+++ b/shared-core/nv10_graph.c
@@ -544,24 +544,42 @@ static int nv10_graph_ctx_regs_find_offset(struct drm_device *dev, int reg)
return -1;
}
-static void restore_ctx_regs(struct drm_device *dev, int channel)
+int nv10_graph_load_context(struct drm_device *dev, int channel)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fifo *fifo = dev_priv->fifos[channel];
int i, j;
+
for (i = 0; i < sizeof(nv10_graph_ctx_regs)/sizeof(nv10_graph_ctx_regs[0]); i++)
NV_WRITE(nv10_graph_ctx_regs[i], fifo->pgraph_ctx[i]);
if (dev_priv->chipset>=0x17) {
for (j = 0; j < sizeof(nv17_graph_ctx_regs)/sizeof(nv17_graph_ctx_regs[0]); i++,j++)
NV_WRITE(nv17_graph_ctx_regs[j], fifo->pgraph_ctx[i]);
}
- nouveau_wait_for_idle(dev);
+
+ return 0;
+}
+
+int nv10_graph_save_context(struct drm_device *dev, int channel)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_fifo *fifo = dev_priv->fifos[channel];
+ int i, j;
+
+ for (i = 0; i < sizeof(nv10_graph_ctx_regs)/sizeof(nv10_graph_ctx_regs[0]); i++)
+ fifo->pgraph_ctx[i] = NV_READ(nv10_graph_ctx_regs[i]);
+ if (dev_priv->chipset>=0x17) {
+ for (j = 0; j < sizeof(nv17_graph_ctx_regs)/sizeof(nv17_graph_ctx_regs[0]); i++,j++)
+ fifo->pgraph_ctx[i] = NV_READ(nv17_graph_ctx_regs[j]);
+ }
+
+ return 0;
}
void nouveau_nv10_context_switch(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- int channel, channel_old, i, j;
+ int channel, channel_old;
channel=NV_READ(NV03_PFIFO_CACHE1_PUSH1)&(nouveau_fifo_number(dev)-1);
channel_old = (NV_READ(NV10_PGRAPH_CTX_USER) >> 24) & (nouveau_fifo_number(dev)-1);
@@ -574,14 +592,7 @@ void nouveau_nv10_context_switch(struct drm_device *dev)
NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000000);
NV_WRITE(NV_PFIFO_CACHES, 0x00000000);
#endif
-
- // save PGRAPH context
- for (i = 0; i < sizeof(nv10_graph_ctx_regs)/sizeof(nv10_graph_ctx_regs[0]); i++)
- dev_priv->fifos[channel_old]->pgraph_ctx[i] = NV_READ(nv10_graph_ctx_regs[i]);
- if (dev_priv->chipset>=0x17) {
- for (j = 0; j < sizeof(nv17_graph_ctx_regs)/sizeof(nv17_graph_ctx_regs[0]); i++,j++)
- dev_priv->fifos[channel_old]->pgraph_ctx[i] = NV_READ(nv17_graph_ctx_regs[j]);
- }
+ nv10_graph_save_context(dev, channel_old);
nouveau_wait_for_idle(dev);
@@ -589,15 +600,12 @@ void nouveau_nv10_context_switch(struct drm_device *dev)
NV_WRITE(NV10_PGRAPH_CTX_USER, (NV_READ(NV10_PGRAPH_CTX_USER) & 0xffffff) | (0x1f << 24));
nouveau_wait_for_idle(dev);
- // restore PGRAPH context
-#if 1
- restore_ctx_regs(dev, channel);
-#endif
+
+ nv10_graph_load_context(dev, channel);
NV_WRITE(NV10_PGRAPH_CTX_CONTROL, 0x10010100);
NV_WRITE(NV10_PGRAPH_CTX_USER, channel << 24);
NV_WRITE(NV10_PGRAPH_FFINTFC_ST2, NV_READ(NV10_PGRAPH_FFINTFC_ST2)&0xCFFFFFFF);
-
#if 0
NV_WRITE(NV_PFIFO_CACH1_PUL0, 0x00000001);
NV_WRITE(NV_PFIFO_CACH1_PUL1, 0x00000001);
@@ -611,6 +619,7 @@ void nouveau_nv10_context_switch(struct drm_device *dev)
if (offset > 0) \
fifo->pgraph_ctx[offset] = val; \
} while (0)
+
int nv10_graph_create_context(struct drm_device *dev, int channel) {
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_fifo *fifo = dev_priv->fifos[channel];
@@ -654,7 +663,7 @@ int nv10_graph_create_context(struct drm_device *dev, int channel) {
/* for the first channel init the regs */
if (dev_priv->fifo_alloc_count == 0)
- restore_ctx_regs(dev, channel);
+ nv10_graph_load_context(dev, channel);
//XXX should be saved/restored for each fifo
@@ -667,18 +676,6 @@ void nv10_graph_destroy_context(struct drm_device *dev, int channel)
{
}
-int nv10_graph_load_context(struct drm_device *dev, int channel)
-{
- DRM_ERROR("stub!\n");
- return 0;
-}
-
-int nv10_graph_save_context(struct drm_device *dev, int channel)
-{
- DRM_ERROR("stub!\n");
- return 0;
-}
-
int nv10_graph_init(struct drm_device *dev) {
struct drm_nouveau_private *dev_priv = dev->dev_private;
int i;