diff options
Diffstat (limited to 'shared-core/nv10_graph.c')
-rw-r--r-- | shared-core/nv10_graph.c | 88 |
1 files changed, 45 insertions, 43 deletions
diff --git a/shared-core/nv10_graph.c b/shared-core/nv10_graph.c index 930fcbdf..53b93758 100644 --- a/shared-core/nv10_graph.c +++ b/shared-core/nv10_graph.c @@ -544,29 +544,52 @@ 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 nouveau_channel *chan) { + struct drm_device *dev = chan->dev; 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]); + NV_WRITE(nv10_graph_ctx_regs[i], chan->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]); + NV_WRITE(nv17_graph_ctx_regs[j], chan->pgraph_ctx[i]); } - nouveau_wait_for_idle(dev); + + return 0; +} + +int nv10_graph_save_context(struct nouveau_channel *chan) +{ + struct drm_device *dev = chan->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + int i, j; + + for (i = 0; i < sizeof(nv10_graph_ctx_regs)/sizeof(nv10_graph_ctx_regs[0]); i++) + chan->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++) + chan->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; + struct nouveau_channel *next, *last; + int chid; + + chid = NV_READ(NV03_PFIFO_CACHE1_PUSH1)&(nouveau_fifo_number(dev)-1); + next = dev_priv->fifos[chid]; - 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); + chid = (NV_READ(NV10_PGRAPH_CTX_USER) >> 24) & (nouveau_fifo_number(dev)-1); + last = dev_priv->fifos[chid]; - DRM_INFO("NV: PGRAPH context switch interrupt channel %x -> %x\n",channel_old, channel); + DRM_INFO("NV: PGRAPH context switch interrupt channel %x -> %x\n", + last->id, next->id); NV_WRITE(NV04_PGRAPH_FIFO,0x0); #if 0 @@ -574,14 +597,7 @@ 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(last); nouveau_wait_for_idle(dev); @@ -589,15 +605,12 @@ 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(next); NV_WRITE(NV10_PGRAPH_CTX_CONTROL, 0x10010100); - NV_WRITE(NV10_PGRAPH_CTX_USER, channel << 24); + NV_WRITE(NV10_PGRAPH_CTX_USER, next->id << 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); @@ -609,16 +622,17 @@ void nouveau_nv10_context_switch(struct drm_device *dev) #define NV_WRITE_CTX(reg, val) do { \ int offset = nv10_graph_ctx_regs_find_offset(dev, reg); \ if (offset > 0) \ - fifo->pgraph_ctx[offset] = val; \ + chan->pgraph_ctx[offset] = val; \ } while (0) -int nv10_graph_create_context(struct drm_device *dev, int channel) { + +int nv10_graph_create_context(struct nouveau_channel *chan) { + struct drm_device *dev = chan->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo *fifo = dev_priv->fifos[channel]; uint32_t tmp, vramsz; - DRM_DEBUG("nv10_graph_context_create %d\n", channel); + DRM_DEBUG("nv10_graph_context_create %d\n", chan->id); - memset(fifo->pgraph_ctx, 0, sizeof(fifo->pgraph_ctx)); + memset(chan->pgraph_ctx, 0, sizeof(chan->pgraph_ctx)); /* per channel init from ddx */ tmp = NV_READ(NV10_PGRAPH_SURFACE) & 0x0007ff00; @@ -654,7 +668,7 @@ 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(chan); //XXX should be saved/restored for each fifo @@ -663,22 +677,10 @@ int nv10_graph_create_context(struct drm_device *dev, int channel) { return 0; } -void nv10_graph_destroy_context(struct drm_device *dev, int channel) +void nv10_graph_destroy_context(struct nouveau_channel *chan) { } -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; @@ -688,8 +690,8 @@ int nv10_graph_init(struct drm_device *dev) { NV_WRITE(NV03_PMC_ENABLE, NV_READ(NV03_PMC_ENABLE) | NV_PMC_ENABLE_PGRAPH); - NV_WRITE(NV03_PGRAPH_INTR_EN, 0x00000000); NV_WRITE(NV03_PGRAPH_INTR , 0xFFFFFFFF); + NV_WRITE(NV03_PGRAPH_INTR_EN, 0xFFFFFFFF); NV_WRITE(NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF); NV_WRITE(NV04_PGRAPH_DEBUG_0, 0x00000000); |