diff options
Diffstat (limited to 'shared-core/nouveau_state.c')
| -rw-r--r-- | shared-core/nouveau_state.c | 471 |
1 files changed, 331 insertions, 140 deletions
diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c index e7930b9e..e73b4878 100644 --- a/shared-core/nouveau_state.c +++ b/shared-core/nouveau_state.c @@ -28,9 +28,9 @@ #include "nouveau_drv.h" #include "nouveau_drm.h" -static int nouveau_init_card_mappings(drm_device_t *dev) +static int nouveau_init_card_mappings(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; + struct drm_nouveau_private *dev_priv = dev->dev_private; int ret; /* resource 0 is mmio regs */ @@ -51,6 +51,7 @@ static int nouveau_init_card_mappings(drm_device_t *dev) DRM_DEBUG("regs mapped ok at 0x%lx\n", dev_priv->mmio->offset); /* map larger RAMIN aperture on NV40 cards */ + dev_priv->ramin = NULL; if (dev_priv->card_type >= NV_40) { int ramin_resource = 2; if (drm_get_resource_len(dev, ramin_resource) == 0) @@ -66,80 +67,198 @@ static int nouveau_init_card_mappings(drm_device_t *dev) "limited instance memory available\n"); dev_priv->ramin = NULL; } - } else - dev_priv->ramin = NULL; + } + + /* On older cards (or if the above failed), create a map covering + * the BAR0 PRAMIN aperture */ + if (!dev_priv->ramin) { + ret = drm_addmap(dev, + drm_get_resource_start(dev, 0) + NV_RAMIN, + (1*1024*1024), + _DRM_REGISTERS, _DRM_READ_ONLY, + &dev_priv->ramin); + if (ret) { + DRM_ERROR("Failed to map BAR0 PRAMIN: %d\n", ret); + return ret; + } + } return 0; } -static void nouveau_stub_takedown(drm_device_t *dev) {} -static int nouveau_init_engine_ptrs(drm_device_t *dev) +static int nouveau_stub_init(struct drm_device *dev) { return 0; } +static void nouveau_stub_takedown(struct drm_device *dev) {} +static uint64_t nouveau_stub_timer_read(struct drm_device *dev) { return 0; } + +static int nouveau_init_engine_ptrs(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; - struct nouveau_engine_func *engine = &dev_priv->Engine; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_engine *engine = &dev_priv->Engine; switch (dev_priv->chipset & 0xf0) { case 0x00: - engine->Mc.Init = nv04_mc_init; - engine->Mc.Takedown = nv04_mc_takedown; - engine->Timer.Init = nv04_timer_init; - engine->Timer.Takedown = nv04_timer_takedown; - engine->Fb.Init = nv04_fb_init; - engine->Fb.Takedown = nv04_fb_takedown; - engine->Graph.Init = nv04_graph_init; - engine->Graph.Takedown = nv04_graph_takedown; - engine->Fifo.Init = nouveau_fifo_init; - engine->Fifo.Takedown = nouveau_stub_takedown; + engine->instmem.init = nv04_instmem_init; + engine->instmem.takedown= nv04_instmem_takedown; + engine->instmem.populate = nv04_instmem_populate; + engine->instmem.clear = nv04_instmem_clear; + engine->instmem.bind = nv04_instmem_bind; + engine->instmem.unbind = nv04_instmem_unbind; + engine->mc.init = nv04_mc_init; + engine->mc.takedown = nv04_mc_takedown; + engine->timer.init = nv04_timer_init; + engine->timer.read = nv04_timer_read; + engine->timer.takedown = nv04_timer_takedown; + engine->fb.init = nv04_fb_init; + engine->fb.takedown = nv04_fb_takedown; + engine->graph.init = nv04_graph_init; + engine->graph.takedown = nv04_graph_takedown; + engine->graph.create_context = nv04_graph_create_context; + engine->graph.destroy_context = nv04_graph_destroy_context; + engine->graph.load_context = nv04_graph_load_context; + engine->graph.save_context = nv04_graph_save_context; + engine->fifo.init = nouveau_fifo_init; + engine->fifo.takedown = nouveau_stub_takedown; + engine->fifo.create_context = nv04_fifo_create_context; + engine->fifo.destroy_context = nv04_fifo_destroy_context; + engine->fifo.load_context = nv04_fifo_load_context; + engine->fifo.save_context = nv04_fifo_save_context; break; case 0x10: - engine->Mc.Init = nv04_mc_init; - engine->Mc.Takedown = nv04_mc_takedown; - engine->Timer.Init = nv04_timer_init; - engine->Timer.Takedown = nv04_timer_takedown; - engine->Fb.Init = nv10_fb_init; - engine->Fb.Takedown = nv10_fb_takedown; - engine->Graph.Init = nv10_graph_init; - engine->Graph.Takedown = nv10_graph_takedown; - engine->Fifo.Init = nouveau_fifo_init; - engine->Fifo.Takedown = nouveau_stub_takedown; + engine->instmem.init = nv04_instmem_init; + engine->instmem.takedown= nv04_instmem_takedown; + engine->instmem.populate = nv04_instmem_populate; + engine->instmem.clear = nv04_instmem_clear; + engine->instmem.bind = nv04_instmem_bind; + engine->instmem.unbind = nv04_instmem_unbind; + engine->mc.init = nv04_mc_init; + engine->mc.takedown = nv04_mc_takedown; + engine->timer.init = nv04_timer_init; + engine->timer.read = nv04_timer_read; + engine->timer.takedown = nv04_timer_takedown; + engine->fb.init = nv10_fb_init; + engine->fb.takedown = nv10_fb_takedown; + engine->graph.init = nv10_graph_init; + engine->graph.takedown = nv10_graph_takedown; + engine->graph.create_context = nv10_graph_create_context; + engine->graph.destroy_context = nv10_graph_destroy_context; + engine->graph.load_context = nv10_graph_load_context; + engine->graph.save_context = nv10_graph_save_context; + engine->fifo.init = nouveau_fifo_init; + engine->fifo.takedown = nouveau_stub_takedown; + engine->fifo.create_context = nv10_fifo_create_context; + engine->fifo.destroy_context = nv10_fifo_destroy_context; + engine->fifo.load_context = nv10_fifo_load_context; + engine->fifo.save_context = nv10_fifo_save_context; break; case 0x20: - engine->Mc.Init = nv04_mc_init; - engine->Mc.Takedown = nv04_mc_takedown; - engine->Timer.Init = nv04_timer_init; - engine->Timer.Takedown = nv04_timer_takedown; - engine->Fb.Init = nv10_fb_init; - engine->Fb.Takedown = nv10_fb_takedown; - engine->Graph.Init = nv20_graph_init; - engine->Graph.Takedown = nv20_graph_takedown; - engine->Fifo.Init = nouveau_fifo_init; - engine->Fifo.Takedown = nouveau_stub_takedown; + engine->instmem.init = nv04_instmem_init; + engine->instmem.takedown= nv04_instmem_takedown; + engine->instmem.populate = nv04_instmem_populate; + engine->instmem.clear = nv04_instmem_clear; + engine->instmem.bind = nv04_instmem_bind; + engine->instmem.unbind = nv04_instmem_unbind; + engine->mc.init = nv04_mc_init; + engine->mc.takedown = nv04_mc_takedown; + engine->timer.init = nv04_timer_init; + engine->timer.read = nv04_timer_read; + engine->timer.takedown = nv04_timer_takedown; + engine->fb.init = nv10_fb_init; + engine->fb.takedown = nv10_fb_takedown; + engine->graph.init = nv20_graph_init; + engine->graph.takedown = nv20_graph_takedown; + engine->graph.create_context = nv20_graph_create_context; + engine->graph.destroy_context = nv20_graph_destroy_context; + engine->graph.load_context = nv20_graph_load_context; + engine->graph.save_context = nv20_graph_save_context; + engine->fifo.init = nouveau_fifo_init; + engine->fifo.takedown = nouveau_stub_takedown; + engine->fifo.create_context = nv10_fifo_create_context; + engine->fifo.destroy_context = nv10_fifo_destroy_context; + engine->fifo.load_context = nv10_fifo_load_context; + engine->fifo.save_context = nv10_fifo_save_context; break; case 0x30: - engine->Mc.Init = nv04_mc_init; - engine->Mc.Takedown = nv04_mc_takedown; - engine->Timer.Init = nv04_timer_init; - engine->Timer.Takedown = nv04_timer_takedown; - engine->Fb.Init = nv10_fb_init; - engine->Fb.Takedown = nv10_fb_takedown; - engine->Graph.Init = nv30_graph_init; - engine->Graph.Takedown = nv30_graph_takedown; - engine->Fifo.Init = nouveau_fifo_init; - engine->Fifo.Takedown = nouveau_stub_takedown; + engine->instmem.init = nv04_instmem_init; + engine->instmem.takedown= nv04_instmem_takedown; + engine->instmem.populate = nv04_instmem_populate; + engine->instmem.clear = nv04_instmem_clear; + engine->instmem.bind = nv04_instmem_bind; + engine->instmem.unbind = nv04_instmem_unbind; + engine->mc.init = nv04_mc_init; + engine->mc.takedown = nv04_mc_takedown; + engine->timer.init = nv04_timer_init; + engine->timer.read = nv04_timer_read; + engine->timer.takedown = nv04_timer_takedown; + engine->fb.init = nv10_fb_init; + engine->fb.takedown = nv10_fb_takedown; + engine->graph.init = nv30_graph_init; + engine->graph.takedown = nv30_graph_takedown; + engine->graph.create_context = nv30_graph_create_context; + engine->graph.destroy_context = nv30_graph_destroy_context; + engine->graph.load_context = nv30_graph_load_context; + engine->graph.save_context = nv30_graph_save_context; + engine->fifo.init = nouveau_fifo_init; + engine->fifo.takedown = nouveau_stub_takedown; + engine->fifo.create_context = nv10_fifo_create_context; + engine->fifo.destroy_context = nv10_fifo_destroy_context; + engine->fifo.load_context = nv10_fifo_load_context; + engine->fifo.save_context = nv10_fifo_save_context; break; case 0x40: - engine->Mc.Init = nv40_mc_init; - engine->Mc.Takedown = nv40_mc_takedown; - engine->Timer.Init = nv04_timer_init; - engine->Timer.Takedown = nv04_timer_takedown; - engine->Fb.Init = nv40_fb_init; - engine->Fb.Takedown = nv40_fb_takedown; - engine->Graph.Init = nv40_graph_init; - engine->Graph.Takedown = nv40_graph_takedown; - engine->Fifo.Init = nouveau_fifo_init; - engine->Fifo.Takedown = nouveau_stub_takedown; + engine->instmem.init = nv04_instmem_init; + engine->instmem.takedown= nv04_instmem_takedown; + engine->instmem.populate = nv04_instmem_populate; + engine->instmem.clear = nv04_instmem_clear; + engine->instmem.bind = nv04_instmem_bind; + engine->instmem.unbind = nv04_instmem_unbind; + engine->mc.init = nv40_mc_init; + engine->mc.takedown = nv40_mc_takedown; + engine->timer.init = nv04_timer_init; + engine->timer.read = nv04_timer_read; + engine->timer.takedown = nv04_timer_takedown; + engine->fb.init = nv40_fb_init; + engine->fb.takedown = nv40_fb_takedown; + engine->graph.init = nv40_graph_init; + engine->graph.takedown = nv40_graph_takedown; + engine->graph.create_context = nv40_graph_create_context; + engine->graph.destroy_context = nv40_graph_destroy_context; + engine->graph.load_context = nv40_graph_load_context; + engine->graph.save_context = nv40_graph_save_context; + engine->fifo.init = nv40_fifo_init; + engine->fifo.takedown = nouveau_stub_takedown; + engine->fifo.create_context = nv40_fifo_create_context; + engine->fifo.destroy_context = nv40_fifo_destroy_context; + engine->fifo.load_context = nv40_fifo_load_context; + engine->fifo.save_context = nv40_fifo_save_context; break; case 0x50: + case 0x80: /* gotta love NVIDIA's consistency.. */ + engine->instmem.init = nv50_instmem_init; + engine->instmem.takedown= nv50_instmem_takedown; + engine->instmem.populate = nv50_instmem_populate; + engine->instmem.clear = nv50_instmem_clear; + engine->instmem.bind = nv50_instmem_bind; + engine->instmem.unbind = nv50_instmem_unbind; + engine->mc.init = nv50_mc_init; + engine->mc.takedown = nv50_mc_takedown; + engine->timer.init = nouveau_stub_init; + engine->timer.read = nouveau_stub_timer_read; + engine->timer.takedown = nouveau_stub_takedown; + engine->fb.init = nouveau_stub_init; + engine->fb.takedown = nouveau_stub_takedown; + engine->graph.init = nv50_graph_init; + engine->graph.takedown = nv50_graph_takedown; + engine->graph.create_context = nv50_graph_create_context; + engine->graph.destroy_context = nv50_graph_destroy_context; + engine->graph.load_context = nv50_graph_load_context; + engine->graph.save_context = nv50_graph_save_context; + engine->fifo.init = nv50_fifo_init; + engine->fifo.takedown = nv50_fifo_takedown; + engine->fifo.create_context = nv50_fifo_create_context; + engine->fifo.destroy_context = nv50_fifo_destroy_context; + engine->fifo.load_context = nv50_fifo_load_context; + engine->fifo.save_context = nv50_fifo_save_context; + break; default: DRM_ERROR("NV%02x unsupported\n", dev_priv->chipset); return 1; @@ -148,12 +267,18 @@ static int nouveau_init_engine_ptrs(drm_device_t *dev) return 0; } -static int nouveau_card_init(drm_device_t *dev) +int +nouveau_card_init(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; - struct nouveau_engine_func *engine; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_engine *engine; int ret; + DRM_DEBUG("prev state = %d\n", dev_priv->init_state); + + if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE) + return 0; + /* Map any PCI resources we need on the card */ ret = nouveau_init_card_mappings(dev); if (ret) return ret; @@ -169,101 +294,137 @@ static int nouveau_card_init(drm_device_t *dev) ret = nouveau_init_engine_ptrs(dev); if (ret) return ret; engine = &dev_priv->Engine; + dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED; + + ret = nouveau_gpuobj_early_init(dev); + if (ret) return ret; /* Initialise instance memory, must happen before mem_init so we * know exactly how much VRAM we're able to use for "normal" * purposes. */ - ret = nouveau_instmem_init(dev); + ret = engine->instmem.init(dev); if (ret) return ret; /* Setup the memory manager */ ret = nouveau_mem_init(dev); if (ret) return ret; + ret = nouveau_gpuobj_init(dev); + if (ret) return ret; + /* Parse BIOS tables / Run init tables? */ /* PMC */ - ret = engine->Mc.Init(dev); + ret = engine->mc.init(dev); if (ret) return ret; /* PTIMER */ - ret = engine->Timer.Init(dev); + ret = engine->timer.init(dev); if (ret) return ret; /* PFB */ - ret = engine->Fb.Init(dev); + ret = engine->fb.init(dev); if (ret) return ret; /* PGRAPH */ - ret = engine->Graph.Init(dev); + ret = engine->graph.init(dev); if (ret) return ret; /* PFIFO */ - ret = engine->Fifo.Init(dev); + ret = engine->fifo.init(dev); + if (ret) return ret; + + /* this call irq_preinstall, register irq handler and + * call irq_postinstall + */ + ret = drm_irq_install(dev); if (ret) return ret; /* what about PVIDEO/PCRTC/PRAMDAC etc? */ + ret = nouveau_dma_channel_init(dev); + if (ret) return ret; + + dev_priv->init_state = NOUVEAU_CARD_INIT_DONE; return 0; } -/* here a client dies, release the stuff that was allocated for its filp */ -void nouveau_preclose(drm_device_t * dev, DRMFILE filp) +static void nouveau_card_takedown(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_engine *engine = &dev_priv->Engine; + + DRM_DEBUG("prev state = %d\n", dev_priv->init_state); + + if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) { + nouveau_dma_channel_takedown(dev); + + engine->fifo.takedown(dev); + engine->graph.takedown(dev); + engine->fb.takedown(dev); + engine->timer.takedown(dev); + engine->mc.takedown(dev); + + nouveau_sgdma_nottm_hack_takedown(dev); + nouveau_sgdma_takedown(dev); + + nouveau_gpuobj_takedown(dev); + + nouveau_mem_close(dev); + engine->instmem.takedown(dev); + + drm_irq_uninstall(dev); + + nouveau_gpuobj_late_takedown(dev); - nouveau_mem_release(filp,dev_priv->fb_heap); - nouveau_mem_release(filp,dev_priv->agp_heap); - nouveau_fifo_cleanup(dev, filp); + dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN; + } } -/* first module load, setup the mmio/fb mapping */ -int nouveau_firstopen(struct drm_device *dev) +/* here a client dies, release the stuff that was allocated for its + * file_priv */ +void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv) { - int ret; + struct drm_nouveau_private *dev_priv = dev->dev_private; - ret = nouveau_card_init(dev); - if (ret) { - DRM_ERROR("nouveau_card_init() failed! (%d)\n", ret); - return ret; - } + nouveau_fifo_cleanup(dev, file_priv); + nouveau_mem_release(file_priv,dev_priv->fb_heap); + nouveau_mem_release(file_priv,dev_priv->agp_heap); + nouveau_mem_release(file_priv,dev_priv->pci_heap); +} +/* first module load, setup the mmio/fb mapping */ +int nouveau_firstopen(struct drm_device *dev) +{ return 0; } int nouveau_load(struct drm_device *dev, unsigned long flags) { - drm_nouveau_private_t *dev_priv; - int ret; + struct drm_nouveau_private *dev_priv; if (flags==NV_UNKNOWN) - return DRM_ERR(EINVAL); + return -EINVAL; - dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER); + dev_priv = drm_calloc(1, sizeof(*dev_priv), DRM_MEM_DRIVER); if (!dev_priv) - return DRM_ERR(ENOMEM); + return -ENOMEM; - memset(dev_priv, 0, sizeof(drm_nouveau_private_t)); dev_priv->card_type=flags&NOUVEAU_FAMILY; dev_priv->flags=flags&NOUVEAU_FLAGS; + dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN; dev->dev_private = (void *)dev_priv; - -#if 0 - ret = nouveau_card_init(dev); - if (ret) { - DRM_ERROR("nouveau_card_init() failed! (%d)\n", ret); - return ret; - } -#endif - return 0; } void nouveau_lastclose(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv = dev->dev_private; + struct drm_nouveau_private *dev_priv = dev->dev_private; + + nouveau_card_takedown(dev); + if(dev_priv->fb_mtrr>0) { drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); @@ -278,80 +439,95 @@ int nouveau_unload(struct drm_device *dev) return 0; } -int nouveau_ioctl_getparam(DRM_IOCTL_ARGS) +int +nouveau_ioctl_card_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) { - DRM_DEVICE; - drm_nouveau_private_t *dev_priv = dev->dev_private; - drm_nouveau_getparam_t getparam; + return nouveau_card_init(dev); +} - DRM_COPY_FROM_USER_IOCTL(getparam, (drm_nouveau_getparam_t __user *)data, - sizeof(getparam)); +int nouveau_ioctl_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_nouveau_getparam *getparam = data; + + NOUVEAU_CHECK_INITIALISED_WITH_RETURN; - switch (getparam.param) { + switch (getparam->param) { + case NOUVEAU_GETPARAM_CHIPSET_ID: + getparam->value = dev_priv->chipset; + break; case NOUVEAU_GETPARAM_PCI_VENDOR: - getparam.value=dev->pci_vendor; + getparam->value=dev->pci_vendor; break; case NOUVEAU_GETPARAM_PCI_DEVICE: - getparam.value=dev->pci_device; + getparam->value=dev->pci_device; break; case NOUVEAU_GETPARAM_BUS_TYPE: if (drm_device_is_agp(dev)) - getparam.value=NV_AGP; + getparam->value=NV_AGP; else if (drm_device_is_pcie(dev)) - getparam.value=NV_PCIE; + getparam->value=NV_PCIE; else - getparam.value=NV_PCI; + getparam->value=NV_PCI; break; case NOUVEAU_GETPARAM_FB_PHYSICAL: - getparam.value=dev_priv->fb_phys; + getparam->value=dev_priv->fb_phys; break; case NOUVEAU_GETPARAM_AGP_PHYSICAL: - getparam.value=dev_priv->agp_phys; + getparam->value=dev_priv->gart_info.aper_base; + break; + case NOUVEAU_GETPARAM_PCI_PHYSICAL: + if ( dev -> sg ) + getparam->value=(uint64_t) dev->sg->virtual; + else + { + DRM_ERROR("Requested PCIGART address, while no PCIGART was created\n"); + return -EINVAL; + } break; case NOUVEAU_GETPARAM_FB_SIZE: - getparam.value=dev_priv->fb_available_size; + getparam->value=dev_priv->fb_available_size; break; case NOUVEAU_GETPARAM_AGP_SIZE: - getparam.value=dev_priv->agp_available_size; + getparam->value=dev_priv->gart_info.aper_size; break; default: - DRM_ERROR("unknown parameter %lld\n", getparam.param); - return DRM_ERR(EINVAL); + DRM_ERROR("unknown parameter %lld\n", getparam->param); + return -EINVAL; } - DRM_COPY_TO_USER_IOCTL((drm_nouveau_getparam_t __user *)data, getparam, - sizeof(getparam)); return 0; } -int nouveau_ioctl_setparam(DRM_IOCTL_ARGS) +int nouveau_ioctl_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; - drm_nouveau_private_t *dev_priv = dev->dev_private; - drm_nouveau_setparam_t setparam; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_nouveau_setparam *setparam = data; - DRM_COPY_FROM_USER_IOCTL(setparam, (drm_nouveau_setparam_t __user *)data, - sizeof(setparam)); + NOUVEAU_CHECK_INITIALISED_WITH_RETURN; - switch (setparam.param) { + switch (setparam->param) { case NOUVEAU_SETPARAM_CMDBUF_LOCATION: - switch (setparam.value) { + switch (setparam->value) { case NOUVEAU_MEM_AGP: case NOUVEAU_MEM_FB: + case NOUVEAU_MEM_PCI: + case NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI_ACCEPTABLE: break; default: DRM_ERROR("invalid CMDBUF_LOCATION value=%lld\n", - setparam.value); - return DRM_ERR(EINVAL); + setparam->value); + return -EINVAL; } - dev_priv->config.cmdbuf.location = setparam.value; + dev_priv->config.cmdbuf.location = setparam->value; break; case NOUVEAU_SETPARAM_CMDBUF_SIZE: - dev_priv->config.cmdbuf.size = setparam.value; + dev_priv->config.cmdbuf.size = setparam->value; break; default: - DRM_ERROR("unknown parameter %lld\n", setparam.param); - return DRM_ERR(EINVAL); + DRM_ERROR("unknown parameter %lld\n", setparam->param); + return -EINVAL; } return 0; @@ -360,15 +536,30 @@ int nouveau_ioctl_setparam(DRM_IOCTL_ARGS) /* waits for idle */ void nouveau_wait_for_idle(struct drm_device *dev) { - drm_nouveau_private_t *dev_priv=dev->dev_private; - switch(dev_priv->card_type) - { - case NV_03: - while(NV_READ(NV03_PGRAPH_STATUS)); - break; - default: - while(NV_READ(NV04_PGRAPH_STATUS)); - break; + struct drm_nouveau_private *dev_priv=dev->dev_private; + switch(dev_priv->card_type) { + case NV_50: + break; + default: { + /* This stuff is more or less a copy of what is seen + * in nv28 kmmio dump. + */ + uint64_t started = dev_priv->Engine.timer.read(dev); + uint64_t stopped = started; + uint32_t status; + do { + uint32_t pmc_e = NV_READ(NV03_PMC_ENABLE); + (void)pmc_e; + status = NV_READ(NV04_PGRAPH_STATUS); + if (!status) + break; + stopped = dev_priv->Engine.timer.read(dev); + /* It'll never wrap anyway... */ + } while (stopped - started < 1000000000ULL); + if (status) + DRM_ERROR("timed out with status 0x%08x\n", + status); + } } } |