diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 89 |
1 files changed, 65 insertions, 24 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index f2d0187ba152..eb8f084d5f53 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -29,6 +29,7 @@ #include "drm_sarea.h" #include "drm_crtc_helper.h" #include <linux/vgaarb.h> +#include <linux/vga_switcheroo.h> #include "nouveau_drv.h" #include "nouveau_drm.h" @@ -310,6 +311,14 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) static unsigned int nouveau_vga_set_decode(void *priv, bool state) { + struct drm_device *dev = priv; + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->chipset >= 0x40) + nv_wr32(dev, 0x88054, state); + else + nv_wr32(dev, 0x1854, state); + if (state) return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; @@ -363,6 +372,30 @@ out_err: return ret; } +static void nouveau_switcheroo_set_state(struct pci_dev *pdev, + enum vga_switcheroo_state state) +{ + pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; + if (state == VGA_SWITCHEROO_ON) { + printk(KERN_ERR "VGA switcheroo: switched nouveau on\n"); + nouveau_pci_resume(pdev); + } else { + printk(KERN_ERR "VGA switcheroo: switched nouveau off\n"); + nouveau_pci_suspend(pdev, pmm); + } +} + +static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + bool can_switch; + + spin_lock(&dev->count_lock); + can_switch = (dev->open_count == 0); + spin_unlock(&dev->count_lock); + return can_switch; +} + int nouveau_card_init(struct drm_device *dev) { @@ -376,6 +409,8 @@ nouveau_card_init(struct drm_device *dev) return 0; vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode); + vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state, + nouveau_switcheroo_can_switch); /* Initialise internal driver API hooks */ ret = nouveau_init_engine_ptrs(dev); @@ -383,6 +418,7 @@ nouveau_card_init(struct drm_device *dev) goto out; engine = &dev_priv->engine; dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED; + spin_lock_init(&dev_priv->context_switch_lock); /* Parse BIOS tables / Run init tables if card not POSTed */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -427,15 +463,19 @@ nouveau_card_init(struct drm_device *dev) if (ret) goto out_timer; - /* PGRAPH */ - ret = engine->graph.init(dev); - if (ret) - goto out_fb; + if (nouveau_noaccel) + engine->graph.accel_blocked = true; + else { + /* PGRAPH */ + ret = engine->graph.init(dev); + if (ret) + goto out_fb; - /* PFIFO */ - ret = engine->fifo.init(dev); - if (ret) - goto out_graph; + /* PFIFO */ + ret = engine->fifo.init(dev); + if (ret) + goto out_graph; + } /* this call irq_preinstall, register irq handler and * call irq_postinstall @@ -479,9 +519,11 @@ nouveau_card_init(struct drm_device *dev) out_irq: drm_irq_uninstall(dev); out_fifo: - engine->fifo.takedown(dev); + if (!nouveau_noaccel) + engine->fifo.takedown(dev); out_graph: - engine->graph.takedown(dev); + if (!nouveau_noaccel) + engine->graph.takedown(dev); out_fb: engine->fb.takedown(dev); out_timer: @@ -518,8 +560,10 @@ static void nouveau_card_takedown(struct drm_device *dev) dev_priv->channel = NULL; } - engine->fifo.takedown(dev); - engine->graph.takedown(dev); + if (!nouveau_noaccel) { + engine->fifo.takedown(dev); + engine->graph.takedown(dev); + } engine->fb.takedown(dev); engine->timer.takedown(dev); engine->mc.takedown(dev); @@ -601,11 +645,6 @@ int nouveau_load(struct drm_device *dev, unsigned long flags) NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n", dev->pci_vendor, dev->pci_device, dev->pdev->class); - dev_priv->acpi_dsm = nouveau_dsm_probe(dev); - - if (dev_priv->acpi_dsm) - nouveau_hybrid_setup(dev); - dev_priv->wq = create_workqueue("nouveau"); if (!dev_priv->wq) return -EINVAL; @@ -760,13 +799,6 @@ int nouveau_unload(struct drm_device *dev) return 0; } -int -nouveau_ioctl_card_init(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - return nouveau_card_init(dev); -} - int nouveau_ioctl_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -817,6 +849,15 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, case NOUVEAU_GETPARAM_VM_VRAM_BASE: getparam->value = dev_priv->vm_vram_base; break; + case NOUVEAU_GETPARAM_GRAPH_UNITS: + /* NV40 and NV50 versions are quite different, but register + * address is the same. User is supposed to know the card + * family anyway... */ + if (dev_priv->chipset >= 0x40) { + getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS); + break; + } + /* FALLTHRU */ default: NV_ERROR(dev, "unknown parameter %lld\n", getparam->param); return -EINVAL; |