Merge remote branch 'nouveau/for-airlied' into drm-linus

[pandora-kernel.git] / drivers / gpu / drm / nouveau / nouveau_state.c

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 09b9a46..58b4680 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -29,12 +29,12 @@
 #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"
 #include "nv50_display.h"
 
-static int nouveau_stub_init(struct drm_device *dev) { return 0; }
 static void nouveau_stub_takedown(struct drm_device *dev) {}
 
 static int nouveau_init_engine_ptrs(struct drm_device *dev)
@@ -276,8 +276,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
                engine->timer.init              = nv04_timer_init;
                engine->timer.read              = nv04_timer_read;
                engine->timer.takedown          = nv04_timer_takedown;
-               engine->fb.init                 = nouveau_stub_init;
-               engine->fb.takedown             = nouveau_stub_takedown;
+               engine->fb.init                 = nv50_fb_init;
+               engine->fb.takedown             = nv50_fb_takedown;
                engine->graph.grclass           = nv50_graph_grclass;
                engine->graph.init              = nv50_graph_init;
                engine->graph.takedown          = nv50_graph_takedown;
@@ -310,6 +310,14 @@ 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 +371,30 @@ 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 +408,8 @@ 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 +417,7 @@ 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 +462,19 @@ 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 +518,11 @@ 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:
@@ -518,13 +559,16 @@ 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);
 
                mutex_lock(&dev->struct_mutex);
+               ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
                ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
                mutex_unlock(&dev->struct_mutex);
                nouveau_sgdma_takedown(dev);
@@ -600,11 +644,6 @@ 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;
@@ -759,13 +798,6 @@ 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)
 {
@@ -816,6 +848,15 @@ 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;