1 files changed, 28 insertions, 12 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a4851af5b05..eb8f084d5f5 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"
@@ -371,6 +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)
 {
@@ -384,6 +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);
@@ -391,6 +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)) {
@@ -617,11 +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;
@@ -776,13 +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)
 {