1 files changed, 13 insertions, 12 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index e632339c323..b02a231d693 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -376,12 +376,15 @@ out_err:
 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
                                          enum vga_switcheroo_state state)
 {
+        struct drm_device *dev = pci_get_drvdata(pdev);
         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);
+                drm_kms_helper_poll_enable(dev);
         } else {
                 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
+                drm_kms_helper_poll_disable(dev);
                 nouveau_pci_suspend(pdev, pmm);
         }
 }
@@ -776,29 +779,24 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
                         return ret;
         }
 
-        /* map larger RAMIN aperture on NV40 cards */
-        dev_priv->ramin  = NULL;
+        /* Map PRAMIN BAR, or on older cards, the aperture withing BAR0 */
         if (dev_priv->card_type >= NV_40) {
                 int ramin_bar = 2;
                 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
                         ramin_bar = 3;
 
                 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
-                dev_priv->ramin = ioremap(
-                                pci_resource_start(dev->pdev, ramin_bar),
+                dev_priv->ramin =
+                        ioremap(pci_resource_start(dev->pdev, ramin_bar),
                                 dev_priv->ramin_size);
                 if (!dev_priv->ramin) {
-                        NV_ERROR(dev, "Failed to init RAMIN mapping, "
-                                      "limited instance memory available\n");
+                        NV_ERROR(dev, "Failed to PRAMIN BAR");
+                        return -ENOMEM;
                 }
-        }
-
-        /* On older cards (or if the above failed), create a map covering
-         * the BAR0 PRAMIN aperture */
-        if (!dev_priv->ramin) {
+        } else {
                 dev_priv->ramin_size = 1 * 1024 * 1024;
                 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
-                                                        dev_priv->ramin_size);
+                                          dev_priv->ramin_size);
                 if (!dev_priv->ramin) {
                         NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
                         return -ENOMEM;
@@ -913,6 +911,9 @@ 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_PTIMER_TIME:
+                getparam->value = dev_priv->engine.timer.read(dev);
+                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