diff --git a/drivers/gpu/drm/nouveau/core/core/client.c b/drivers/gpu/drm/nouveau/core/core/client.c
index 10598de..68bf067 100644
--- a/drivers/gpu/drm/nouveau/core/core/client.c
+++ b/drivers/gpu/drm/nouveau/core/core/client.c
@@ -132,12 +132,12 @@
 		if (ret == 0) {
 			client->notify[index] = notify;
 			notify->client = client;
-			return 0;
+			return index;
 		}
 	}
 
 	kfree(notify);
-	return 0;
+	return ret;
 }
 
 static int
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c
index 54ec53b..cdf9147 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c
@@ -163,6 +163,7 @@
 		device->oclass[NVDEV_SUBDEV_BUS    ] =  nvc0_bus_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &gk20a_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_FB     ] =  gk20a_fb_oclass;
+		device->oclass[NVDEV_SUBDEV_LTC    ] =  gk104_ltc_oclass;
 		device->oclass[NVDEV_SUBDEV_IBUS   ] = &gk20a_ibus_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] = nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_VM     ] = &nvc0_vmmgr_oclass;
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index db19191..30fd1dc 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -68,6 +68,9 @@
 		}
 	}
 
+	if (zbc < 0)
+		return zbc;
+
 	memcpy(priv->zbc_color[zbc].ds, ds, sizeof(priv->zbc_color[zbc].ds));
 	memcpy(priv->zbc_color[zbc].l2, l2, sizeof(priv->zbc_color[zbc].l2));
 	priv->zbc_color[zbc].format = format;
@@ -109,6 +112,9 @@
 		}
 	}
 
+	if (zbc < 0)
+		return zbc;
+
 	priv->zbc_depth[zbc].format = format;
 	priv->zbc_depth[zbc].ds = ds;
 	priv->zbc_depth[zbc].l2 = l2;
diff --git a/drivers/gpu/drm/nouveau/core/include/core/client.h b/drivers/gpu/drm/nouveau/core/include/core/client.h
index 4fc6ab1..1794a05 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/client.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/client.h
@@ -14,7 +14,7 @@
 	void *data;
 
 	int (*ntfy)(const void *, u32, const void *, u32);
-	struct nvkm_client_notify *notify[8];
+	struct nvkm_client_notify *notify[16];
 };
 
 static inline struct nouveau_client *
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
index 73b1ed2..8bcbdf3 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c
@@ -99,8 +99,13 @@
 		  struct nouveau_mem *mem, struct nouveau_object **pobject)
 {
 	struct nouveau_object *engine = nv_object(bar);
-	return nouveau_object_ctor(parent, engine, &nouveau_barobj_oclass,
-				   mem, 0, pobject);
+	int ret = -ENOMEM;
+	if (bar->iomem) {
+		ret = nouveau_object_ctor(parent, engine,
+					  &nouveau_barobj_oclass,
+					  mem, 0, pobject);
+	}
+	return ret;
 }
 
 int
@@ -118,9 +123,12 @@
 	if (ret)
 		return ret;
 
-	if (nv_device_resource_len(device, 3) != 0)
+	if (nv_device_resource_len(device, 3) != 0) {
 		bar->iomem = ioremap(nv_device_resource_start(device, 3),
 				     nv_device_resource_len(device, 3));
+		if (!bar->iomem)
+			nv_warn(bar, "PRAMIN ioremap failed\n");
+	}
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c
index 9465185..2b284b1 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnvc0.c
@@ -554,13 +554,13 @@
 	} else {
 		/* otherwise, address lowest common amount from 0GiB */
 		ret = nouveau_mm_init(&pfb->vram, rsvd_head,
-				      (bsize << 8) * parts, 1);
+				      (bsize << 8) * parts - rsvd_head, 1);
 		if (ret)
 			return ret;
 
 		/* and the rest starting from (8GiB + common_size) */
 		offset = (0x0200000000ULL >> 12) + (bsize << 8);
-		length = (ram->size >> 12) - (bsize << 8) - rsvd_tail;
+		length = (ram->size >> 12) - ((bsize * parts) << 8) - rsvd_tail;
 
 		ret = nouveau_mm_init(&pfb->vram, offset, length, 0);
 		if (ret)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
index 9e00a1e..b54b582 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/ltc/gf100.c
@@ -156,7 +156,7 @@
 	if (ret) {
 		priv->num_tags = 0;
 	} else {
-		u64 tag_base = (priv->tag_ram->offset << 12) + tag_margin;
+		u64 tag_base = ((u64)priv->tag_ram->offset << 12) + tag_margin;
 
 		tag_base += tag_align - 1;
 		ret = do_div(tag_base, tag_align);
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index da5d631..01da508 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1228,7 +1228,6 @@
 	struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	struct nouveau_mem *node = mem->mm_node;
-	struct drm_device *dev = drm->dev;
 	int ret;
 
 	mem->bus.addr = NULL;
@@ -1247,7 +1246,7 @@
 		if (drm->agp.stat == ENABLED) {
 			mem->bus.offset = mem->start << PAGE_SHIFT;
 			mem->bus.base = drm->agp.base;
-			mem->bus.is_iomem = !dev->agp->cant_use_aperture;
+			mem->bus.is_iomem = !drm->dev->agp->cant_use_aperture;
 		}
 #endif
 		if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA || !node->memtype)
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 1cc7b60..65b4fd5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -592,7 +592,9 @@
 		if (!nouveau_fb || !nouveau_fb->nvbo)
 			continue;
 
-		nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
+		ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
+		if (ret)
+			NV_ERROR(drm, "Could not pin framebuffer\n");
 	}
 
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index ebfe3180..8bdd270 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -226,7 +226,7 @@
 	}
 }
 
-void
+static void
 nouveau_fbcon_accel_fini(struct drm_device *dev)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
@@ -246,7 +246,7 @@
 	}
 }
 
-void
+static void
 nouveau_fbcon_accel_init(struct drm_device *dev)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c
index 0ffeb50..246a824 100644
--- a/drivers/gpu/drm/nouveau/nouveau_platform.c
+++ b/drivers/gpu/drm/nouveau/nouveau_platform.c
@@ -149,7 +149,8 @@
 static int nouveau_platform_remove(struct platform_device *pdev)
 {
 	struct drm_device *drm_dev = platform_get_drvdata(pdev);
-	struct nouveau_device *device = nouveau_dev(drm_dev);
+	struct nouveau_drm *drm = nouveau_drm(drm_dev);
+	struct nouveau_device *device = nvkm_device(&drm->device);
 	struct nouveau_platform_gpu *gpu = nv_device_to_platform(device)->gpu;
 
 	nouveau_drm_device_remove(drm_dev);
diff --git a/drivers/gpu/drm/nouveau/nvif/class.h b/drivers/gpu/drm/nouveau/nvif/class.h
index cc81e0e..573491f 100644
--- a/drivers/gpu/drm/nouveau/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/nvif/class.h
@@ -428,8 +428,8 @@
 struct nv50_disp_dac_load_v0 {
 	__u8  version;
 	__u8  load;
-	__u16 data;
-	__u8  pad04[4];
+	__u8  pad02[2];
+	__u32 data;
 };
 
 struct nv50_disp_sor_pwr_v0 {
diff --git a/drivers/gpu/drm/nouveau/nvif/notify.c b/drivers/gpu/drm/nouveau/nvif/notify.c
index 7c06123..0898c31 100644
--- a/drivers/gpu/drm/nouveau/nvif/notify.c
+++ b/drivers/gpu/drm/nouveau/nvif/notify.c
@@ -87,12 +87,25 @@
 	return 0;
 }
 
+static inline int
+nvif_notify_func(struct nvif_notify *notify, bool keep)
+{
+	int ret = notify->func(notify);
+	if (ret == NVIF_NOTIFY_KEEP ||
+	    !test_and_clear_bit(NVKM_NOTIFY_USER, &notify->flags)) {
+		if (!keep)
+			atomic_dec(&notify->putcnt);
+		else
+			nvif_notify_get_(notify);
+	}
+	return ret;
+}
+
 static void
 nvif_notify_work(struct work_struct *work)
 {
 	struct nvif_notify *notify = container_of(work, typeof(*notify), work);
-	if (notify->func(notify) == NVIF_NOTIFY_KEEP)
-		nvif_notify_get_(notify);
+	nvif_notify_func(notify, true);
 }
 
 int
@@ -113,19 +126,15 @@
 	if (!WARN_ON(notify == NULL)) {
 		struct nvif_client *client = nvif_client(notify->object);
 		if (!WARN_ON(notify->size != size)) {
+			atomic_inc(&notify->putcnt);
 			if (test_bit(NVIF_NOTIFY_WORK, &notify->flags)) {
-				atomic_inc(&notify->putcnt);
 				memcpy((void *)notify->data, data, size);
 				schedule_work(&notify->work);
 				return NVIF_NOTIFY_DROP;
 			}
 			notify->data = data;
-			ret = notify->func(notify);
+			ret = nvif_notify_func(notify, client->driver->keep);
 			notify->data = NULL;
-			if (ret != NVIF_NOTIFY_DROP && client->driver->keep) {
-				atomic_inc(&notify->putcnt);
-				nvif_notify_get_(notify);
-			}
 		}
 	}
 
@@ -228,8 +237,10 @@
 	if (notify) {
 		int ret = nvif_notify_init(object, nvif_notify_del, func, work,
 					   type, data, size, reply, notify);
-		if (ret)
+		if (ret) {
 			kfree(notify);
+			notify = NULL;
+		}
 		*pnotify = notify;
 		return ret;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvif/object.c b/drivers/gpu/drm/nouveau/nvif/object.c
index b0c8220..dd85b56 100644
--- a/drivers/gpu/drm/nouveau/nvif/object.c
+++ b/drivers/gpu/drm/nouveau/nvif/object.c
@@ -275,8 +275,10 @@
 	if (object) {
 		int ret = nvif_object_init(parent, nvif_object_del, handle,
 					   oclass, data, size, object);
-		if (ret)
+		if (ret) {
 			kfree(object);
+			object = NULL;
+		}
 		*pobject = object;
 		return ret;
 	}