diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc
index b52f4a8..5547c1b 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc
@@ -352,6 +352,9 @@
 
 	// per-TPC mmio context
 	xbit $r10 $flags $p1	// direction
+#if !NV_PGRAPH_GPCX_UNK__SIZE
+	or $r10 4		// last
+#endif
 	mov $r11 0x4000
 	sethi $r11 0x500000	// base = NV_PGRAPH_GPC0_TPC0
 	ld b32 $r12 D[$r0 + #gpc_id]
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h
index 2afe75ce..f2b0dea 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h
@@ -400,26 +400,26 @@
 	0x0d98000c,
 	0x00e7f001,
 	0x016621f5,
-	0xf101acf0,
-	0xf04000b7,
-	0x0c9850b3,
-	0x0fc4b604,
-	0x9800bcbb,
-	0x0d98010c,
-	0x060f9802,
-	0x0800e7f1,
-	0x016621f5,
-	0x021521f5,
-	0xf40601f4,
-/* 0x0532: ctx_xfer_post */
-	0x17f11412,
-	0x13f04afc,
-	0x0d27f002,
-	0xf50012d0,
-/* 0x0543: ctx_xfer_done */
-	0xf5021521,
-	0xf8047921,
-	0x00000000,
+	0xf001acf0,
+	0xb7f104a5,
+	0xb3f04000,
+	0x040c9850,
+	0xbb0fc4b6,
+	0x0c9800bc,
+	0x020d9801,
+	0xf1060f98,
+	0xf50800e7,
+	0xf5016621,
+	0xf4021521,
+	0x12f40601,
+/* 0x0535: ctx_xfer_post */
+	0xfc17f114,
+	0x0213f04a,
+	0xd00d27f0,
+	0x21f50012,
+/* 0x0546: ctx_xfer_done */
+	0x21f50215,
+	0x00f80479,
 	0x00000000,
 	0x00000000,
 	0x00000000,
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index a1cf825..4b1afb1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -968,7 +968,7 @@
 		     bool no_wait_gpu, struct ttm_mem_reg *new_mem)
 {
 	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
-	struct nouveau_channel *chan = chan = drm->channel;
+	struct nouveau_channel *chan = chan = drm->ttm.chan;
 	struct nouveau_bo *nvbo = nouveau_bo(bo);
 	struct ttm_mem_reg *old_mem = &bo->mem;
 	int ret;
@@ -1052,6 +1052,7 @@
 			}
 
 			drm->ttm.move = mthd->exec;
+			drm->ttm.chan = chan;
 			name = mthd->name;
 			break;
 		}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index f2b30f8..41ff7e0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -96,6 +96,7 @@
 		int (*move)(struct nouveau_channel *,
 			    struct ttm_buffer_object *,
 			    struct ttm_mem_reg *, struct ttm_mem_reg *);
+		struct nouveau_channel *chan;
 		int mtrr;
 	} ttm;