diff --git a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
index 2468e91b36db..babf680c25fd 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
@@ -47,13 +47,15 @@ curs507a_update(struct nv50_wndw *wndw, u32 *interlock)
 		nvif_wr32(&wndw->wimm.base.user, 0x0080, 0x00000000);
 }
 
-static void
+static int
 curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-	if (curs507a_space(wndw)) {
+	int ret = nvif_chan_wait(&wndw->wimm, 1);
+	if (ret == 0) {
 		nvif_wr32(&wndw->wimm.base.user, 0x0084, asyw->point.y << 16 |
 							 asyw->point.x);
 	}
+	return ret;
 }
 
 const struct nv50_wimm_func
diff --git a/drivers/gpu/drm/nouveau/dispnv50/cursc37a.c b/drivers/gpu/drm/nouveau/dispnv50/cursc37a.c
index 96dff4f09f57..45c1c33e950a 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/cursc37a.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/cursc37a.c
@@ -29,13 +29,15 @@ cursc37a_update(struct nv50_wndw *wndw, u32 *interlock)
 		nvif_wr32(&wndw->wimm.base.user, 0x0200, 0x00000001);
 }
 
-static void
+static int
 cursc37a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-	if (curs507a_space(wndw)) {
+	int ret = nvif_chan_wait(&wndw->wimm, 1);
+	if (ret == 0) {
 		nvif_wr32(&wndw->wimm.base.user, 0x0208, asyw->point.y << 16 |
 							 asyw->point.x);
 	}
+	return ret;
 }
 
 static const struct nv50_wimm_func
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
index f7dbd965e4e7..4eb5abfb8ebf 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
@@ -24,6 +24,7 @@
 #include "wndw.h"
 
 #include <nvif/clc37b.h>
+#include <nvif/pushc37b.h>
 
 static void
 wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock)
@@ -39,15 +40,17 @@ wimmc37b_update(struct nv50_wndw *wndw, u32 *interlock)
 	}
 }
 
-static void
+static int
 wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
-	u32 *push;
-	if ((push = evo_wait(&wndw->wimm, 2))) {
-		evo_mthd(push, 0x0208, 1);
-		evo_data(push, asyw->point.y << 16 | asyw->point.x);
-		evo_kick(push, &wndw->wimm);
-	}
+	struct nvif_push *push = wndw->wimm.push;
+	int ret;
+
+	if ((ret = PUSH_WAIT(push, 2)))
+		return ret;
+
+	PUSH_NVSQ(push, NVC37B, 0x0208, asyw->point.y << 16 | asyw->point.x);
+	return 0;
 }
 
 static const struct nv50_wimm_func
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.h b/drivers/gpu/drm/nouveau/dispnv50/wndw.h
index a7412b9d3a98..53e496bfbc9d 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.h
@@ -91,7 +91,7 @@ void base907c_csc(struct nv50_wndw *, struct nv50_wndw_atom *,
 		  const struct drm_color_ctm *);
 
 struct nv50_wimm_func {
-	void (*point)(struct nv50_wndw *, struct nv50_wndw_atom *);
+	int (*point)(struct nv50_wndw *, struct nv50_wndw_atom *);
 
 	void (*update)(struct nv50_wndw *, u32 *interlock);
 };
@@ -99,6 +99,13 @@ struct nv50_wimm_func {
 extern const struct nv50_wimm_func curs507a;
 bool curs507a_space(struct nv50_wndw *);
 
+static inline __must_check int
+nvif_chan_wait(struct nv50_dmac *dmac, u32 size)
+{
+	struct nv50_wndw *wndw = container_of(dmac, typeof(*wndw), wimm);
+	return curs507a_space(wndw) ? 0 : -ETIMEDOUT;
+}
+
 int wndwc37e_new(struct nouveau_drm *, enum drm_plane_type, int, s32,
 		 struct nv50_wndw **);
 int wndwc37e_new_(const struct nv50_wndw_func *, struct nouveau_drm *,
diff --git a/drivers/gpu/drm/nouveau/include/nvhw/class/clc37b.h b/drivers/gpu/drm/nouveau/include/nvhw/class/clc37b.h
new file mode 100644
index 000000000000..0f7323bfa09b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvhw/class/clc37b.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 1993-2017, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef _clC37b_h_
+#define _clC37b_h_
+
+// dma opcode instructions
+#define NVC37B_DMA
+#define NVC37B_DMA_OPCODE                                                        31:29
+#define NVC37B_DMA_OPCODE_METHOD                                            0x00000000
+#define NVC37B_DMA_OPCODE_JUMP                                              0x00000001
+#define NVC37B_DMA_OPCODE_NONINC_METHOD                                     0x00000002
+#define NVC37B_DMA_OPCODE_SET_SUBDEVICE_MASK                                0x00000003
+#define NVC37B_DMA_METHOD_COUNT                                                  27:18
+#define NVC37B_DMA_METHOD_OFFSET                                                  13:2
+#define NVC37B_DMA_DATA                                                           31:0
+#define NVC37B_DMA_DATA_NOP                                                 0x00000000
+#define NVC37B_DMA_JUMP_OFFSET                                                    11:2
+#define NVC37B_DMA_SET_SUBDEVICE_MASK_VALUE                                       11:0
+
+// class methods
+#define NVC37B_UPDATE                                                           (0x00000200)
+#define NVC37B_UPDATE_INTERLOCK_WITH_WINDOW                                     1:1
+#define NVC37B_UPDATE_INTERLOCK_WITH_WINDOW_DISABLE                             (0x00000000)
+#define NVC37B_UPDATE_INTERLOCK_WITH_WINDOW_ENABLE                              (0x00000001)
+#define NVC37B_SET_POINT_OUT(b)                                                 (0x00000208 + (b)*0x00000004)
+#define NVC37B_SET_POINT_OUT_X                                                  15:0
+#define NVC37B_SET_POINT_OUT_Y                                                  31:16
+#endif // _clC37b_h
diff --git a/drivers/gpu/drm/nouveau/include/nvif/pushc37b.h b/drivers/gpu/drm/nouveau/include/nvif/pushc37b.h
new file mode 100644
index 000000000000..8f0c45703e33
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/pushc37b.h
@@ -0,0 +1,18 @@
+#ifndef __NVIF_PUSHC37B_H__
+#define __NVIF_PUSHC37B_H__
+#include <nvif/push.h>
+
+#include <nvhw/class/clc37b.h>
+
+#define PUSH_HDR(p,m,c) do {                                                    \
+        PUSH_ASSERT(!((m) & ~DRF_SMASK(NVC37B_DMA_METHOD_OFFSET)), "mthd");     \
+        PUSH_ASSERT(!((c) & ~DRF_MASK(NVC37B_DMA_METHOD_COUNT)), "size");       \
+        PUSH_DATA__((p), NVDEF(NVC37B, DMA, OPCODE, METHOD) |                   \
+			 NVVAL(NVC37B, DMA, METHOD_COUNT, (c)) |                \
+			 NVVAL(NVC37B, DMA, METHOD_OFFSET, (m) >> 2),           \
+		    " mthd 0x%04x size %d - %s", (u32)(m), (u32)(c), __func__); \
+} while(0)
+
+#define PUSH_MTHD_HDR(p,s,m,c) PUSH_HDR(p,m,c)
+#define PUSH_MTHD_INC 4:4
+#endif