diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 77c81d6b45ee2ea34add2ffd102815269fb1c916..0f3da86840f2b6f67f355a91ca44e327027df052 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -102,7 +102,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
 	chan->drm = drm;
 
 	/* allocate memory for dma push buffer */
-	target = TTM_PL_FLAG_TT;
+	target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED;
 	if (nouveau_vram_pushbuf)
 		target = TTM_PL_FLAG_VRAM;
 
diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c
index d6c6c87c3f07e2e929e49cf8ca7d41145f8c164b..4d79be7558d8862250ee226b72682b1fe35a0911 100644
--- a/drivers/gpu/drm/nouveau/nv84_fence.c
+++ b/drivers/gpu/drm/nouveau/nv84_fence.c
@@ -246,8 +246,8 @@ nv84_fence_create(struct nouveau_drm *drm)
 
 	if (ret == 0)
 		ret = nouveau_bo_new(drm->dev, 16 * priv->base.contexts, 0,
-				     TTM_PL_FLAG_TT, 0, 0, NULL, NULL,
-				     &priv->bo_gart);
+				     TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED, 0,
+				     0, NULL, NULL, &priv->bo_gart);
 	if (ret == 0) {
 		ret = nouveau_bo_pin(priv->bo_gart, TTM_PL_FLAG_TT);
 		if (ret == 0) {