diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 90f0bf5..72e3048 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -329,6 +329,7 @@ nv50_display_init(struct drm_device *dev)
 	nv_wr32(dev, 0x610300, nv_rd32(dev, 0x610300) & ~1);
 
 	evo->dma.max = (4096/4) - 2;
+	evo->dma.max &= ~7;
 	evo->dma.put = 0;
 	evo->dma.cur = evo->dma.put;
 	evo->dma.free = evo->dma.max - evo->dma.cur;