diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
index 512af976b7e9..c3de4f339387 100644
--- a/drivers/gpu/drm/omapdrm/omap_plane.c
+++ b/drivers/gpu/drm/omapdrm/omap_plane.c
@@ -104,12 +104,15 @@ static void omap_plane_atomic_disable(struct drm_plane *plane,
 	dispc_ovl_enable(priv->dispc, omap_plane->id, false);
 }
 
+#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
+
 static int omap_plane_atomic_check(struct drm_plane *plane,
 				   struct drm_atomic_state *state)
 {
 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
 										 plane);
 	struct drm_crtc_state *crtc_state;
+	int ret;
 
 	if (!new_plane_state->fb)
 		return 0;
@@ -127,6 +130,18 @@ static int omap_plane_atomic_check(struct drm_plane *plane,
 	if (!crtc_state->enable)
 		return 0;
 
+	/*
+	 * Note: these are just sanity checks to filter out totally bad scaling
+	 * factors. The real limits must be calculated case by case, and
+	 * unfortunately we currently do those checks only at the commit
+	 * phase in dispc.
+	 */
+	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
+						  FRAC_16_16(1, 8), FRAC_16_16(8, 1),
+						  true, true);
+	if (ret)
+		return ret;
+
 	if (new_plane_state->crtc_x < 0 || new_plane_state->crtc_y < 0)
 		return -EINVAL;