diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
index deb37b4a8e91..606d8acb0954 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
@@ -386,7 +386,7 @@ static void ingenic_drm_plane_atomic_update(struct drm_plane *plane,
 		addr = drm_fb_cma_get_gem_addr(state->fb, state, 0);
 		width = state->src_w >> 16;
 		height = state->src_h >> 16;
-		cpp = state->fb->format->cpp[plane->index];
+		cpp = state->fb->format->cpp[0];
 
 		priv->dma_hwdesc->addr = addr;
 		priv->dma_hwdesc->cmd = width * height * cpp / 4;