diff --git a/linux-6.6/rk3568_patch/kernel.patch b/linux-6.6/rk3568_patch/kernel.patch
index 1ed6c6098ecae2c36675b3d41a2a1ac30b50e240..7bf249f5e8f84feba62424923234b03be60b46f7 100644
--- a/linux-6.6/rk3568_patch/kernel.patch
+++ b/linux-6.6/rk3568_patch/kernel.patch
@@ -552750,7 +552750,7 @@ index ab55d7132..4184bb8a0 100644
 +static const struct file_operations rockchip_drm_driver_fops = {
 +	.owner = THIS_MODULE,
 +	.open = drm_open,
-+	.mmap = rockchip_gem_mmap,
++	.mmap = drm_gem_mmap,
 +	.poll = drm_poll,
 +	.read = drm_read,
 +	.unlocked_ioctl = drm_ioctl,