diff --git a/a210_defconfig b/a210_defconfig
index adc48a0..ef5af67 100644
--- a/a210_defconfig
+++ b/a210_defconfig
@@ -21,7 +21,7 @@ CONFIG_PSI=y
 CONFIG_PSI_DEFAULT_DISABLED=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=20
+CONFIG_LOG_BUF_SHIFT=24
 CONFIG_NUMA_BALANCING=y
 CONFIG_MEMCG=y
 CONFIG_BLK_CGROUP=y
@@ -1208,8 +1208,8 @@ CONFIG_DRM_AST=m
 CONFIG_DRM_MGAG200=m
 CONFIG_DRM_QXL=m
 CONFIG_DRM_VIRTIO_GPU=m
-CONFIG_DRM_PANEL_SIMPLE=y
-CONFIG_DRM_PANEL_JADARD_JD9365DA_H3=y
+CONFIG_DRM_PANEL_SIMPLE=m
+CONFIG_DRM_PANEL_JADARD_JD9365DA_H3=m
 CONFIG_DRM_ETNAVIV=m
 CONFIG_DRM_BOCHS=m
 CONFIG_DRM_CIRRUS_QEMU=m
diff --git a/kernel-a210.spec b/kernel-a210.spec
index b82c534..694e460 100644
--- a/kernel-a210.spec
+++ b/kernel-a210.spec
@@ -1,6 +1,6 @@
 ## Informations filled by packager
 #%%define vendor_version x.x.x
-%define pkg_release 1
+%define pkg_release 2
 
 ## Default build options
 %bcond devel 1
@@ -220,5 +220,8 @@ rm -f "%{_localstatedir}/lib/rpm-state/%{name}-%{KERNELRELEASE}.reinstall"
 %endif
 
 %changelog
+* Thu Nov 11 2025 Hangfan Li <lihangfan@iscas.ac.cn> - 6.6.0.pkg2
+- Bump to 251105, dropping support for v1 boards
+
 * Thu Oct 30 2025 Hangfan Li <lihangfan@iscas.ac.cn> - 6.6.0.pkg1
 - Init package
diff --git a/src b/src
index dfaa1c0..0e5056b 160000
--- a/src
+++ b/src
@@ -1 +1 @@
-Subproject commit dfaa1c0aef6dc8b0fb6cc4bd2be4c2a0bbfb7ee3
+Subproject commit 0e5056b0cb99dd500198c56419d9394e1e8556b2