diff --git a/projects/Rockchip/patches/linux/default/linux-1000-drm-rockchip.patch b/projects/Rockchip/patches/linux/default/linux-1000-drm-rockchip.patch
index c9f4232b06..c4d56a8781 100644
--- a/projects/Rockchip/patches/linux/default/linux-1000-drm-rockchip.patch
+++ b/projects/Rockchip/patches/linux/default/linux-1000-drm-rockchip.patch
@@ -1,35 +1,3 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Jonas Karlman <jonas@kwiboo.se>
-Date: Wed, 15 Jul 2020 15:24:47 +0000
-Subject: [PATCH] drm/rockchip: vop: fix crtc duplicate state
-
-struct rockchip_crtc_state owned members is always reset to zero in
-the atomic_duplicate_state callback.
-Fix this by using kmemdup on the subclass state structure.
-
-Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
----
- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
-
-diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
-index 9e71263ac770..dbe4d411b30f 100644
---- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
-+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
-@@ -1637,7 +1637,11 @@ static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
- 	if (WARN_ON(!crtc->state))
- 		return NULL;
- 
--	rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
-+	if (WARN_ON(!crtc->state))
-+		return NULL;
-+
-+	rockchip_state = kmemdup(to_rockchip_crtc_state(crtc->state),
-+				 sizeof(*rockchip_state), GFP_KERNEL);
- 	if (!rockchip_state)
- 		return NULL;
- 
-
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: Jonas Karlman <jonas@kwiboo.se>
 Date: Sun, 3 May 2020 16:51:31 +0000