1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index aad105ba735f..91305eb7d312 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1052,6 +1052,17 @@ static void vop_crtc_destroy(struct drm_crtc *crtc)
         drm_crtc_cleanup(crtc);
 }
 
+static void vop_crtc_reset(struct drm_crtc *crtc)
+{
+        if (crtc->state)
+                __drm_atomic_helper_crtc_destroy_state(crtc->state);
+        kfree(crtc->state);
+
+        crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
+        if (crtc->state)
+                crtc->state->crtc = crtc;
+}
+
 static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
 {
         struct rockchip_crtc_state *rockchip_state;
@@ -1077,7 +1088,7 @@ static const struct drm_crtc_funcs vop_crtc_funcs = {
         .set_config = drm_atomic_helper_set_config,
         .page_flip = drm_atomic_helper_page_flip,
         .destroy = vop_crtc_destroy,
-        .reset = drm_atomic_helper_crtc_reset,
+        .reset = vop_crtc_reset,
         .atomic_duplicate_state = vop_crtc_duplicate_state,
         .atomic_destroy_state = vop_crtc_destroy_state,
 };