如何修改RK1808 buildroot mipi屏横屏显示？

diff --git a/buildroot/board/rockchip/rk1808/fs-overlay-64/etc/xdg/weston/weston.ini b/buildroot/board/rockchip/rk1808/fs-overlay-64/etc/xdg/weston/weston.ini
old mode 100644
new mode 100755
index 1537d29..d350a84
--- a/buildroot/board/rockchip/rk1808/fs-overlay-64/etc/xdg/weston/weston.ini
+++ b/buildroot/board/rockchip/rk1808/fs-overlay-64/etc/xdg/weston/weston.ini
@@ -4,4 +4,4 @@
require-input=false
[output]
name=DSI-1
-transform=90
+transform=0