Artifact when rotating in landscape mode (LV_DISPLAY_ROTATION_90, LV_DISPLAY_ROTATION_270)

[cornrn]

旋转不了屏幕，旋转就会花屏真奇怪

[Times-Z]

Hello, I’m able to reproduce the issue with LV_DISPLAY_ROTATION_270 and LV_DISPLAY_ROTATION_90 (landscape mode).

I haven’t handled those cases yet; however, LV_DISPLAY_ROTATION_180 works perfectly.