How to debug the fact that LVGL draws jerkily during scrolling

Hi all,
I am using:

  • LVGL 8.2
  • ESP32-WROOM-1 MON16R8
  • Display is an RGB interface 800x480
  • RGB Display Driver use PSRAM and Double Frame buffer.

The screen refresh seems good to me but I don’t understand why during scrolling, LVGL draws the scroll in a jerky way.
Any advice to investigate this kind of issue or to configure LVGL?

See the gif attached