according to the guide here: https://esphome.io/components/display/mipi_dsi/
Units manufactured before October 14, 2025 use the ILI9881C display driver with separate GT911 touch driver (use M5STACK-TAB5). Units manufactured on or after that date use the integrated ST7123 display-touch driver (use M5STACK-TAB5-V2).
without this change I'm getting:
[23:11:18][C][gt911.touchscreen:154]: GT911 Touchscreen:
[23:11:18][C][gt911.touchscreen:155]: Address: 0x14
[23:11:18][C][gt911.touchscreen:152]: Interrupt Pin: GPIO23
[23:11:18][C][gt911.touchscreen:152]: Reset Pin: 5 via PI4IOE5V6408
[23:11:18][E][component:230]: touchscreen is marked FAILED: Communication failed
according to the guide here: https://esphome.io/components/display/mipi_dsi/
without this change I'm getting: