Realme phones use a different panel refresh rate negotiation (DDIC). TPD-K1 has to emulate the "fake" panel ID to trick the ColorOS display HAL into thinking it's talking to a Samsung E4 panel when it's actually talking to a BOE panel. If the timings are off by 1ms, you get screen flickering at 60Hz.
Forget the marketing fluff. TPD-K1 is usually a codename for a specific branch of the Linux kernel source adapted for a Qualcomm Snapdragon platform (often 865/870/888 era) designed to run a ColorOS-based framework on a non-Oppo device. tpd-k1
Disclaimer: This article is a creative interpretation of the designation "tpd-k1." If this designation refers to a specific existing consumer product, industrial part, or software tool not described above, please provide context for a more tailored response. Realme phones use a different panel refresh rate