There is an existing application note showing how to connect a memory mapped graphical LCD to cc9p9215 using available ChipSelect and Static memory interface. However this will require a driver and graphical library integration which sounds like an overkill for what you are trying to do. The easiest approach to displaying variables would probably be a text only character serial LCD (USART/SPI/I2C)
there are many of those available like this one for example:
https://www.sparkfun.com/products/9395