Question: Will the endpoint at full-speed disable the FX2 GPIF?
Answer: In general, no.
Yes, if the transaction count has expired, or if you've programmed the GPIF to stop when the endpoint goes full by setting EPxGPIFPFSTOP.0 and selecting the full flag of the endpoint as the GPIF fifo flag in the EPxGPIFFLGSEL register.
