Well if anyone wants to fool around you can try upgrading to LWJGL 2.8.4 (or the nighty's builds) , see if it fixes or breaks anything with ati. (Jpcsp comes with LWJGL 2.7.1).
So I would assume a few things might of been fixed, quickly looking at the change log..... (I personally see no difference w/ nvidia cards though :p)
I would strongly recommend doing it on a separate jpcsp install though since it's merely for testing and bug reports wouldn't count with it, (should be pretty easy to change just copy and replace any matching dll / lib and jar's in the jpcsp lib directory.)
So I would assume a few things might of been fixed, quickly looking at the change log..... (I personally see no difference w/ nvidia cards though :p)
I would strongly recommend doing it on a separate jpcsp install though since it's merely for testing and bug reports wouldn't count with it, (should be pretty easy to change just copy and replace any matching dll / lib and jar's in the jpcsp lib directory.)
Try Out JPCSP Launcher v1.8.0.4 | How to post a log