Don't return latched framebuf if not latched.
Merge pull request #5093 from unknownbrackets/display-minor

Don't return latched framebuf if not latched
Option to select PSP models (1000, 2000/3000)
0 is FAT and 1 is SLIM
Fix buffer queue.
Use HLE_NOT_IN_INTERRUPT for sceKernelGetThreadId()
Merge pull request #5097 from shenweip/patch-19

Fix buffer queue again.
Merge pull request #5094 from raven02/patch-24

UI: Toggle to select PSP models (1000, 2000/3000)
Merge pull request #5096 from raven02/patch-25

Use HLE_NOT_IN_INTERRUPT for sceKernelGetThreadId()
Merge remote-tracking branch 'upstream/master' into fps2