We've had an ongoing discussion on the meta-freescale list about how to test the Pixel Pipeline (PXP) device.
In short, it appears that the unit_test program for the PXP is broken and not well documented, though the
gstreamer-1.0 pxp elements are partially functional.
Carlos used the gstreamer elements to perform a very thorough test of all pixel formats that are advertised by the driver:
It appears that support for many are broken.
Please join the conversation if you have knowledge in this area.