Hello, I made some reading on CMA usage with device driver, nut not quite sure yet. Do we need to call dma_declare_contiguous or does it get called from within videobuf2 ? Is there any example how to use CMA memory in v4l2 driver ? Best Regards, Ran -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html