On Sat, Jan 2, 2016 at 11:23 PM, Ran Shalit <ranshalit@xxxxxxxxx> wrote: > 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 ? > Hi, just to make the above question simpler: from a v4l2 driver perspective, when need large contigious dma allocations are required, what should matter, and do we need to use CMA and how ? Thank you for the time, 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