On 10/18/19 8:03 AM, Benjamin Gaignard wrote: > Le ven. 18 oct. 2019 à 13:21, Brian Starkey <Brian.Starkey@xxxxxxx> a écrit : >> >> On Fri, Oct 18, 2019 at 05:23:22AM +0000, John Stultz wrote: >>> This adds a CMA heap, which allows userspace to allocate >>> a dma-buf of contiguous memory out of a CMA region. >>> >>> This code is an evolution of the Android ION implementation, so >>> thanks to its original author and maintainters: >>> Benjamin Gaignard, Laura Abbott, and others! >>> >>> NOTE: This patch only adds the default CMA heap. We will enable >>> selectively adding other CMA memory regions to the dmabuf heaps >>> interface with a later patch (which requires a dt binding) > > Maybe we can use "no-map" DT property to trigger that. If set do not expose the > cma heap. "no-map" means it can't be used as a regular CMA either, we want some way to both have it as a device usable CMA but also not be exposed to userspace if needed. Andrew > > Benjamin >> >> That'll teach me for reading my email in FIFO order. >> >> This approach makes sense to me. >> >> -Brian >> _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
