Re: [PATCH v12 4/5] dma-buf: heaps: Add CMA heap to dmabuf heaps
From: Benjamin Gaignard
Date: Fri Oct 18 2019 - 08:04:06 EST
Le ven. 18 oct. 2019 Ã 13:21, Brian Starkey <Brian.Starkey@xxxxxxx> a Ãcrit :
> 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
> That'll teach me for reading my email in FIFO order.
> This approach makes sense to me.