This patch adds a linux,cma-heap property for CMA reserved memory regions, which will be used to allow the region to be exposed via the DMA-BUF Heaps interface
Cc: Rob Herring <robh...@kernel.org> Cc: Sumit Semwal <sumit.sem...@linaro.org> Cc: "Andrew F. Davis" <a...@ti.com> Cc: Benjamin Gaignard <benjamin.gaign...@linaro.org> Cc: Liam Mark <lm...@codeaurora.org> Cc: Pratik Patel <prat...@codeaurora.org> Cc: Laura Abbott <labb...@redhat.com> Cc: Brian Starkey <brian.star...@arm.com> Cc: Chenbo Feng <fe...@google.com> Cc: Alistair Strachan <astrac...@google.com> Cc: Sandeep Patil <sspa...@google.com> Cc: Hridya Valsaraju <hri...@google.com> Cc: Christoph Hellwig <h...@lst.de> Cc: Marek Szyprowski <m.szyprow...@samsung.com> Cc: Robin Murphy <robin.mur...@arm.com> Cc: Andrew Morton <a...@linux-foundation.org> Cc: devicet...@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linux...@kvack.org Signed-off-by: John Stultz <john.stu...@linaro.org> --- .../devicetree/bindings/reserved-memory/reserved-memory.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt index bac4afa3b197..e97b6a4c3bc0 100644 --- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt +++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt @@ -68,6 +68,9 @@ Linux implementation note: - If a "linux,cma-default" property is present, then Linux will use the region for the default pool of the contiguous memory allocator. +- If a "linux,cma-heap" property is present, then Linux will expose the + the CMA region via the DMA-BUF Heaps interface. + - If a "linux,dma-default" property is present, then Linux will use the region for the default pool of the consistent DMA allocator. -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
