| Message ID | 20191025225009.50305-4-john.stultz@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Support non-default CMA regions to the dmabuf heaps interface | expand |
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts index 190ac29b9e2f..783c5b2abd2d 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts +++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts @@ -75,12 +75,23 @@ }; /* global autoconfigured region for contiguous allocations */ - linux,cma { + cma_default: linux,cma { compatible = "shared-dma-pool"; reg = <0x0 0x20C00000 0x0 0x4000000>; reusable; linux,cma-default; }; + + cma_camera: cma-camera { + compatible = "shared-dma-pool"; + reg = <0x0 0x24C00000 0x0 0x4000000>; + reusable; + }; + }; + + cma_heap { + compatible = "dmabuf-heap-cma"; + memory-region = <&cma_camera>; }; reboot-mode-syscon@32100000 {
Adds example test entry to create and expose a camera cma region via the dmabuf heaps interface This isn't a patch I'm submitting to merge, but just an example of how this functionality can be used, which I've used for testing. Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Laura Abbott <labbott@redhat.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Liam Mark <lmark@codeaurora.org> Cc: Pratik Patel <pratikp@codeaurora.org> Cc: Brian Starkey <Brian.Starkey@arm.com> Cc: Andrew F. Davis <afd@ti.com> Cc: Chenbo Feng <fengc@google.com> Cc: Alistair Strachan <astrachan@google.com> Cc: Sandeep Patil <sspatil@google.com> Cc: Hridya Valsaraju <hridya@google.com> Cc: devicetree@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: John Stultz <john.stultz@linaro.org> --- arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) -- 2.17.1