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 <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Laura Abbott <[email protected]> Cc: Benjamin Gaignard <[email protected]> Cc: Sumit Semwal <[email protected]> Cc: Liam Mark <[email protected]> Cc: Pratik Patel <[email protected]> Cc: Brian Starkey <[email protected]> Cc: Andrew F. Davis <[email protected]> Cc: Chenbo Feng <[email protected]> Cc: Alistair Strachan <[email protected]> Cc: Sandeep Patil <[email protected]> Cc: Hridya Valsaraju <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: John Stultz <[email protected]> --- arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) 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 { -- 2.17.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
