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Commit d792ad38 authored by Rajeshwar Kurapaty's avatar Rajeshwar Kurapaty
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ARM: dts: msm: Add secure display heap configuration for ATOLL 



Add secure display heap configuration to enable secure memory
allocations for secure display/camera usecases.

Change-Id: I44840ce37db9f616e38b4023f090bf743f91ba67
Signed-off-by: default avatarRajeshwar Kurapaty <rkurapat@codeaurora.org>
parent d0f60d48

arch/arm64/boot/dts/qcom/atoll-ion.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -31,5 +31,11 @@ 
			reg = <9>;

			qcom,ion-heap-type = "SYSTEM_SECURE";

		};



		qcom,ion-heap@10 { /* SECURE DISPLAY HEAP */

			reg = <10>;

			memory-region = <&secure_display_memory>;

			qcom,ion-heap-type = "HYP_CMA";

		};

	};

};

arch/arm64/boot/dts/qcom/atoll.dtsi

+9 −0
Original line number Diff line number Diff line
@@ -557,6 +557,15 @@ 
			no-map;

			reg = <0 0x9f400000 0 0xc00000>;

		};



		secure_display_memory: secure_display_region {

			compatible = "shared-dma-pool";

			alloc-ranges = <0 0x00000000 0 0xffffffff>;

			reusable;

			alignment = <0 0x400000>;

			size = <0 0x8c00000>;

		};



		/* global autoconfigured region for contiguous allocations */

		linux,cma {

			compatible = "shared-dma-pool";