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Commit 2036e44c authored by Akshay Chandrashekhar Kalghatgi's avatar Akshay Chandrashekhar Kalghatgi
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ARM: dts: msm: Add secure display heap 

Add a secure display heap of size 164 MB for carveout memory
required to support 3 concurrent secure Video sessions.

Change-Id: I5d88df171370e7f3cc9ad723db1d2736e1bf614f
parent 921514b9

qcom/lahaina-ion.dtsi

+6 −0
Original line number Diff line number Diff line
@@ -55,5 +55,11 @@ 
			qcom,ion-heap-type = "DMA";

		};



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

			reg = <ION_SECURE_DISPLAY_HEAP_ID>;

			memory-region = <&secure_display_memory>;

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

		};



	};

};

qcom/lahaina.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -433,6 +433,14 @@ 
			size = <0x0 0x1000000>;

		};



		secure_display_memory: secure_display_region { /* Secure UI */

			compatible = "shared-dma-pool";

			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;

			reusable;

			alignment = <0x0 0x400000>;

			size = <0x0 0xA400000>;

		};



		/* global autoconfigured region for contiguous allocations */

		linux,cma {

			compatible = "shared-dma-pool";