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Commit a448db18 authored by Deepak Kumar's avatar Deepak Kumar
Browse files

ARM: dts: msm: Add support for GPU AB vote on SDM845 



Add qcom,bus-width property required to support AB
bus voting for GPU on SDM845 and also correct the
IB vote table to reduce the vote to half because
SDM845 DDR configuration is 4x16 channel.

Change-Id: I893404ff1c469675963e43d03b3535e748c23851
Signed-off-by: default avatarDeepak Kumar <dkumar@codeaurora.org>
parent 89d42a92

arch/arm64/boot/dts/qcom/sdm845-gpu.dtsi

+13 −18
Original line number Diff line number Diff line
@@ -27,26 +27,20 @@ 
		compatible = "qcom,devbw";

		governor = "bw_vbif";

		qcom,src-dst-ports = <26 512>;

		/*

		 * active-only flag is used while registering the bus

		 * governor.It helps release the bus vote when the CPU

		 * subsystem is inactiv3

		 */

		qcom,active-only;

		qcom,bw-tbl =

			<     0 /*  off     */ >,

			<   762 /*  100 MHz */ >,

			<  1144 /*  150 MHz */ >,

			<  1525 /*  200 MHz */ >,

			<  2288 /*  300 MHz */ >,

			<  3143 /*  412 MHz */ >,

			<  4173 /*  547 MHz */ >,

			<  5195 /*  681 MHz */ >,

			<  5859 /*  768 MHz */ >,

			<  7759 /*  1017 MHz */ >,

			<  9887 /*  1296 MHz */ >,

			<  11863 /*  1555 MHz */ >,

			<  13763 /*  1804 MHz */ >;

			<   381 /*  100 MHz */ >,

			<   572 /*  150 MHz */ >,

			<   762 /*  200 MHz */ >,

			<  1144 /*  300 MHz */ >,

			<  1571 /*  412 MHz */ >,

			<  2086 /*  547 MHz */ >,

			<  2597 /*  681 MHz */ >,

			<  2929 /*  768 MHz */ >,

			<  3879 /*  1017 MHz */ >,

			<  4943 /*  1296 MHz */ >,

			<  5931 /*  1555 MHz */ >,

			<  6881 /*  1804 MHz */ >;

	};



	msm_gpu: qcom,kgsl-3d0@5000000 {
@@ -99,6 +93,7 @@ 
		qcom,gpubw-dev = <&gpubw>;

		qcom,bus-control;

		qcom,msm-bus,name = "grp3d";

		qcom,bus-width = <32>;

		qcom,msm-bus,num-cases = <13>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps =