Commit d24b4767 authored Sep 08, 2017 by Patrick Daly

ARM: dts: msm: Implement qsmmuv500 workaround for sdm845



While a tlb flush is in progress, clients may experience suboptimal
performance. To mitigate this, add a minimum delay between tlb
operations for real-time clients. This is implemented using a global
lock between HLOS and other execution enviroments.

Define the real-time clients via a devicetree property.

Change-Id: If0a9e8776bbcfb03379dea3c6ca709a4139d6b24
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent da765c6c

arch/arm64/boot/dts/qcom/msm-arm-smmu-sdm845.dtsi

+3 −0

Original line number	Diff line number	Diff line
		@@ -355,4 +355,7 @@
		<0x1400 0x3ff 0x3>,
		<0x1800 0x3ff 0x3>,
		<0x1c00 0x3ff 0x3>;

		qcom,mmu500-errata-1 = <0x800 0x3ff>,
		<0xc00 0x3ff>;
		};