From: Jordan Crouse <jcrouse@codeaurora.org>
Date: Tue, 12 Mar 2019 18:13:42 +0000 (-0600)
Subject: arm64: dts: sdm845: Add zap shader region for GPU
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3fdeaee951aa908963f371ba15c49e04f7d970be;p=openwrt%2Fstaging%2Fblogic.git

arm64: dts: sdm845: Add zap shader region for GPU

Some Adreno GPU targets require a special zap shader to bring the GPU
out of secure mode. Define a region to allocate and store the zap
shader.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
[bjorn: Rebase ontop of recent reserved-memory patch]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Signed-off-by: Andy Gross <agross@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 61aba36dc61e..4554c3cbaa62 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2124,6 +2124,10 @@
 
 			qcom,gmu = <&gmu>;
 
+			zap-shader {
+				memory-region = <&gpu_mem>;
+			};
+
 			gpu_opp_table: opp-table {
 				compatible = "operating-points-v2";