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Date: Sat, 6 Jun 2020 09:55:51 +0530
From: Sharat Masetty <smasetty@...eaurora.org>
To: freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc: dri-devel@...edesktop.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org, jcrouse@...eaurora.org,
mka@...omium.org, sibis@...eaurora.org, saravanak@...gle.com,
viresh.kumar@...aro.org, robdclark@...il.com,
Sharat Masetty <smasetty@...eaurora.org>
Subject: [PATCH v3 6/6] arm64: dts: qcom: sc7180: Add opp-peak-kBps to GPU opp
Add opp-peak-kBps bindings to the GPU opp table, listing the peak
GPU -> DDR bandwidth requirement for each opp level. This will be
used to scale the DDR bandwidth along with the GPU frequency dynamically.
Signed-off-by: Sharat Masetty <smasetty@...eaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 34004ad..7bef42b 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1505,36 +1505,43 @@
opp-800000000 {
opp-hz = /bits/ 64 <800000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
+ opp-peak-kBps = <8532000>;
};
opp-650000000 {
opp-hz = /bits/ 64 <650000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
+ opp-peak-kBps = <7216000>;
};
opp-565000000 {
opp-hz = /bits/ 64 <565000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
+ opp-peak-kBps = <5412000>;
};
opp-430000000 {
opp-hz = /bits/ 64 <430000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+ opp-peak-kBps = <5412000>;
};
opp-355000000 {
opp-hz = /bits/ 64 <355000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+ opp-peak-kBps = <3072000>;
};
opp-267000000 {
opp-hz = /bits/ 64 <267000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+ opp-peak-kBps = <3072000>;
};
opp-180000000 {
opp-hz = /bits/ 64 <180000000>;
opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+ opp-peak-kBps = <1804000>;
};
};
};
--
2.7.4
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