lkml.org 
[lkml]   [2020]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 4/6] arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling
Date
This patch adds the interconnects property for the gpu node and the
opp-peak-kBps property to the opps of the gpu opp table. This should
help enable DDR bandwidth scaling dynamically and proportionally to the
GPU frequency.

Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 11fc3f24..6ea6f54 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -3240,6 +3240,8 @@

qcom,gmu = <&gmu>;

+ interconnects = <&mem_noc MASTER_GFX3D &mem_noc SLAVE_EBI1>;
+
zap_shader: zap-shader {
memory-region = <&gpu_mem>;
};
@@ -3250,36 +3252,43 @@
opp-710000000 {
opp-hz = /bits/ 64 <710000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO_L1>;
+ opp-peak-kBps = <7216000>;
};

opp-675000000 {
opp-hz = /bits/ 64 <675000000>;
opp-level = <RPMH_REGULATOR_LEVEL_TURBO>;
+ opp-peak-kBps = <7216000>;
};

opp-596000000 {
opp-hz = /bits/ 64 <596000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
+ opp-peak-kBps = <6220000>;
};

opp-520000000 {
opp-hz = /bits/ 64 <520000000>;
opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
+ opp-peak-kBps = <6220000>;
};

opp-414000000 {
opp-hz = /bits/ 64 <414000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+ opp-peak-kBps = <4068000>;
};

opp-342000000 {
opp-hz = /bits/ 64 <342000000>;
opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+ opp-peak-kBps = <2724000>;
};

opp-257000000 {
opp-hz = /bits/ 64 <257000000>;
opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+ opp-peak-kBps = <1648000>;
};
};
};
--
2.7.4
\
 
 \ /
  Last update: 2020-06-06 06:27    [W:0.081 / U:0.296 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site