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dts: update gpu freq tbl for buildroot [1/1]

Browse Source 
PD#SWPL-4253

Problem:
Compared with P212, GPU on g12a can not work with high frequency
when running some cases like particle;

Solution:
update gpu freq tbl for buildroot

Verify:
build pass
GPU on g12a can work with high freq when running particle

Change-Id: Ie10335d1f3a043d4418245d31efa8b42077031a9
Signed-off-by: binqi.zhang <binqi.zhang@amlogic.com>
This commit is contained in:
binqi.zhang
2019-04-17 03:24:30 -04:00
committed by Tao Zeng
parent d823215a3e
commit e214b9ec15
5 changed files with 25 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts
View File

@@ -19,6 +19,7 @@
#include "mesong12a.dtsi"
#include "mesong12a_skt-panel.dtsi"
#include "mesong12a_drm.dtsi"
/ {
model = "Amlogic";

2
arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot_vccktest.dts
View File

@@ -19,7 +19,7 @@
#include "mesong12a.dtsi"
#include "mesong12a_skt-panel.dtsi"
#include "mesong12a_drm.dtsi"
/ {
model = "Amlogic";
compatible = "amlogic, g12a";

1
arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
View File

@@ -18,6 +18,7 @@
/dts-v1/;
#include "mesong12a.dtsi"
#include "mesong12a_drm.dtsi"
/ {
model = "Amlogic";

1
arch/arm64/boot/dts/amlogic/g12a_s905x2_u212_buildroot.dts
View File

@@ -18,6 +18,7 @@
/dts-v1/;
#include "mesong12a.dtsi"
#include "mesong12a_drm.dtsi"
/ {
model = "Amlogic";

21
arch/arm64/boot/dts/amlogic/mesong12a_drm.dtsi
View File

@@ -107,3 +107,24 @@
};
};
&gpu{
/*gpu max freq is 850M*/
def_clk = <1>;
tbl = <&dvfs285_cfg &dvfs666_cfg &dvfs850_cfg &dvfs850_cfg>;
dvfs285_cfg:dvfs285_cfg {
keep_count = <2>;
threshold = <100 200>;
};
dvfs666_cfg:dvfs666_cfg {
keep_count = <1>;
threshold = <85 200>;
};
dvfs850_cfg:dvfs850_cfg {
keep_count = <1>;
threshold = <179 255>;
};
};