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Rockchip: RK3328: Disable 500 MHz GPU OPP

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This commit is contained in:
Alex Bee 2021-10-11 15:03:41 +02:00
parent b96cfe165b
commit 6c9d0093d0
1 changed files with 8 additions and 6 deletions
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14
projects/Rockchip/patches/linux/default/linux-1002-for-libreelec.patch
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@ -6,12 +6,13 @@ Subject: [PATCH] arm64: dts: rockchip: add gpu powerdomain, gpu opp-table and
Note: since the regulator that supplies the GPU usually also supplies
other SoC components, we have to make sure voltage is never lower then
1075 mV.
1050 mV - also disable 500 MHz for now, since it will crash if rkvdec
is running at the same time (voltage to high)
Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 33 ++++++++++++++++++++++++
1 file changed, 33 insertions(+)
1 file changed, 34 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index ee539487dfc7..da54409aa50c 100644
@ -40,7 +41,7 @@ index ee539487dfc7..da54409aa50c 100644
};
};
@@ -627,7 +636,31 @@ gpu: gpu@ff300000 {
@@ -627,7 +636,32 @@ gpu: gpu@ff300000 {
"ppmmu1";
clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
clock-names = "bus", "core";
@ -55,19 +56,20 @@ index ee539487dfc7..da54409aa50c 100644
+
+ opp-200000000 {
+ opp-hz = /bits/ 64 <200000000>;
+ opp-microvolt = <1075000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-300000000 {
+ opp-hz = /bits/ 64 <300000000>;
+ opp-microvolt = <1075000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-400000000 {
+ opp-hz = /bits/ 64 <400000000>;
+ opp-microvolt = <1075000>;
+ opp-microvolt = <1050000>;
+ };
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ opp-microvolt = <1150000>;
+ status = "disabled";
+ };
};