[PATCH 3/7] arm64: dts: qcom: sc8180x: create common zap-shader node

From: Dmitry Baryshkov

Date: Tue Oct 28 2025 - 17:00:11 EST


In order to reduce duplication, move common GPU memory configuration
from individual board files to sc8180x.dtsi.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts | 6 ------
arch/arm64/boot/dts/qcom/sc8180x-primus.dts | 3 ++-
arch/arm64/boot/dts/qcom/sc8180x.dtsi | 9 +++++++++
3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts b/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
index 08d0784d0cbb899b021198bd85e26f1a93861713..625a155a584ae4ca14c6f373ef21b773ea7311cb 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
+++ b/arch/arm64/boot/dts/qcom/sc8180x-lenovo-flex-5g.dts
@@ -151,11 +151,6 @@ adsp_mem: adsp-region@90800000 {
no-map;
};

- gpu_mem: gpu-region@98715000 {
- reg = <0x0 0x98715000 0x0 0x2000>;
- no-map;
- };
-
cdsp_mem: cdsp-region@98900000 {
reg = <0x0 0x98900000 0x0 0x1400000>;
no-map;
@@ -357,7 +352,6 @@ &gpu {
status = "okay";

zap-shader {
- memory-region = <&gpu_mem>;
firmware-name = "qcom/sc8180x/LENOVO/82AK/qcdxkmsuc8180.mbn";
};
};
diff --git a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
index 93de9fe918ebdadf239832db647b84ac9d5a33f6..069953dcad378448800d45e14931efe1fe1a69fc 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
+++ b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
@@ -14,6 +14,8 @@
#include "sc8180x.dtsi"
#include "sc8180x-pmics.dtsi"

+/delete-node/ &gpu_mem;
+
/ {
model = "Qualcomm SC8180x Primus";
compatible = "qcom,sc8180x-primus", "qcom,sc8180x";
@@ -444,7 +446,6 @@ &gpu {
status = "okay";

zap-shader {
- memory-region = <&gpu_mem>;
firmware-name = "qcom/sc8180x/qcdxkmsuc8180.mbn";
};
};
diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
index e3143a4a41c948cf4ddbf4b137a1323366566fdc..42ab76d52ae21c39d5855e20e11f9cb2319f3afa 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -646,6 +646,11 @@ reserved@89b00000 {
no-map;
};

+ gpu_mem: memory@98715000 {
+ reg = <0x0 0x98715000 0x0 0x2000>;
+ no-map;
+ };
+
reserved@9d400000 {
reg = <0x0 0x9d400000 0x0 0x1000000>;
no-map;
@@ -2274,6 +2279,10 @@ gpu: gpu@2c00000 {

status = "disabled";

+ zap-shader {
+ memory-region = <&gpu_mem>;
+ };
+
gpu_opp_table: opp-table {
compatible = "operating-points-v2";


--
2.47.3