On 2022-12-13 01:24:22, Konrad Dybcio wrote:
> SM8150 has (at least) two GPU speed bins. With the support added on the
> driver side, wire up bin detection in the DTS to restrict lower-quality
> SKUs from running at frequencies they were not validated at.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index e160acb47cd9..3f940cc3f32b 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -936,6 +936,17 @@ ethernet: ethernet@20000 {
> status = "disabled";
> };
>
> + qfprom: efuse@784000 {
> + compatible = "qcom,sm8150-qfprom", "qcom,qfprom";
> + reg = <0 0x00784000 0 0x8ff>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + gpu_speed_bin: gpu_speed_bin@133 {
> + reg = <0x133 0x1>;
> + bits = <5 3>;
> + };
> + };
>
> qupv3_id_0: geniqup@8c0000 {
> compatible = "qcom,geni-se-qup";
> @@ -2137,6 +2148,9 @@ gpu: gpu@2c00000 {
>
> qcom,gmu = <&gmu>;
>
> + nvmem-cells = <&gpu_speed_bin>;
> + nvmem-cell-names = "speed_bin";
> +
> status = "disabled";
>
> zap-shader {
> @@ -2150,31 +2164,37 @@ gpu_opp_table: opp-table {
Just like sm8250, you can probably delete the:
/* note: downstream checks gpu binning for 675 Mhz */
comment right above this node.
- Marijn
> opp-675000000 {
> opp-hz = /bits/ 64 <675000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
> + opp-supported-hw = <0x2>;
> };
>
> opp-585000000 {
> opp-hz = /bits/ 64 <585000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> + opp-supported-hw = <0x3>;
> };
>
> opp-499200000 {
> opp-hz = /bits/ 64 <499200000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS_L2>;
> + opp-supported-hw = <0x3>;
> };
>
> opp-427000000 {
> opp-hz = /bits/ 64 <427000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
> + opp-supported-hw = <0x3>;
> };
>
> opp-345000000 {
> opp-hz = /bits/ 64 <345000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
> + opp-supported-hw = <0x3>;
> };
>
> opp-257000000 {
> opp-hz = /bits/ 64 <257000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
> + opp-supported-hw = <0x3>;
> };
> };
> };
> --
> 2.39.0
>
