On Tue, Nov 19, 2024 at 06:56:46PM +0100, Neil Armstrong wrote:
> Each GPU OPP requires a specific peak DDR bandwidth, let's add
> those to each OPP and also the related interconnect path.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8650.dtsi | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> index 01ac3769ffa62ffb83c5c51878e2823e1982eb67..331c5140c16bf013190d6da136c0920009d2646b 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
> @@ -2636,6 +2636,9 @@ gpu: gpu@3d00000 {
> qcom,gmu = <&gmu>;
> #cooling-cells = <2>;
>
> + interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
QCOM_ICC_TAG_ALWAYS
> + interconnect-names = "gfx-mem";
> +
> status = "disabled";
>
> zap-shader {
> @@ -2649,56 +2652,67 @@ gpu_opp_table: opp-table {
> opp-231000000 {
> opp-hz = /bits/ 64 <231000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D2>;
> + opp-peak-kBps = <2136718>;
> };
>
> opp-310000000 {
> opp-hz = /bits/ 64 <310000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D1>;
> + opp-peak-kBps = <6074218>;
> };
>
> opp-366000000 {
> opp-hz = /bits/ 64 <366000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_D0>;
> + opp-peak-kBps = <6074218>;
> };
>
> opp-422000000 {
> opp-hz = /bits/ 64 <422000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
> + opp-peak-kBps = <8171875>;
> };
>
> opp-500000000 {
> opp-hz = /bits/ 64 <500000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS_L1>;
> + opp-peak-kBps = <8171875>;
> };
>
> opp-578000000 {
> opp-hz = /bits/ 64 <578000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
> + opp-peak-kBps = <12449218>;
> };
>
> opp-629000000 {
> opp-hz = /bits/ 64 <629000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS_L0>;
> + opp-peak-kBps = <12449218>;
> };
>
> opp-680000000 {
> opp-hz = /bits/ 64 <680000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
> + opp-peak-kBps = <16500000>;
> };
>
> opp-720000000 {
> opp-hz = /bits/ 64 <720000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_SVS_L2>;
> + opp-peak-kBps = <16500000>;
> };
>
> opp-770000000 {
> opp-hz = /bits/ 64 <770000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_NOM>;
> + opp-peak-kBps = <16500000>;
> };
>
> opp-834000000 {
> opp-hz = /bits/ 64 <834000000>;
> opp-level = <RPMH_REGULATOR_LEVEL_NOM_L1>;
> + opp-peak-kBps = <16500000>;
> };
> };
> };
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
