Re: [PATCH] arm64: dts: allwinner: Add GPU operating points for H6
From: ClÃment PÃron
Date: Wed May 29 2019 - 11:41:09 EST
Hi Tomeu,
On Wed, 29 May 2019 at 17:33, Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx> wrote:
>
> The GPU driver needs them to change the clock frequency and regulator
> voltage depending on the load.
As requested by Maxime, I have dropped these OPP table as It's taken
from vendor and untested with Panfrost.
https://lore.kernel.org/patchwork/patch/1060374/
Regards,
ClÃment
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
> Cc: ClÃment PÃron <peron.clem@xxxxxxxxx>
>
> ---
>
> Feel free to pick up this patch if you are going to keep pushing this
> series forward.
>
> Thanks,
>
> Tomeu
> ---
> arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 66 ++++++++++++++++++++
> 1 file changed, 66 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> index 6aad06095c40..decf7b56e2df 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -157,6 +157,71 @@
> allwinner,sram = <&ve_sram 1>;
> };
>
> + gpu_opp_table: opp-table2 {
> + compatible = "operating-points-v2";
> +
> + opp00 {
> + opp-hz = /bits/ 64 <756000000>;
> + opp-microvolt = <1040000>;
> + };
> + opp01 {
> + opp-hz = /bits/ 64 <624000000>;
> + opp-microvolt = <950000>;
> + };
> + opp02 {
> + opp-hz = /bits/ 64 <576000000>;
> + opp-microvolt = <930000>;
> + };
> + opp03 {
> + opp-hz = /bits/ 64 <540000000>;
> + opp-microvolt = <910000>;
> + };
> + opp04 {
> + opp-hz = /bits/ 64 <504000000>;
> + opp-microvolt = <890000>;
> + };
> + opp05 {
> + opp-hz = /bits/ 64 <456000000>;
> + opp-microvolt = <870000>;
> + };
> + opp06 {
> + opp-hz = /bits/ 64 <432000000>;
> + opp-microvolt = <860000>;
> + };
> + opp07 {
> + opp-hz = /bits/ 64 <420000000>;
> + opp-microvolt = <850000>;
> + };
> + opp08 {
> + opp-hz = /bits/ 64 <408000000>;
> + opp-microvolt = <840000>;
> + };
> + opp09 {
> + opp-hz = /bits/ 64 <384000000>;
> + opp-microvolt = <830000>;
> + };
> + opp10 {
> + opp-hz = /bits/ 64 <360000000>;
> + opp-microvolt = <820000>;
> + };
> + opp11 {
> + opp-hz = /bits/ 64 <336000000>;
> + opp-microvolt = <810000>;
> + };
> + opp12 {
> + opp-hz = /bits/ 64 <312000000>;
> + opp-microvolt = <810000>;
> + };
> + opp13 {
> + opp-hz = /bits/ 64 <264000000>;
> + opp-microvolt = <810000>;
> + };
> + opp14 {
> + opp-hz = /bits/ 64 <216000000>;
> + opp-microvolt = <810000>;
> + };
> + };
> +
> gpu: gpu@1800000 {
> compatible = "allwinner,sun50i-h6-mali",
> "arm,mali-t720";
> @@ -168,6 +233,7 @@
> clocks = <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>;
> clock-names = "core", "bus";
> resets = <&ccu RST_BUS_GPU>;
> + operating-points-v2 = <&gpu_opp_table>;
> status = "disabled";
> };
>
> --
> 2.20.1
>