linux-kernel - Re: [PATCH 3/3] arm64: dts: sc7180: Add OPP tables and power-domains for venus

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Message-ID: <069bb34a-a637-6408-f067-43ff418b4776@codeaurora.org>
Date:   Thu, 16 Jul 2020 08:38:54 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     stanimir.varbanov@...aro.org, agross@...nel.org,
        bjorn.andersson@...aro.org, linux-media@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: sc7180: Add OPP tables and power-domains
 for venus


On 7/14/2020 6:06 AM, Matthias Kaehlcke wrote:
> On Thu, Jul 02, 2020 at 02:26:14PM +0530, Rajendra Nayak wrote:
>>
>> On 7/1/2020 10:24 PM, Matthias Kaehlcke wrote:
>>> On Wed, Jul 01, 2020 at 05:10:38PM +0530, Rajendra Nayak wrote:
>>>> Add the OPP tables in order to be able to vote on the performance state
>>>> of a power-domain
>>>>
>>>> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
>>>> ---
>>>>    arch/arm64/boot/dts/qcom/sc7180.dtsi | 35 +++++++++++++++++++++++++++++++++--
>>>>    1 file changed, 33 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>>> index ad57df2..738a741 100644
>>>> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>>> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
>>>> @@ -2392,8 +2392,10 @@
>>>>    			reg = <0 0x0aa00000 0 0xff000>;
>>>>    			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
>>>>    			power-domains = <&videocc VENUS_GDSC>,
>>>> -					<&videocc VCODEC0_GDSC>;
>>>> -			power-domain-names = "venus", "vcodec0";
>>>> +					<&videocc VCODEC0_GDSC>,
>>>> +					<&rpmhpd SC7180_CX>;
>>>> +			power-domain-names = "venus", "vcodec0", "opp-pd";
>>>> +			operating-points-v2 = <&venus_opp_table>;
>>>>    			clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
>>>>    				 <&videocc VIDEO_CC_VENUS_AHB_CLK>,
>>>>    				 <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
>>>> @@ -2414,6 +2416,35 @@
>>>>    			video-encoder {
>>>>    				compatible = "venus-encoder";
>>>>    			};
>>>> +
>>>> +			venus_opp_table: venus-opp-table {
>>>> +				compatible = "operating-points-v2";
>>>> +
>>>> +				opp-200000000 {
>>>> +					opp-hz = /bits/ 64 <150000000>;
>>>> +					required-opps = <&rpmhpd_opp_low_svs>;
>>>> +				};
>>>> +
>>>> +				opp-320000000 {
>>>> +					opp-hz = /bits/ 64 <270000000>;
>>>> +					required-opps = <&rpmhpd_opp_svs>;
>>>> +				};
>>>> +
>>>> +				opp-380000000 {
>>>> +					opp-hz = /bits/ 64 <340000000>;
>>>> +					required-opps = <&rpmhpd_opp_svs_l1>;
>>>> +				};
>>>> +
>>>> +				opp-444000000 {
>>>> +					opp-hz = /bits/ 64 <434000000>;
>>>> +					required-opps = <&rpmhpd_opp_nom>;
>>>> +				};
>>>> +
>>>> +				opp-533000000 {
>>>> +					opp-hz = /bits/ 64 <500000000>;
>>>> +					required-opps = <&rpmhpd_opp_turbo>;
>>>> +				};
>>>
>>> the labels of the OPP nodes don't match the specified frequencies
>>
>> Oops, I'll fix and respin.
> 
> ping, it seems the respin is still pending

I was waiting on Rob to first ack the bindings update patch [1] before I respin
these, however I have not seen a response from Rob on the bindings patch yet,
despite a couple pings. So I'll respin this series anyway.

[1] https://lore.kernel.org/patchwork/patch/1241077/

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