linux-kernel - Re: [PATCH v3] arm64: dts: sdm845: add video nodes

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Date:   Fri, 25 Jan 2019 19:10:57 +0900
From:   Alexandre Courbot <acourbot@...omium.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:     Malathi Gottam <mgottam@...eaurora.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org,
        Vikash Garodia <vgarodia@...eaurora.org>
Subject: Re: [PATCH v3] arm64: dts: sdm845: add video nodes

On Fri, Jan 25, 2019 at 5:32 PM Stanimir Varbanov
<stanimir.varbanov@...aro.org> wrote:
>
> Hi Alex,
>
> On 1/25/19 9:46 AM, Alexandre Courbot wrote:
> > On Thu, Jan 17, 2019 at 8:58 PM Stanimir Varbanov
> > <stanimir.varbanov@...aro.org> wrote:
> >>
> >> Hi Malathi,
> >>
> >> On 12/20/18 9:47 AM, Malathi Gottam wrote:
> >>> This adds video nodes to sdm845 based on the examples
> >>> in the bindings.
> >>>
> >>> Signed-off-by: Malathi Gottam <mgottam@...eaurora.org>
> >>> ---
> >>>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 35 +++++++++++++++++++++++++++++++++++
> >>>  1 file changed, 35 insertions(+)
> >>
> >> Looks good to me:
> >>
> >> Reviewed-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> >>
> >>>
> >>> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> >>> index b72bdb0..ccd2b10 100644
> >>> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> >>> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> >>> @@ -87,6 +87,11 @@
> >>>                       reg = <0 0x86200000 0 0x2d00000>;
> >>>                       no-map;
> >>>               };
> >>> +
> >>> +             venus_region: memory@...00000 {
> >>> +                     reg = <0x0 0x95800000 0x0 0x500000>;
> >>> +                     no-map;
> >>> +             };
> >>>       };
> >>>
> >>>       cpus {
> >>> @@ -1403,5 +1408,35 @@
> >>>                               status = "disabled";
> >>>                       };
> >>>               };
> >>> +
> >>> +             video-codec@...0000 {
> >>> +                     compatible = "qcom,sdm845-venus";
> >>> +                     reg = <0x0aa00000 0xff000>;
> >>> +                     interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> >>> +                     power-domains = <&videocc VENUS_GDSC>;
> >>> +                     clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
> >>> +                              <&videocc VIDEO_CC_VENUS_AHB_CLK>,
> >>> +                              <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>;
> >>> +                     clock-names = "core", "iface", "bus";
> >>> +                     iommus = <&apps_smmu 0x10a0 0x8>,
> >>> +                              <&apps_smmu 0x10b0 0x0>;
> >>> +                     memory-region = <&venus_region>;
> >>> +
> >>> +                     video-core0 {
> >>> +                             compatible = "venus-decoder";
> >>> +                             clocks = <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
> >>> +                                      <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
> >>> +                             clock-names = "core", "bus";
> >>> +                             power-domains = <&videocc VCODEC0_GDSC>;
> >>> +                     };
> >>> +
> >>> +                     video-core1 {
> >>> +                             compatible = "venus-encoder";
> >>> +                             clocks = <&videocc VIDEO_CC_VCODEC1_CORE_CLK>,
> >>> +                                      <&videocc VIDEO_CC_VCODEC1_AXI_CLK>;
> >>> +                             clock-names = "core", "bus";
> >>> +                             power-domains = <&videocc VCODEC1_GDSC>;
> >>> +                     };
> >>> +             };
> >
> > This patch lacks the video-firmware node, it should at the very least
> > be added before this gets merged.
>
> The firmware node should be added in board dts file, the for example
> sdm845-mtp will not populate firmware node because it uses TZ for
> firmware loading.

Ah, that's a good point. In that case the previous patch was alright,
sorry Malathi!