Re: [PATCH v3 6/8] arm64: dts: qcom: sdm630: use defined symbols for interconnects

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On Sat, 14 May 2022 at 12:45, Marijn Suijten
<marijn.suijten@xxxxxxxxxxxxxx> wrote:
>
> On 2022-05-14 02:45:16, Dmitry Baryshkov wrote:
> > Replace numeric values with the symbolic names defined in the bindings
> > header.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> Seems there is one off-by-one copy-paste error.  With that addressed:
>
> Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
>
> > ---
> >  arch/arm64/boot/dts/qcom/sdm630.dtsi | 23 ++++++++++++-----------
> >  1 file changed, 12 insertions(+), 11 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> > index 17a1877587cf..01a1a1703568 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> > @@ -8,6 +8,7 @@
> >  #include <dt-bindings/clock/qcom,gpucc-sdm660.h>
> >  #include <dt-bindings/clock/qcom,mmcc-sdm660.h>
> >  #include <dt-bindings/clock/qcom,rpmcc.h>
> > +#include <dt-bindings/interconnect/qcom,sdm660.h>
> >  #include <dt-bindings/power/qcom-rpmpd.h>
> >  #include <dt-bindings/gpio/gpio.h>
> >  #include <dt-bindings/interrupt-controller/arm-gic.h>
> > @@ -1045,7 +1046,7 @@ adreno_gpu: gpu@5000000 {
> >                       nvmem-cells = <&gpu_speed_bin>;
> >                       nvmem-cell-names = "speed_bin";
> >
> > -                     interconnects = <&gnoc 1 &bimc 5>;
> > +                     interconnects = <&gnoc MASTER_APSS_PROC &bimc SLAVE_EBI>;
>
> From qcom,sdm660.h:
>
>     /* GNOC */
>     #define MASTER_APSS_PROC            0
>     #define SLAVE_GNOC_BIMC                     1
>     #define SLAVE_GNOC_SNOC                     2
>
> Seems like the left side should be SLAVE_GNOC_BIMC?  Unless this
> semantic change is intended, in which case it should be clearly
> documented in its own commit with a Fixes tag.

I don't think there can be a slave on the left side of the ICC path.
But nice catch anyway. Downstream uses MSM_BUS_MASTER_GRAPHICS_3D
here, which corresponds to <&bimc MASTER_OXILI>.
Could you please double check this?

>
> The rest looks correct.
>
> - Marijn
>
> >                       interconnect-names = "gfx-mem";
> >
> >                       operating-points-v2 = <&gpu_sdm630_opp_table>;
> > @@ -1299,8 +1300,8 @@ sdhc_2: sdhci@c084000 {
> >                                       <&xo_board>;
> >                       clock-names = "core", "iface", "xo";
> >
> > -                     interconnects = <&a2noc 3 &a2noc 10>,
> > -                                     <&gnoc 0 &cnoc 28>;
> > +                     interconnects = <&a2noc MASTER_SDCC_2 &a2noc SLAVE_A2NOC_SNOC>,
> > +                                     <&gnoc MASTER_APSS_PROC &cnoc SLAVE_SDCC_2>;
> >                       operating-points-v2 = <&sdhc2_opp_table>;
> >
> >                       pinctrl-names = "default", "sleep";
> > @@ -1351,8 +1352,8 @@ sdhc_1: sdhci@c0c4000 {
> >                                <&gcc GCC_SDCC1_ICE_CORE_CLK>;
> >                       clock-names = "core", "iface", "xo", "ice";
> >
> > -                     interconnects = <&a2noc 2 &a2noc 10>,
> > -                                     <&gnoc 0 &cnoc 27>;
> > +                     interconnects = <&a2noc MASTER_SDCC_1 &a2noc SLAVE_A2NOC_SNOC>,
> > +                                     <&gnoc MASTER_APSS_PROC &cnoc SLAVE_SDCC_1>;
> >                       interconnect-names = "sdhc1-ddr", "cpu-sdhc1";
> >                       operating-points-v2 = <&sdhc1_opp_table>;
> >                       pinctrl-names = "default", "sleep";
> > @@ -1525,9 +1526,9 @@ mdp: mdp@c901000 {
> >                                             "core",
> >                                             "vsync";
> >
> > -                             interconnects = <&mnoc 2 &bimc 5>,
> > -                                             <&mnoc 3 &bimc 5>,
> > -                                             <&gnoc 0 &mnoc 17>;
> > +                             interconnects = <&mnoc MASTER_MDP_P0 &bimc SLAVE_EBI>,
> > +                                             <&mnoc MASTER_MDP_P1 &bimc SLAVE_EBI>,
> > +                                             <&gnoc MASTER_APSS_PROC &mnoc SLAVE_DISPLAY_CFG>;
> >                               interconnect-names = "mdp0-mem",
> >                                                    "mdp1-mem",
> >                                                    "rotator-mem";
> > @@ -2034,7 +2035,7 @@ camss: camss@ca00000 {
> >                               "cphy_csid1",
> >                               "cphy_csid2",
> >                               "cphy_csid3";
> > -                     interconnects = <&mnoc 5 &bimc 5>;
> > +                     interconnects = <&mnoc MASTER_VFE &bimc SLAVE_EBI>;
> >                       interconnect-names = "vfe-mem";
> >                       iommus = <&mmss_smmu 0xc00>,
> >                                <&mmss_smmu 0xc01>,
> > @@ -2097,8 +2098,8 @@ venus: video-codec@cc00000 {
> >                                <&mmcc VIDEO_AXI_CLK>,
> >                                <&mmcc THROTTLE_VIDEO_AXI_CLK>;
> >                       clock-names = "core", "iface", "bus", "bus_throttle";
> > -                     interconnects = <&gnoc 0 &mnoc 13>,
> > -                                     <&mnoc 4 &bimc 5>;
> > +                     interconnects = <&gnoc MASTER_APSS_PROC &mnoc SLAVE_VENUS_CFG>,
> > +                                     <&mnoc MASTER_VENUS &bimc SLAVE_EBI>;
> >                       interconnect-names = "cpu-cfg", "video-mem";
> >                       interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
> >                       iommus = <&mmss_smmu 0x400>,
> > --
> > 2.35.1
> >



-- 
With best wishes
Dmitry



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