Re: [PATCH v11 2/3] dts: arm64: mt8183: add Mediatek MDP3 nodes

[AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>]

Il 25/01/22 09:20, moudy ho ha scritto:
> On Fri, 2022-01-21 at 12:58 +0100, AngeloGioacchino Del Regno wrote:
> > Il 05/01/22 10:37, Moudy Ho ha scritto:
> > > Add device nodes for Media Data Path 3 (MDP3) modules.
> > >
> > > Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
> > > ---
> > >    arch/arm64/boot/dts/mediatek/mt8183.dtsi | 108
> > > ++++++++++++++++++++++-
> > >    1 file changed, 107 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > > b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > > index ba4584faca5a..b872ef1ff6b3 100644
> > > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> > > @@ -1325,6 +1325,79 @@
> > >    			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX
> > > 0 0x1000>;
> > >    		};
> > >    
> > > +		mdp3_rdma0: mdp3_rdma0@14001000 {
> > > +			compatible = "mediatek,mt8183-mdp3",
> > > +				     "mediatek,mt8183-mdp3-rdma0";
> > > +			mediatek,scp = <&scp>;
> > > +			mediatek,mdp3-comps = "mediatek,mt8183-mdp3-
> > > dl1",
> > > +					      "mediatek,mt8183-mdp3-
> > > dl2",
> > > +					      "mediatek,mt8183-mdp3-
> > > path1",
> > > +					      "mediatek,mt8183-mdp3-
> > > path2",
> > > +					      "mediatek,mt8183-mdp3-
> > > imgi",
> > > +					      "mediatek,mt8183-mdp3-
> > > exto";
> > > +			reg = <0 0x14001000 0 0x1000>,
> > > +			      <0 0x14000000 0 0x1000>,
> > > +			      <0 0x14005000 0 0x1000>,
> > > +			      <0 0x14006000 0 0x1000>,
> > > +			      <0 0x15020000 0 0x1000>;
> > > +			mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX
> > > 0x1000 0x1000>,
> > > +						  <&gce SUBSYS_1400XXXX
> > > 0 0x1000>,
> > > +						  <&gce SUBSYS_1400XXXX
> > > 0x5000 0x1000>,
> > > +						  <&gce SUBSYS_1400XXXX
> > > 0x6000 0x1000>,
> > > +						  <&gce SUBSYS_1502XXXX
> > > 0 0x1000>;
> > > +			power-domains = <&spm
> > > MT8183_POWER_DOMAIN_DISP>;
> > > +			clocks = <&mmsys CLK_MM_MDP_RDMA0>,
> > > +				 <&mmsys CLK_MM_MDP_RSZ1>,
> > > +				 <&mmsys CLK_MM_MDP_DL_TXCK>,
> > > +				 <&mmsys CLK_MM_MDP_DL_RX>,
> > > +				 <&mmsys CLK_MM_IPU_DL_TXCK>,
> > > +				 <&mmsys CLK_MM_IPU_DL_RX>;
> > > +			iommus = <&iommu M4U_PORT_MDP_RDMA0>;
> > > +			mediatek,mmsys = <&mmsys>;
> > > +			mediatek,mm-mutex = <&mutex>;
> > > +			mediatek,mailbox-gce = <&gce>;
> > > +			mboxes = <&gce 20 CMDQ_THR_PRIO_LOWEST 0>,
> > > +				 <&gce 21 CMDQ_THR_PRIO_LOWEST>,
> > > +				 <&gce 22 CMDQ_THR_PRIO_LOWEST>,
> > > +				 <&gce 23 CMDQ_THR_PRIO_LOWEST>;
> >
> > Hello Moudy,
> > the mboxes for gce 21, 22, 23 are missing the third cell. Please fix.
> >
> > Regards,
> > Angelo
>
> Hi Angelo,
> Thanks for the reminder, but I'm a bit confused, the previous
> version(v10) mentioned that the current upstream mbox has only 2
> cells.
> So I should follow this rule to remove the extra 0 in the first item as
> follows:
>   +			mboxes = <&gce 20 CMDQ_THR_PRIO_LOWEST>,
>   +				 <&gce 21 CMDQ_THR_PRIO_LOWEST>,
>   +				 <&gce 22 CMDQ_THR_PRIO_LOWEST>,
>   +				 <&gce 23 CMDQ_THR_PRIO_LOWEST>;
>
> Thanks,
> Moudy Ho

Hello Moudy,
I'm sorry for this confusion and you are totally right in the proposed solution,
which is the exact opposite of what I said.

Thanks for understanding,
Angelo

> > > +			gce-subsys = <&gce 0x14000000 SUBSYS_1400XXXX>,
> > > +				     <&gce 0x14010000 SUBSYS_1401XXXX>,
> > > +				     <&gce 0x14020000 SUBSYS_1402XXXX>,
> > > +				     <&gce 0x15020000 SUBSYS_1502XXXX>;
> > > +		};
> > > +