[RESEND v7, PATCH 1/7] dt-bindings: mediatek: add rdma_fifo_size description for mt8183 display

Chun-Kuang Hu chunkuang.hu at kernel.org
Sun Aug 9 01:08:44 UTC 2020


Hi, Yongqiang:

Chun-Kuang Hu <chunkuang.hu at kernel.org> 於 2020年8月9日 週日 上午8:56寫道:
>
> Hi, Yongqiang:
>
> Yongqiang Niu <yongqiang.niu at mediatek.com> 於 2020年8月8日 週六 上午11:04寫道:
> >
> > rdma fifo size may be different even in same SOC, add this
> > property to the corresponding rdma
> >
> > Change-Id: I67635ec7f3f59cf4cbc7737285e5e28ff0ab71c9
>
> Remove change-id.
>
> > Signed-off-by: Yongqiang Niu <yongqiang.niu at mediatek.com>
> > ---
> >  .../devicetree/bindings/display/mediatek/mediatek,disp.txt | 14 ++++++++++++++
> >  1 file changed, 14 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > index b91e709..e6bbe32 100644
> > --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> > @@ -66,6 +66,11 @@ Required properties (DMA function blocks):
> >    argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
> >    for details.
> >
> > +Optional properties (RDMA function blocks):
> > +- mediatek,rdma_fifo_size: rdma fifo size may be different even in same SOC, add this
> > +  property to the corresponding rdma
> > +  the value is the Max value which defined in hardware data sheet.
> > +
> >  Examples:
> >
> >  mmsys: clock-controller at 14000000 {
> > @@ -207,3 +212,12 @@ od at 14023000 {
> >         power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> >         clocks = <&mmsys CLK_MM_DISP_OD>;
> >  };
> > +
> > +rdma1: rdma at 1400c000 {
> > +       compatible = "mediatek,mt8183-disp-rdma";
> > +       reg = <0 0x1400c000 0 0x1000>;
> > +       interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
> > +       power-domains = <&scpsys MT8183_POWER_DOMAIN_DISP>;
> > +       clocks = <&mmsys CLK_MM_DISP_RDMA1>;
> > +       mediatek,rdma_fifo_size = <2048>;
> > +};
>
> I would like you to show rdma0 as well so that could prove two rdma
> have different fifo size in the same SoC.

Sorry, rdma0 is already define in this file. Just ignore this comment.

Regards,
Chun-Kuang.

>
> Regards,
> Chun-Kuang.
>
> > --
> > 1.8.1.1.dirty
> > _______________________________________________
> > Linux-mediatek mailing list
> > Linux-mediatek at lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-mediatek


More information about the dri-devel mailing list