Re: [PATCH v5] arm64: dts: mt8173: add mmsel clocks for 4K support

[Matthias Brugger]

On 12/01/17 05:50, Daniel Kurtz wrote:
> Hi Matthias,
>
> (Trying again to send plain text email)...
>
> On Thu, Aug 4, 2016 at 10:57 AM, Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx> wrote:
> > To support HDMI 4K resolution, mmsys need clcok
> > mm_sel to be 400MHz.
> >
> > The board .dts file should override the clock rate
> > property with the higher VENCPLL frequency the board
> > supports HDMI 4K resolution.
> >
> > Signed-off-by: Bibby Hsieh <bibby.hsieh@xxxxxxxxxxxx>
>
> Reviewed-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>

Applied to v4.10-next/dts
Thanks

> It looks like this patch was lost.  It is actually a prerequisite for
> MTK 4k HDMI support, which already landed in v4.9.
>
> See the email thread entitled:
> [PATCH v5 0/3] MT8173 HDMI 4K support <https://lkml.org/lkml/2016/9/28/893>
>
> Or these three:
>
> 0d2200794f0a drm/mediatek: modify the factor to make the pll_rate set
> in the 1G-2G range
> 968253bd7caa drm/mediatek: enhance the HDMI driving current
> d542b7c473f0 drm/mediatek: do mtk_hdmi_send_infoframe after HDMI clock enable
>
> -Dan
>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8173.dtsi |    2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > index 78529e4..c3f32f3 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > @@ -690,6 +690,8 @@
> >                         compatible = "mediatek,mt8173-mmsys", "syscon";
> >                         reg = <0 0x14000000 0 0x1000>;
> >                         power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> > +                       assigned-clocks = <&topckgen CLK_TOP_MM_SEL>;
> > +                       assigned-clock-rates = <400000000>;
> >                         #clock-cells = <1>;
> >                 };
> >
> > --
> > 1.7.9.5