| Message ID | 1470279438-60372-1-git-send-email-bibby.hsieh@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Matthias, (Trying again to send plain text email)... On Thu, Aug 4, 2016 at 10:57 AM, Bibby Hsieh <bibby.hsieh@mediatek.com> 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@mediatek.com> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org> 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 >
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@mediatek.com> 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@mediatek.com> > > Reviewed-by: Daniel Kurtz <djkurtz@chromium.org> > 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 >>
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>; };
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@mediatek.com> --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 ++ 1 file changed, 2 insertions(+)